123 lines
2.7 KiB
C++
123 lines
2.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2021 Blender Foundation. All rights reserved. */
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/** \file
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* \ingroup gpu
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*
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* Compile time automation of shader compilation and validation.
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*/
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#include <iostream>
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#include "GHOST_C-api.h"
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#include "GPU_context.h"
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#include "GPU_init_exit.h"
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#include "gpu_shader_create_info_private.hh"
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#include "BLI_vector.hh"
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#include "CLG_log.h"
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namespace blender::gpu::shader_builder {
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class ShaderBuilder {
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private:
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GHOST_SystemHandle ghost_system_;
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GHOST_ContextHandle ghost_context_;
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GPUContext *gpu_context_ = nullptr;
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public:
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void init();
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bool bake_create_infos();
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void exit();
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};
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bool ShaderBuilder::bake_create_infos()
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{
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return gpu_shader_create_info_compile_all();
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}
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void ShaderBuilder::init()
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{
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CLG_init();
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GHOST_GLSettings glSettings = {0};
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switch (GPU_backend_type_selection_get()) {
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case GPU_BACKEND_OPENGL:
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glSettings.context_type = GHOST_kDrawingContextTypeOpenGL;
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break;
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#ifdef WITH_METAL_BACKEND
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case GPU_BACKEND_METAL:
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glSettings.context_type = GHOST_kDrawingContextTypeMetal;
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break;
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#endif
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default:
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BLI_assert_unreachable();
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break;
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}
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ghost_system_ = GHOST_CreateSystem();
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ghost_context_ = GHOST_CreateOpenGLContext(ghost_system_, glSettings);
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GHOST_ActivateOpenGLContext(ghost_context_);
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gpu_context_ = GPU_context_create(nullptr, ghost_context_);
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GPU_init();
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}
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void ShaderBuilder::exit()
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{
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GPU_exit();
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GPU_context_discard(gpu_context_);
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GHOST_DisposeOpenGLContext(ghost_system_, ghost_context_);
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GHOST_DisposeSystem(ghost_system_);
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CLG_exit();
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}
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} // namespace blender::gpu::shader_builder
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/** \brief Entry point for the shader_builder. */
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int main(int argc, const char *argv[])
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{
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if (argc < 2) {
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printf("Usage: %s <data_file_to>\n", argv[0]);
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exit(1);
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}
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int exit_code = 0;
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struct NamedBackend {
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std::string name;
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eGPUBackendType backend;
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};
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blender::Vector<NamedBackend> backends_to_validate;
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backends_to_validate.append({"OpenGL", GPU_BACKEND_OPENGL});
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#ifdef WITH_METAL_BACKEND
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backends_to_validate.append({"Metal", GPU_BACKEND_METAL});
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#endif
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for (NamedBackend &backend : backends_to_validate) {
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GPU_backend_type_selection_set(backend.backend);
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if (!GPU_backend_supported()) {
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printf("%s isn't supported on this platform. Shader compilation is skipped\n",
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backend.name.c_str());
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continue;
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}
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blender::gpu::shader_builder::ShaderBuilder builder;
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builder.init();
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if (!builder.bake_create_infos()) {
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printf("Shader compilation failed for %s backend\n", backend.name.c_str());
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exit_code = 1;
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}
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builder.exit();
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}
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exit(exit_code);
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return exit_code;
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}
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