diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/common')
| -rw-r--r-- | mesalib/src/mesa/drivers/common/meta.c | 423 |
1 files changed, 318 insertions, 105 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c index 7d7113c56..4b448fed5 100644 --- a/mesalib/src/mesa/drivers/common/meta.c +++ b/mesalib/src/mesa/drivers/common/meta.c @@ -282,6 +282,8 @@ struct gen_mipmap_state GLuint VBO; GLuint FBO; GLuint Sampler; + GLuint ShaderProg; + GLuint IntegerShaderProg; }; @@ -330,6 +332,8 @@ struct gl_meta_state 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) @@ -422,6 +426,7 @@ _mesa_meta_free(struct gl_context *ctx) _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); if (old_context) _mesa_make_current(old_context, old_context->WinSysDrawBuffer, old_context->WinSysReadBuffer); @@ -433,6 +438,35 @@ _mesa_meta_free(struct gl_context *ctx) /** + * This is an alternative to _mesa_set_enable() to handle some special cases. + * See comments inside. + */ +static void +meta_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state) +{ + switch (cap) { + case GL_MULTISAMPLE: + /* We need to enable/disable multisample when using GLES but this enum + * is not supported there. + */ + if (ctx->Multisample.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.Enabled = state; + break; + default: + _mesa_problem(ctx, "Unexpected cap in _meta_set_enable()"); + return; + } + + if (ctx->Driver.Enable) { + ctx->Driver.Enable(ctx, cap, state); + } +} + + + +/** * Enter meta state. This is like a light-weight version of glPushAttrib * but it also resets most GL state back to default values. * @@ -549,8 +583,10 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) save->PolygonCull = ctx->Polygon.CullFlag; _mesa_PolygonMode(GL_FRONT_AND_BACK, GL_FILL); _mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL, GL_FALSE); - _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, GL_FALSE); - _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, GL_FALSE); + if (ctx->API == API_OPENGL) { + _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); } @@ -560,14 +596,14 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) } if (state & MESA_META_SHADER) { - if (ctx->Extensions.ARB_vertex_program) { + if (ctx->API == API_OPENGL && 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->Extensions.ARB_fragment_program) { + if (ctx->API == API_OPENGL && ctx->Extensions.ARB_fragment_program) { save->FragmentProgramEnabled = ctx->FragmentProgram.Enabled; _mesa_reference_fragprog(ctx, &save->FragmentProgram, ctx->FragmentProgram.Current); @@ -603,25 +639,27 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) save->EnvMode = ctx->Texture.Unit[0].EnvMode; /* Disable all texture units */ - 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_ActiveTextureARB(GL_TEXTURE0 + u); - _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE); - _mesa_set_enable(ctx, GL_TEXTURE_2D, GL_FALSE); - _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE); - if (ctx->Extensions.ARB_texture_cube_map) - _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); - if (ctx->Extensions.NV_texture_rectangle) - _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE, GL_FALSE); - if (ctx->Extensions.OES_EGL_image_external) - _mesa_set_enable(ctx, GL_TEXTURE_EXTERNAL_OES, 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); + if (ctx->API == API_OPENGL || 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_ActiveTextureARB(GL_TEXTURE0 + u); + _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE); + _mesa_set_enable(ctx, GL_TEXTURE_2D, GL_FALSE); + _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE); + if (ctx->Extensions.ARB_texture_cube_map) + _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE); + if (ctx->Extensions.NV_texture_rectangle) + _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE, GL_FALSE); + if (ctx->Extensions.OES_EGL_image_external) + _mesa_set_enable(ctx, GL_TEXTURE_EXTERNAL_OES, 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); + } } } @@ -634,7 +672,9 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) /* set defaults for unit[0] */ _mesa_ActiveTextureARB(GL_TEXTURE0); _mesa_ClientActiveTextureARB(GL_TEXTURE0); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES) { + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); + } } if (state & MESA_META_TRANSFORM) { @@ -744,7 +784,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) if (state & MESA_META_MULTISAMPLE) { save->MultisampleEnabled = ctx->Multisample.Enabled; if (ctx->Multisample.Enabled) - _mesa_set_enable(ctx, GL_MULTISAMPLE, GL_FALSE); + meta_set_enable(ctx, GL_MULTISAMPLE, GL_FALSE); } /* misc */ @@ -765,7 +805,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) void _mesa_meta_end(struct gl_context *ctx) { - struct save_state *save = &ctx->Meta->Save[--ctx->Meta->SaveStackDepth]; + struct save_state *save = &ctx->Meta->Save[ctx->Meta->SaveStackDepth - 1]; const GLbitfield state = save->SavedState; if (state & MESA_META_ALPHA_TEST) { @@ -840,11 +880,19 @@ _mesa_meta_end(struct gl_context *ctx) } if (state & MESA_META_RASTERIZATION) { - _mesa_PolygonMode(GL_FRONT, save->FrontPolygonMode); - _mesa_PolygonMode(GL_BACK, save->BackPolygonMode); - _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, save->PolygonStipple); + /* 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) { + _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_POLYGON_SMOOTH, save->PolygonSmooth); _mesa_set_enable(ctx, GL_CULL_FACE, save->PolygonCull); } @@ -855,7 +903,7 @@ _mesa_meta_end(struct gl_context *ctx) } if (state & MESA_META_SHADER) { - if (ctx->Extensions.ARB_vertex_program) { + if (ctx->API == API_OPENGL && ctx->Extensions.ARB_vertex_program) { _mesa_set_enable(ctx, GL_VERTEX_PROGRAM_ARB, save->VertexProgramEnabled); _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, @@ -863,7 +911,7 @@ _mesa_meta_end(struct gl_context *ctx) _mesa_reference_vertprog(ctx, &save->VertexProgram, NULL); } - if (ctx->Extensions.ARB_fragment_program) { + if (ctx->API == API_OPENGL && ctx->Extensions.ARB_fragment_program) { _mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB, save->FragmentProgramEnabled); _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, @@ -896,7 +944,7 @@ _mesa_meta_end(struct gl_context *ctx) _mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled); _mesa_ClearStencil(stencil->Clear); - if (ctx->Extensions.EXT_stencil_two_side) { + if (ctx->API == API_OPENGL && ctx->Extensions.EXT_stencil_two_side) { _mesa_set_enable(ctx, GL_STENCIL_TEST_TWO_SIDE_EXT, stencil->TestTwoSide); _mesa_ActiveStencilFaceEXT(stencil->ActiveFace @@ -928,7 +976,9 @@ _mesa_meta_end(struct gl_context *ctx) ASSERT(ctx->Texture.CurrentUnit == 0); /* restore texenv for unit[0] */ - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, save->EnvMode); + if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES) { + _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++) { @@ -941,16 +991,18 @@ _mesa_meta_end(struct gl_context *ctx) } /* Restore fixed function texture enables, texgen */ - 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->API == API_OPENGL || 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]; + } - 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]; + } + } } /* restore current unit state */ @@ -1034,7 +1086,7 @@ _mesa_meta_end(struct gl_context *ctx) if (state & MESA_META_MULTISAMPLE) { if (ctx->Multisample.Enabled != save->MultisampleEnabled) - _mesa_set_enable(ctx, GL_MULTISAMPLE, save->MultisampleEnabled); + meta_set_enable(ctx, GL_MULTISAMPLE, save->MultisampleEnabled); } /* misc */ @@ -1048,6 +1100,8 @@ _mesa_meta_end(struct gl_context *ctx) if (save->TransformFeedbackNeedsResume) _mesa_ResumeTransformFeedback(); #endif + + ctx->Meta->SaveStackDepth--; } @@ -1400,7 +1454,8 @@ blitframebuffer_texture(struct gl_context *ctx, _mesa_SamplerParameteri(sampler, GL_TEXTURE_SRGB_DECODE_EXT, GL_SKIP_DECODE_EXT); } - if (ctx->Extensions.EXT_framebuffer_sRGB) { + if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_framebuffer_sRGB) + || _mesa_is_gles3(ctx)) { _mesa_set_enable(ctx, GL_FRAMEBUFFER_SRGB_EXT, GL_FALSE); } @@ -1799,7 +1854,7 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear) "}\n"; const char *vs_int_source = "#version 130\n" - "attribute vec4 position;\n" + "in vec4 position;\n" "void main()\n" "{\n" " gl_Position = position;\n" @@ -2913,6 +2968,157 @@ setup_texture_coords(GLenum faceTarget, } +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_GenBuffersARB(1, &mipmap->VBO); + _mesa_BindBufferARB(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 void +setup_glsl_generate_mipmap(struct gl_context *ctx, + struct gen_mipmap_state *mipmap) +{ + struct vertex { + GLfloat x, y, tex[3]; + }; + + static const char *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"; + static const char *fs_source = + "uniform sampler2D tex2d;\n" + "varying vec3 texCoords;\n" + "void main()\n" + "{\n" + " gl_FragColor = texture2D(tex2d, texCoords.xy);\n" + "}\n"; + + static const char *vs_int_source = + "#version 130\n" + "in vec2 position;\n" + "in vec3 textureCoords;\n" + "out vec3 texCoords;\n" + "void main()\n" + "{\n" + " texCoords = textureCoords;\n" + " gl_Position = gl_Vertex;\n" + "}\n"; + static const char *fs_int_source = + "#version 130\n" + "uniform isampler2D tex2d;\n" + "in vec3 texCoords;\n" + "out ivec4 out_color;\n" + "\n" + "void main()\n" + "{\n" + " out_color = texture(tex2d, texCoords.xy);\n" + "}\n"; + GLuint vs, fs; + + /* Check if already initialized */ + if (mipmap->ArrayObj != 0) + return; + /* create vertex array object */ + _mesa_GenVertexArrays(1, &mipmap->ArrayObj); + _mesa_BindVertexArray(mipmap->ArrayObj); + + /* create vertex array buffer */ + _mesa_GenBuffersARB(1, &mipmap->VBO); + _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, mipmap->VBO); + + /* setup vertex arrays */ + _mesa_VertexAttribPointerARB(0, 2, GL_FLOAT, GL_FALSE, + sizeof(struct vertex), OFFSET(x)); + _mesa_VertexAttribPointerARB(1, 3, GL_FLOAT, GL_FALSE, + sizeof(struct vertex), OFFSET(tex)); + + 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_BindAttribLocationARB(mipmap->ShaderProg, 0, "position"); + _mesa_BindAttribLocationARB(mipmap->ShaderProg, 1, "texcoords"); + _mesa_EnableVertexAttribArrayARB(0); + _mesa_EnableVertexAttribArrayARB(1); + link_program_with_debug(ctx, mipmap->ShaderProg); + + if ((_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130) || + _mesa_is_gles3(ctx)){ + vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_int_source); + fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_int_source); + + mipmap->IntegerShaderProg = _mesa_CreateProgramObjectARB(); + _mesa_AttachShader(mipmap->IntegerShaderProg, fs); + _mesa_DeleteObjectARB(fs); + _mesa_AttachShader(mipmap->IntegerShaderProg, vs); + _mesa_DeleteObjectARB(vs); + _mesa_BindAttribLocationARB(mipmap->IntegerShaderProg, 0, "position"); + _mesa_BindAttribLocationARB(mipmap->IntegerShaderProg, 1, "texcoords"); + + /* Note that user-defined out attributes get automatically assigned + * locations starting from 0, so we don't need to explicitly + * BindFragDataLocation to 0. + */ + link_program_with_debug(ctx, mipmap->IntegerShaderProg); + } +} + + +static void +meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx, + struct gen_mipmap_state *mipmap) +{ + if (mipmap->ArrayObj == 0) + return; + _mesa_DeleteVertexArraysAPPLE(1, &mipmap->ArrayObj); + mipmap->ArrayObj = 0; + _mesa_DeleteBuffersARB(1, &mipmap->VBO); + mipmap->VBO = 0; + _mesa_DeleteObjectARB(mipmap->ShaderProg); + mipmap->ShaderProg = 0; + + if (mipmap->IntegerShaderProg) { + _mesa_DeleteObjectARB(mipmap->IntegerShaderProg); + mipmap->IntegerShaderProg = 0; + } +} + + /** * Called via ctx->Driver.GenerateMipmap() * Note: We don't yet support 3D textures, 1D/2D array textures or texture @@ -2933,10 +3139,12 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, const GLboolean genMipmapSave = texObj->GenerateMipmap; const GLenum srgbBufferSave = ctx->Color.sRGBEnabled; const GLuint fboSave = ctx->DrawBuffer->Name; - const GLuint original_active_unit = ctx->Texture.CurrentUnit; + 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 GLuint border = 0; const GLint slice = 0; GLuint samplerSave; @@ -2956,36 +3164,31 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, _mesa_meta_begin(ctx, MESA_META_ALL); - samplerSave = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ? - ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0; - - if (original_active_unit != 0) - _mesa_BindTexture(target, texObj->Name); - - 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_GenBuffersARB(1, &mipmap->VBO); - _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, mipmap->VBO); - _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), - NULL, GL_DYNAMIC_DRAW_ARB); + /* Choose between glsl version and fixed function version of + * GenerateMipmap function. + */ + if (use_glsl_version) { + setup_glsl_generate_mipmap(ctx, mipmap); - /* 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); + if (texObj->_IsIntegerFormat) + _mesa_UseProgramObjectARB(mipmap->IntegerShaderProg); + else + _mesa_UseProgramObjectARB(mipmap->ShaderProg); } else { - _mesa_BindVertexArray(mipmap->ArrayObj); - _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, mipmap->VBO); + setup_ff_generate_mipmap(ctx, mipmap); + _mesa_set_enable(ctx, target, GL_TRUE); } + _mesa_BindVertexArray(mipmap->ArrayObj); + _mesa_BindBufferARB(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_GenFramebuffersEXT(1, &mipmap->FBO); } @@ -2993,12 +3196,25 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, 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); + + if (use_glsl_version && texObj->_IsIntegerFormat) + _mesa_SamplerParameteri(mipmap->Sampler, + GL_TEXTURE_MIN_FILTER, + GL_NEAREST_MIPMAP_NEAREST); + else + _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 */ + + /* 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); @@ -3015,13 +3231,13 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, else assert(!genMipmapSave); - if (ctx->Extensions.EXT_framebuffer_sRGB) { + if ((ctx->Extensions.EXT_framebuffer_sRGB && + _mesa_is_desktop_gl(ctx)) || + _mesa_is_gles3(ctx)) { _mesa_set_enable(ctx, GL_FRAMEBUFFER_SRGB_EXT, GL_FALSE); } - _mesa_set_enable(ctx, target, GL_TRUE); - - /* setup texcoords (XXX what about border?) */ + /* Setup texture coordinates */ setup_texture_coords(faceTarget, slice, 0, 0, /* width, height never used here */ @@ -3031,22 +3247,18 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, verts[3].tex); /* setup vertex positions */ - verts[0].x = 0.0F; - verts[0].y = 0.0F; - verts[1].x = 1.0F; - verts[1].y = 0.0F; - verts[2].x = 1.0F; - verts[2].y = 1.0F; - verts[3].x = 0.0F; - verts[3].y = 1.0F; - - /* upload new vertex data */ - _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); - - /* setup projection matrix */ - _mesa_MatrixMode(GL_PROJECTION); - _mesa_LoadIdentity(); - _mesa_Ortho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0); + 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_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), + verts, GL_DYNAMIC_DRAW_ARB); /* texture is already locked, unlock now */ _mesa_unlock_texture(ctx, texObj); @@ -3059,17 +3271,17 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, GLenum status; srcImage = _mesa_select_tex_image(ctx, texObj, faceTarget, srcLevel); - assert(srcImage->Border == 0); /* XXX we can fix this */ + assert(srcImage->Border == 0); - /* src size w/out border */ - srcWidth = srcImage->Width - 2 * border; - srcHeight = srcImage->Height - 2 * border; - srcDepth = srcImage->Depth - 2 * border; + /* src size */ + srcWidth = srcImage->Width; + srcHeight = srcImage->Height; + srcDepth = srcImage->Depth; - /* new dst size w/ border */ - dstWidth = MAX2(1, srcWidth / 2) + 2 * border; - dstHeight = MAX2(1, srcHeight / 2) + 2 * border; - dstDepth = MAX2(1, srcDepth / 2) + 2 * border; + /* 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 && @@ -3424,7 +3636,8 @@ decompress_texture_image(struct gl_context *ctx, } /* No sRGB decode or encode.*/ - if (ctx->Extensions.EXT_framebuffer_sRGB) { + if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_framebuffer_sRGB) + || _mesa_is_gles3(ctx)) { _mesa_set_enable(ctx, GL_FRAMEBUFFER_SRGB_EXT, GL_FALSE); } |