X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Funiform_query.cpp;h=609d94bd7457fc57996fc6b278b13e66d0425a8f;hb=637b6c24785d202e0f608c8dec098d63d857ae0e;hp=296f80f17bfba5170d1d9117b0617cc0d314089b;hpb=5097f358419c067a71e96e39764b3bb0a716bdbb;p=mesa.git diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp index 296f80f17bf..609d94bd745 100644 --- a/src/mesa/main/uniform_query.cpp +++ b/src/mesa/main/uniform_query.cpp @@ -33,15 +33,16 @@ #include "program/hash_table.h" #include "../glsl/program.h" #include "../glsl/ir_uniform.h" +#include "../glsl/glsl_parser_extras.h" #include "main/shaderapi.h" #include "main/shaderobj.h" #include "uniforms.h" extern "C" void GLAPIENTRY -_mesa_GetActiveUniform(GLhandleARB program, GLuint index, - GLsizei maxLength, GLsizei *length, GLint *size, - GLenum *type, GLcharARB *nameOut) +_mesa_GetActiveUniform(GLuint program, GLuint index, + GLsizei maxLength, GLsizei *length, GLint *size, + GLenum *type, GLcharARB *nameOut) { GET_CURRENT_CONTEXT(ctx); struct gl_shader_program *shProg = @@ -90,7 +91,7 @@ _mesa_GetActiveUniformsiv(GLuint program, if (uniformCount < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "glGetUniformIndices(uniformCount < 0)"); + "glGetActiveUniformsiv(uniformCount < 0)"); return; } @@ -153,11 +154,21 @@ _mesa_GetActiveUniformsiv(GLuint program, params[i] = uni->row_major; break; + case GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX: + if (!ctx->Extensions.ARB_shader_atomic_counters) + goto invalid_enum; + params[i] = uni->atomic_buffer_index; + break; + default: - _mesa_error(ctx, GL_INVALID_ENUM, "glGetActiveUniformsiv(pname)"); - return; + goto invalid_enum; } } + + return; + + invalid_enum: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetActiveUniformsiv(pname)"); } static bool @@ -235,14 +246,30 @@ validate_uniform_parameters(struct gl_context *ctx, return false; } - _mesa_uniform_split_location_offset(shProg, location, loc, array_index); - - if (*loc >= shProg->NumUserUniformStorage) { + /* Check that the given location is in bounds of uniform remap table. */ + if (location >= (GLint) shProg->NumUniformRemapTable) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)", caller, location); return false; } + /* If the driver storage pointer in remap table is -1, we ignore silently. + * + * GL_ARB_explicit_uniform_location spec says: + * "What happens if Uniform* is called with an explicitly defined + * uniform location, but that uniform is deemed inactive by the + * linker? + * + * RESOLVED: The call is ignored for inactive uniform variables and + * no error is generated." + * + */ + if (shProg->UniformRemapTable[location] == + INACTIVE_UNIFORM_EXPLICIT_LOCATION) + return false; + + _mesa_uniform_split_location_offset(shProg, location, loc, array_index); + if (shProg->UniformStorage[*loc].array_elements == 0 && count > 1) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(count > 1 for non-array, location=%d)", @@ -434,20 +461,14 @@ log_uniform(const void *values, enum glsl_base_type basicType, static void log_program_parameters(const struct gl_shader_program *shProg) { - static const char *stages[] = { - "vertex", "fragment", "geometry" - }; - - assert(Elements(stages) == MESA_SHADER_TYPES); - - for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) { + for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) { if (shProg->_LinkedShaders[i] == NULL) continue; const struct gl_program *const prog = shProg->_LinkedShaders[i]->Program; printf("Program %d %s shader parameters:\n", - shProg->Name, stages[i]); + shProg->Name, _mesa_shader_stage_to_string(i)); for (unsigned j = 0; j < prog->Parameters->NumParameters; j++) { printf("%s: %p %f %f %f %f\n", prog->Parameters->Parameters[j].Name, @@ -679,6 +700,7 @@ _mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg, match = true; break; case GLSL_TYPE_SAMPLER: + case GLSL_TYPE_IMAGE: match = (basicType == GLSL_TYPE_INT); break; default: @@ -691,7 +713,7 @@ _mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg, return; } - if (ctx->Shader.Flags & GLSL_UNIFORMS) { + if (ctx->_Shader->Flags & GLSL_UNIFORMS) { log_uniform(values, basicType, components, 1, count, false, shProg, location, uni); } @@ -730,6 +752,22 @@ _mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg, } } + if (uni->type->is_image()) { + int i; + + for (i = 0; i < count; i++) { + const int unit = ((GLint *) values)[i]; + + /* check that the image unit is legal */ + if (unit < 0 || unit >= (int)ctx->Const.MaxImageUnits) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glUniform1i(invalid image unit index for uniform %d)", + location); + return; + } + } + } + /* Page 82 (page 96 of the PDF) of the OpenGL 2.1 spec says: * * "When loading N elements starting at an arbitrary position k in a @@ -779,7 +817,7 @@ _mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg, int i; bool flushed = false; - for (i = 0; i < MESA_SHADER_TYPES; i++) { + for (i = 0; i < MESA_SHADER_STAGES; i++) { struct gl_shader *const sh = shProg->_LinkedShaders[i]; int j; @@ -825,6 +863,25 @@ _mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg, } } } + + /* If the uniform is an image, update the mapping from image + * uniforms to image units present in the shader data structure. + */ + if (uni->type->is_image()) { + int i, j; + + for (i = 0; i < MESA_SHADER_STAGES; i++) { + if (uni->image[i].active) { + struct gl_shader *sh = shProg->_LinkedShaders[i]; + + for (j = 0; j < count; j++) + sh->ImageUnits[uni->image[i].index + offset + j] = + ((GLint *) values)[j]; + } + } + + ctx->NewDriverState |= ctx->DriverFlags.NewImageUnits; + } } /** @@ -878,7 +935,7 @@ _mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg, } } - if (ctx->Shader.Flags & GLSL_UNIFORMS) { + if (ctx->_Shader->Flags & GLSL_UNIFORMS) { log_uniform(values, GLSL_TYPE_FLOAT, components, vectors, count, bool(transpose), shProg, location, uni); } @@ -1047,3 +1104,80 @@ _mesa_sampler_uniforms_are_valid(const struct gl_shader_program *shProg, return true; } + +extern "C" bool +_mesa_sampler_uniforms_pipeline_are_valid(struct gl_pipeline_object *pipeline) +{ + /* Section 2.11.11 (Shader Execution), subheading "Validation," of the + * OpenGL 4.1 spec says: + * + * "[INVALID_OPERATION] is generated by any command that transfers + * vertices to the GL if: + * + * ... + * + * - Any two active samplers in the current program object are of + * different types, but refer to the same texture image unit. + * + * - The number of active samplers in the program exceeds the + * maximum number of texture image units allowed." + */ + unsigned active_samplers = 0; + const struct gl_shader_program **shProg = + (const struct gl_shader_program **) pipeline->CurrentProgram; + + const glsl_type *unit_types[MAX_COMBINED_TEXTURE_IMAGE_UNITS]; + memset(unit_types, 0, sizeof(unit_types)); + + for (unsigned idx = 0; idx < ARRAY_SIZE(pipeline->CurrentProgram); idx++) { + if (!shProg[idx]) + continue; + + for (unsigned i = 0; i < shProg[idx]->NumUserUniformStorage; i++) { + const struct gl_uniform_storage *const storage = + &shProg[idx]->UniformStorage[i]; + const glsl_type *const t = (storage->type->is_array()) + ? storage->type->fields.array : storage->type; + + if (!t->is_sampler()) + continue; + + active_samplers++; + + const unsigned count = MAX2(1, storage->type->array_size()); + for (unsigned j = 0; j < count; j++) { + const unsigned unit = storage->storage[j].i; + + /* The types of the samplers associated with a particular texture + * unit must be an exact match. Page 74 (page 89 of the PDF) of + * the OpenGL 3.3 core spec says: + * + * "It is not allowed to have variables of different sampler + * types pointing to the same texture image unit within a + * program object." + */ + if (unit_types[unit] == NULL) { + unit_types[unit] = t; + } else if (unit_types[unit] != t) { + pipeline->InfoLog = + ralloc_asprintf(pipeline, + "Texture unit %d is accessed both as %s " + "and %s", + unit, unit_types[unit]->name, t->name); + return false; + } + } + } + } + + if (active_samplers > MAX_COMBINED_TEXTURE_IMAGE_UNITS) { + pipeline->InfoLog = + ralloc_asprintf(pipeline, + "the number of active samplers %d exceed the " + "maximum %d", + active_samplers, MAX_COMBINED_TEXTURE_IMAGE_UNITS); + return false; + } + + return true; +}