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Vulkan: Resolve Builtin Uniform(Block).

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Resolving builtin uniforms and uniform blocks when creating
shader interface. This maps builtin uniforms to uniforms
defined by the shader. Works the same as the OpenGL
builtin uniforms.

Pull Request #105128
This commit is contained in:
Jeroen Bakker
2023-02-23 14:50:49 +01:00
parent 90f5b2f0ce
commit f5c0b2433f
1 changed files with 14 additions and 0 deletions
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14
source/blender/gpu/vulkan/vk_shader_interface.cc
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@@ -85,6 +85,20 @@ void VKShaderInterface::init(const shader::ShaderCreateInfo &info)
sort_inputs();
/* Builtin Uniforms */
for (int32_t u_int = 0; u_int < GPU_NUM_UNIFORMS; u_int++) {
GPUUniformBuiltin u = static_cast<GPUUniformBuiltin>(u_int);
const ShaderInput *uni = this->uniform_get(builtin_uniform_name(u));
builtins_[u] = (uni != nullptr) ? uni->location : -1;
}
/* Builtin Uniforms Blocks */
for (int32_t u_int = 0; u_int < GPU_NUM_UNIFORM_BLOCKS; u_int++) {
GPUUniformBlockBuiltin u = static_cast<GPUUniformBlockBuiltin>(u_int);
const ShaderInput *block = this->ubo_get(builtin_uniform_block_name(u));
builtin_blocks_[u] = (block != nullptr) ? block->binding : -1;
}
/* Determine the descriptor set locations after the inputs have been sorted.*/
descriptor_set_locations_ = Array<VKDescriptorSet::Location>(input_tot_len);
uint32_t descriptor_set_location = 0;