/** 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_vertex_array_object *VAO;
- 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 GLSL texture sampler which is used to generate fragment
- * shader in _mesa_meta_generate_mipmap().
- */
-struct blit_shader {
- const char *type;
- const char *func;
- const char *texcoords;
- GLuint shader_prog;
-};
-
-/**
- * Table of all sampler types and shaders for accessing them.
- */
-struct blit_shader_table {
- struct blit_shader sampler_1d;
- struct blit_shader sampler_2d;
- struct blit_shader sampler_3d;
- struct blit_shader sampler_rect;
- struct blit_shader sampler_cubemap;
- struct blit_shader sampler_1d_array;
- struct blit_shader sampler_2d_array;
- struct blit_shader sampler_cubemap_array;
-};
-
-/**
- * State for glBlitFramebufer()
- */
-struct blit_state
-{
- GLuint VAO;
- GLuint VBO;
- GLuint DepthFP;
- struct blit_shader_table shaders;
- struct temp_texture depthTex;
-};
-
-
-/**
- * State for glClear()
- */
-struct clear_state
-{
- GLuint VAO;
- GLuint VBO;
- GLuint ShaderProg;
- GLint ColorLocation;
- GLint LayerLocation;
-
- GLuint IntegerShaderProg;
- GLint IntegerColorLocation;
- GLint IntegerLayerLocation;
-};
-
-
-/**
- * State for glCopyPixels()
- */
-struct copypix_state
-{
- GLuint VAO;
- GLuint VBO;
-};
-
-
-/**
- * State for glDrawPixels()
- */
-struct drawpix_state
-{
- GLuint VAO;
- GLuint VBO;
-
- GLuint StencilFP; /**< Fragment program for drawing stencil images */
- GLuint DepthFP; /**< Fragment program for drawing depth images */
-};
-
-
-/**
- * State for glBitmap()
- */
-struct bitmap_state
-{
- GLuint VAO;
- GLuint VBO;
- struct temp_texture Tex; /**< separate texture from other meta ops */
-};
-
-/**
- * State for _mesa_meta_generate_mipmap()
- */
-struct gen_mipmap_state
-{
- GLuint VAO;
- GLuint VBO;
- GLuint FBO;
- GLuint Sampler;
-
- struct blit_shader_table shaders;
-};
-
-/**
- * State for texture decompression
- */
-struct decompress_state
-{
- GLuint VAO;
- GLuint VBO, FBO, RBO, Sampler;
- GLint Width, Height;
-
- struct blit_shader_table shaders;
-};
-
-/**
- * State for glDrawTex()
- */
-struct drawtex_state
-{
- GLuint VAO;
- GLuint VBO;
-};
-
-#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() */
-};
-
-struct vertex {
- GLfloat x, y, z, tex[4];
- GLfloat r, g, b, a;
-};
-
static struct blit_shader *
choose_blit_shader(GLenum target, struct blit_shader_table *table);
#define MESA_META_OCCLUSION_QUERY 0x400000
/**\}*/
+/**
+ * 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_vertex_array_object *VAO;
+ 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 GLSL texture sampler which is used to generate fragment
+ * shader in _mesa_meta_generate_mipmap().
+ */
+struct blit_shader {
+ const char *type;
+ const char *func;
+ const char *texcoords;
+ GLuint shader_prog;
+};
+
+/**
+ * Table of all sampler types and shaders for accessing them.
+ */
+struct blit_shader_table {
+ struct blit_shader sampler_1d;
+ struct blit_shader sampler_2d;
+ struct blit_shader sampler_3d;
+ struct blit_shader sampler_rect;
+ struct blit_shader sampler_cubemap;
+ struct blit_shader sampler_1d_array;
+ struct blit_shader sampler_2d_array;
+ struct blit_shader sampler_cubemap_array;
+};
+
+/**
+ * State for glBlitFramebufer()
+ */
+struct blit_state
+{
+ GLuint VAO;
+ GLuint VBO;
+ GLuint DepthFP;
+ struct blit_shader_table shaders;
+ struct temp_texture depthTex;
+};
+
+
+/**
+ * State for glClear()
+ */
+struct clear_state
+{
+ GLuint VAO;
+ GLuint VBO;
+ GLuint ShaderProg;
+ GLint ColorLocation;
+ GLint LayerLocation;
+
+ GLuint IntegerShaderProg;
+ GLint IntegerColorLocation;
+ GLint IntegerLayerLocation;
+};
+
+
+/**
+ * State for glCopyPixels()
+ */
+struct copypix_state
+{
+ GLuint VAO;
+ GLuint VBO;
+};
+
+
+/**
+ * State for glDrawPixels()
+ */
+struct drawpix_state
+{
+ GLuint VAO;
+ GLuint VBO;
+
+ GLuint StencilFP; /**< Fragment program for drawing stencil images */
+ GLuint DepthFP; /**< Fragment program for drawing depth images */
+};
+
+
+/**
+ * State for glBitmap()
+ */
+struct bitmap_state
+{
+ GLuint VAO;
+ GLuint VBO;
+ struct temp_texture Tex; /**< separate texture from other meta ops */
+};
+
+/**
+ * State for _mesa_meta_generate_mipmap()
+ */
+struct gen_mipmap_state
+{
+ GLuint VAO;
+ GLuint VBO;
+ GLuint FBO;
+ GLuint Sampler;
+
+ struct blit_shader_table shaders;
+};
+
+/**
+ * State for texture decompression
+ */
+struct decompress_state
+{
+ GLuint VAO;
+ GLuint VBO, FBO, RBO, Sampler;
+ GLint Width, Height;
+
+ struct blit_shader_table shaders;
+};
+
+/**
+ * State for glDrawTex()
+ */
+struct drawtex_state
+{
+ GLuint VAO;
+ GLuint VBO;
+};
+
+#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() */
+};
+
+struct vertex {
+ GLfloat x, y, z, tex[4];
+ GLfloat r, g, b, a;
+};
+
extern void
_mesa_meta_init(struct gl_context *ctx);