From 69c8cec54b01ed522bf10baf20da70304bac701a Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 28 Jan 2013 07:55:57 +0100 Subject: mesa mkfontscale pixman git update 28 jan 2013 mesa: 87592cff57feef29565150b9203e220b50623f30 mkfontscale: b3af8de8d25128f565c2ed2f7c63b6e4099eb84e pixman: 65fc1adb6545737058e938105ae948a3607c277c --- mesalib/src/mesa/main/extensions.c | 1 + mesalib/src/mesa/main/getstring.c | 4 +- mesalib/src/mesa/main/imports.c | 86 ++++++++++++++++++++++------------ mesalib/src/mesa/main/imports.h | 3 ++ mesalib/src/mesa/main/mtypes.h | 28 +++++++++++ mesalib/src/mesa/main/remap.c | 6 ++- mesalib/src/mesa/main/shader_query.cpp | 12 ++--- mesalib/src/mesa/main/texparam.c | 8 ++-- mesalib/src/mesa/main/uniforms.c | 2 +- mesalib/src/mesa/main/version.c | 25 +++++++++- 10 files changed, 131 insertions(+), 44 deletions(-) (limited to 'mesalib/src/mesa/main') diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c index 5d01ac8ea..7ae07fb5a 100644 --- a/mesalib/src/mesa/main/extensions.c +++ b/mesalib/src/mesa/main/extensions.c @@ -125,6 +125,7 @@ static const struct extension extension_table[] = { { "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 }, { "GL_ARB_shader_texture_lod", o(ARB_shader_texture_lod), GL, 2009 }, { "GL_ARB_shading_language_100", o(ARB_shading_language_100), GLL, 2003 }, + { "GL_ARB_shading_language_packing", o(ARB_shading_language_packing), GL, 2011 }, { "GL_ARB_shadow", o(ARB_shadow), GLL, 2001 }, { "GL_ARB_sync", o(ARB_sync), GL, 2003 }, { "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GLL, 2000 }, diff --git a/mesalib/src/mesa/main/getstring.c b/mesalib/src/mesa/main/getstring.c index 1f23cc0a4..aa3a528fd 100644 --- a/mesalib/src/mesa/main/getstring.c +++ b/mesalib/src/mesa/main/getstring.c @@ -74,7 +74,9 @@ shading_language_version(struct gl_context *ctx) break; case API_OPENGLES2: - return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16"; + return (ctx->Version < 30) + ? (const GLubyte *) "OpenGL ES GLSL ES 1.0.16" + : (const GLubyte *) "OpenGL ES GLSL ES 3.0"; case API_OPENGLES: /* fall-through */ diff --git a/mesalib/src/mesa/main/imports.c b/mesalib/src/mesa/main/imports.c index 76f835e0e..e6f754254 100644 --- a/mesalib/src/mesa/main/imports.c +++ b/mesalib/src/mesa/main/imports.c @@ -314,10 +314,43 @@ _mesa_bitcount_64(uint64_t n) #endif +/* Using C99 rounding functions for roundToEven() implementation is + * difficult, because round(), rint, and nearbyint() are affected by + * fesetenv(), which the application may have done for its own + * purposes. Mesa's IROUND macro is close to what we want, but it + * rounds away from 0 on n + 0.5. + */ +int +_mesa_round_to_even(float val) +{ + int rounded = IROUND(val); + + if (val - floor(val) == 0.5) { + if (rounded % 2 != 0) + rounded += val > 0 ? -1 : 1; + } + + return rounded; +} + + /** * Convert a 4-byte float to a 2-byte half float. - * Based on code from: - * http://www.opengl.org/discussion_boards/ubb/Forum3/HTML/008786.html + * + * Not all float32 values can be represented exactly as a float16 value. We + * round such intermediate float32 values to the nearest float16. When the + * float32 lies exactly between to float16 values, we round to the one with + * an even mantissa. + * + * This rounding behavior has several benefits: + * - It has no sign bias. + * + * - It reproduces the behavior of real hardware: opcode F32TO16 in Intel's + * GPU ISA. + * + * - By reproducing the behavior of the GPU (at least on Intel hardware), + * compile-time evaluation of constant packHalf2x16 GLSL expressions will + * result in the same value as if the expression were executed on the GPU. */ GLhalfARB _mesa_float_to_half(float val) @@ -356,32 +389,13 @@ _mesa_float_to_half(float val) else { /* regular number */ const int new_exp = flt_e - 127; - if (new_exp < -24) { - /* this maps to 0 */ - /* m = 0; - already set */ - e = 0; - } - else if (new_exp < -14) { - /* this maps to a denorm */ - unsigned int exp_val = (unsigned int) (-14 - new_exp); /* 2^-exp_val*/ + if (new_exp < -14) { + /* The float32 lies in the range (0.0, min_normal16) and is rounded + * to a nearby float16 value. The result will be either zero, subnormal, + * or normal. + */ e = 0; - switch (exp_val) { - case 0: - _mesa_warning(NULL, - "float_to_half: logical error in denorm creation!\n"); - /* m = 0; - already set */ - break; - case 1: m = 512 + (flt_m >> 14); break; - case 2: m = 256 + (flt_m >> 15); break; - case 3: m = 128 + (flt_m >> 16); break; - case 4: m = 64 + (flt_m >> 17); break; - case 5: m = 32 + (flt_m >> 18); break; - case 6: m = 16 + (flt_m >> 19); break; - case 7: m = 8 + (flt_m >> 20); break; - case 8: m = 4 + (flt_m >> 21); break; - case 9: m = 2 + (flt_m >> 22); break; - case 10: m = 1; break; - } + m = _mesa_round_to_even((1 << 24) * fabsf(fi.f)); } else if (new_exp > 15) { /* map this value to infinity */ @@ -389,12 +403,26 @@ _mesa_float_to_half(float val) e = 31; } else { - /* regular */ + /* The float32 lies in the range + * [min_normal16, max_normal16 + max_step16) + * and is rounded to a nearby float16 value. The result will be + * either normal or infinite. + */ e = new_exp + 15; - m = flt_m >> 13; + m = _mesa_round_to_even(flt_m / (float) (1 << 13)); } } + assert(0 <= m && m <= 1024); + if (m == 1024) { + /* The float32 was rounded upwards into the range of the next exponent, + * so bump the exponent. This correctly handles the case where f32 + * should be rounded up to float16 infinity. + */ + ++e; + m = 0; + } + result = (s << 15) | (e << 10) | m; return result; } diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h index 8446ea2a3..4b783818b 100644 --- a/mesalib/src/mesa/main/imports.h +++ b/mesalib/src/mesa/main/imports.h @@ -548,6 +548,9 @@ _mesa_fls(unsigned int n) #endif } +extern int +_mesa_round_to_even(float val); + extern GLhalfARB _mesa_float_to_half(float f); diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h index d37e6c4c0..3369623f7 100644 --- a/mesalib/src/mesa/main/mtypes.h +++ b/mesalib/src/mesa/main/mtypes.h @@ -2273,11 +2273,30 @@ typedef enum struct gl_uniform_buffer_variable { char *Name; + + /** + * Name of the uniform as seen by glGetUniformIndices. + * + * glGetUniformIndices requires that the block instance index \b not be + * present in the name of queried uniforms. + * + * \note + * \c gl_uniform_buffer_variable::IndexName and + * \c gl_uniform_buffer_variable::Name may point to identical storage. + */ + char *IndexName; + const struct glsl_type *Type; unsigned int Offset; GLboolean RowMajor; }; +enum gl_uniform_block_packing { + ubo_packing_std140, + ubo_packing_shared, + ubo_packing_packed +}; + struct gl_uniform_block { /** Declared name of the uniform block */ @@ -2299,6 +2318,14 @@ struct gl_uniform_block * (GL_UNIFORM_BLOCK_DATA_SIZE). */ GLuint UniformBufferSize; + + /** + * Layout specified in the shader + * + * This isn't accessible through the API, but it is used while + * cross-validating uniform blocks. + */ + enum gl_uniform_block_packing _Packing; }; /** @@ -3042,6 +3069,7 @@ struct gl_extensions GLboolean ARB_shader_stencil_export; GLboolean ARB_shader_texture_lod; GLboolean ARB_shading_language_100; + GLboolean ARB_shading_language_packing; GLboolean ARB_shadow; GLboolean ARB_sync; GLboolean ARB_texture_border_clamp; diff --git a/mesalib/src/mesa/main/remap.c b/mesalib/src/mesa/main/remap.c index c89fba453..a09870561 100644 --- a/mesalib/src/mesa/main/remap.c +++ b/mesalib/src/mesa/main/remap.c @@ -208,8 +208,10 @@ _mesa_do_init_remap_table(const char *pool, offset = _mesa_map_function_spec(spec); /* store the dispatch offset in the remap table */ driDispatchRemapTable[i] = offset; - if (offset < 0) - _mesa_warning(NULL, "failed to remap index %d", i); + if (offset < 0) { + const char *name = spec + strlen(spec) + 1; + _mesa_warning(NULL, "failed to remap %s", name); + } } } diff --git a/mesalib/src/mesa/main/shader_query.cpp b/mesalib/src/mesa/main/shader_query.cpp index 27b1b8f56..3014a9778 100644 --- a/mesalib/src/mesa/main/shader_query.cpp +++ b/mesalib/src/mesa/main/shader_query.cpp @@ -106,7 +106,7 @@ _mesa_GetActiveAttrib(GLhandleARB program, GLuint desired_index, const ir_variable *const var = ((ir_instruction *) node)->as_variable(); if (var == NULL - || var->mode != ir_var_in + || var->mode != ir_var_shader_in || var->location == -1) continue; @@ -169,7 +169,7 @@ _mesa_GetAttribLocation(GLhandleARB program, const GLcharARB * name) * attribute, or if an error occurs, -1 will be returned." */ if (var == NULL - || var->mode != ir_var_in + || var->mode != ir_var_shader_in || var->location == -1 || var->location < VERT_ATTRIB_GENERIC0) continue; @@ -197,7 +197,7 @@ _mesa_count_active_attribs(struct gl_shader_program *shProg) const ir_variable *const var = ((ir_instruction *) node)->as_variable(); if (var == NULL - || var->mode != ir_var_in + || var->mode != ir_var_shader_in || var->location == -1) continue; @@ -223,7 +223,7 @@ _mesa_longest_attribute_name_length(struct gl_shader_program *shProg) const ir_variable *const var = ((ir_instruction *) node)->as_variable(); if (var == NULL - || var->mode != ir_var_in + || var->mode != ir_var_shader_in || var->location == -1) continue; @@ -333,7 +333,7 @@ _mesa_GetFragDataIndex(GLuint program, const GLchar *name) * attribute, or if an error occurs, -1 will be returned." */ if (var == NULL - || var->mode != ir_var_out + || var->mode != ir_var_shader_out || var->location == -1 || var->location < FRAG_RESULT_DATA0) continue; @@ -389,7 +389,7 @@ _mesa_GetFragDataLocation(GLuint program, const GLchar *name) * attribute, or if an error occurs, -1 will be returned." */ if (var == NULL - || var->mode != ir_var_out + || var->mode != ir_var_shader_out || var->location == -1 || var->location < FRAG_RESULT_DATA0) continue; diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c index 8d0ae16fb..52ede13c0 100644 --- a/mesalib/src/mesa/main/texparam.c +++ b/mesalib/src/mesa/main/texparam.c @@ -1388,10 +1388,10 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture) goto invalid_pname; - params[0] = obj->CropRect[0]; - params[1] = obj->CropRect[1]; - params[2] = obj->CropRect[2]; - params[3] = obj->CropRect[3]; + params[0] = (GLfloat) obj->CropRect[0]; + params[1] = (GLfloat) obj->CropRect[1]; + params[2] = (GLfloat) obj->CropRect[2]; + params[3] = (GLfloat) obj->CropRect[3]; break; case GL_TEXTURE_SWIZZLE_R_EXT: diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c index 62c85b3c0..d902407a0 100644 --- a/mesalib/src/mesa/main/uniforms.c +++ b/mesalib/src/mesa/main/uniforms.c @@ -695,7 +695,7 @@ _mesa_GetActiveUniformBlockiv(GLuint program, for (i = 0; i < block->NumUniforms; i++) { unsigned offset; params[i] = _mesa_get_uniform_location(ctx, shProg, - block->Uniforms[i].Name, + block->Uniforms[i].IndexName, &offset); } return; diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c index 4373d7b91..e944a5518 100644 --- a/mesalib/src/mesa/main/version.c +++ b/mesalib/src/mesa/main/version.c @@ -323,7 +323,30 @@ compute_version_es2(struct gl_context *ctx) ctx->Extensions.ARB_fragment_shader && ctx->Extensions.ARB_texture_non_power_of_two && ctx->Extensions.EXT_blend_equation_separate); - if (ver_2_0) { + /* FINISHME: This list isn't quite right. */ + const GLboolean ver_3_0 = (ctx->Extensions.ARB_half_float_vertex && + ctx->Extensions.ARB_internalformat_query && + ctx->Extensions.ARB_map_buffer_range && + ctx->Extensions.ARB_shader_texture_lod && + ctx->Extensions.ARB_texture_float && + ctx->Extensions.ARB_texture_rg && + ctx->Extensions.ARB_texture_compression_rgtc && + ctx->Extensions.EXT_draw_buffers2 && + /* ctx->Extensions.ARB_framebuffer_object && */ + ctx->Extensions.EXT_framebuffer_sRGB && + ctx->Extensions.EXT_packed_float && + ctx->Extensions.EXT_texture_array && + ctx->Extensions.EXT_texture_shared_exponent && + ctx->Extensions.EXT_transform_feedback && + ctx->Extensions.NV_conditional_render && + ctx->Extensions.ARB_draw_instanced && + ctx->Extensions.ARB_uniform_buffer_object && + ctx->Extensions.EXT_texture_snorm && + ctx->Extensions.NV_primitive_restart && + ctx->Extensions.OES_depth_texture_cube_map); + if (ver_3_0) { + ctx->Version = 30; + } else if (ver_2_0) { ctx->Version = 20; } else { _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support."); -- cgit v1.2.3