#include "main/varray.h"
#include "main/viewport.h"
#include "drivers/common/meta.h"
+#include "program/prog_instruction.h"
/**
GLuint srcLevel;
GLenum status;
+ /* GL_DRAW_FRAMEBUFFER does not exist in OpenGL ES 1.x, and since
+ * _mesa_meta_begin hasn't been called yet, we have to work-around API
+ * difficulties. The whole reason that GL_DRAW_FRAMEBUFFER is used instead
+ * of GL_FRAMEBUFFER is that the read framebuffer may be different. This
+ * is moot in OpenGL ES 1.x.
+ */
+ const GLenum fbo_target = ctx->API == API_OPENGLES
+ ? GL_FRAMEBUFFER : GL_DRAW_FRAMEBUFFER;
+
/* check for fallbacks */
if (target == GL_TEXTURE_3D) {
_mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
"glGenerateMipmap() to %s target\n",
- _mesa_lookup_enum_by_nr(target));
+ _mesa_enum_to_string(target));
return true;
}
srcLevel = texObj->BaseLevel;
- baseImage = _mesa_select_tex_image(ctx, texObj, target, srcLevel);
+ baseImage = _mesa_select_tex_image(texObj, target, srcLevel);
if (!baseImage) {
_mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
"glGenerateMipmap() couldn't find base teximage\n");
*/
if (!mipmap->FBO)
_mesa_GenFramebuffers(1, &mipmap->FBO);
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
+ _mesa_BindFramebuffer(fbo_target, mipmap->FBO);
- _mesa_meta_bind_fbo_image(texObj, target, srcLevel, 0);
+ _mesa_meta_bind_fbo_image(fbo_target, GL_COLOR_ATTACHMENT0, baseImage, 0);
- status = _mesa_CheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
+ status = _mesa_CheckFramebufferStatus(fbo_target);
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, fboSave);
+ _mesa_BindFramebuffer(fbo_target, fboSave);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_perf_debug(ctx, MESA_DEBUG_SEVERITY_HIGH,
}
void
-_mesa_meta_glsl_generate_mipmap_cleanup(struct gen_mipmap_state *mipmap)
+_mesa_meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
+ struct gen_mipmap_state *mipmap)
{
if (mipmap->VAO == 0)
return;
_mesa_DeleteVertexArrays(1, &mipmap->VAO);
mipmap->VAO = 0;
- _mesa_DeleteBuffers(1, &mipmap->VBO);
- mipmap->VBO = 0;
+ _mesa_reference_buffer_object(ctx, &mipmap->buf_obj, NULL);
+ _mesa_reference_sampler_object(ctx, &mipmap->samp_obj, NULL);
+
+ if (mipmap->FBO != 0) {
+ _mesa_DeleteFramebuffers(1, &mipmap->FBO);
+ mipmap->FBO = 0;
+ }
_mesa_meta_blit_shader_table_cleanup(&mipmap->shaders);
}
/**
* Called via ctx->Driver.GenerateMipmap()
- * Note: We don't yet support 3D textures, 1D/2D array textures or texture
- * borders.
+ * Note: We don't yet support 3D textures, or texture borders.
*/
void
_mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
const GLuint maxLevel = texObj->MaxLevel;
const GLint maxLevelSave = texObj->MaxLevel;
const GLboolean genMipmapSave = texObj->GenerateMipmap;
- const GLuint currentTexUnitSave = ctx->Texture.CurrentUnit;
const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
ctx->Extensions.ARB_fragment_shader;
GLenum faceTarget;
GLuint dstLevel;
- GLuint samplerSave;
+ struct gl_sampler_object *samp_obj_save = NULL;
+ GLint swizzle[4];
+ GLboolean swizzleSaved = GL_FALSE;
if (fallback_required(ctx, target, texObj)) {
_mesa_generate_mipmap(ctx, target, texObj);
faceTarget = target;
}
- _mesa_meta_begin(ctx, MESA_META_ALL);
+ _mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_DRAW_BUFFERS);
/* Choose between glsl version and fixed function version of
* GenerateMipmap function.
*/
if (use_glsl_version) {
- _mesa_meta_setup_vertex_objects(&mipmap->VAO, &mipmap->VBO, true,
- 2, 3, 0);
- _mesa_meta_setup_blit_shader(ctx, target, &mipmap->shaders);
+ _mesa_meta_setup_vertex_objects(ctx, &mipmap->VAO, &mipmap->buf_obj, true,
+ 2, 4, 0);
+ _mesa_meta_setup_blit_shader(ctx, target, false, &mipmap->shaders);
} else {
- _mesa_meta_setup_ff_tnl_for_blit(&mipmap->VAO, &mipmap->VBO, 3);
+ _mesa_meta_setup_ff_tnl_for_blit(ctx, &mipmap->VAO, &mipmap->buf_obj, 3);
_mesa_set_enable(ctx, target, GL_TRUE);
}
- 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);
+ _mesa_reference_sampler_object(ctx, &samp_obj_save,
+ ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler);
- if (!mipmap->Sampler) {
- _mesa_GenSamplers(1, &mipmap->Sampler);
- _mesa_BindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
+ /* We may have been called from glGenerateTextureMipmap with CurrentUnit
+ * still set to 0, so we don't know when we can skip binding the texture.
+ * Assume that _mesa_BindTexture will be fast if we're rebinding the same
+ * texture.
+ */
+ _mesa_BindTexture(target, texObj->Name);
+
+ if (mipmap->samp_obj == NULL) {
+ mipmap->samp_obj = ctx->Driver.NewSamplerObject(ctx, 0xDEADBEEF);
+ if (mipmap->samp_obj == NULL) {
+ /* This is a bit lazy. Flag out of memory, and then don't bother to
+ * clean up. Once out of memory is flagged, the only realistic next
+ * move is to destroy the context. That will trigger all the right
+ * clean up.
+ */
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenerateMipmap");
+ return;
+ }
- _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);
+ _mesa_set_sampler_filters(ctx, mipmap->samp_obj, GL_LINEAR_MIPMAP_LINEAR,
+ GL_LINEAR);
+ _mesa_set_sampler_wrap(ctx, mipmap->samp_obj, GL_CLAMP_TO_EDGE,
+ GL_CLAMP_TO_EDGE, 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);
+ /* We don't want to encode or decode sRGB values; treat them as linear. */
+ _mesa_set_sampler_srgb_decode(ctx, mipmap->samp_obj, GL_SKIP_DECODE_EXT);
}
+ _mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, mipmap->samp_obj);
+
assert(mipmap->FBO != 0);
_mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
_mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);
+ if (texObj->_Swizzle != SWIZZLE_NOOP) {
+ static const GLint swizzleNoop[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
+ memcpy(swizzle, texObj->Swizzle, sizeof(swizzle));
+ swizzleSaved = GL_TRUE;
+ _mesa_TexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzleNoop);
+ }
+
/* Silence valgrind warnings about reading uninitialized stack. */
memset(verts, 0, sizeof(verts));
for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) {
const struct gl_texture_image *srcImage;
+ struct gl_texture_image *dstImage;
const GLuint srcLevel = dstLevel - 1;
GLuint layer;
GLsizei srcWidth, srcHeight, srcDepth;
GLsizei dstWidth, dstHeight, dstDepth;
- srcImage = _mesa_select_tex_image(ctx, texObj, faceTarget, srcLevel);
+ srcImage = _mesa_select_tex_image(texObj, faceTarget, srcLevel);
assert(srcImage->Border == 0);
/* src size */
*/
break;
}
+ dstImage = _mesa_select_tex_image(texObj, faceTarget, dstLevel);
/* limit minification to src level */
_mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel);
/* Setup texture coordinates */
_mesa_meta_setup_texture_coords(faceTarget,
layer,
- 0, 0, 1, /* width, height never used here */
+ 0, 0, /* xoffset, yoffset */
+ srcWidth, srcHeight, /* img size */
+ srcWidth, srcHeight, srcDepth,
verts[0].tex,
verts[1].tex,
verts[2].tex,
verts[3].tex);
/* upload vertex data */
- _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
- verts, GL_DYNAMIC_DRAW_ARB);
+ _mesa_buffer_data(ctx, mipmap->buf_obj, GL_NONE, sizeof(verts), verts,
+ GL_DYNAMIC_DRAW, __func__);
- _mesa_meta_bind_fbo_image(texObj, faceTarget, dstLevel, layer);
+ _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, dstImage, layer);
/* sanity check */
if (_mesa_CheckFramebufferStatus(GL_FRAMEBUFFER) !=
_mesa_lock_texture(ctx, texObj); /* relock */
- _mesa_BindSampler(ctx->Texture.CurrentUnit, samplerSave);
+ _mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, samp_obj_save);
+ _mesa_reference_sampler_object(ctx, &samp_obj_save, NULL);
_mesa_meta_end(ctx);
_mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave);
if (genMipmapSave)
_mesa_TexParameteri(target, GL_GENERATE_MIPMAP, genMipmapSave);
+ if (swizzleSaved)
+ _mesa_TexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
}
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