#include "main/arbprogram.h"
#include "main/arrayobj.h"
#include "main/blend.h"
+#include "main/blit.h"
#include "main/bufferobj.h"
#include "main/buffers.h"
+#include "main/clear.h"
#include "main/colortab.h"
#include "main/condrender.h"
#include "main/depth.h"
#include "main/fbobject.h"
#include "main/feedback.h"
#include "main/formats.h"
+#include "main/format_unpack.h"
#include "main/glformats.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/matrix.h"
#include "main/mipmap.h"
+#include "main/multisample.h"
+#include "main/objectlabel.h"
+#include "main/pipelineobj.h"
#include "main/pixel.h"
#include "main/pbo.h"
#include "main/polygon.h"
#include "main/teximage.h"
#include "main/texparam.h"
#include "main/texstate.h"
+#include "main/texstore.h"
#include "main/transformfeedback.h"
#include "main/uniforms.h"
#include "main/varray.h"
#include "drivers/common/meta.h"
#include "main/enums.h"
#include "main/glformats.h"
-#include "../glsl/ralloc.h"
+#include "util/ralloc.h"
/** Return offset in bytes of the field within a vertex struct */
#define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD))
-/**
- * State which we may save/restore across meta ops.
- * XXX this may be incomplete...
- */
-struct save_state
-{
- GLbitfield SavedState; /**< bitmask of MESA_META_* flags */
-
- /** MESA_META_CLEAR (and others?) */
- struct gl_query_object *CurrentOcclusionObject;
-
- /** MESA_META_ALPHA_TEST */
- GLboolean AlphaEnabled;
- GLenum AlphaFunc;
- GLclampf AlphaRef;
-
- /** MESA_META_BLEND */
- GLbitfield BlendEnabled;
- GLboolean ColorLogicOpEnabled;
-
- /** MESA_META_COLOR_MASK */
- GLubyte ColorMask[MAX_DRAW_BUFFERS][4];
-
- /** MESA_META_DEPTH_TEST */
- struct gl_depthbuffer_attrib Depth;
-
- /** MESA_META_FOG */
- GLboolean Fog;
-
- /** MESA_META_PIXEL_STORE */
- struct gl_pixelstore_attrib Pack, Unpack;
-
- /** MESA_META_PIXEL_TRANSFER */
- GLfloat RedBias, RedScale;
- GLfloat GreenBias, GreenScale;
- GLfloat BlueBias, BlueScale;
- GLfloat AlphaBias, AlphaScale;
- GLfloat DepthBias, DepthScale;
- GLboolean MapColorFlag;
-
- /** MESA_META_RASTERIZATION */
- GLenum FrontPolygonMode, BackPolygonMode;
- GLboolean PolygonOffset;
- GLboolean PolygonSmooth;
- GLboolean PolygonStipple;
- GLboolean PolygonCull;
-
- /** MESA_META_SCISSOR */
- struct gl_scissor_attrib Scissor;
-
- /** MESA_META_SHADER */
- GLboolean VertexProgramEnabled;
- struct gl_vertex_program *VertexProgram;
- GLboolean FragmentProgramEnabled;
- struct gl_fragment_program *FragmentProgram;
- GLboolean ATIFragmentShaderEnabled;
- struct gl_shader_program *Shader[MESA_SHADER_STAGES];
- struct gl_shader_program *ActiveShader;
-
- /** MESA_META_STENCIL_TEST */
- struct gl_stencil_attrib Stencil;
-
- /** MESA_META_TRANSFORM */
- GLenum MatrixMode;
- GLfloat ModelviewMatrix[16];
- GLfloat ProjectionMatrix[16];
- GLfloat TextureMatrix[16];
-
- /** MESA_META_CLIP */
- GLbitfield ClipPlanesEnabled;
-
- /** MESA_META_TEXTURE */
- GLuint ActiveUnit;
- GLuint ClientActiveUnit;
- /** for unit[0] only */
- struct gl_texture_object *CurrentTexture[NUM_TEXTURE_TARGETS];
- /** mask of TEXTURE_2D_BIT, etc */
- GLbitfield TexEnabled[MAX_TEXTURE_UNITS];
- GLbitfield TexGenEnabled[MAX_TEXTURE_UNITS];
- GLuint EnvMode; /* unit[0] only */
-
- /** MESA_META_VERTEX */
- struct gl_array_object *ArrayObj;
- struct gl_buffer_object *ArrayBufferObj;
-
- /** MESA_META_VIEWPORT */
- GLfloat ViewportX, ViewportY, ViewportW, ViewportH;
- GLclampd DepthNear, DepthFar;
-
- /** MESA_META_CLAMP_FRAGMENT_COLOR */
- GLenum ClampFragmentColor;
-
- /** MESA_META_CLAMP_VERTEX_COLOR */
- GLenum ClampVertexColor;
-
- /** MESA_META_CONDITIONAL_RENDER */
- struct gl_query_object *CondRenderQuery;
- GLenum CondRenderMode;
-
- /** MESA_META_SELECT_FEEDBACK */
- GLenum RenderMode;
- struct gl_selection Select;
- struct gl_feedback Feedback;
-
- /** MESA_META_MULTISAMPLE */
- GLboolean MultisampleEnabled;
-
- /** MESA_META_FRAMEBUFFER_SRGB */
- GLboolean sRGBEnabled;
-
- /** Miscellaneous (always disabled) */
- GLboolean Lighting;
- GLboolean RasterDiscard;
- GLboolean TransformFeedbackNeedsResume;
-};
-
-/**
- * Temporary texture used for glBlitFramebuffer, glDrawPixels, etc.
- * This is currently shared by all the meta ops. But we could create a
- * separate one for each of glDrawPixel, glBlitFramebuffer, glCopyPixels, etc.
- */
-struct temp_texture
-{
- GLuint TexObj;
- GLenum Target; /**< GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE */
- GLsizei MinSize; /**< Min texture size to allocate */
- GLsizei MaxSize; /**< Max possible texture size */
- GLboolean NPOT; /**< Non-power of two size OK? */
- GLsizei Width, Height; /**< Current texture size */
- GLenum IntFormat;
- GLfloat Sright, Ttop; /**< right, top texcoords */
-};
-
-
-/**
- * State for glBlitFramebufer()
- */
-struct blit_state
-{
- GLuint ArrayObj;
- GLuint VBO;
- GLuint DepthFP;
- GLuint ShaderProg;
- GLuint RectShaderProg;
- struct temp_texture depthTex;
-};
-
-
-/**
- * State for glClear()
- */
-struct clear_state
-{
- GLuint ArrayObj;
- GLuint VBO;
- GLuint ShaderProg;
- GLint ColorLocation;
- GLint LayerLocation;
-
- GLuint IntegerShaderProg;
- GLint IntegerColorLocation;
- GLint IntegerLayerLocation;
-};
-
-
-/**
- * State for glCopyPixels()
- */
-struct copypix_state
-{
- GLuint ArrayObj;
- GLuint VBO;
-};
-
-
-/**
- * State for glDrawPixels()
- */
-struct drawpix_state
-{
- GLuint ArrayObj;
-
- GLuint StencilFP; /**< Fragment program for drawing stencil images */
- GLuint DepthFP; /**< Fragment program for drawing depth images */
-};
-
+static void
+meta_clear(struct gl_context *ctx, GLbitfield buffers, bool glsl);
-/**
- * State for glBitmap()
- */
-struct bitmap_state
-{
- GLuint ArrayObj;
- GLuint VBO;
- struct temp_texture Tex; /**< separate texture from other meta ops */
-};
+static struct blit_shader *
+choose_blit_shader(GLenum target, struct blit_shader_table *table);
-/**
- * State for GLSL texture sampler which is used to generate fragment
- * shader in _mesa_meta_generate_mipmap().
- */
-struct glsl_sampler {
- const char *type;
- const char *func;
- const char *texcoords;
- GLuint shader_prog;
-};
+static void cleanup_temp_texture(struct temp_texture *tex);
+static void meta_glsl_clear_cleanup(struct clear_state *clear);
+static void meta_decompress_cleanup(struct decompress_state *decompress);
+static void meta_drawpix_cleanup(struct drawpix_state *drawpix);
-/**
- * State for _mesa_meta_generate_mipmap()
- */
-struct gen_mipmap_state
+void
+_mesa_meta_bind_fbo_image(GLenum fboTarget, GLenum attachment,
+ struct gl_texture_image *texImage, GLuint layer)
{
- GLuint ArrayObj;
- GLuint VBO;
- GLuint FBO;
- GLuint Sampler;
- GLuint ShaderProg;
- struct glsl_sampler sampler_1d;
- struct glsl_sampler sampler_2d;
- struct glsl_sampler sampler_3d;
- struct glsl_sampler sampler_cubemap;
- struct glsl_sampler sampler_1d_array;
- struct glsl_sampler sampler_2d_array;
-};
+ struct gl_texture_object *texObj = texImage->TexObject;
+ int level = texImage->Level;
+ GLenum texTarget = texObj->Target;
-/**
- * State for texture decompression
- */
-struct decompress_state
-{
- GLuint ArrayObj;
- GLuint VBO, FBO, RBO, Sampler;
- GLint Width, Height;
-};
+ switch (texTarget) {
+ case GL_TEXTURE_1D:
+ _mesa_FramebufferTexture1D(fboTarget,
+ attachment,
+ texTarget,
+ texObj->Name,
+ level);
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_3D:
+ _mesa_FramebufferTextureLayer(fboTarget,
+ attachment,
+ texObj->Name,
+ level,
+ layer);
+ break;
+ default: /* 2D / cube */
+ if (texTarget == GL_TEXTURE_CUBE_MAP)
+ texTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + texImage->Face;
-/**
- * State for glDrawTex()
- */
-struct drawtex_state
-{
- GLuint ArrayObj;
- GLuint VBO;
-};
+ _mesa_FramebufferTexture2D(fboTarget,
+ attachment,
+ texTarget,
+ texObj->Name,
+ level);
+ }
+}
-#define MAX_META_OPS_DEPTH 8
-/**
- * All per-context meta state.
- */
-struct gl_meta_state
-{
- /** Stack of state saved during meta-ops */
- struct save_state Save[MAX_META_OPS_DEPTH];
- /** Save stack depth */
- GLuint SaveStackDepth;
-
- struct temp_texture TempTex;
-
- struct blit_state Blit; /**< For _mesa_meta_BlitFramebuffer() */
- struct clear_state Clear; /**< For _mesa_meta_Clear() */
- struct copypix_state CopyPix; /**< For _mesa_meta_CopyPixels() */
- struct drawpix_state DrawPix; /**< For _mesa_meta_DrawPixels() */
- struct bitmap_state Bitmap; /**< For _mesa_meta_Bitmap() */
- struct gen_mipmap_state Mipmap; /**< For _mesa_meta_GenerateMipmap() */
- struct decompress_state Decompress; /**< For texture decompression */
- struct drawtex_state DrawTex; /**< For _mesa_meta_DrawTex() */
-};
-
-static void meta_glsl_blit_cleanup(struct gl_context *ctx, struct blit_state *blit);
-static void cleanup_temp_texture(struct gl_context *ctx, struct temp_texture *tex);
-static void meta_glsl_clear_cleanup(struct gl_context *ctx, struct clear_state *clear);
-static void meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
- struct gen_mipmap_state *mipmap);
-
-static GLuint
-compile_shader_with_debug(struct gl_context *ctx, GLenum target, const GLcharARB *source)
+GLuint
+_mesa_meta_compile_shader_with_debug(struct gl_context *ctx, GLenum target,
+ const GLcharARB *source)
{
GLuint shader;
GLint ok, size;
GLchar *info;
- shader = _mesa_CreateShaderObjectARB(target);
+ shader = _mesa_CreateShader(target);
_mesa_ShaderSource(shader, 1, &source, NULL);
_mesa_CompileShader(shader);
_mesa_GetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);
if (size == 0) {
- _mesa_DeleteObjectARB(shader);
+ _mesa_DeleteShader(shader);
return 0;
}
info = malloc(size);
if (!info) {
- _mesa_DeleteObjectARB(shader);
+ _mesa_DeleteShader(shader);
return 0;
}
- _mesa_GetProgramInfoLog(shader, size, NULL, info);
+ _mesa_GetShaderInfoLog(shader, size, NULL, info);
_mesa_problem(ctx,
"meta program compile failed:\n%s\n"
"source:\n%s\n",
info, source);
free(info);
- _mesa_DeleteObjectARB(shader);
+ _mesa_DeleteShader(shader);
return 0;
}
-static GLuint
-link_program_with_debug(struct gl_context *ctx, GLuint program)
+GLuint
+_mesa_meta_link_program_with_debug(struct gl_context *ctx, GLuint program)
{
GLint ok, size;
GLchar *info;
return 0;
}
+void
+_mesa_meta_compile_and_link_program(struct gl_context *ctx,
+ const char *vs_source,
+ const char *fs_source,
+ const char *name,
+ GLuint *program)
+{
+ GLuint vs = _mesa_meta_compile_shader_with_debug(ctx, GL_VERTEX_SHADER,
+ vs_source);
+ GLuint fs = _mesa_meta_compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER,
+ fs_source);
+
+ *program = _mesa_CreateProgram();
+ _mesa_ObjectLabel(GL_PROGRAM, *program, -1, name);
+ _mesa_AttachShader(*program, fs);
+ _mesa_DeleteShader(fs);
+ _mesa_AttachShader(*program, vs);
+ _mesa_DeleteShader(vs);
+ _mesa_BindAttribLocation(*program, 0, "position");
+ _mesa_BindAttribLocation(*program, 1, "texcoords");
+ _mesa_meta_link_program_with_debug(ctx, *program);
+
+ _mesa_UseProgram(*program);
+}
+
+/**
+ * Generate a generic shader to blit from a texture to a framebuffer
+ *
+ * \param ctx Current GL context
+ * \param texTarget Texture target that will be the source of the blit
+ *
+ * \returns a handle to a shader program on success or zero on failure.
+ */
+void
+_mesa_meta_setup_blit_shader(struct gl_context *ctx,
+ GLenum target,
+ struct blit_shader_table *table)
+{
+ char *vs_source, *fs_source;
+ void *const mem_ctx = ralloc_context(NULL);
+ struct blit_shader *shader = choose_blit_shader(target, table);
+ const char *vs_input, *vs_output, *fs_input, *vs_preprocess, *fs_preprocess;
+
+ if (ctx->Const.GLSLVersion < 130) {
+ vs_preprocess = "";
+ vs_input = "attribute";
+ vs_output = "varying";
+ fs_preprocess = "#extension GL_EXT_texture_array : enable";
+ fs_input = "varying";
+ } else {
+ vs_preprocess = "#version 130";
+ vs_input = "in";
+ vs_output = "out";
+ fs_preprocess = "#version 130";
+ fs_input = "in";
+ shader->func = "texture";
+ }
+
+ assert(shader != NULL);
+
+ if (shader->shader_prog != 0) {
+ _mesa_UseProgram(shader->shader_prog);
+ return;
+ }
+
+ vs_source = ralloc_asprintf(mem_ctx,
+ "%s\n"
+ "%s vec2 position;\n"
+ "%s vec4 textureCoords;\n"
+ "%s vec4 texCoords;\n"
+ "void main()\n"
+ "{\n"
+ " texCoords = textureCoords;\n"
+ " gl_Position = vec4(position, 0.0, 1.0);\n"
+ "}\n",
+ vs_preprocess, vs_input, vs_input, vs_output);
+
+ fs_source = ralloc_asprintf(mem_ctx,
+ "%s\n"
+ "#extension GL_ARB_texture_cube_map_array: enable\n"
+ "uniform %s texSampler;\n"
+ "%s vec4 texCoords;\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = %s(texSampler, %s);\n"
+ " gl_FragDepth = gl_FragColor.x;\n"
+ "}\n",
+ fs_preprocess, shader->type, fs_input,
+ shader->func, shader->texcoords);
+
+ _mesa_meta_compile_and_link_program(ctx, vs_source, fs_source,
+ ralloc_asprintf(mem_ctx, "%s blit",
+ shader->type),
+ &shader->shader_prog);
+ ralloc_free(mem_ctx);
+}
+
+/**
+ * Configure vertex buffer and vertex array objects for tests
+ *
+ * Regardless of whether a new VAO and new VBO are created, the objects
+ * referenced by \c VAO and \c VBO will be bound into the GL state vector
+ * when this function terminates.
+ *
+ * \param VAO Storage for vertex array object handle. If 0, a new VAO
+ * will be created.
+ * \param VBO Storage for vertex buffer object handle. If 0, a new VBO
+ * will be created. The new VBO will have storage for 4
+ * \c vertex structures.
+ * \param use_generic_attributes Should generic attributes 0 and 1 be used,
+ * or should traditional, fixed-function color and texture
+ * coordinate be used?
+ * \param vertex_size Number of components for attribute 0 / vertex.
+ * \param texcoord_size Number of components for attribute 1 / texture
+ * coordinate. If this is 0, attribute 1 will not be set or
+ * enabled.
+ * \param color_size Number of components for attribute 1 / primary color.
+ * If this is 0, attribute 1 will not be set or enabled.
+ *
+ * \note If \c use_generic_attributes is \c true, \c color_size must be zero.
+ * Use \c texcoord_size instead.
+ */
+void
+_mesa_meta_setup_vertex_objects(GLuint *VAO, GLuint *VBO,
+ bool use_generic_attributes,
+ unsigned vertex_size, unsigned texcoord_size,
+ unsigned color_size)
+{
+ if (*VAO == 0) {
+ assert(*VBO == 0);
+
+ /* create vertex array object */
+ _mesa_GenVertexArrays(1, VAO);
+ _mesa_BindVertexArray(*VAO);
+
+ /* create vertex array buffer */
+ _mesa_GenBuffers(1, VBO);
+ _mesa_BindBuffer(GL_ARRAY_BUFFER, *VBO);
+ _mesa_BufferData(GL_ARRAY_BUFFER, 4 * sizeof(struct vertex), NULL,
+ GL_DYNAMIC_DRAW);
+
+ /* setup vertex arrays */
+ if (use_generic_attributes) {
+ assert(color_size == 0);
+
+ _mesa_VertexAttribPointer(0, vertex_size, GL_FLOAT, GL_FALSE,
+ sizeof(struct vertex), OFFSET(x));
+ _mesa_EnableVertexAttribArray(0);
+
+ if (texcoord_size > 0) {
+ _mesa_VertexAttribPointer(1, texcoord_size, GL_FLOAT, GL_FALSE,
+ sizeof(struct vertex), OFFSET(tex));
+ _mesa_EnableVertexAttribArray(1);
+ }
+ } else {
+ _mesa_VertexPointer(vertex_size, GL_FLOAT, sizeof(struct vertex),
+ OFFSET(x));
+ _mesa_EnableClientState(GL_VERTEX_ARRAY);
+
+ if (texcoord_size > 0) {
+ _mesa_TexCoordPointer(texcoord_size, GL_FLOAT,
+ sizeof(struct vertex), OFFSET(tex));
+ _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
+ }
+
+ if (color_size > 0) {
+ _mesa_ColorPointer(color_size, GL_FLOAT,
+ sizeof(struct vertex), OFFSET(r));
+ _mesa_EnableClientState(GL_COLOR_ARRAY);
+ }
+ }
+ } else {
+ _mesa_BindVertexArray(*VAO);
+ _mesa_BindBuffer(GL_ARRAY_BUFFER, *VBO);
+ }
+}
+
/**
* Initialize meta-ops for a context.
* To be called once during context creation.
ctx->Meta = CALLOC_STRUCT(gl_meta_state);
}
+static GLenum
+gl_buffer_index_to_drawbuffers_enum(gl_buffer_index bufindex)
+{
+ assert(bufindex < BUFFER_COUNT);
+
+ if (bufindex >= BUFFER_COLOR0)
+ return GL_COLOR_ATTACHMENT0 + bufindex - BUFFER_COLOR0;
+ else if (bufindex == BUFFER_FRONT_LEFT)
+ return GL_FRONT_LEFT;
+ else if (bufindex == BUFFER_FRONT_RIGHT)
+ return GL_FRONT_RIGHT;
+ else if (bufindex == BUFFER_BACK_LEFT)
+ return GL_BACK_LEFT;
+ else if (bufindex == BUFFER_BACK_RIGHT)
+ return GL_BACK_RIGHT;
+
+ return GL_NONE;
+}
/**
* Free context meta-op state.
{
GET_CURRENT_CONTEXT(old_context);
_mesa_make_current(ctx, NULL, NULL);
- meta_glsl_blit_cleanup(ctx, &ctx->Meta->Blit);
- meta_glsl_clear_cleanup(ctx, &ctx->Meta->Clear);
- meta_glsl_generate_mipmap_cleanup(ctx, &ctx->Meta->Mipmap);
- cleanup_temp_texture(ctx, &ctx->Meta->TempTex);
+ _mesa_meta_glsl_blit_cleanup(&ctx->Meta->Blit);
+ meta_glsl_clear_cleanup(&ctx->Meta->Clear);
+ _mesa_meta_glsl_generate_mipmap_cleanup(&ctx->Meta->Mipmap);
+ cleanup_temp_texture(&ctx->Meta->TempTex);
+ meta_decompress_cleanup(&ctx->Meta->Decompress);
+ meta_drawpix_cleanup(&ctx->Meta->DrawPix);
if (old_context)
_mesa_make_current(old_context, old_context->WinSysDrawBuffer, old_context->WinSysReadBuffer);
else
memset(save, 0, sizeof(*save));
save->SavedState = state;
+ /* We always push into desktop GL mode and pop out at the end. No sense in
+ * writing our shaders varying based on the user's context choice, when
+ * Mesa can handle either.
+ */
+ save->API = ctx->API;
+ ctx->API = API_OPENGL_COMPAT;
+
/* Pausing transform feedback needs to be done early, or else we won't be
* able to change other state.
*/
_mesa_set_enable(ctx, GL_COLOR_LOGIC_OP, GL_FALSE);
}
+ if (state & MESA_META_DITHER) {
+ save->DitherFlag = ctx->Color.DitherFlag;
+ _mesa_set_enable(ctx, GL_DITHER, GL_TRUE);
+ }
+
if (state & MESA_META_COLOR_MASK) {
memcpy(save->ColorMask, ctx->Color.ColorMask,
sizeof(ctx->Color.ColorMask));
_mesa_set_enable(ctx, GL_DEPTH_TEST, GL_FALSE);
}
- if ((state & MESA_META_FOG)
- && ctx->API != API_OPENGL_CORE
- && ctx->API != API_OPENGLES2) {
+ if (state & MESA_META_FOG) {
save->Fog = ctx->Fog.Enabled;
if (ctx->Fog.Enabled)
_mesa_set_enable(ctx, GL_FOG, GL_FALSE);
save->PolygonCull = ctx->Polygon.CullFlag;
_mesa_PolygonMode(GL_FRONT_AND_BACK, GL_FILL);
_mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL, GL_FALSE);
- if (ctx->API == API_OPENGL_COMPAT) {
- _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, GL_FALSE);
- _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, GL_FALSE);
- }
+ _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, GL_FALSE);
+ _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, GL_FALSE);
_mesa_set_enable(ctx, GL_CULL_FACE, GL_FALSE);
}
}
if (state & MESA_META_SHADER) {
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_vertex_program) {
+ int i;
+
+ if (ctx->Extensions.ARB_vertex_program) {
save->VertexProgramEnabled = ctx->VertexProgram.Enabled;
_mesa_reference_vertprog(ctx, &save->VertexProgram,
ctx->VertexProgram.Current);
_mesa_set_enable(ctx, GL_VERTEX_PROGRAM_ARB, GL_FALSE);
}
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_fragment_program) {
+ if (ctx->Extensions.ARB_fragment_program) {
save->FragmentProgramEnabled = ctx->FragmentProgram.Enabled;
_mesa_reference_fragprog(ctx, &save->FragmentProgram,
ctx->FragmentProgram.Current);
_mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB, GL_FALSE);
}
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ATI_fragment_shader) {
+ if (ctx->Extensions.ATI_fragment_shader) {
save->ATIFragmentShaderEnabled = ctx->ATIFragmentShader.Enabled;
_mesa_set_enable(ctx, GL_FRAGMENT_SHADER_ATI, GL_FALSE);
}
- for (int i = 0; i < MESA_SHADER_STAGES; i++) {
+ if (ctx->Pipeline.Current) {
+ _mesa_reference_pipeline_object(ctx, &save->Pipeline,
+ ctx->Pipeline.Current);
+ _mesa_BindProgramPipeline(0);
+ }
+
+ /* Save the shader state from ctx->Shader (instead of ctx->_Shader) so
+ * that we don't have to worry about the current pipeline state.
+ */
+ for (i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
_mesa_reference_shader_program(ctx, &save->Shader[i],
- ctx->Shader.CurrentProgram[i]);
+ ctx->Shader.CurrentProgram[i]);
}
_mesa_reference_shader_program(ctx, &save->ActiveShader,
ctx->Shader.ActiveProgram);
save->EnvMode = ctx->Texture.Unit[0].EnvMode;
/* Disable all texture units */
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- save->TexEnabled[u] = ctx->Texture.Unit[u].Enabled;
- save->TexGenEnabled[u] = ctx->Texture.Unit[u].TexGenEnabled;
- if (ctx->Texture.Unit[u].Enabled ||
- ctx->Texture.Unit[u].TexGenEnabled) {
- _mesa_ActiveTexture(GL_TEXTURE0 + u);
- _mesa_set_enable(ctx, GL_TEXTURE_2D, GL_FALSE);
- if (ctx->Extensions.ARB_texture_cube_map)
- _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE);
- if (_mesa_is_gles(ctx) &&
- ctx->Extensions.OES_EGL_image_external)
- _mesa_set_enable(ctx, GL_TEXTURE_EXTERNAL_OES, GL_FALSE);
-
- if (ctx->API == API_OPENGL_COMPAT) {
- _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE);
- if (ctx->Extensions.NV_texture_rectangle)
- _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_S, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_T, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_R, GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
- } else {
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_STR_OES, GL_FALSE);
- }
- }
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ save->TexEnabled[u] = ctx->Texture.Unit[u].Enabled;
+ save->TexGenEnabled[u] = ctx->Texture.Unit[u].TexGenEnabled;
+ if (ctx->Texture.Unit[u].Enabled ||
+ ctx->Texture.Unit[u].TexGenEnabled) {
+ _mesa_ActiveTexture(GL_TEXTURE0 + u);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D, GL_FALSE);
+ if (ctx->Extensions.ARB_texture_cube_map)
+ _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE);
+
+ _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE);
+ if (ctx->Extensions.NV_texture_rectangle)
+ _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_S, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_T, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_R, GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
}
}
/* set defaults for unit[0] */
_mesa_ActiveTexture(GL_TEXTURE0);
_mesa_ClientActiveTexture(GL_TEXTURE0);
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- }
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
}
if (state & MESA_META_TRANSFORM) {
if (state & MESA_META_VERTEX) {
/* save vertex array object state */
- _mesa_reference_array_object(ctx, &save->ArrayObj,
- ctx->Array.ArrayObj);
+ _mesa_reference_vao(ctx, &save->VAO,
+ ctx->Array.VAO);
_mesa_reference_buffer_object(ctx, &save->ArrayBufferObj,
ctx->Array.ArrayBufferObj);
/* set some default state? */
}
if (state & MESA_META_MULTISAMPLE) {
- save->MultisampleEnabled = ctx->Multisample.Enabled;
+ save->Multisample = ctx->Multisample; /* struct copy */
+
if (ctx->Multisample.Enabled)
_mesa_set_multisample(ctx, GL_FALSE);
+ if (ctx->Multisample.SampleCoverage)
+ _mesa_set_enable(ctx, GL_SAMPLE_COVERAGE, GL_FALSE);
+ if (ctx->Multisample.SampleAlphaToCoverage)
+ _mesa_set_enable(ctx, GL_SAMPLE_ALPHA_TO_COVERAGE, GL_FALSE);
+ if (ctx->Multisample.SampleAlphaToOne)
+ _mesa_set_enable(ctx, GL_SAMPLE_ALPHA_TO_ONE, GL_FALSE);
+ if (ctx->Multisample.SampleShading)
+ _mesa_set_enable(ctx, GL_SAMPLE_SHADING, GL_FALSE);
+ if (ctx->Multisample.SampleMask)
+ _mesa_set_enable(ctx, GL_SAMPLE_MASK, GL_FALSE);
}
if (state & MESA_META_FRAMEBUFFER_SRGB) {
_mesa_set_framebuffer_srgb(ctx, GL_FALSE);
}
+ if (state & MESA_META_DRAW_BUFFERS) {
+ int buf, real_color_buffers = 0;
+ memset(save->ColorDrawBuffers, 0, sizeof(save->ColorDrawBuffers));
+
+ for (buf = 0; buf < ctx->Const.MaxDrawBuffers; buf++) {
+ int buf_index = ctx->DrawBuffer->_ColorDrawBufferIndexes[buf];
+ if (buf_index == -1)
+ continue;
+
+ save->ColorDrawBuffers[buf] =
+ gl_buffer_index_to_drawbuffers_enum(buf_index);
+
+ if (++real_color_buffers >= ctx->DrawBuffer->_NumColorDrawBuffers)
+ break;
+ }
+ }
+
/* misc */
{
save->Lighting = ctx->Light.Enabled;
save->RasterDiscard = ctx->RasterDiscard;
if (ctx->RasterDiscard)
_mesa_set_enable(ctx, GL_RASTERIZER_DISCARD, GL_FALSE);
+
+ save->DrawBufferName = ctx->DrawBuffer->Name;
+ save->ReadBufferName = ctx->ReadBuffer->Name;
+ save->RenderbufferName = (ctx->CurrentRenderbuffer ?
+ ctx->CurrentRenderbuffer->Name : 0);
}
}
_mesa_set_enable(ctx, GL_COLOR_LOGIC_OP, save->ColorLogicOpEnabled);
}
+ if (state & MESA_META_DITHER)
+ _mesa_set_enable(ctx, GL_DITHER, save->DitherFlag);
+
if (state & MESA_META_COLOR_MASK) {
GLuint i;
for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
_mesa_DepthMask(save->Depth.Mask);
}
- if ((state & MESA_META_FOG)
- && ctx->API != API_OPENGL_CORE
- && ctx->API != API_OPENGLES2) {
+ if (state & MESA_META_FOG) {
_mesa_set_enable(ctx, GL_FOG, save->Fog);
}
}
if (state & MESA_META_RASTERIZATION) {
- /* Core context requires that front and back mode be the same.
- */
- if (ctx->API == API_OPENGL_CORE) {
- _mesa_PolygonMode(GL_FRONT_AND_BACK, save->FrontPolygonMode);
- } else {
- _mesa_PolygonMode(GL_FRONT, save->FrontPolygonMode);
- _mesa_PolygonMode(GL_BACK, save->BackPolygonMode);
- }
- if (ctx->API == API_OPENGL_COMPAT) {
- _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, save->PolygonStipple);
- _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, save->PolygonSmooth);
- }
+ _mesa_PolygonMode(GL_FRONT, save->FrontPolygonMode);
+ _mesa_PolygonMode(GL_BACK, save->BackPolygonMode);
+ _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, save->PolygonStipple);
+ _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, save->PolygonSmooth);
_mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL, save->PolygonOffset);
_mesa_set_enable(ctx, GL_CULL_FACE, save->PolygonCull);
}
}
if (state & MESA_META_SHADER) {
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_vertex_program) {
+ static const GLenum targets[] = {
+ GL_VERTEX_SHADER,
+ GL_GEOMETRY_SHADER,
+ GL_FRAGMENT_SHADER,
+ };
+
+ bool any_shader;
+
+ if (ctx->Extensions.ARB_vertex_program) {
_mesa_set_enable(ctx, GL_VERTEX_PROGRAM_ARB,
save->VertexProgramEnabled);
_mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
_mesa_reference_vertprog(ctx, &save->VertexProgram, NULL);
}
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_fragment_program) {
+ if (ctx->Extensions.ARB_fragment_program) {
_mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB,
save->FragmentProgramEnabled);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current,
_mesa_reference_fragprog(ctx, &save->FragmentProgram, NULL);
}
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ATI_fragment_shader) {
+ if (ctx->Extensions.ATI_fragment_shader) {
_mesa_set_enable(ctx, GL_FRAGMENT_SHADER_ATI,
save->ATIFragmentShaderEnabled);
}
- if (ctx->Extensions.ARB_vertex_shader) {
- _mesa_use_shader_program(ctx, GL_VERTEX_SHADER,
- save->Shader[MESA_SHADER_VERTEX]);
- }
+ any_shader = false;
+ for (i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
+ /* It is safe to call _mesa_use_shader_program even if the extension
+ * necessary for that program state is not supported. In that case,
+ * the saved program object must be NULL and the currently bound
+ * program object must be NULL. _mesa_use_shader_program is a no-op
+ * in that case.
+ */
+ _mesa_use_shader_program(ctx, targets[i],
+ save->Shader[i],
+ &ctx->Shader);
- if (_mesa_has_geometry_shaders(ctx))
- _mesa_use_shader_program(ctx, GL_GEOMETRY_SHADER_ARB,
- save->Shader[MESA_SHADER_GEOMETRY]);
+ /* Do this *before* killing the reference. :)
+ */
+ if (save->Shader[i] != NULL)
+ any_shader = true;
- if (ctx->Extensions.ARB_fragment_shader)
- _mesa_use_shader_program(ctx, GL_FRAGMENT_SHADER,
- save->Shader[MESA_SHADER_FRAGMENT]);
+ _mesa_reference_shader_program(ctx, &save->Shader[i], NULL);
+ }
_mesa_reference_shader_program(ctx, &ctx->Shader.ActiveProgram,
- save->ActiveShader);
-
- for (i = 0; i < MESA_SHADER_STAGES; i++)
- _mesa_reference_shader_program(ctx, &save->Shader[i], NULL);
+ save->ActiveShader);
_mesa_reference_shader_program(ctx, &save->ActiveShader, NULL);
+
+ /* If there were any stages set with programs, use ctx->Shader as the
+ * current shader state. Otherwise, use Pipeline.Default. The pipeline
+ * hasn't been restored yet, and that may modify ctx->_Shader further.
+ */
+ if (any_shader)
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader,
+ &ctx->Shader);
+ else
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader,
+ ctx->Pipeline.Default);
+
+ if (save->Pipeline) {
+ _mesa_bind_pipeline(ctx, save->Pipeline);
+
+ _mesa_reference_pipeline_object(ctx, &save->Pipeline, NULL);
+ }
}
if (state & MESA_META_STENCIL_TEST) {
_mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled);
_mesa_ClearStencil(stencil->Clear);
- if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.EXT_stencil_two_side) {
+ if (ctx->Extensions.EXT_stencil_two_side) {
_mesa_set_enable(ctx, GL_STENCIL_TEST_TWO_SIDE_EXT,
stencil->TestTwoSide);
_mesa_ActiveStencilFaceEXT(stencil->ActiveFace
ASSERT(ctx->Texture.CurrentUnit == 0);
/* restore texenv for unit[0] */
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, save->EnvMode);
- }
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, save->EnvMode);
/* restore texture objects for unit[0] only */
for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
}
/* Restore fixed function texture enables, texgen */
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u].Enabled != save->TexEnabled[u]) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- ctx->Texture.Unit[u].Enabled = save->TexEnabled[u];
- }
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ if (ctx->Texture.Unit[u].Enabled != save->TexEnabled[u]) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ ctx->Texture.Unit[u].Enabled = save->TexEnabled[u];
+ }
- if (ctx->Texture.Unit[u].TexGenEnabled != save->TexGenEnabled[u]) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- ctx->Texture.Unit[u].TexGenEnabled = save->TexGenEnabled[u];
- }
+ if (ctx->Texture.Unit[u].TexGenEnabled != save->TexGenEnabled[u]) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ ctx->Texture.Unit[u].TexGenEnabled = save->TexGenEnabled[u];
}
}
_mesa_reference_buffer_object(ctx, &save->ArrayBufferObj, NULL);
/* restore vertex array object */
- _mesa_BindVertexArray(save->ArrayObj->Name);
- _mesa_reference_array_object(ctx, &save->ArrayObj, NULL);
+ _mesa_BindVertexArray(save->VAO->Name);
+ _mesa_reference_vao(ctx, &save->VAO, NULL);
}
if (state & MESA_META_VIEWPORT) {
}
if (state & MESA_META_MULTISAMPLE) {
- if (ctx->Multisample.Enabled != save->MultisampleEnabled)
- _mesa_set_multisample(ctx, save->MultisampleEnabled);
+ struct gl_multisample_attrib *ctx_ms = &ctx->Multisample;
+ struct gl_multisample_attrib *save_ms = &save->Multisample;
+
+ if (ctx_ms->Enabled != save_ms->Enabled)
+ _mesa_set_multisample(ctx, save_ms->Enabled);
+ if (ctx_ms->SampleCoverage != save_ms->SampleCoverage)
+ _mesa_set_enable(ctx, GL_SAMPLE_COVERAGE, save_ms->SampleCoverage);
+ if (ctx_ms->SampleAlphaToCoverage != save_ms->SampleAlphaToCoverage)
+ _mesa_set_enable(ctx, GL_SAMPLE_ALPHA_TO_COVERAGE, save_ms->SampleAlphaToCoverage);
+ if (ctx_ms->SampleAlphaToOne != save_ms->SampleAlphaToOne)
+ _mesa_set_enable(ctx, GL_SAMPLE_ALPHA_TO_ONE, save_ms->SampleAlphaToOne);
+ if (ctx_ms->SampleCoverageValue != save_ms->SampleCoverageValue ||
+ ctx_ms->SampleCoverageInvert != save_ms->SampleCoverageInvert) {
+ _mesa_SampleCoverage(save_ms->SampleCoverageValue,
+ save_ms->SampleCoverageInvert);
+ }
+ if (ctx_ms->SampleShading != save_ms->SampleShading)
+ _mesa_set_enable(ctx, GL_SAMPLE_SHADING, save_ms->SampleShading);
+ if (ctx_ms->SampleMask != save_ms->SampleMask)
+ _mesa_set_enable(ctx, GL_SAMPLE_MASK, save_ms->SampleMask);
+ if (ctx_ms->SampleMaskValue != save_ms->SampleMaskValue)
+ _mesa_SampleMaski(0, save_ms->SampleMaskValue);
+ if (ctx_ms->MinSampleShadingValue != save_ms->MinSampleShadingValue)
+ _mesa_MinSampleShading(save_ms->MinSampleShadingValue);
}
if (state & MESA_META_FRAMEBUFFER_SRGB) {
if (save->TransformFeedbackNeedsResume)
_mesa_ResumeTransformFeedback();
+ if (ctx->DrawBuffer->Name != save->DrawBufferName)
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, save->DrawBufferName);
+
+ if (ctx->ReadBuffer->Name != save->ReadBufferName)
+ _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, save->ReadBufferName);
+
+ if (!ctx->CurrentRenderbuffer ||
+ ctx->CurrentRenderbuffer->Name != save->RenderbufferName)
+ _mesa_BindRenderbuffer(GL_RENDERBUFFER, save->RenderbufferName);
+
+ if (state & MESA_META_DRAW_BUFFERS) {
+ _mesa_DrawBuffers(ctx->Const.MaxDrawBuffers, save->ColorDrawBuffers);
+ }
+
ctx->Meta->SaveStackDepth--;
+
+ ctx->API = save->API;
}
}
static void
-cleanup_temp_texture(struct gl_context *ctx, struct temp_texture *tex)
+cleanup_temp_texture(struct temp_texture *tex)
{
if (!tex->TexObj)
return;
* Return pointer to temp_texture info for non-bitmap ops.
* This does some one-time init if needed.
*/
-static struct temp_texture *
-get_temp_texture(struct gl_context *ctx)
+struct temp_texture *
+_mesa_meta_get_temp_texture(struct gl_context *ctx)
{
struct temp_texture *tex = &ctx->Meta->TempTex;
* Return pointer to depth temp_texture.
* This does some one-time init if needed.
*/
-static struct temp_texture *
-get_temp_depth_texture(struct gl_context *ctx)
+struct temp_texture *
+_mesa_meta_get_temp_depth_texture(struct gl_context *ctx)
{
struct temp_texture *tex = &ctx->Meta->Blit.depthTex;
*
* \return GL_TRUE if new texture is needed, GL_FALSE otherwise
*/
-static GLboolean
-alloc_texture(struct temp_texture *tex,
- GLsizei width, GLsizei height, GLenum intFormat)
+GLboolean
+_mesa_meta_alloc_texture(struct temp_texture *tex,
+ GLsizei width, GLsizei height, GLenum intFormat)
{
GLboolean newTex = GL_FALSE;
/**
* Setup/load texture for glCopyPixels or glBlitFramebuffer.
*/
-static void
-setup_copypix_texture(struct gl_context *ctx,
- struct temp_texture *tex,
- GLboolean newTex,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height, GLenum intFormat,
- GLenum filter)
+void
+_mesa_meta_setup_copypix_texture(struct gl_context *ctx,
+ struct temp_texture *tex,
+ GLint srcX, GLint srcY,
+ GLsizei width, GLsizei height,
+ GLenum intFormat,
+ GLenum filter)
{
+ bool newTex;
+
_mesa_BindTexture(tex->Target, tex->TexObj);
_mesa_TexParameteri(tex->Target, GL_TEXTURE_MIN_FILTER, filter);
_mesa_TexParameteri(tex->Target, GL_TEXTURE_MAG_FILTER, filter);
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES)
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+
+ newTex = _mesa_meta_alloc_texture(tex, width, height, intFormat);
/* copy framebuffer image to texture */
if (newTex) {
/**
* Setup/load texture for glDrawPixels.
*/
-static void
-setup_drawpix_texture(struct gl_context *ctx,
- struct temp_texture *tex,
- GLboolean newTex,
- GLenum texIntFormat,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const GLvoid *pixels)
+void
+_mesa_meta_setup_drawpix_texture(struct gl_context *ctx,
+ struct temp_texture *tex,
+ GLboolean newTex,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels)
{
_mesa_BindTexture(tex->Target, tex->TexObj);
_mesa_TexParameteri(tex->Target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
_mesa_TexParameteri(tex->Target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES)
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
/* copy pixel data to texture */
if (newTex) {
}
}
+void
+_mesa_meta_setup_ff_tnl_for_blit(GLuint *VAO, GLuint *VBO,
+ unsigned texcoord_size)
+{
+ _mesa_meta_setup_vertex_objects(VAO, VBO, false, 2, texcoord_size, 0);
+ /* setup projection matrix */
+ _mesa_MatrixMode(GL_PROJECTION);
+ _mesa_LoadIdentity();
+}
/**
- * One-time init for drawing depth pixels.
+ * Meta implementation of ctx->Driver.Clear() in terms of polygon rendering.
*/
-static void
-init_blit_depth_pixels(struct gl_context *ctx)
+void
+_mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers)
{
- static const char *program =
- "!!ARBfp1.0\n"
- "TEX result.depth, fragment.texcoord[0], texture[0], %s; \n"
- "END \n";
- char program2[200];
- struct blit_state *blit = &ctx->Meta->Blit;
- struct temp_texture *tex = get_temp_texture(ctx);
- const char *texTarget;
-
- assert(blit->DepthFP == 0);
-
- /* replace %s with "RECT" or "2D" */
- assert(strlen(program) + 4 < sizeof(program2));
- if (tex->Target == GL_TEXTURE_RECTANGLE)
- texTarget = "RECT";
- else
- texTarget = "2D";
- _mesa_snprintf(program2, sizeof(program2), program, texTarget);
-
- _mesa_GenProgramsARB(1, &blit->DepthFP);
- _mesa_BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP);
- _mesa_ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
- strlen(program2), (const GLubyte *) program2);
+ meta_clear(ctx, buffers, false);
}
-static void
-setup_ff_blit_framebuffer(struct gl_context *ctx,
- struct blit_state *blit)
+void
+_mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers)
{
- struct vertex {
- GLfloat x, y, s, t;
- };
- struct vertex verts[4];
-
- if (blit->ArrayObj == 0) {
- /* one-time setup */
-
- /* create vertex array object */
- _mesa_GenVertexArrays(1, &blit->ArrayObj);
- _mesa_BindVertexArray(blit->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &blit->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, blit->VBO);
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- NULL, GL_DYNAMIC_DRAW_ARB);
-
- /* setup vertex arrays */
- _mesa_VertexPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
- }
-
- /* setup projection matrix */
- _mesa_MatrixMode(GL_PROJECTION);
- _mesa_LoadIdentity();
- _mesa_Ortho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
-
+ meta_clear(ctx, buffers, true);
}
static void
-setup_glsl_blit_framebuffer(struct gl_context *ctx,
- struct blit_state *blit,
- GLenum target)
+meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
{
- struct vertex {
- GLfloat x, y, s, t;
- };
- struct vertex verts[4];
- const char *vs_source;
- char *fs_source;
+ const char *vs_source =
+ "#extension GL_AMD_vertex_shader_layer : enable\n"
+ "#extension GL_ARB_draw_instanced : enable\n"
+ "attribute vec4 position;\n"
+ "void main()\n"
+ "{\n"
+ "#ifdef GL_AMD_vertex_shader_layer\n"
+ " gl_Layer = gl_InstanceID;\n"
+ "#endif\n"
+ " gl_Position = position;\n"
+ "}\n";
+ const char *fs_source =
+ "uniform vec4 color;\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = color;\n"
+ "}\n";
GLuint vs, fs;
- void *mem_ctx;
- GLuint ShaderProg;
- GLboolean texture_2d = (target == GL_TEXTURE_2D);
+ bool has_integer_textures;
- /* target = GL_TEXTURE_RECTANGLE is not supported in GLES 3.0 */
- assert(_mesa_is_desktop_gl(ctx) || texture_2d);
+ _mesa_meta_setup_vertex_objects(&clear->VAO, &clear->VBO, true, 3, 0, 0);
- /* Check if already initialized */
- if (blit->ArrayObj == 0) {
+ if (clear->ShaderProg != 0)
+ return;
- /* create vertex array object */
- _mesa_GenVertexArrays(1, &blit->ArrayObj);
- _mesa_BindVertexArray(blit->ArrayObj);
+ vs = _mesa_CreateShader(GL_VERTEX_SHADER);
+ _mesa_ShaderSource(vs, 1, &vs_source, NULL);
+ _mesa_CompileShader(vs);
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &blit->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, blit->VBO);
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- NULL, GL_DYNAMIC_DRAW_ARB);
+ fs = _mesa_CreateShader(GL_FRAGMENT_SHADER);
+ _mesa_ShaderSource(fs, 1, &fs_source, NULL);
+ _mesa_CompileShader(fs);
- /* setup vertex arrays */
- _mesa_VertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE,
- sizeof(struct vertex), OFFSET(x));
- _mesa_VertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,
- sizeof(struct vertex), OFFSET(s));
-
- _mesa_EnableVertexAttribArray(0);
- _mesa_EnableVertexAttribArray(1);
- }
-
- /* Generate a relevant fragment shader program for the texture target */
- if ((target == GL_TEXTURE_2D && blit->ShaderProg != 0) ||
- (target == GL_TEXTURE_RECTANGLE && blit->RectShaderProg != 0)) {
- return;
- }
-
- mem_ctx = ralloc_context(NULL);
-
- if (ctx->Const.GLSLVersion < 130) {
- vs_source =
- "attribute vec2 position;\n"
- "attribute vec2 textureCoords;\n"
- "varying vec2 texCoords;\n"
- "void main()\n"
- "{\n"
- " texCoords = textureCoords;\n"
- " gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n";
-
- fs_source = ralloc_asprintf(mem_ctx,
- "#ifdef GL_ES\n"
- "precision highp float;\n"
- "#endif\n"
- "uniform %s texSampler;\n"
- "varying vec2 texCoords;\n"
- "void main()\n"
- "{\n"
- " gl_FragColor = %s(texSampler, texCoords);\n"
- " gl_FragDepth = gl_FragColor.r;\n"
- "}\n",
- texture_2d ? "sampler2D" : "sampler2DRect",
- texture_2d ? "texture2D" : "texture2DRect");
- }
- else {
- vs_source = ralloc_asprintf(mem_ctx,
- "#version %s\n"
- "in vec2 position;\n"
- "in vec2 textureCoords;\n"
- "out vec2 texCoords;\n"
- "void main()\n"
- "{\n"
- " texCoords = textureCoords;\n"
- " gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n",
- _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
- fs_source = ralloc_asprintf(mem_ctx,
- "#version %s\n"
- "#ifdef GL_ES\n"
- "precision highp float;\n"
- "#endif\n"
- "uniform %s texSampler;\n"
- "in vec2 texCoords;\n"
- "out vec4 out_color;\n"
- "\n"
- "void main()\n"
- "{\n"
- " out_color = %s(texSampler, texCoords);\n"
- " gl_FragDepth = out_color.r;\n"
- "}\n",
- _mesa_is_desktop_gl(ctx) ? "130" : "300 es",
- texture_2d ? "sampler2D" : "sampler2DRect",
- texture_2d ? "texture" : "texture2DRect");
- }
-
- vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_source);
- fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_source);
-
- ShaderProg = _mesa_CreateProgramObjectARB();
- _mesa_AttachShader(ShaderProg, fs);
- _mesa_DeleteObjectARB(fs);
- _mesa_AttachShader(ShaderProg, vs);
- _mesa_DeleteObjectARB(vs);
- _mesa_BindAttribLocation(ShaderProg, 0, "position");
- _mesa_BindAttribLocation(ShaderProg, 1, "texcoords");
- link_program_with_debug(ctx, ShaderProg);
- ralloc_free(mem_ctx);
- if (texture_2d)
- blit->ShaderProg = ShaderProg;
- else
- blit->RectShaderProg = ShaderProg;
-}
-
-/**
- * Try to do a glBlitFramebuffer using no-copy texturing.
- * We can do this when the src renderbuffer is actually a texture.
- * But if the src buffer == dst buffer we cannot do this.
- *
- * \return new buffer mask indicating the buffers left to blit using the
- * normal path.
- */
-static GLbitfield
-blitframebuffer_texture(struct gl_context *ctx,
- GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter, GLint flipX,
- GLint flipY, GLboolean glsl_version)
-{
- if (mask & GL_COLOR_BUFFER_BIT) {
- const struct gl_framebuffer *drawFb = ctx->DrawBuffer;
- const struct gl_framebuffer *readFb = ctx->ReadBuffer;
- const struct gl_renderbuffer_attachment *drawAtt;
- const struct gl_renderbuffer_attachment *readAtt =
- &readFb->Attachment[readFb->_ColorReadBufferIndex];
-
- if (readAtt && readAtt->Texture) {
- struct blit_state *blit = &ctx->Meta->Blit;
- const GLint dstX = MIN2(dstX0, dstX1);
- const GLint dstY = MIN2(dstY0, dstY1);
- const GLint dstW = abs(dstX1 - dstX0);
- const GLint dstH = abs(dstY1 - dstY0);
- const struct gl_texture_object *texObj = readAtt->Texture;
- const GLuint srcLevel = readAtt->TextureLevel;
- const GLint baseLevelSave = texObj->BaseLevel;
- const GLint maxLevelSave = texObj->MaxLevel;
- const GLenum target = texObj->Target;
- GLuint sampler, samplerSave =
- ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ?
- ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
- int i;
-
- /* Iterate through all draw buffers */
- for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
- int idx = ctx->DrawBuffer->_ColorDrawBufferIndexes[i];
- if (idx == -1)
- continue;
- drawAtt = &drawFb->Attachment[idx];
-
- if (drawAtt->Texture == readAtt->Texture) {
- /* Can't use same texture as both the source and dest. We need
- * to handle overlapping blits and besides, some hw may not
- * support this.
- */
- return mask;
- }
- }
-
- if (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE_ARB) {
- /* Can't handle other texture types at this time */
- return mask;
- }
-
- /* Choose between glsl version and fixed function version of
- * BlitFramebuffer function.
- */
- if (glsl_version) {
- setup_glsl_blit_framebuffer(ctx, blit, target);
- if (target == GL_TEXTURE_2D)
- _mesa_UseProgram(blit->ShaderProg);
- else
- _mesa_UseProgram(blit->RectShaderProg);
- }
- else {
- setup_ff_blit_framebuffer(ctx, &ctx->Meta->Blit);
- }
-
- _mesa_BindVertexArray(blit->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, blit->VBO);
-
- _mesa_GenSamplers(1, &sampler);
- _mesa_BindSampler(ctx->Texture.CurrentUnit, sampler);
-
- /*
- printf("Blit from texture!\n");
- printf(" srcAtt %p dstAtt %p\n", readAtt, drawAtt);
- printf(" srcTex %p dstText %p\n", texObj, drawAtt->Texture);
- */
-
- /* Prepare src texture state */
- _mesa_BindTexture(target, texObj->Name);
- _mesa_SamplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, filter);
- _mesa_SamplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, filter);
- if (target != GL_TEXTURE_RECTANGLE_ARB) {
- _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, srcLevel);
- _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel);
- }
- _mesa_SamplerParameteri(sampler, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- _mesa_SamplerParameteri(sampler, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
- /* Always do our blits with no sRGB decode or encode. Note that
- * GL_FRAMEBUFFER_SRGB has already been disabled by
- * _mesa_meta_begin().
- */
- if (ctx->Extensions.EXT_texture_sRGB_decode) {
- _mesa_SamplerParameteri(sampler, GL_TEXTURE_SRGB_DECODE_EXT,
- GL_SKIP_DECODE_EXT);
- }
-
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- _mesa_set_enable(ctx, target, GL_TRUE);
- }
-
- /* Prepare vertex data (the VBO was previously created and bound) */
- {
- struct vertex {
- GLfloat x, y, s, t;
- };
- struct vertex verts[4];
- GLfloat s0, t0, s1, t1;
-
- if (target == GL_TEXTURE_2D) {
- const struct gl_texture_image *texImage
- = _mesa_select_tex_image(ctx, texObj, target, srcLevel);
- s0 = srcX0 / (float) texImage->Width;
- s1 = srcX1 / (float) texImage->Width;
- t0 = srcY0 / (float) texImage->Height;
- t1 = srcY1 / (float) texImage->Height;
- }
- else {
- assert(target == GL_TEXTURE_RECTANGLE_ARB);
- s0 = (float) srcX0;
- s1 = (float) srcX1;
- t0 = (float) srcY0;
- t1 = (float) srcY1;
- }
-
- /* setup vertex positions */
- verts[0].x = -1.0F * flipX;
- verts[0].y = -1.0F * flipY;
- verts[1].x = 1.0F * flipX;
- verts[1].y = -1.0F * flipY;
- verts[2].x = 1.0F * flipX;
- verts[2].y = 1.0F * flipY;
- verts[3].x = -1.0F * flipX;
- verts[3].y = 1.0F * flipY;
-
- verts[0].s = s0;
- verts[0].t = t0;
- verts[1].s = s1;
- verts[1].t = t0;
- verts[2].s = s1;
- verts[2].t = t1;
- verts[3].s = s0;
- verts[3].t = t1;
-
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- }
-
- /* setup viewport */
- _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
- _mesa_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
- _mesa_DepthMask(GL_FALSE);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
- /* Restore texture object state, the texture binding will
- * be restored by _mesa_meta_end().
- */
- if (target != GL_TEXTURE_RECTANGLE_ARB) {
- _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, baseLevelSave);
- _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave);
- }
-
- _mesa_BindSampler(ctx->Texture.CurrentUnit, samplerSave);
- _mesa_DeleteSamplers(1, &sampler);
-
- /* Done with color buffer */
- mask &= ~GL_COLOR_BUFFER_BIT;
- }
- }
-
- return mask;
-}
-
-
-/**
- * Meta implementation of ctx->Driver.BlitFramebuffer() in terms
- * of texture mapping and polygon rendering.
- */
-void
-_mesa_meta_BlitFramebuffer(struct gl_context *ctx,
- GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- struct blit_state *blit = &ctx->Meta->Blit;
- struct temp_texture *tex = get_temp_texture(ctx);
- struct temp_texture *depthTex = get_temp_depth_texture(ctx);
- const GLsizei maxTexSize = tex->MaxSize;
- const GLint srcX = MIN2(srcX0, srcX1);
- const GLint srcY = MIN2(srcY0, srcY1);
- const GLint srcW = abs(srcX1 - srcX0);
- const GLint srcH = abs(srcY1 - srcY0);
- const GLint dstX = MIN2(dstX0, dstX1);
- const GLint dstY = MIN2(dstY0, dstY1);
- const GLint dstW = abs(dstX1 - dstX0);
- const GLint dstH = abs(dstY1 - dstY0);
- const GLint srcFlipX = (srcX1 - srcX0) / srcW;
- const GLint srcFlipY = (srcY1 - srcY0) / srcH;
- const GLint dstFlipX = (dstX1 - dstX0) / dstW;
- const GLint dstFlipY = (dstY1 - dstY0) / dstH;
- const GLint flipX = srcFlipX * dstFlipX;
- const GLint flipY = srcFlipY * dstFlipY;
-
- struct vertex {
- GLfloat x, y, s, t;
- };
- struct vertex verts[4];
- GLboolean newTex;
- const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
- ctx->Extensions.ARB_fragment_shader &&
- (ctx->API != API_OPENGLES);
-
- /* In addition to falling back if the blit size is larger than the maximum
- * texture size, fallback if the source is multisampled. This fallback can
- * be removed once Mesa gets support ARB_texture_multisample.
- */
- if (srcW > maxTexSize || srcH > maxTexSize
- || ctx->ReadBuffer->Visual.samples > 0) {
- /* XXX avoid this fallback */
- _swrast_BlitFramebuffer(ctx, srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1, mask, filter);
- return;
- }
-
- /* only scissor effects blit so save/clear all other relevant state */
- _mesa_meta_begin(ctx, ~MESA_META_SCISSOR);
-
- /* Try faster, direct texture approach first */
- mask = blitframebuffer_texture(ctx, srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1, mask, filter,
- dstFlipX, dstFlipY, use_glsl_version);
- if (mask == 0x0) {
- _mesa_meta_end(ctx);
- return;
- }
-
- /* Choose between glsl version and fixed function version of
- * BlitFramebuffer function.
- */
- if (use_glsl_version) {
- setup_glsl_blit_framebuffer(ctx, blit, tex->Target);
- if (tex->Target == GL_TEXTURE_2D)
- _mesa_UseProgram(blit->ShaderProg);
- else
- _mesa_UseProgram(blit->RectShaderProg);
- }
- else {
- setup_ff_blit_framebuffer(ctx, blit);
- }
-
- _mesa_BindVertexArray(blit->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, blit->VBO);
-
- /* Continue with "normal" approach which involves copying the src rect
- * into a temporary texture and is "blitted" by drawing a textured quad.
- */
- {
- /* setup vertex positions */
- verts[0].x = -1.0F * flipX;
- verts[0].y = -1.0F * flipY;
- verts[1].x = 1.0F * flipX;
- verts[1].y = -1.0F * flipY;
- verts[2].x = 1.0F * flipX;
- verts[2].y = 1.0F * flipY;
- verts[3].x = -1.0F * flipX;
- verts[3].y = 1.0F * flipY;
-
- }
-
- /* glEnable() in gles2 and gles3 doesn't allow GL_TEXTURE_{1D, 2D, etc.}
- * tokens.
- */
- if (_mesa_is_desktop_gl(ctx) || ctx->API == API_OPENGLES)
- _mesa_set_enable(ctx, tex->Target, GL_TRUE);
-
- if (mask & GL_COLOR_BUFFER_BIT) {
- const struct gl_framebuffer *readFb = ctx->ReadBuffer;
- const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
- const GLenum rb_base_format =
- _mesa_base_tex_format(ctx, colorReadRb->InternalFormat);
-
- /* Using the exact source rectangle to create the texture does incorrect
- * linear filtering along the edges. So, allocate the texture extended along
- * edges by one pixel in x, y directions.
- */
- newTex = alloc_texture(tex, srcW + 2, srcH + 2, rb_base_format);
- setup_copypix_texture(ctx, tex, newTex,
- srcX - 1, srcY - 1, srcW + 2, srcH + 2,
- rb_base_format, filter);
- /* texcoords (after texture allocation!) */
- {
- verts[0].s = 1.0F;
- verts[0].t = 1.0F;
- verts[1].s = tex->Sright - 1.0F;
- verts[1].t = 1.0F;
- verts[2].s = tex->Sright - 1.0F;
- verts[2].t = tex->Ttop - 1.0F;
- verts[3].s = 1.0F;
- verts[3].t = tex->Ttop - 1.0F;
-
- /* upload new vertex data */
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- }
-
- _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
- _mesa_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
- _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_FALSE);
- _mesa_DepthMask(GL_FALSE);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
- mask &= ~GL_COLOR_BUFFER_BIT;
- }
-
- if ((mask & GL_DEPTH_BUFFER_BIT) &&
- _mesa_is_desktop_gl(ctx) &&
- ctx->Extensions.ARB_depth_texture &&
- ctx->Extensions.ARB_fragment_program) {
-
- GLuint *tmp = malloc(srcW * srcH * sizeof(GLuint));
-
- if (tmp) {
-
- newTex = alloc_texture(depthTex, srcW, srcH, GL_DEPTH_COMPONENT);
- _mesa_ReadPixels(srcX, srcY, srcW, srcH, GL_DEPTH_COMPONENT,
- GL_UNSIGNED_INT, tmp);
- setup_drawpix_texture(ctx, depthTex, newTex, GL_DEPTH_COMPONENT,
- srcW, srcH, GL_DEPTH_COMPONENT,
- GL_UNSIGNED_INT, tmp);
-
- /* texcoords (after texture allocation!) */
- {
- verts[0].s = 0.0F;
- verts[0].t = 0.0F;
- verts[1].s = depthTex->Sright;
- verts[1].t = 0.0F;
- verts[2].s = depthTex->Sright;
- verts[2].t = depthTex->Ttop;
- verts[3].s = 0.0F;
- verts[3].t = depthTex->Ttop;
-
- /* upload new vertex data */
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- }
-
- if (!blit->DepthFP)
- init_blit_depth_pixels(ctx);
-
- _mesa_BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP);
- _mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB, GL_TRUE);
- _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
- _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_TRUE);
- _mesa_DepthFunc(GL_ALWAYS);
- _mesa_DepthMask(GL_TRUE);
-
- _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
- mask &= ~GL_DEPTH_BUFFER_BIT;
-
- free(tmp);
- }
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- /* XXX can't easily do stencil */
- }
-
- if (_mesa_is_desktop_gl(ctx) || ctx->API == API_OPENGLES)
- _mesa_set_enable(ctx, tex->Target, GL_FALSE);
-
- _mesa_meta_end(ctx);
-
- if (mask) {
- _swrast_BlitFramebuffer(ctx, srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1, mask, filter);
- }
-}
-
-static void
-meta_glsl_blit_cleanup(struct gl_context *ctx, struct blit_state *blit)
-{
- if (blit->ArrayObj) {
- _mesa_DeleteVertexArrays(1, &blit->ArrayObj);
- blit->ArrayObj = 0;
- _mesa_DeleteBuffers(1, &blit->VBO);
- blit->VBO = 0;
- }
- if (blit->DepthFP) {
- _mesa_DeleteProgramsARB(1, &blit->DepthFP);
- blit->DepthFP = 0;
- }
-
- _mesa_DeleteObjectARB(blit->ShaderProg);
- blit->ShaderProg = 0;
- _mesa_DeleteObjectARB(blit->RectShaderProg);
- blit->RectShaderProg = 0;
-
- _mesa_DeleteTextures(1, &blit->depthTex.TexObj);
- blit->depthTex.TexObj = 0;
-}
-
-
-/**
- * Meta implementation of ctx->Driver.Clear() in terms of polygon rendering.
- */
-void
-_mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers)
-{
- struct clear_state *clear = &ctx->Meta->Clear;
- struct vertex {
- GLfloat x, y, z, r, g, b, a;
- };
- struct vertex verts[4];
- /* save all state but scissor, pixel pack/unpack */
- GLbitfield metaSave = (MESA_META_ALL -
- MESA_META_SCISSOR -
- MESA_META_PIXEL_STORE -
- MESA_META_CONDITIONAL_RENDER -
- MESA_META_FRAMEBUFFER_SRGB);
- const GLuint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
-
- if (buffers & BUFFER_BITS_COLOR) {
- /* if clearing color buffers, don't save/restore colormask */
- metaSave -= MESA_META_COLOR_MASK;
- }
-
- _mesa_meta_begin(ctx, metaSave);
-
- if (clear->ArrayObj == 0) {
- /* one-time setup */
-
- /* create vertex array object */
- _mesa_GenVertexArrays(1, &clear->ArrayObj);
- _mesa_BindVertexArray(clear->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &clear->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, clear->VBO);
-
- /* setup vertex arrays */
- _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_ColorPointer(4, GL_FLOAT, sizeof(struct vertex), OFFSET(r));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_COLOR_ARRAY);
- }
- else {
- _mesa_BindVertexArray(clear->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, clear->VBO);
- }
-
- /* GL_COLOR_BUFFER_BIT */
- if (buffers & BUFFER_BITS_COLOR) {
- /* leave colormask, glDrawBuffer state as-is */
-
- /* Clears never have the color clamped. */
- if (ctx->Extensions.ARB_color_buffer_float)
- _mesa_ClampColor(GL_CLAMP_FRAGMENT_COLOR, GL_FALSE);
- }
- else {
- ASSERT(metaSave & MESA_META_COLOR_MASK);
- _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
- }
-
- /* GL_DEPTH_BUFFER_BIT */
- if (buffers & BUFFER_BIT_DEPTH) {
- _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_TRUE);
- _mesa_DepthFunc(GL_ALWAYS);
- _mesa_DepthMask(GL_TRUE);
- }
- else {
- assert(!ctx->Depth.Test);
- }
-
- /* GL_STENCIL_BUFFER_BIT */
- if (buffers & BUFFER_BIT_STENCIL) {
- _mesa_set_enable(ctx, GL_STENCIL_TEST, GL_TRUE);
- _mesa_StencilOpSeparate(GL_FRONT_AND_BACK,
- GL_REPLACE, GL_REPLACE, GL_REPLACE);
- _mesa_StencilFuncSeparate(GL_FRONT_AND_BACK, GL_ALWAYS,
- ctx->Stencil.Clear & stencilMax,
- ctx->Stencil.WriteMask[0]);
- }
- else {
- assert(!ctx->Stencil.Enabled);
- }
-
- /* vertex positions/colors */
- {
- const GLfloat x0 = (GLfloat) ctx->DrawBuffer->_Xmin;
- const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin;
- const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax;
- const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax;
- const GLfloat z = invert_z(ctx->Depth.Clear);
- GLuint i;
-
- verts[0].x = x0;
- verts[0].y = y0;
- verts[0].z = z;
- verts[1].x = x1;
- verts[1].y = y0;
- verts[1].z = z;
- verts[2].x = x1;
- verts[2].y = y1;
- verts[2].z = z;
- verts[3].x = x0;
- verts[3].y = y1;
- verts[3].z = z;
-
- /* vertex colors */
- for (i = 0; i < 4; i++) {
- verts[i].r = ctx->Color.ClearColor.f[0];
- verts[i].g = ctx->Color.ClearColor.f[1];
- verts[i].b = ctx->Color.ClearColor.f[2];
- verts[i].a = ctx->Color.ClearColor.f[3];
- }
-
- /* upload new vertex data */
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts,
- GL_DYNAMIC_DRAW_ARB);
- }
-
- /* draw quad */
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
- _mesa_meta_end(ctx);
-}
-
-static void
-meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
-{
- const char *vs_source =
- "attribute vec4 position;\n"
- "void main()\n"
- "{\n"
- " gl_Position = position;\n"
- "}\n";
- const char *gs_source =
- "#version 150\n"
- "layout(triangles) in;\n"
- "layout(triangle_strip, max_vertices = 4) out;\n"
- "uniform int layer;\n"
- "void main()\n"
- "{\n"
- " for (int i = 0; i < 3; i++) {\n"
- " gl_Layer = layer;\n"
- " gl_Position = gl_in[i].gl_Position;\n"
- " EmitVertex();\n"
- " }\n"
- "}\n";
- const char *fs_source =
- "#ifdef GL_ES\n"
- "precision highp float;\n"
- "#endif\n"
- "uniform vec4 color;\n"
- "void main()\n"
- "{\n"
- " gl_FragColor = color;\n"
- "}\n";
- GLuint vs, gs = 0, fs;
- bool has_integer_textures;
-
- if (clear->ArrayObj != 0)
- return;
-
- /* create vertex array object */
- _mesa_GenVertexArrays(1, &clear->ArrayObj);
- _mesa_BindVertexArray(clear->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &clear->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, clear->VBO);
-
- /* setup vertex arrays */
- _mesa_VertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void *)0);
- _mesa_EnableVertexAttribArray(0);
-
- vs = _mesa_CreateShaderObjectARB(GL_VERTEX_SHADER);
- _mesa_ShaderSource(vs, 1, &vs_source, NULL);
- _mesa_CompileShader(vs);
-
- if (_mesa_has_geometry_shaders(ctx)) {
- gs = _mesa_CreateShaderObjectARB(GL_GEOMETRY_SHADER);
- _mesa_ShaderSource(gs, 1, &gs_source, NULL);
- _mesa_CompileShader(gs);
- }
-
- fs = _mesa_CreateShaderObjectARB(GL_FRAGMENT_SHADER);
- _mesa_ShaderSource(fs, 1, &fs_source, NULL);
- _mesa_CompileShader(fs);
-
- clear->ShaderProg = _mesa_CreateProgramObjectARB();
+ clear->ShaderProg = _mesa_CreateProgram();
_mesa_AttachShader(clear->ShaderProg, fs);
- _mesa_DeleteObjectARB(fs);
- if (gs != 0)
- _mesa_AttachShader(clear->ShaderProg, gs);
+ _mesa_DeleteShader(fs);
_mesa_AttachShader(clear->ShaderProg, vs);
- _mesa_DeleteObjectARB(vs);
+ _mesa_DeleteShader(vs);
_mesa_BindAttribLocation(clear->ShaderProg, 0, "position");
+ _mesa_ObjectLabel(GL_PROGRAM, clear->ShaderProg, -1, "meta clear");
_mesa_LinkProgram(clear->ShaderProg);
- clear->ColorLocation = _mesa_GetUniformLocation(clear->ShaderProg,
- "color");
- if (gs != 0) {
- clear->LayerLocation = _mesa_GetUniformLocation(clear->ShaderProg,
- "layer");
- }
+ clear->ColorLocation = _mesa_GetUniformLocation(clear->ShaderProg, "color");
has_integer_textures = _mesa_is_gles3(ctx) ||
(_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130);
void *shader_source_mem_ctx = ralloc_context(NULL);
const char *vs_int_source =
ralloc_asprintf(shader_source_mem_ctx,
- "#version %s\n"
+ "#version 130\n"
+ "#extension GL_AMD_vertex_shader_layer : enable\n"
+ "#extension GL_ARB_draw_instanced : enable\n"
"in vec4 position;\n"
"void main()\n"
"{\n"
+ "#ifdef GL_AMD_vertex_shader_layer\n"
+ " gl_Layer = gl_InstanceID;\n"
+ "#endif\n"
" gl_Position = position;\n"
- "}\n",
- _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
+ "}\n");
const char *fs_int_source =
ralloc_asprintf(shader_source_mem_ctx,
- "#version %s\n"
- "#ifdef GL_ES\n"
- "precision highp float;\n"
- "#endif\n"
+ "#version 130\n"
"uniform ivec4 color;\n"
"out ivec4 out_color;\n"
"\n"
"void main()\n"
"{\n"
" out_color = color;\n"
- "}\n",
- _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
+ "}\n");
- vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_int_source);
- fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_int_source);
+ vs = _mesa_meta_compile_shader_with_debug(ctx, GL_VERTEX_SHADER,
+ vs_int_source);
+ fs = _mesa_meta_compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER,
+ fs_int_source);
ralloc_free(shader_source_mem_ctx);
- clear->IntegerShaderProg = _mesa_CreateProgramObjectARB();
+ clear->IntegerShaderProg = _mesa_CreateProgram();
_mesa_AttachShader(clear->IntegerShaderProg, fs);
- _mesa_DeleteObjectARB(fs);
- if (gs != 0)
- _mesa_AttachShader(clear->IntegerShaderProg, gs);
+ _mesa_DeleteShader(fs);
_mesa_AttachShader(clear->IntegerShaderProg, vs);
- _mesa_DeleteObjectARB(vs);
+ _mesa_DeleteShader(vs);
_mesa_BindAttribLocation(clear->IntegerShaderProg, 0, "position");
/* Note that user-defined out attributes get automatically assigned
* BindFragDataLocation to 0.
*/
- link_program_with_debug(ctx, clear->IntegerShaderProg);
+ _mesa_ObjectLabel(GL_PROGRAM, clear->IntegerShaderProg, -1,
+ "integer clear");
+ _mesa_meta_link_program_with_debug(ctx, clear->IntegerShaderProg);
clear->IntegerColorLocation =
_mesa_GetUniformLocation(clear->IntegerShaderProg, "color");
- if (gs != 0) {
- clear->IntegerLayerLocation =
- _mesa_GetUniformLocation(clear->IntegerShaderProg, "layer");
- }
}
- if (gs != 0)
- _mesa_DeleteObjectARB(gs);
}
static void
-meta_glsl_clear_cleanup(struct gl_context *ctx, struct clear_state *clear)
+meta_glsl_clear_cleanup(struct clear_state *clear)
{
- if (clear->ArrayObj == 0)
+ if (clear->VAO == 0)
return;
- _mesa_DeleteVertexArrays(1, &clear->ArrayObj);
- clear->ArrayObj = 0;
+ _mesa_DeleteVertexArrays(1, &clear->VAO);
+ clear->VAO = 0;
_mesa_DeleteBuffers(1, &clear->VBO);
clear->VBO = 0;
- _mesa_DeleteObjectARB(clear->ShaderProg);
+ _mesa_DeleteProgram(clear->ShaderProg);
clear->ShaderProg = 0;
if (clear->IntegerShaderProg) {
- _mesa_DeleteObjectARB(clear->IntegerShaderProg);
+ _mesa_DeleteProgram(clear->IntegerShaderProg);
clear->IntegerShaderProg = 0;
}
}
/**
- * Meta implementation of ctx->Driver.Clear() in terms of polygon rendering.
+ * Given a bitfield of BUFFER_BIT_x draw buffers, call glDrawBuffers to
+ * set GL to only draw to those buffers.
+ *
+ * Since the bitfield has no associated order, the assignment of draw buffer
+ * indices to color attachment indices is rather arbitrary.
*/
void
-_mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers)
+_mesa_meta_drawbuffers_from_bitfield(GLbitfield bits)
+{
+ GLenum enums[MAX_DRAW_BUFFERS];
+ int i = 0;
+ int n;
+
+ /* This function is only legal for color buffer bitfields. */
+ assert((bits & ~BUFFER_BITS_COLOR) == 0);
+
+ /* Make sure we don't overflow any arrays. */
+ assert(_mesa_bitcount(bits) <= MAX_DRAW_BUFFERS);
+
+ enums[0] = GL_NONE;
+
+ if (bits & BUFFER_BIT_FRONT_LEFT)
+ enums[i++] = GL_FRONT_LEFT;
+
+ if (bits & BUFFER_BIT_FRONT_RIGHT)
+ enums[i++] = GL_FRONT_RIGHT;
+
+ if (bits & BUFFER_BIT_BACK_LEFT)
+ enums[i++] = GL_BACK_LEFT;
+
+ if (bits & BUFFER_BIT_BACK_RIGHT)
+ enums[i++] = GL_BACK_RIGHT;
+
+ for (n = 0; n < MAX_COLOR_ATTACHMENTS; n++) {
+ if (bits & (1 << (BUFFER_COLOR0 + n)))
+ enums[i++] = GL_COLOR_ATTACHMENT0 + n;
+ }
+
+ _mesa_DrawBuffers(i, enums);
+}
+
+/**
+ * Meta implementation of ctx->Driver.Clear() in terms of polygon rendering.
+ */
+static void
+meta_clear(struct gl_context *ctx, GLbitfield buffers, bool glsl)
{
struct clear_state *clear = &ctx->Meta->Clear;
GLbitfield metaSave;
const GLuint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
struct gl_framebuffer *fb = ctx->DrawBuffer;
- const float x0 = ((float)fb->_Xmin / fb->Width) * 2.0f - 1.0f;
- const float y0 = ((float)fb->_Ymin / fb->Height) * 2.0f - 1.0f;
- const float x1 = ((float)fb->_Xmax / fb->Width) * 2.0f - 1.0f;
- const float y1 = ((float)fb->_Ymax / fb->Height) * 2.0f - 1.0f;
- const float z = -invert_z(ctx->Depth.Clear);
- struct vertex {
- GLfloat x, y, z;
- } verts[4];
+ float x0, y0, x1, y1, z;
+ struct vertex verts[4];
+ int i;
metaSave = (MESA_META_ALPHA_TEST |
MESA_META_BLEND |
MESA_META_MULTISAMPLE |
MESA_META_OCCLUSION_QUERY);
- if (!(buffers & BUFFER_BITS_COLOR)) {
+ if (!glsl) {
+ metaSave |= MESA_META_FOG |
+ MESA_META_PIXEL_TRANSFER |
+ MESA_META_TRANSFORM |
+ MESA_META_TEXTURE |
+ MESA_META_CLAMP_VERTEX_COLOR |
+ MESA_META_SELECT_FEEDBACK;
+ }
+
+ if (buffers & BUFFER_BITS_COLOR) {
+ metaSave |= MESA_META_DRAW_BUFFERS;
+ } else {
/* We'll use colormask to disable color writes. Otherwise,
* respect color mask
*/
_mesa_meta_begin(ctx, metaSave);
- meta_glsl_clear_init(ctx, clear);
+ if (glsl) {
+ meta_glsl_clear_init(ctx, clear);
+
+ x0 = ((float) fb->_Xmin / fb->Width) * 2.0f - 1.0f;
+ y0 = ((float) fb->_Ymin / fb->Height) * 2.0f - 1.0f;
+ x1 = ((float) fb->_Xmax / fb->Width) * 2.0f - 1.0f;
+ y1 = ((float) fb->_Ymax / fb->Height) * 2.0f - 1.0f;
+ z = -invert_z(ctx->Depth.Clear);
+ } else {
+ _mesa_meta_setup_vertex_objects(&clear->VAO, &clear->VBO, false, 3, 0, 4);
+
+ x0 = (float) fb->_Xmin;
+ y0 = (float) fb->_Ymin;
+ x1 = (float) fb->_Xmax;
+ y1 = (float) fb->_Ymax;
+ z = invert_z(ctx->Depth.Clear);
+ }
if (fb->_IntegerColor) {
+ assert(glsl);
_mesa_UseProgram(clear->IntegerShaderProg);
_mesa_Uniform4iv(clear->IntegerColorLocation, 1,
ctx->Color.ClearColor.i);
- } else {
+ } else if (glsl) {
_mesa_UseProgram(clear->ShaderProg);
_mesa_Uniform4fv(clear->ColorLocation, 1,
ctx->Color.ClearColor.f);
}
- _mesa_BindVertexArray(clear->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, clear->VBO);
-
/* GL_COLOR_BUFFER_BIT */
if (buffers & BUFFER_BITS_COLOR) {
- /* leave colormask, glDrawBuffer state as-is */
+ /* Only draw to the buffers we were asked to clear. */
+ _mesa_meta_drawbuffers_from_bitfield(buffers & BUFFER_BITS_COLOR);
+
+ /* leave colormask state as-is */
/* Clears never have the color clamped. */
if (ctx->Extensions.ARB_color_buffer_float)
verts[3].y = y1;
verts[3].z = z;
+ if (!glsl) {
+ for (i = 0; i < 4; i++) {
+ verts[i].r = ctx->Color.ClearColor.f[0];
+ verts[i].g = ctx->Color.ClearColor.f[1];
+ verts[i].b = ctx->Color.ClearColor.f[2];
+ verts[i].a = ctx->Color.ClearColor.f[3];
+ }
+ }
+
/* upload new vertex data */
_mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts,
GL_DYNAMIC_DRAW_ARB);
/* draw quad(s) */
if (fb->MaxNumLayers > 0) {
- unsigned layer;
- for (layer = 0; layer < fb->MaxNumLayers; layer++) {
- if (fb->_IntegerColor)
- _mesa_Uniform1i(clear->IntegerLayerLocation, layer);
- else
- _mesa_Uniform1i(clear->LayerLocation, layer);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
- }
+ _mesa_DrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, fb->MaxNumLayers);
} else {
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
GLint dstX, GLint dstY, GLenum type)
{
struct copypix_state *copypix = &ctx->Meta->CopyPix;
- struct temp_texture *tex = get_temp_texture(ctx);
- struct vertex {
- GLfloat x, y, z, s, t;
- };
+ struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
struct vertex verts[4];
- GLboolean newTex;
- GLenum intFormat = GL_RGBA;
if (type != GL_COLOR ||
ctx->_ImageTransferState ||
MESA_META_VERTEX |
MESA_META_VIEWPORT));
- if (copypix->ArrayObj == 0) {
- /* one-time setup */
-
- /* create vertex array object */
- _mesa_GenVertexArrays(1, ©pix->ArrayObj);
- _mesa_BindVertexArray(copypix->ArrayObj);
+ _mesa_meta_setup_vertex_objects(©pix->VAO, ©pix->VBO, false,
+ 3, 2, 0);
- /* create vertex array buffer */
- _mesa_GenBuffers(1, ©pix->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, copypix->VBO);
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- NULL, GL_DYNAMIC_DRAW_ARB);
-
- /* setup vertex arrays */
- _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
- }
- else {
- _mesa_BindVertexArray(copypix->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, copypix->VBO);
- }
+ /* Silence valgrind warnings about reading uninitialized stack. */
+ memset(verts, 0, sizeof(verts));
- newTex = alloc_texture(tex, width, height, intFormat);
+ /* Alloc/setup texture */
+ _mesa_meta_setup_copypix_texture(ctx, tex, srcX, srcY, width, height,
+ GL_RGBA, GL_NEAREST);
/* vertex positions, texcoords (after texture allocation!) */
{
verts[0].x = dstX0;
verts[0].y = dstY0;
verts[0].z = z;
- verts[0].s = 0.0F;
- verts[0].t = 0.0F;
+ verts[0].tex[0] = 0.0F;
+ verts[0].tex[1] = 0.0F;
verts[1].x = dstX1;
verts[1].y = dstY0;
verts[1].z = z;
- verts[1].s = tex->Sright;
- verts[1].t = 0.0F;
+ verts[1].tex[0] = tex->Sright;
+ verts[1].tex[1] = 0.0F;
verts[2].x = dstX1;
verts[2].y = dstY1;
verts[2].z = z;
- verts[2].s = tex->Sright;
- verts[2].t = tex->Ttop;
+ verts[2].tex[0] = tex->Sright;
+ verts[2].tex[1] = tex->Ttop;
verts[3].x = dstX0;
verts[3].y = dstY1;
verts[3].z = z;
- verts[3].s = 0.0F;
- verts[3].t = tex->Ttop;
+ verts[3].tex[0] = 0.0F;
+ verts[3].tex[1] = tex->Ttop;
/* upload new vertex data */
_mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
}
- /* Alloc/setup texture */
- setup_copypix_texture(ctx, tex, newTex, srcX, srcY, width, height,
- GL_RGBA, GL_NEAREST);
-
_mesa_set_enable(ctx, tex->Target, GL_TRUE);
/* draw textured quad */
_mesa_meta_end(ctx);
}
+static void
+meta_drawpix_cleanup(struct drawpix_state *drawpix)
+{
+ if (drawpix->VAO != 0) {
+ _mesa_DeleteVertexArrays(1, &drawpix->VAO);
+ drawpix->VAO = 0;
+ _mesa_DeleteBuffers(1, &drawpix->VBO);
+ drawpix->VBO = 0;
+ }
+
+ if (drawpix->StencilFP != 0) {
+ _mesa_DeleteProgramsARB(1, &drawpix->StencilFP);
+ drawpix->StencilFP = 0;
+ }
+
+ if (drawpix->DepthFP != 0) {
+ _mesa_DeleteProgramsARB(1, &drawpix->DepthFP);
+ drawpix->DepthFP = 0;
+ }
+}
/**
* When the glDrawPixels() image size is greater than the max rectangle
"END \n";
char program2[1000];
struct drawpix_state *drawpix = &ctx->Meta->DrawPix;
- struct temp_texture *tex = get_temp_texture(ctx);
+ struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
const char *texTarget;
assert(drawpix->StencilFP == 0);
"END \n";
char program2[200];
struct drawpix_state *drawpix = &ctx->Meta->DrawPix;
- struct temp_texture *tex = get_temp_texture(ctx);
+ struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
const char *texTarget;
assert(drawpix->DepthFP == 0);
const GLvoid *pixels)
{
struct drawpix_state *drawpix = &ctx->Meta->DrawPix;
- struct temp_texture *tex = get_temp_texture(ctx);
+ struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
const struct gl_pixelstore_attrib unpackSave = ctx->Unpack;
const GLuint origStencilMask = ctx->Stencil.WriteMask[0];
- struct vertex {
- GLfloat x, y, z, s, t;
- };
struct vertex verts[4];
GLenum texIntFormat;
GLboolean fallback, newTex;
GLbitfield metaExtraSave = 0x0;
- GLuint vbo;
/*
* Determine if we can do the glDrawPixels with texture mapping.
MESA_META_VIEWPORT |
metaExtraSave));
- newTex = alloc_texture(tex, width, height, texIntFormat);
+ newTex = _mesa_meta_alloc_texture(tex, width, height, texIntFormat);
+
+ _mesa_meta_setup_vertex_objects(&drawpix->VAO, &drawpix->VBO, false,
+ 3, 2, 0);
+
+ /* Silence valgrind warnings about reading uninitialized stack. */
+ memset(verts, 0, sizeof(verts));
/* vertex positions, texcoords (after texture allocation!) */
{
verts[0].x = x0;
verts[0].y = y0;
verts[0].z = z;
- verts[0].s = 0.0F;
- verts[0].t = 0.0F;
+ verts[0].tex[0] = 0.0F;
+ verts[0].tex[1] = 0.0F;
verts[1].x = x1;
verts[1].y = y0;
verts[1].z = z;
- verts[1].s = tex->Sright;
- verts[1].t = 0.0F;
+ verts[1].tex[0] = tex->Sright;
+ verts[1].tex[1] = 0.0F;
verts[2].x = x1;
verts[2].y = y1;
verts[2].z = z;
- verts[2].s = tex->Sright;
- verts[2].t = tex->Ttop;
+ verts[2].tex[0] = tex->Sright;
+ verts[2].tex[1] = tex->Ttop;
verts[3].x = x0;
verts[3].y = y1;
verts[3].z = z;
- verts[3].s = 0.0F;
- verts[3].t = tex->Ttop;
+ verts[3].tex[0] = 0.0F;
+ verts[3].tex[1] = tex->Ttop;
}
- if (drawpix->ArrayObj == 0) {
- /* one-time setup: create vertex array object */
- _mesa_GenVertexArrays(1, &drawpix->ArrayObj);
- }
- _mesa_BindVertexArray(drawpix->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &vbo);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, vbo);
+ /* upload new vertex data */
_mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
verts, GL_DYNAMIC_DRAW_ARB);
- /* setup vertex arrays */
- _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
-
/* set given unpack params */
ctx->Unpack = *unpack;
if (!drawpix->StencilFP)
init_draw_stencil_pixels(ctx);
- setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height,
- GL_ALPHA, type, pixels);
+ _mesa_meta_setup_drawpix_texture(ctx, tex, newTex, width, height,
+ GL_ALPHA, type, pixels);
_mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
_mesa_ProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0,
ctx->Current.RasterColor);
- setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height,
- format, type, pixels);
+ _mesa_meta_setup_drawpix_texture(ctx, tex, newTex, width, height,
+ format, type, pixels);
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
else {
/* Drawing RGBA */
- setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height,
- format, type, pixels);
+ _mesa_meta_setup_drawpix_texture(ctx, tex, newTex, width, height,
+ format, type, pixels);
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
_mesa_set_enable(ctx, tex->Target, GL_FALSE);
- _mesa_DeleteBuffers(1, &vbo);
-
/* restore unpack params */
ctx->Unpack = unpackSave;
const GLenum texIntFormat = GL_ALPHA;
const struct gl_pixelstore_attrib unpackSave = *unpack;
GLubyte fg, bg;
- struct vertex {
- GLfloat x, y, z, s, t, r, g, b, a;
- };
struct vertex verts[4];
GLboolean newTex;
GLubyte *bitmap8;
if (ctx->_ImageTransferState ||
ctx->FragmentProgram._Enabled ||
ctx->Fog.Enabled ||
- ctx->Texture._EnabledUnits ||
+ ctx->Texture._MaxEnabledTexImageUnit != -1 ||
width > tex->MaxSize ||
height > tex->MaxSize) {
_swrast_Bitmap(ctx, x, y, width, height, unpack, bitmap1);
MESA_META_VERTEX |
MESA_META_VIEWPORT));
- if (bitmap->ArrayObj == 0) {
- /* one-time setup */
-
- /* create vertex array object */
- _mesa_GenVertexArraysAPPLE(1, &bitmap->ArrayObj);
- _mesa_BindVertexArrayAPPLE(bitmap->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &bitmap->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, bitmap->VBO);
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- NULL, GL_DYNAMIC_DRAW_ARB);
-
- /* setup vertex arrays */
- _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s));
- _mesa_ColorPointer(4, GL_FLOAT, sizeof(struct vertex), OFFSET(r));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
- _mesa_EnableClientState(GL_COLOR_ARRAY);
- }
- else {
- _mesa_BindVertexArray(bitmap->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, bitmap->VBO);
- }
+ _mesa_meta_setup_vertex_objects(&bitmap->VAO, &bitmap->VBO, false, 3, 2, 4);
- newTex = alloc_texture(tex, width, height, texIntFormat);
+ newTex = _mesa_meta_alloc_texture(tex, width, height, texIntFormat);
+
+ /* Silence valgrind warnings about reading uninitialized stack. */
+ memset(verts, 0, sizeof(verts));
/* vertex positions, texcoords, colors (after texture allocation!) */
{
verts[0].x = x0;
verts[0].y = y0;
verts[0].z = z;
- verts[0].s = 0.0F;
- verts[0].t = 0.0F;
+ verts[0].tex[0] = 0.0F;
+ verts[0].tex[1] = 0.0F;
verts[1].x = x1;
verts[1].y = y0;
verts[1].z = z;
- verts[1].s = tex->Sright;
- verts[1].t = 0.0F;
+ verts[1].tex[0] = tex->Sright;
+ verts[1].tex[1] = 0.0F;
verts[2].x = x1;
verts[2].y = y1;
verts[2].z = z;
- verts[2].s = tex->Sright;
- verts[2].t = tex->Ttop;
+ verts[2].tex[0] = tex->Sright;
+ verts[2].tex[1] = tex->Ttop;
verts[3].x = x0;
verts[3].y = y1;
verts[3].z = z;
- verts[3].s = 0.0F;
- verts[3].t = tex->Ttop;
+ verts[3].tex[0] = 0.0F;
+ verts[3].tex[1] = tex->Ttop;
for (i = 0; i < 4; i++) {
verts[i].r = ctx->Current.RasterColor[0];
_mesa_set_enable(ctx, GL_ALPHA_TEST, GL_TRUE);
_mesa_AlphaFunc(GL_NOTEQUAL, UBYTE_TO_FLOAT(bg));
- setup_drawpix_texture(ctx, tex, newTex, texIntFormat, width, height,
- GL_ALPHA, GL_UNSIGNED_BYTE, bitmap8);
+ _mesa_meta_setup_drawpix_texture(ctx, tex, newTex, width, height,
+ GL_ALPHA, GL_UNSIGNED_BYTE, bitmap8);
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
_mesa_meta_end(ctx);
}
-
-/**
- * Check if the call to _mesa_meta_GenerateMipmap() will require a
- * software fallback. The fallback path will require that the texture
- * images are mapped.
- * \return GL_TRUE if a fallback is needed, GL_FALSE otherwise
- */
-GLboolean
-_mesa_meta_check_generate_mipmap_fallback(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj)
-{
- const GLuint fboSave = ctx->DrawBuffer->Name;
- struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap;
- struct gl_texture_image *baseImage;
- GLuint srcLevel;
- GLenum status;
-
- /* check for fallbacks */
- if (target == GL_TEXTURE_3D ||
- target == GL_TEXTURE_1D_ARRAY ||
- target == GL_TEXTURE_2D_ARRAY) {
- _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
- "glGenerateMipmap() to %s target\n",
- _mesa_lookup_enum_by_nr(target));
- return GL_TRUE;
- }
-
- srcLevel = texObj->BaseLevel;
- baseImage = _mesa_select_tex_image(ctx, texObj, target, srcLevel);
- if (!baseImage) {
- _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
- "glGenerateMipmap() couldn't find base teximage\n");
- return GL_TRUE;
- }
-
- if (_mesa_is_format_compressed(baseImage->TexFormat)) {
- _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
- "glGenerateMipmap() with %s format\n",
- _mesa_get_format_name(baseImage->TexFormat));
- return GL_TRUE;
- }
-
- if (_mesa_get_format_color_encoding(baseImage->TexFormat) == GL_SRGB &&
- !ctx->Extensions.EXT_texture_sRGB_decode) {
- /* The texture format is sRGB but we can't turn off sRGB->linear
- * texture sample conversion. So we won't be able to generate the
- * right colors when rendering. Need to use a fallback.
- */
- _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
- "glGenerateMipmap() of sRGB texture without "
- "sRGB decode\n");
- return GL_TRUE;
- }
-
- /*
- * Test that we can actually render in the texture's format.
- */
- if (!mipmap->FBO)
- _mesa_GenFramebuffers(1, &mipmap->FBO);
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
-
- if (target == GL_TEXTURE_1D) {
- _mesa_FramebufferTexture1D(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- target, texObj->Name, srcLevel);
- }
-#if 0
- /* other work is needed to enable 3D mipmap generation */
- else if (target == GL_TEXTURE_3D) {
- GLint zoffset = 0;
- _mesa_FramebufferTexture3D(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- target, texObj->Name, srcLevel, zoffset);
- }
-#endif
- else {
- /* 2D / cube */
- _mesa_FramebufferTexture2D(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- target, texObj->Name, srcLevel);
- }
-
- status = _mesa_CheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
-
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, fboSave);
-
- if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
- "glGenerateMipmap() got incomplete FBO\n");
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
/**
* Compute the texture coordinates for the four vertices of a quad for
* drawing a 2D texture image or slice of a cube/3D texture.
* \param height height of the texture image
* \param coords0/1/2/3 returns the computed texcoords
*/
-static void
-setup_texture_coords(GLenum faceTarget,
- GLint slice,
- GLint width,
- GLint height,
- GLint depth,
- GLfloat coords0[3],
- GLfloat coords1[3],
- GLfloat coords2[3],
- GLfloat coords3[3])
+void
+_mesa_meta_setup_texture_coords(GLenum faceTarget,
+ GLint slice,
+ GLint width,
+ GLint height,
+ GLint depth,
+ GLfloat coords0[4],
+ GLfloat coords1[4],
+ GLfloat coords2[4],
+ GLfloat coords3[4])
{
static const GLfloat st[4][2] = {
{0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f}
GLuint i;
GLfloat r;
+ if (faceTarget == GL_TEXTURE_CUBE_MAP_ARRAY)
+ faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + slice % 6;
+
+ /* Currently all texture targets want the W component to be 1.0.
+ */
+ coords0[3] = 1.0F;
+ coords1[3] = 1.0F;
+ coords2[3] = 1.0F;
+ coords3[3] = 1.0F;
+
switch (faceTarget) {
case GL_TEXTURE_1D:
case GL_TEXTURE_2D:
/* loop over quad verts */
for (i = 0; i < 4; i++) {
/* Compute sc = +/-scale and tc = +/-scale.
- * Not +/-1 to avoid cube face selection ambiguity near the edges,
- * though that can still sometimes happen with this scale factor...
- */
- const GLfloat scale = 0.9999f;
- const GLfloat sc = (2.0f * st[i][0] - 1.0f) * scale;
- const GLfloat tc = (2.0f * st[i][1] - 1.0f) * scale;
- GLfloat *coord;
-
- switch (i) {
- case 0:
- coord = coords0;
- break;
- case 1:
- coord = coords1;
- break;
- case 2:
- coord = coords2;
- break;
- case 3:
- coord = coords3;
- break;
- default:
- assert(0);
- }
-
- switch (faceTarget) {
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- coord[0] = 1.0f;
- coord[1] = -tc;
- coord[2] = -sc;
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- coord[0] = -1.0f;
- coord[1] = -tc;
- coord[2] = sc;
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- coord[0] = sc;
- coord[1] = 1.0f;
- coord[2] = tc;
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- coord[0] = sc;
- coord[1] = -1.0f;
- coord[2] = -tc;
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- coord[0] = sc;
- coord[1] = -tc;
- coord[2] = 1.0f;
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- coord[0] = -sc;
- coord[1] = -tc;
- coord[2] = -1.0f;
- break;
- default:
- assert(0);
- }
- }
- break;
- default:
- assert(0 && "unexpected target in meta setup_texture_coords()");
- }
-}
-
-
-static void
-setup_ff_generate_mipmap(struct gl_context *ctx,
- struct gen_mipmap_state *mipmap)
-{
- struct vertex {
- GLfloat x, y, tex[3];
- };
-
- if (mipmap->ArrayObj == 0) {
- /* one-time setup */
- /* create vertex array object */
- _mesa_GenVertexArraysAPPLE(1, &mipmap->ArrayObj);
- _mesa_BindVertexArrayAPPLE(mipmap->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &mipmap->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, mipmap->VBO);
- /* setup vertex arrays */
- _mesa_VertexPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_TexCoordPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(tex));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
- }
-
- /* setup projection matrix */
- _mesa_MatrixMode(GL_PROJECTION);
- _mesa_LoadIdentity();
- _mesa_Ortho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
-}
-
-
-static struct glsl_sampler *
-setup_texture_sampler(GLenum target, struct gen_mipmap_state *mipmap)
-{
- switch(target) {
- case GL_TEXTURE_1D:
- mipmap->sampler_1d.type = "sampler1D";
- mipmap->sampler_1d.func = "texture1D";
- mipmap->sampler_1d.texcoords = "texCoords.x";
- return &mipmap->sampler_1d;
- case GL_TEXTURE_2D:
- mipmap->sampler_2d.type = "sampler2D";
- mipmap->sampler_2d.func = "texture2D";
- mipmap->sampler_2d.texcoords = "texCoords.xy";
- return &mipmap->sampler_2d;
- case GL_TEXTURE_3D:
- /* Code for mipmap generation with 3D textures is not used yet.
- * It's a sw fallback.
- */
- mipmap->sampler_3d.type = "sampler3D";
- mipmap->sampler_3d.func = "texture3D";
- mipmap->sampler_3d.texcoords = "texCoords";
- return &mipmap->sampler_3d;
- case GL_TEXTURE_CUBE_MAP:
- mipmap->sampler_cubemap.type = "samplerCube";
- mipmap->sampler_cubemap.func = "textureCube";
- mipmap->sampler_cubemap.texcoords = "texCoords";
- return &mipmap->sampler_cubemap;
- case GL_TEXTURE_1D_ARRAY:
- mipmap->sampler_1d_array.type = "sampler1DArray";
- mipmap->sampler_1d_array.func = "texture1DArray";
- mipmap->sampler_1d_array.texcoords = "texCoords.xy";
- return &mipmap->sampler_1d_array;
- case GL_TEXTURE_2D_ARRAY:
- mipmap->sampler_2d_array.type = "sampler2DArray";
- mipmap->sampler_2d_array.func = "texture2DArray";
- mipmap->sampler_2d_array.texcoords = "texCoords";
- return &mipmap->sampler_2d_array;
- default:
- _mesa_problem(NULL, "Unexpected texture target 0x%x in"
- " setup_texture_sampler()\n", target);
- return NULL;
- }
-}
-
-
-static void
-setup_glsl_generate_mipmap(struct gl_context *ctx,
- struct gen_mipmap_state *mipmap,
- GLenum target)
-{
- struct vertex {
- GLfloat x, y, tex[3];
- };
- struct glsl_sampler *sampler;
- const char *vs_source;
- char *fs_source;
- GLuint vs, fs;
- void *mem_ctx;
-
- /* Check if already initialized */
- if (mipmap->ArrayObj == 0) {
-
- /* create vertex array object */
- _mesa_GenVertexArrays(1, &mipmap->ArrayObj);
- _mesa_BindVertexArray(mipmap->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &mipmap->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, mipmap->VBO);
-
- /* setup vertex arrays */
- _mesa_VertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE,
- sizeof(struct vertex), OFFSET(x));
- _mesa_VertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE,
- sizeof(struct vertex), OFFSET(tex));
- _mesa_EnableVertexAttribArray(0);
- _mesa_EnableVertexAttribArray(1);
- }
-
- /* Generate a fragment shader program appropriate for the texture target */
- sampler = setup_texture_sampler(target, mipmap);
- assert(sampler != NULL);
- if (sampler->shader_prog != 0) {
- mipmap->ShaderProg = sampler->shader_prog;
- return;
- }
-
- mem_ctx = ralloc_context(NULL);
-
- if (ctx->API == API_OPENGLES2 || ctx->Const.GLSLVersion < 130) {
- vs_source =
- "attribute vec2 position;\n"
- "attribute vec3 textureCoords;\n"
- "varying vec3 texCoords;\n"
- "void main()\n"
- "{\n"
- " texCoords = textureCoords;\n"
- " gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n";
-
- fs_source = ralloc_asprintf(mem_ctx,
- "#extension GL_EXT_texture_array : enable\n"
- "#ifdef GL_ES\n"
- "precision highp float;\n"
- "#endif\n"
- "uniform %s texSampler;\n"
- "varying vec3 texCoords;\n"
- "void main()\n"
- "{\n"
- " gl_FragColor = %s(texSampler, %s);\n"
- "}\n",
- sampler->type,
- sampler->func, sampler->texcoords);
- }
- else {
- vs_source = ralloc_asprintf(mem_ctx,
- "#version %s\n"
- "in vec2 position;\n"
- "in vec3 textureCoords;\n"
- "out vec3 texCoords;\n"
- "void main()\n"
- "{\n"
- " texCoords = textureCoords;\n"
- " gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n",
- _mesa_is_desktop_gl(ctx) ? "130" : "300 es");
- fs_source = ralloc_asprintf(mem_ctx,
- "#version %s\n"
- "#ifdef GL_ES\n"
- "precision highp float;\n"
- "#endif\n"
- "uniform %s texSampler;\n"
- "in vec3 texCoords;\n"
- "out vec4 out_color;\n"
- "\n"
- "void main()\n"
- "{\n"
- " out_color = texture(texSampler, %s);\n"
- "}\n",
- _mesa_is_desktop_gl(ctx) ? "130" : "300 es",
- sampler->type,
- sampler->texcoords);
- }
-
- vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_source);
- fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_source);
-
- mipmap->ShaderProg = _mesa_CreateProgramObjectARB();
- _mesa_AttachShader(mipmap->ShaderProg, fs);
- _mesa_DeleteObjectARB(fs);
- _mesa_AttachShader(mipmap->ShaderProg, vs);
- _mesa_DeleteObjectARB(vs);
- _mesa_BindAttribLocation(mipmap->ShaderProg, 0, "position");
- _mesa_BindAttribLocation(mipmap->ShaderProg, 1, "texcoords");
- link_program_with_debug(ctx, mipmap->ShaderProg);
- sampler->shader_prog = mipmap->ShaderProg;
- ralloc_free(mem_ctx);
-}
-
-
-static void
-meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
- struct gen_mipmap_state *mipmap)
-{
- if (mipmap->ArrayObj == 0)
- return;
- _mesa_DeleteVertexArrays(1, &mipmap->ArrayObj);
- mipmap->ArrayObj = 0;
- _mesa_DeleteBuffers(1, &mipmap->VBO);
- mipmap->VBO = 0;
-
- _mesa_DeleteObjectARB(mipmap->sampler_1d.shader_prog);
- _mesa_DeleteObjectARB(mipmap->sampler_2d.shader_prog);
- _mesa_DeleteObjectARB(mipmap->sampler_3d.shader_prog);
- _mesa_DeleteObjectARB(mipmap->sampler_cubemap.shader_prog);
- _mesa_DeleteObjectARB(mipmap->sampler_1d_array.shader_prog);
- _mesa_DeleteObjectARB(mipmap->sampler_2d_array.shader_prog);
-
- mipmap->sampler_1d.shader_prog = 0;
- mipmap->sampler_2d.shader_prog = 0;
- mipmap->sampler_3d.shader_prog = 0;
- mipmap->sampler_cubemap.shader_prog = 0;
- mipmap->sampler_1d_array.shader_prog = 0;
- mipmap->sampler_2d_array.shader_prog = 0;
-}
-
-
-/**
- * Called via ctx->Driver.GenerateMipmap()
- * Note: We don't yet support 3D textures, 1D/2D array textures or texture
- * borders.
- */
-void
-_mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj)
-{
- struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap;
- struct vertex {
- GLfloat x, y, tex[3];
- };
- struct vertex verts[4];
- const GLuint baseLevel = texObj->BaseLevel;
- const GLuint maxLevel = texObj->MaxLevel;
- const GLint maxLevelSave = texObj->MaxLevel;
- const GLboolean genMipmapSave = texObj->GenerateMipmap;
- const GLuint fboSave = ctx->DrawBuffer->Name;
- const GLuint currentTexUnitSave = ctx->Texture.CurrentUnit;
- const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
- ctx->Extensions.ARB_fragment_shader &&
- (ctx->API != API_OPENGLES);
- GLenum faceTarget;
- GLuint dstLevel;
- const GLint slice = 0;
- GLuint samplerSave;
-
- if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, texObj)) {
- _mesa_generate_mipmap(ctx, target, texObj);
- return;
- }
-
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) {
- faceTarget = target;
- target = GL_TEXTURE_CUBE_MAP;
- }
- else {
- faceTarget = target;
- }
-
- _mesa_meta_begin(ctx, MESA_META_ALL);
-
- /* Choose between glsl version and fixed function version of
- * GenerateMipmap function.
- */
- if (use_glsl_version) {
- setup_glsl_generate_mipmap(ctx, mipmap, target);
- _mesa_UseProgram(mipmap->ShaderProg);
- }
- else {
- setup_ff_generate_mipmap(ctx, mipmap);
- _mesa_set_enable(ctx, target, GL_TRUE);
- }
-
- _mesa_BindVertexArray(mipmap->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, mipmap->VBO);
-
- samplerSave = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ?
- ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
-
- if (currentTexUnitSave != 0)
- _mesa_BindTexture(target, texObj->Name);
-
- if (!mipmap->FBO) {
- _mesa_GenFramebuffers(1, &mipmap->FBO);
- }
-
- if (!mipmap->Sampler) {
- _mesa_GenSamplers(1, &mipmap->Sampler);
- _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
-
- _mesa_SamplerParameteri(mipmap->Sampler,
- GL_TEXTURE_MIN_FILTER,
- GL_LINEAR_MIPMAP_LINEAR);
- _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
-
- /* We don't want to encode or decode sRGB values; treat them as linear.
- * This is not technically correct for GLES3 but we don't get any API
- * error at the moment.
- */
- if (ctx->Extensions.EXT_texture_sRGB_decode) {
- _mesa_SamplerParameteri(mipmap->Sampler, GL_TEXTURE_SRGB_DECODE_EXT,
- GL_SKIP_DECODE_EXT);
- }
-
- } else {
- _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
- }
-
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
-
- if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES)
- _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);
- else
- assert(!genMipmapSave);
-
- /* Setup texture coordinates */
- setup_texture_coords(faceTarget,
- slice,
- 0, 0, 1, /* width, height never used here */
- verts[0].tex,
- verts[1].tex,
- verts[2].tex,
- verts[3].tex);
-
- /* setup vertex positions */
- verts[0].x = -1.0F;
- verts[0].y = -1.0F;
- verts[1].x = 1.0F;
- verts[1].y = -1.0F;
- verts[2].x = 1.0F;
- verts[2].y = 1.0F;
- verts[3].x = -1.0F;
- verts[3].y = 1.0F;
-
- /* upload vertex data */
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- verts, GL_DYNAMIC_DRAW_ARB);
-
- /* texture is already locked, unlock now */
- _mesa_unlock_texture(ctx, texObj);
-
- for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) {
- const struct gl_texture_image *srcImage;
- const GLuint srcLevel = dstLevel - 1;
- GLsizei srcWidth, srcHeight, srcDepth;
- GLsizei dstWidth, dstHeight, dstDepth;
- GLenum status;
-
- srcImage = _mesa_select_tex_image(ctx, texObj, faceTarget, srcLevel);
- assert(srcImage->Border == 0);
-
- /* src size */
- srcWidth = srcImage->Width;
- srcHeight = srcImage->Height;
- srcDepth = srcImage->Depth;
-
- /* new dst size */
- dstWidth = MAX2(1, srcWidth / 2);
- dstHeight = MAX2(1, srcHeight / 2);
- dstDepth = MAX2(1, srcDepth / 2);
-
- if (dstWidth == srcImage->Width &&
- dstHeight == srcImage->Height &&
- dstDepth == srcImage->Depth) {
- /* all done */
- break;
- }
-
- /* Allocate storage for the destination mipmap image(s) */
-
- /* Set MaxLevel large enough to hold the new level when we allocate it */
- _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, dstLevel);
-
- if (!_mesa_prepare_mipmap_level(ctx, texObj, dstLevel,
- dstWidth, dstHeight, dstDepth,
- srcImage->Border,
- srcImage->InternalFormat,
- srcImage->TexFormat)) {
- /* All done. We either ran out of memory or we would go beyond the
- * last valid level of an immutable texture if we continued.
- */
- break;
- }
-
- /* limit minification to src level */
- _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel);
-
- /* Set to draw into the current dstLevel */
- if (target == GL_TEXTURE_1D) {
- _mesa_FramebufferTexture1D(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- target,
- texObj->Name,
- dstLevel);
- }
- else if (target == GL_TEXTURE_3D) {
- GLint zoffset = 0; /* XXX unfinished */
- _mesa_FramebufferTexture3D(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- target,
- texObj->Name,
- dstLevel, zoffset);
- }
- else {
- /* 2D / cube */
- _mesa_FramebufferTexture2D(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- faceTarget,
- texObj->Name,
- dstLevel);
- }
-
- _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
-
- /* sanity check */
- status = _mesa_CheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
- if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_problem(ctx, "Unexpected incomplete framebuffer in "
- "_mesa_meta_GenerateMipmap()");
- break;
- }
+ * Not +/-1 to avoid cube face selection ambiguity near the edges,
+ * though that can still sometimes happen with this scale factor...
+ */
+ const GLfloat scale = 0.9999f;
+ const GLfloat sc = (2.0f * st[i][0] - 1.0f) * scale;
+ const GLfloat tc = (2.0f * st[i][1] - 1.0f) * scale;
+ GLfloat *coord;
- assert(dstWidth == ctx->DrawBuffer->Width);
- assert(dstHeight == ctx->DrawBuffer->Height);
+ switch (i) {
+ case 0:
+ coord = coords0;
+ break;
+ case 1:
+ coord = coords1;
+ break;
+ case 2:
+ coord = coords2;
+ break;
+ case 3:
+ coord = coords3;
+ break;
+ default:
+ unreachable("not reached");
+ }
- /* setup viewport */
- _mesa_set_viewport(ctx, 0, 0, 0, dstWidth, dstHeight);
+ coord[3] = (float) (slice / 6);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
+ switch (faceTarget) {
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ coord[0] = 1.0f;
+ coord[1] = -tc;
+ coord[2] = -sc;
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ coord[0] = -1.0f;
+ coord[1] = -tc;
+ coord[2] = sc;
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ coord[0] = sc;
+ coord[1] = 1.0f;
+ coord[2] = tc;
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ coord[0] = sc;
+ coord[1] = -1.0f;
+ coord[2] = -tc;
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ coord[0] = sc;
+ coord[1] = -tc;
+ coord[2] = 1.0f;
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ coord[0] = -sc;
+ coord[1] = -tc;
+ coord[2] = -1.0f;
+ break;
+ default:
+ assert(0);
+ }
+ }
+ break;
+ default:
+ assert(!"unexpected target in _mesa_meta_setup_texture_coords()");
}
+}
- _mesa_lock_texture(ctx, texObj); /* relock */
-
- _mesa_BindSampler(ctx->Texture.CurrentUnit, samplerSave);
-
- _mesa_meta_end(ctx);
-
- _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave);
- if (genMipmapSave)
- _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, genMipmapSave);
-
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, fboSave);
+static struct blit_shader *
+choose_blit_shader(GLenum target, struct blit_shader_table *table)
+{
+ switch(target) {
+ case GL_TEXTURE_1D:
+ table->sampler_1d.type = "sampler1D";
+ table->sampler_1d.func = "texture1D";
+ table->sampler_1d.texcoords = "texCoords.x";
+ return &table->sampler_1d;
+ case GL_TEXTURE_2D:
+ table->sampler_2d.type = "sampler2D";
+ table->sampler_2d.func = "texture2D";
+ table->sampler_2d.texcoords = "texCoords.xy";
+ return &table->sampler_2d;
+ case GL_TEXTURE_RECTANGLE:
+ table->sampler_rect.type = "sampler2DRect";
+ table->sampler_rect.func = "texture2DRect";
+ table->sampler_rect.texcoords = "texCoords.xy";
+ return &table->sampler_rect;
+ case GL_TEXTURE_3D:
+ /* Code for mipmap generation with 3D textures is not used yet.
+ * It's a sw fallback.
+ */
+ table->sampler_3d.type = "sampler3D";
+ table->sampler_3d.func = "texture3D";
+ table->sampler_3d.texcoords = "texCoords.xyz";
+ return &table->sampler_3d;
+ case GL_TEXTURE_CUBE_MAP:
+ table->sampler_cubemap.type = "samplerCube";
+ table->sampler_cubemap.func = "textureCube";
+ table->sampler_cubemap.texcoords = "texCoords.xyz";
+ return &table->sampler_cubemap;
+ case GL_TEXTURE_1D_ARRAY:
+ table->sampler_1d_array.type = "sampler1DArray";
+ table->sampler_1d_array.func = "texture1DArray";
+ table->sampler_1d_array.texcoords = "texCoords.xy";
+ return &table->sampler_1d_array;
+ case GL_TEXTURE_2D_ARRAY:
+ table->sampler_2d_array.type = "sampler2DArray";
+ table->sampler_2d_array.func = "texture2DArray";
+ table->sampler_2d_array.texcoords = "texCoords.xyz";
+ return &table->sampler_2d_array;
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ table->sampler_cubemap_array.type = "samplerCubeArray";
+ table->sampler_cubemap_array.func = "textureCubeArray";
+ table->sampler_cubemap_array.texcoords = "texCoords.xyzw";
+ return &table->sampler_cubemap_array;
+ default:
+ _mesa_problem(NULL, "Unexpected texture target 0x%x in"
+ " setup_texture_sampler()\n", target);
+ return NULL;
+ }
}
+void
+_mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table)
+{
+ _mesa_DeleteProgram(table->sampler_1d.shader_prog);
+ _mesa_DeleteProgram(table->sampler_2d.shader_prog);
+ _mesa_DeleteProgram(table->sampler_3d.shader_prog);
+ _mesa_DeleteProgram(table->sampler_rect.shader_prog);
+ _mesa_DeleteProgram(table->sampler_cubemap.shader_prog);
+ _mesa_DeleteProgram(table->sampler_1d_array.shader_prog);
+ _mesa_DeleteProgram(table->sampler_2d_array.shader_prog);
+ _mesa_DeleteProgram(table->sampler_cubemap_array.shader_prog);
+
+ table->sampler_1d.shader_prog = 0;
+ table->sampler_2d.shader_prog = 0;
+ table->sampler_3d.shader_prog = 0;
+ table->sampler_rect.shader_prog = 0;
+ table->sampler_cubemap.shader_prog = 0;
+ table->sampler_1d_array.shader_prog = 0;
+ table->sampler_2d_array.shader_prog = 0;
+ table->sampler_cubemap_array.shader_prog = 0;
+}
/**
* Determine the GL data type to use for the temporary image read with
* ReadPixels() and passed to Tex[Sub]Image().
*/
static GLenum
-get_temp_image_type(struct gl_context *ctx, gl_format format)
+get_temp_image_type(struct gl_context *ctx, mesa_format format)
{
- GLenum baseFormat;
-
- baseFormat = _mesa_get_format_base_format(format);
+ const GLenum baseFormat = _mesa_get_format_base_format(format);
+ const GLenum datatype = _mesa_get_format_datatype(format);
+ const GLint format_red_bits = _mesa_get_format_bits(format, GL_RED_BITS);
switch (baseFormat) {
case GL_RGBA:
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
case GL_INTENSITY:
- if (ctx->DrawBuffer->Visual.redBits <= 8) {
+ if (datatype == GL_INT || datatype == GL_UNSIGNED_INT) {
+ return datatype;
+ } else if (format_red_bits <= 8) {
return GL_UNSIGNED_BYTE;
- } else if (ctx->DrawBuffer->Visual.redBits <= 16) {
+ } else if (format_red_bits <= 16) {
return GL_UNSIGNED_SHORT;
- } else {
- GLenum datatype = _mesa_get_format_datatype(format);
- if (datatype == GL_INT || datatype == GL_UNSIGNED_INT)
- return datatype;
- return GL_FLOAT;
}
- case GL_DEPTH_COMPONENT: {
- GLenum datatype = _mesa_get_format_datatype(format);
+ return GL_FLOAT;
+ case GL_DEPTH_COMPONENT:
if (datatype == GL_FLOAT)
return GL_FLOAT;
else
return GL_UNSIGNED_INT;
- }
- case GL_DEPTH_STENCIL: {
- GLenum datatype = _mesa_get_format_datatype(format);
+ case GL_DEPTH_STENCIL:
if (datatype == GL_FLOAT)
return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
else
return GL_UNSIGNED_INT_24_8;
- }
default:
_mesa_problem(ctx, "Unexpected format %d in get_temp_image_type()",
baseFormat);
}
}
+/**
+ * Attempts to wrap the destination texture in an FBO and use
+ * glBlitFramebuffer() to implement glCopyTexSubImage().
+ */
+static bool
+copytexsubimage_using_blit_framebuffer(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint xoffset,
+ GLint yoffset,
+ GLint zoffset,
+ struct gl_renderbuffer *rb,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height)
+{
+ struct gl_texture_object *texObj = texImage->TexObject;
+ GLuint fbo;
+ bool success = false;
+ GLbitfield mask;
+ GLenum status;
+
+ if (!ctx->Extensions.ARB_framebuffer_object)
+ return false;
+
+ _mesa_unlock_texture(ctx, texObj);
+
+ _mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_DRAW_BUFFERS);
+
+ _mesa_GenFramebuffers(1, &fbo);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+
+ if (rb->_BaseFormat == GL_DEPTH_STENCIL ||
+ rb->_BaseFormat == GL_DEPTH_COMPONENT) {
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ texImage, zoffset);
+ mask = GL_DEPTH_BUFFER_BIT;
+
+ if (rb->_BaseFormat == GL_DEPTH_STENCIL &&
+ texImage->_BaseFormat == GL_DEPTH_STENCIL) {
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
+ texImage, zoffset);
+ mask |= GL_STENCIL_BUFFER_BIT;
+ }
+ _mesa_DrawBuffer(GL_NONE);
+ } else {
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ texImage, zoffset);
+ mask = GL_COLOR_BUFFER_BIT;
+ _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
+ }
+
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ goto out;
+
+ ctx->Meta->Blit.no_ctsi_fallback = true;
+
+ /* Since we've bound a new draw framebuffer, we need to update
+ * its derived state -- _Xmin, etc -- for BlitFramebuffer's clipping to
+ * be correct.
+ */
+ _mesa_update_state(ctx);
+
+ /* We skip the core BlitFramebuffer checks for format consistency, which
+ * are too strict for CopyTexImage. We know meta will be fine with format
+ * changes.
+ */
+ mask = _mesa_meta_BlitFramebuffer(ctx, x, y,
+ x + width, y + height,
+ xoffset, yoffset,
+ xoffset + width, yoffset + height,
+ mask, GL_NEAREST);
+ ctx->Meta->Blit.no_ctsi_fallback = false;
+ success = mask == 0x0;
+
+ out:
+ _mesa_lock_texture(ctx, texObj);
+ _mesa_DeleteFramebuffers(1, &fbo);
+ _mesa_meta_end(ctx);
+ return success;
+}
/**
* Helper for _mesa_meta_CopyTexSubImage1/2/3D() functions.
GLint bpp;
void *buf;
+ if (copytexsubimage_using_blit_framebuffer(ctx, dims,
+ texImage,
+ xoffset, yoffset, zoffset,
+ rb,
+ x, y,
+ width, height)) {
+ return;
+ }
+
/* Choose format/type for temporary image buffer */
format = _mesa_get_format_base_format(texImage->TexFormat);
if (format == GL_LUMINANCE ||
free(buf);
}
+static void
+meta_decompress_fbo_cleanup(struct decompress_fbo_state *decompress_fbo)
+{
+ if (decompress_fbo->FBO != 0) {
+ _mesa_DeleteFramebuffers(1, &decompress_fbo->FBO);
+ _mesa_DeleteRenderbuffers(1, &decompress_fbo->RBO);
+ }
+
+ memset(decompress_fbo, 0, sizeof(*decompress_fbo));
+}
+
+static void
+meta_decompress_cleanup(struct decompress_state *decompress)
+{
+ meta_decompress_fbo_cleanup(&decompress->byteFBO);
+ meta_decompress_fbo_cleanup(&decompress->floatFBO);
+
+ if (decompress->VAO != 0) {
+ _mesa_DeleteVertexArrays(1, &decompress->VAO);
+ _mesa_DeleteBuffers(1, &decompress->VBO);
+ }
+
+ if (decompress->Sampler != 0)
+ _mesa_DeleteSamplers(1, &decompress->Sampler);
+
+ memset(decompress, 0, sizeof(*decompress));
+}
/**
* Decompress a texture image by drawing a quad with the compressed
* \param dest destination buffer
* \param destRowLength dest image rowLength (ala GL_PACK_ROW_LENGTH)
*/
-static void
+static bool
decompress_texture_image(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLuint slice,
GLvoid *dest)
{
struct decompress_state *decompress = &ctx->Meta->Decompress;
+ struct decompress_fbo_state *decompress_fbo;
struct gl_texture_object *texObj = texImage->TexObject;
const GLint width = texImage->Width;
const GLint height = texImage->Height;
const GLint depth = texImage->Height;
const GLenum target = texObj->Target;
+ GLenum rbFormat;
GLenum faceTarget;
- struct vertex {
- GLfloat x, y, tex[3];
- };
struct vertex verts[4];
- GLuint fboDrawSave, fboReadSave;
- GLuint rbSave;
GLuint samplerSave;
+ GLenum status;
+ const bool use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
+ ctx->Extensions.ARB_fragment_shader;
+
+ switch (_mesa_get_format_datatype(texImage->TexFormat)) {
+ case GL_FLOAT:
+ decompress_fbo = &decompress->floatFBO;
+ rbFormat = GL_RGBA32F;
+ break;
+ case GL_UNSIGNED_NORMALIZED:
+ decompress_fbo = &decompress->byteFBO;
+ rbFormat = GL_RGBA;
+ break;
+ default:
+ return false;
+ }
if (slice > 0) {
assert(target == GL_TEXTURE_3D ||
- target == GL_TEXTURE_2D_ARRAY);
+ target == GL_TEXTURE_2D_ARRAY ||
+ target == GL_TEXTURE_CUBE_MAP_ARRAY);
}
- if (target == GL_TEXTURE_CUBE_MAP) {
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_1D_ARRAY:
+ assert(!"No compressed 1D textures.");
+ return false;
+
+ case GL_TEXTURE_3D:
+ assert(!"No compressed 3D textures.");
+ return false;
+
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + (slice % 6);
+ break;
+
+ case GL_TEXTURE_CUBE_MAP:
faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + texImage->Face;
- }
- else {
+ break;
+
+ default:
faceTarget = target;
+ break;
}
- /* save fbo bindings (not saved by _mesa_meta_begin()) */
- fboDrawSave = ctx->DrawBuffer->Name;
- fboReadSave = ctx->ReadBuffer->Name;
- rbSave = ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
-
- _mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_PIXEL_STORE);
+ _mesa_meta_begin(ctx, MESA_META_ALL & ~(MESA_META_PIXEL_STORE |
+ MESA_META_DRAW_BUFFERS));
samplerSave = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ?
ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
/* Create/bind FBO/renderbuffer */
- if (decompress->FBO == 0) {
- _mesa_GenFramebuffers(1, &decompress->FBO);
- _mesa_GenRenderbuffers(1, &decompress->RBO);
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, decompress->FBO);
- _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, decompress->RBO);
+ if (decompress_fbo->FBO == 0) {
+ _mesa_GenFramebuffers(1, &decompress_fbo->FBO);
+ _mesa_GenRenderbuffers(1, &decompress_fbo->RBO);
+ _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, decompress_fbo->FBO);
+ _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, decompress_fbo->RBO);
_mesa_FramebufferRenderbuffer(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT,
GL_RENDERBUFFER_EXT,
- decompress->RBO);
+ decompress_fbo->RBO);
}
else {
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, decompress->FBO);
+ _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, decompress_fbo->FBO);
}
/* alloc dest surface */
- if (width > decompress->Width || height > decompress->Height) {
- _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, decompress->RBO);
- _mesa_RenderbufferStorage(GL_RENDERBUFFER_EXT, GL_RGBA,
- width, height);
- decompress->Width = width;
- decompress->Height = height;
+ if (width > decompress_fbo->Width || height > decompress_fbo->Height) {
+ _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, decompress_fbo->RBO);
+ _mesa_RenderbufferStorage(GL_RENDERBUFFER_EXT, rbFormat,
+ width, height);
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE) {
+ /* If the framebuffer isn't complete then we'll leave
+ * decompress_fbo->Width as zero so that it will fail again next time
+ * too */
+ _mesa_meta_end(ctx);
+ return false;
+ }
+ decompress_fbo->Width = width;
+ decompress_fbo->Height = height;
}
- /* setup VBO data */
- if (decompress->ArrayObj == 0) {
- /* create vertex array object */
- _mesa_GenVertexArrays(1, &decompress->ArrayObj);
- _mesa_BindVertexArray(decompress->ArrayObj);
-
- /* create vertex array buffer */
- _mesa_GenBuffers(1, &decompress->VBO);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, decompress->VBO);
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- NULL, GL_DYNAMIC_DRAW_ARB);
+ if (use_glsl_version) {
+ _mesa_meta_setup_vertex_objects(&decompress->VAO, &decompress->VBO, true,
+ 2, 4, 0);
- /* setup vertex arrays */
- _mesa_VertexPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
- _mesa_TexCoordPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(tex));
- _mesa_EnableClientState(GL_VERTEX_ARRAY);
- _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
- }
- else {
- _mesa_BindVertexArray(decompress->ArrayObj);
- _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, decompress->VBO);
+ _mesa_meta_setup_blit_shader(ctx, target, &decompress->shaders);
+ } else {
+ _mesa_meta_setup_ff_tnl_for_blit(&decompress->VAO, &decompress->VBO, 3);
}
if (!decompress->Sampler) {
_mesa_BindSampler(ctx->Texture.CurrentUnit, decompress->Sampler);
}
- setup_texture_coords(faceTarget, slice, width, height, depth,
- verts[0].tex,
- verts[1].tex,
- verts[2].tex,
- verts[3].tex);
+ /* Silence valgrind warnings about reading uninitialized stack. */
+ memset(verts, 0, sizeof(verts));
+
+ _mesa_meta_setup_texture_coords(faceTarget, slice, width, height, depth,
+ verts[0].tex,
+ verts[1].tex,
+ verts[2].tex,
+ verts[3].tex);
/* setup vertex positions */
- verts[0].x = 0.0F;
- verts[0].y = 0.0F;
- verts[1].x = width;
- verts[1].y = 0.0F;
- verts[2].x = width;
- verts[2].y = height;
- verts[3].x = 0.0F;
- verts[3].y = height;
+ verts[0].x = -1.0F;
+ verts[0].y = -1.0F;
+ verts[1].x = 1.0F;
+ verts[1].y = -1.0F;
+ verts[2].x = 1.0F;
+ verts[2].y = 1.0F;
+ verts[3].x = -1.0F;
+ verts[3].y = 1.0F;
- _mesa_MatrixMode(GL_PROJECTION);
- _mesa_LoadIdentity();
- _mesa_Ortho(0.0, width, 0.0, height, -1.0, 1.0);
_mesa_set_viewport(ctx, 0, 0, 0, width, height);
/* upload new vertex data */
/* setup texture state */
_mesa_BindTexture(target, texObj->Name);
- _mesa_set_enable(ctx, target, GL_TRUE);
+
+ if (!use_glsl_version)
+ _mesa_set_enable(ctx, target, GL_TRUE);
{
/* save texture object state */
}
/* disable texture unit */
- _mesa_set_enable(ctx, target, GL_FALSE);
+ if (!use_glsl_version)
+ _mesa_set_enable(ctx, target, GL_FALSE);
_mesa_BindSampler(ctx->Texture.CurrentUnit, samplerSave);
_mesa_meta_end(ctx);
- /* restore fbo bindings */
- if (fboDrawSave == fboReadSave) {
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, fboDrawSave);
- }
- else {
- _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, fboDrawSave);
- _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER_EXT, fboReadSave);
- }
- _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, rbSave);
+ return true;
}
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage)
{
- /* We can only use the decompress-with-blit method here if the texels are
- * unsigned, normalized values. We could handle signed and unnormalized
- * with floating point renderbuffers...
- */
- if (_mesa_is_format_compressed(texImage->TexFormat) &&
- _mesa_get_format_datatype(texImage->TexFormat)
- == GL_UNSIGNED_NORMALIZED) {
+ if (_mesa_is_format_compressed(texImage->TexFormat)) {
struct gl_texture_object *texObj = texImage->TexObject;
GLuint slice;
+ bool result;
+
/* Need to unlock the texture here to prevent deadlock... */
_mesa_unlock_texture(ctx, texObj);
for (slice = 0; slice < texImage->Depth; slice++) {
void *dst;
- if (texImage->TexObject->Target == GL_TEXTURE_2D_ARRAY) {
+ if (texImage->TexObject->Target == GL_TEXTURE_2D_ARRAY
+ || texImage->TexObject->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
/* Setup pixel packing. SkipPixels and SkipRows will be applied
* in the decompress_texture_image() function's call to
* glReadPixels but we need to compute the dest slice's address
else {
dst = pixels;
}
- decompress_texture_image(ctx, texImage, slice, format, type, dst);
+ result = decompress_texture_image(ctx, texImage, slice,
+ format, type, dst);
+ if (!result)
+ break;
}
/* ... and relock it */
_mesa_lock_texture(ctx, texObj);
+
+ if (result)
+ return;
}
- else {
- _mesa_get_teximage(ctx, format, type, pixels, texImage);
- }
+
+ _mesa_get_teximage(ctx, format, type, pixels, texImage);
}
MESA_META_VERTEX |
MESA_META_VIEWPORT));
- if (drawtex->ArrayObj == 0) {
+ if (drawtex->VAO == 0) {
/* one-time setup */
GLint active_texture;
/* create vertex array object */
- _mesa_GenVertexArrays(1, &drawtex->ArrayObj);
- _mesa_BindVertexArray(drawtex->ArrayObj);
+ _mesa_GenVertexArrays(1, &drawtex->VAO);
+ _mesa_BindVertexArray(drawtex->VAO);
/* create vertex array buffer */
_mesa_GenBuffers(1, &drawtex->VBO);
_mesa_ClientActiveTexture(GL_TEXTURE0 + active_texture);
}
else {
- _mesa_BindVertexArray(drawtex->ArrayObj);
+ _mesa_BindVertexArray(drawtex->VAO);
_mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, drawtex->VBO);
}
GLfloat s, t, s1, t1;
GLuint tw, th;
- if (!ctx->Texture.Unit[i]._ReallyEnabled) {
+ if (!ctx->Texture.Unit[i]._Current) {
GLuint j;
for (j = 0; j < 4; j++) {
verts[j].st[i][0] = 0.0f;
_mesa_meta_end(ctx);
}
+
+static bool
+cleartexsubimage_color(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ const GLvoid *clearValue,
+ GLint zoffset)
+{
+ mesa_format format;
+ union gl_color_union colorValue;
+ GLenum datatype;
+ GLenum status;
+
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ texImage, zoffset);
+
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ return false;
+
+ /* We don't want to apply an sRGB conversion so override the format */
+ format = _mesa_get_srgb_format_linear(texImage->TexFormat);
+ datatype = _mesa_get_format_datatype(format);
+
+ switch (datatype) {
+ case GL_UNSIGNED_INT:
+ case GL_INT:
+ if (clearValue)
+ _mesa_unpack_uint_rgba_row(format, 1, clearValue,
+ (GLuint (*)[4]) colorValue.ui);
+ else
+ memset(&colorValue, 0, sizeof colorValue);
+ if (datatype == GL_INT)
+ _mesa_ClearBufferiv(GL_COLOR, 0, colorValue.i);
+ else
+ _mesa_ClearBufferuiv(GL_COLOR, 0, colorValue.ui);
+ break;
+ default:
+ if (clearValue)
+ _mesa_unpack_rgba_row(format, 1, clearValue,
+ (GLfloat (*)[4]) colorValue.f);
+ else
+ memset(&colorValue, 0, sizeof colorValue);
+ _mesa_ClearBufferfv(GL_COLOR, 0, colorValue.f);
+ break;
+ }
+
+ return true;
+}
+
+static bool
+cleartexsubimage_depth_stencil(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ const GLvoid *clearValue,
+ GLint zoffset)
+{
+ GLint stencilValue;
+ GLfloat depthValue;
+ GLenum status;
+
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ texImage, zoffset);
+
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL)
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
+ texImage, zoffset);
+
+ status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE)
+ return false;
+
+ if (clearValue) {
+ GLuint depthStencilValue[2];
+
+ /* Convert the clearValue from whatever format it's in to a floating
+ * point value for the depth and an integer value for the stencil index
+ */
+ _mesa_unpack_float_32_uint_24_8_depth_stencil_row(texImage->TexFormat,
+ 1, /* n */
+ clearValue,
+ depthStencilValue);
+ /* We need a memcpy here instead of a cast because we need to
+ * reinterpret the bytes as a float rather than converting it
+ */
+ memcpy(&depthValue, depthStencilValue, sizeof depthValue);
+ stencilValue = depthStencilValue[1] & 0xff;
+ } else {
+ depthValue = 0.0f;
+ stencilValue = 0;
+ }
+
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL)
+ _mesa_ClearBufferfi(GL_DEPTH_STENCIL, 0, depthValue, stencilValue);
+ else
+ _mesa_ClearBufferfv(GL_DEPTH, 0, &depthValue);
+
+ return true;
+}
+
+static bool
+cleartexsubimage_for_zoffset(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint zoffset,
+ const GLvoid *clearValue)
+{
+ GLuint fbo;
+ bool success;
+
+ _mesa_GenFramebuffers(1, &fbo);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+
+ switch(texImage->_BaseFormat) {
+ case GL_DEPTH_STENCIL:
+ case GL_DEPTH_COMPONENT:
+ success = cleartexsubimage_depth_stencil(ctx, texImage,
+ clearValue, zoffset);
+ break;
+ default:
+ success = cleartexsubimage_color(ctx, texImage, clearValue, zoffset);
+ break;
+ }
+
+ _mesa_DeleteFramebuffers(1, &fbo);
+
+ return success;
+}
+
+static bool
+cleartexsubimage_using_fbo(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ const GLvoid *clearValue)
+{
+ bool success = true;
+ GLint z;
+
+ _mesa_meta_begin(ctx,
+ MESA_META_SCISSOR |
+ MESA_META_COLOR_MASK |
+ MESA_META_DITHER |
+ MESA_META_FRAMEBUFFER_SRGB);
+
+ _mesa_set_enable(ctx, GL_DITHER, GL_FALSE);
+
+ _mesa_set_enable(ctx, GL_SCISSOR_TEST, GL_TRUE);
+ _mesa_Scissor(xoffset, yoffset, width, height);
+
+ for (z = zoffset; z < zoffset + depth; z++) {
+ if (!cleartexsubimage_for_zoffset(ctx, texImage, z, clearValue)) {
+ success = false;
+ break;
+ }
+ }
+
+ _mesa_meta_end(ctx);
+
+ return success;
+}
+
+extern void
+_mesa_meta_ClearTexSubImage(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ const GLvoid *clearValue)
+{
+ bool res;
+
+ _mesa_unlock_texture(ctx, texImage->TexObject);
+
+ res = cleartexsubimage_using_fbo(ctx, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ clearValue);
+
+ _mesa_lock_texture(ctx, texImage->TexObject);
+
+ if (res)
+ return;
+
+ _mesa_warning(ctx,
+ "Falling back to mapping the texture in "
+ "glClearTexSubImage\n");
+
+ _mesa_store_cleartexsubimage(ctx, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ clearValue);
+}
projects / mesa.git / blobdiff