diff options
Diffstat (limited to 'src/mesa/main')
-rw-r--r-- | src/mesa/main/uniform_query.cpp | 73 |
1 files changed, 50 insertions, 23 deletions
diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp index e613898713b..c6488325a84 100644 --- a/src/mesa/main/uniform_query.cpp +++ b/src/mesa/main/uniform_query.cpp @@ -782,33 +782,27 @@ glsl_type_name(enum glsl_base_type type) } -/** - * Called via glUniform*() functions. - */ -extern "C" void -_mesa_uniform(GLint location, GLsizei count, const GLvoid *values, - struct gl_context *ctx, struct gl_shader_program *shProg, - enum glsl_base_type basicType, unsigned src_components) +static struct gl_uniform_storage * +validate_uniform(GLint location, GLsizei count, const GLvoid *values, + unsigned *offset, struct gl_context *ctx, + struct gl_shader_program *shProg, + enum glsl_base_type basicType, unsigned src_components) { - unsigned offset; - int size_mul = glsl_base_type_is_64bit(basicType) ? 2 : 1; - struct gl_uniform_storage *const uni = - validate_uniform_parameters(location, count, &offset, + validate_uniform_parameters(location, count, offset, ctx, shProg, "glUniform"); if (uni == NULL) - return; + return NULL; if (uni->type->is_matrix()) { /* Can't set matrix uniforms (like mat4) with glUniform */ _mesa_error(ctx, GL_INVALID_OPERATION, "glUniform%u(uniform \"%s\"@%d is matrix)", src_components, uni->name, location); - return; + return NULL; } - /* Verify that the types are compatible. - */ + /* Verify that the types are compatible. */ const unsigned components = uni->type->is_sampler() ? 1 : uni->type->vector_elements; @@ -818,7 +812,7 @@ _mesa_uniform(GLint location, GLsizei count, const GLvoid *values, "glUniform%u(\"%s\"@%u has %u components, not %u)", src_components, uni->name, location, components, src_components); - return; + return NULL; } bool match; @@ -843,12 +837,12 @@ _mesa_uniform(GLint location, GLsizei count, const GLvoid *values, src_components, uni->name, location, glsl_type_name(uni->type->base_type), glsl_type_name(basicType)); - return; + return NULL; } if (unlikely(ctx->_Shader->Flags & GLSL_UNIFORMS)) { log_uniform(values, basicType, components, 1, count, - false, shProg, location, uni); + false, shProg, location, uni); } /* Page 100 (page 116 of the PDF) of the OpenGL 3.0 spec says: @@ -870,15 +864,14 @@ _mesa_uniform(GLint location, GLsizei count, const GLvoid *values, */ if (uni->type->is_sampler()) { for (int i = 0; i < count; i++) { - const unsigned texUnit = ((unsigned *) values)[i]; + const unsigned texUnit = ((unsigned *) values)[i]; /* check that the sampler (tex unit index) is legal */ if (texUnit >= ctx->Const.MaxCombinedTextureImageUnits) { _mesa_error(ctx, GL_INVALID_VALUE, "glUniform1i(invalid sampler/tex unit index for " - "uniform %d)", - location); - return; + "uniform %d)", location); + return NULL; } } /* We need to reset the validate flag on changes to samplers in case @@ -896,11 +889,45 @@ _mesa_uniform(GLint location, GLsizei count, const GLvoid *values, _mesa_error(ctx, GL_INVALID_VALUE, "glUniform1i(invalid image unit index for uniform %d)", location); - return; + return NULL; } } } + return uni; +} + + +/** + * Called via glUniform*() functions. + */ +extern "C" void +_mesa_uniform(GLint location, GLsizei count, const GLvoid *values, + struct gl_context *ctx, struct gl_shader_program *shProg, + enum glsl_base_type basicType, unsigned src_components) +{ + unsigned offset; + int size_mul = glsl_base_type_is_64bit(basicType) ? 2 : 1; + + struct gl_uniform_storage *uni; + if (_mesa_is_no_error_enabled(ctx)) { + uni = shProg->UniformRemapTable[location]; + + /* The array index specified by the uniform location is just the + * uniform location minus the base location of of the uniform. + */ + assert(uni->array_elements > 0 || location == (int)uni->remap_location); + offset = location - uni->remap_location; + } else { + uni = validate_uniform(location, count, values, &offset, ctx, shProg, + basicType, src_components); + if (!uni) + return; + } + + const unsigned components = uni->type->is_sampler() + ? 1 : uni->type->vector_elements; + /* 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 |