diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/common')
| -rw-r--r-- | mesalib/src/mesa/drivers/common/meta.c | 214 |
1 files changed, 140 insertions, 74 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c index 7e81e5ee1..3b13ad7f1 100644 --- a/mesalib/src/mesa/drivers/common/meta.c +++ b/mesalib/src/mesa/drivers/common/meta.c @@ -76,8 +76,9 @@ #include "drivers/common/meta.h" #include "main/enums.h" #include "main/glformats.h" +#include "../glsl/ralloc.h" - +static void *mem_ctx; /** Return offset in bytes of the field within a vertex struct */ #define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD)) @@ -178,12 +179,10 @@ struct save_state struct gl_query_object *CondRenderQuery; GLenum CondRenderMode; -#if FEATURE_feedback /** MESA_META_SELECT_FEEDBACK */ GLenum RenderMode; struct gl_selection Select; struct gl_feedback Feedback; -#endif /** MESA_META_MULTISAMPLE */ GLboolean MultisampleEnabled; @@ -191,9 +190,7 @@ struct save_state /** Miscellaneous (always disabled) */ GLboolean Lighting; GLboolean RasterDiscard; -#if FEATURE_EXT_transform_feedback GLboolean TransformFeedbackNeedsResume; -#endif }; /** @@ -286,6 +283,15 @@ struct gen_mipmap_state GLuint IntegerShaderProg; }; +/** + * 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; +}; /** * State for texture decompression @@ -438,35 +444,6 @@ _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. * @@ -485,7 +462,6 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) memset(save, 0, sizeof(*save)); save->SavedState = state; -#if FEATURE_EXT_transform_feedback /* Pausing transform feedback needs to be done early, or else we won't be * able to change other state. */ @@ -494,7 +470,6 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) !ctx->TransformFeedback.CurrentObject->Paused; if (save->TransformFeedbackNeedsResume) _mesa_PauseTransformFeedback(); -#endif if (state & MESA_META_ALPHA_TEST) { save->AlphaEnabled = ctx->Color.AlphaEnabled; @@ -648,19 +623,24 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) 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) { + _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); + } } } } @@ -770,7 +750,6 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) _mesa_EndConditionalRender(); } -#if FEATURE_feedback if (state & MESA_META_SELECT_FEEDBACK) { save->RenderMode = ctx->RenderMode; if (ctx->RenderMode == GL_SELECT) { @@ -781,12 +760,11 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) _mesa_RenderMode(GL_RENDER); } } -#endif if (state & MESA_META_MULTISAMPLE) { save->MultisampleEnabled = ctx->Multisample.Enabled; if (ctx->Multisample.Enabled) - meta_set_enable(ctx, GL_MULTISAMPLE, GL_FALSE); + _mesa_set_multisample(ctx, GL_FALSE); } /* misc */ @@ -1076,7 +1054,6 @@ _mesa_meta_end(struct gl_context *ctx) save->CondRenderMode); } -#if FEATURE_feedback if (state & MESA_META_SELECT_FEEDBACK) { if (save->RenderMode == GL_SELECT) { _mesa_RenderMode(GL_SELECT); @@ -1086,11 +1063,10 @@ _mesa_meta_end(struct gl_context *ctx) ctx->Feedback = save->Feedback; } } -#endif if (state & MESA_META_MULTISAMPLE) { if (ctx->Multisample.Enabled != save->MultisampleEnabled) - meta_set_enable(ctx, GL_MULTISAMPLE, save->MultisampleEnabled); + _mesa_set_multisample(ctx, save->MultisampleEnabled); } /* misc */ @@ -1100,10 +1076,8 @@ _mesa_meta_end(struct gl_context *ctx) if (save->RasterDiscard) { _mesa_set_enable(ctx, GL_RASTERIZER_DISCARD, GL_TRUE); } -#if FEATURE_EXT_transform_feedback if (save->TransformFeedbackNeedsResume) _mesa_ResumeTransformFeedback(); -#endif ctx->Meta->SaveStackDepth--; } @@ -2974,7 +2948,7 @@ setup_texture_coords(GLenum faceTarget, static void setup_ff_generate_mipmap(struct gl_context *ctx, - struct gen_mipmap_state *mipmap) + struct gen_mipmap_state *mipmap) { struct vertex { GLfloat x, y, tex[3]; @@ -3004,30 +2978,61 @@ setup_ff_generate_mipmap(struct gl_context *ctx, static void +setup_texture_sampler(GLenum target, struct glsl_sampler *sampler) +{ + switch(target) { + case GL_TEXTURE_1D: + sampler->type = "sampler1D"; + sampler->func = "texture1D"; + sampler->texcoords = "texCoords.x"; + break; + case GL_TEXTURE_2D: + sampler->type = "sampler2D"; + sampler->func = "texture2D"; + sampler->texcoords = "texCoords.xy"; + break; + case GL_TEXTURE_3D: + /* Code for mipmap generation with 3D textures is not used yet. + * It's a sw fallback. + */ + sampler->type = "sampler3D"; + sampler->func = "texture3D"; + sampler->texcoords = "texCoords"; + break; + case GL_TEXTURE_CUBE_MAP: + sampler->type = "samplerCube"; + sampler->func = "textureCube"; + sampler->texcoords = "texCoords"; + break; + case GL_TEXTURE_1D_ARRAY: + sampler->type = "sampler1DArray"; + sampler->func = "texture1DArray"; + sampler->texcoords = "texCoords.xy"; + break; + case GL_TEXTURE_2D_ARRAY: + sampler->type = "sampler2DArray"; + sampler->func = "texture2DArray"; + sampler->texcoords = "texCoords"; + break; + default: + _mesa_problem(NULL, "Unexpected texture target 0x%x in" + " setup_texture_sampler()\n", target); + } +} + + +static void setup_glsl_generate_mipmap(struct gl_context *ctx, - struct gen_mipmap_state *mipmap) + struct gen_mipmap_state *mipmap, + GLenum target) { struct vertex { GLfloat x, y, tex[3]; }; + struct glsl_sampler sampler; + const char *vs_source; + const char *fs_template; - 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" @@ -3048,8 +3053,51 @@ setup_glsl_generate_mipmap(struct gl_context *ctx, "{\n" " out_color = texture(tex2d, texCoords.xy);\n" "}\n"; + char *fs_source; + const char *extension_mode; GLuint vs, fs; + if (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_template = + "#extension GL_EXT_texture_array : %s\n" + "uniform %s texSampler;\n" + "varying vec3 texCoords;\n" + "void main()\n" + "{\n" + " gl_FragColor = %s(texSampler, %s);\n" + "}\n"; + } else { + vs_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 = vec4(position, 0.0, 1.0);\n" + "}\n"; + fs_template = + "#version 130\n" + "uniform %s texSampler;\n" + "in vec3 texCoords;\n" + "out %s out_color;\n" + "\n" + "void main()\n" + "{\n" + " out_color = texture(texSampler, %s);\n" + "}\n"; + } + /* Check if already initialized */ if (mipmap->ArrayObj != 0) return; @@ -3067,6 +3115,25 @@ setup_glsl_generate_mipmap(struct gl_context *ctx, _mesa_VertexAttribPointerARB(1, 3, GL_FLOAT, GL_FALSE, sizeof(struct vertex), OFFSET(tex)); + /* Generate a fragment shader program appropriate for the texture target */ + setup_texture_sampler(target, &sampler); + mem_ctx = ralloc_context(NULL); + + if (ctx->Const.GLSLVersion < 130) { + extension_mode = ((target == GL_TEXTURE_1D_ARRAY) || + (target == GL_TEXTURE_2D_ARRAY)) ? + "require" : "disable"; + + fs_source = ralloc_asprintf(mem_ctx, fs_template, + extension_mode, sampler.type, + sampler.func, sampler.texcoords); + } + else { + fs_source = ralloc_asprintf(mem_ctx, fs_template, + sampler.type, "vec4", + sampler.texcoords); + } + vs = compile_shader_with_debug(ctx, GL_VERTEX_SHADER, vs_source); fs = compile_shader_with_debug(ctx, GL_FRAGMENT_SHADER, fs_source); @@ -3080,6 +3147,7 @@ setup_glsl_generate_mipmap(struct gl_context *ctx, _mesa_EnableVertexAttribArrayARB(0); _mesa_EnableVertexAttribArrayARB(1); link_program_with_debug(ctx, mipmap->ShaderProg); + ralloc_free(mem_ctx); if ((_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130) || _mesa_is_gles3(ctx)){ @@ -3172,7 +3240,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, * GenerateMipmap function. */ if (use_glsl_version) { - setup_glsl_generate_mipmap(ctx, mipmap); + setup_glsl_generate_mipmap(ctx, mipmap, target); if (texObj->_IsIntegerFormat) _mesa_UseProgramObjectARB(mipmap->IntegerShaderProg); @@ -3738,7 +3806,6 @@ void _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height) { -#if FEATURE_OES_draw_texture struct drawtex_state *drawtex = &ctx->Meta->DrawTex; struct vertex { GLfloat x, y, z, st[MAX_TEXTURE_UNITS][2]; @@ -3854,5 +3921,4 @@ _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z, _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4); _mesa_meta_end(ctx); -#endif /* FEATURE_OES_draw_texture */ } |