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push constants

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This commit is contained in:
Greg Wells
2025-07-01 12:32:44 -04:00
parent f7f5d4b3a4
commit dd84b3bef3
3 changed files with 10 additions and 7 deletions
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1
projects/apis/metal/src/shader_module/metal_shader_module.h
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@@ -12,6 +12,7 @@ GN_ARRAY_LIST(metalBindingMap);
typedef struct metalBindingMaps {
metalBindingMapArrayList uniformBufferMaps;
uint32_t pushConstantIndex;
metalBindingMapArrayList textureMaps;
} metalBindingMaps;

12
projects/apis/metal/src/shader_module/metal_shader_module.m
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@@ -83,14 +83,16 @@ gnReturnCode createMetalShaderModule(gnShaderModule module, gnDevice device, gnS
spvc_compiler_create_shader_resources(compiler, &resources);
spvc_resources_get_resource_list_for_type(resources, SPVC_RESOURCE_TYPE_PUSH_CONSTANT, &list, &count);
for (int i = 0; i < count; i++) {
// TODO: get the buffer index
}
module->shaderModule->maps.uniformBufferMaps = loadUniformBufferInformation(resources, compiler, shaderModuleInfo.stage);
module->shaderModule->maps.textureMaps = loadTextureBindingInformation(resources, compiler);
spvc_resources_get_resource_list_for_type(resources, SPVC_RESOURCE_TYPE_PUSH_CONSTANT, &list, &count);
for (int i = 0; i < count; i++) {
spvc_compiler_unset_decoration(compiler, list[i].id, SpvDecorationBinding);
module->shaderModule->maps.pushConstantIndex = module->shaderModule->maps.uniformBufferMaps.data[module->shaderModule->maps.uniformBufferMaps.count - 1].metalBindingIndex + 1;
spvc_compiler_set_decoration(compiler, list[i].id, SpvDecorationBinding, module->shaderModule->maps.pushConstantIndex);
}
spvc_compiler_create_compiler_options(compiler, &options);
spvc_compiler_options_set_uint(options, SPVC_COMPILER_OPTION_MSL_VERSION, 200);
spvc_compiler_options_set_bool(options, SPVC_COMPILER_OPTION_MSL_ENABLE_DECORATION_BINDING, true);