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glasm: Initial GLASM compute implementation for testing
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@ -29,11 +29,11 @@ bool ComputeProgramKey::operator==(const ComputeProgramKey& rhs) const noexcept
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ComputeProgram::ComputeProgram(TextureCache& texture_cache_, BufferCache& buffer_cache_,
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Tegra::MemoryManager& gpu_memory_,
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Tegra::Engines::KeplerCompute& kepler_compute_,
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ProgramManager& program_manager_, OGLProgram program_,
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const Shader::Info& info_)
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ProgramManager& program_manager_, const Shader::Info& info_,
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OGLProgram source_program_, OGLAssemblyProgram assembly_program_)
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: texture_cache{texture_cache_}, buffer_cache{buffer_cache_}, gpu_memory{gpu_memory_},
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kepler_compute{kepler_compute_},
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program_manager{program_manager_}, program{std::move(program_)}, info{info_} {
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kepler_compute{kepler_compute_}, program_manager{program_manager_}, info{info_},
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source_program{std::move(source_program_)}, assembly_program{std::move(assembly_program_)} {
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for (const auto& desc : info.texture_buffer_descriptors) {
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num_texture_buffers += desc.count;
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}
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@ -124,6 +124,14 @@ void ComputeProgram::Configure() {
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const std::span indices_span(image_view_indices.data(), image_view_indices.size());
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texture_cache.FillComputeImageViews(indices_span, image_view_ids);
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if (assembly_program.handle != 0) {
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// FIXME: State track this
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glEnable(GL_COMPUTE_PROGRAM_NV);
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glBindProgramARB(GL_COMPUTE_PROGRAM_NV, assembly_program.handle);
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program_manager.BindProgram(0);
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} else {
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program_manager.BindProgram(source_program.handle);
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}
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buffer_cache.UnbindComputeTextureBuffers();
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size_t texbuf_index{};
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const auto add_buffer{[&](const auto& desc) {
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@ -172,7 +180,6 @@ void ComputeProgram::Configure() {
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if (image_binding != 0) {
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glBindImageTextures(0, image_binding, images.data());
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}
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program_manager.BindProgram(program.handle);
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}
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} // namespace OpenGL
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@ -52,8 +52,8 @@ public:
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explicit ComputeProgram(TextureCache& texture_cache_, BufferCache& buffer_cache_,
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Tegra::MemoryManager& gpu_memory_,
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Tegra::Engines::KeplerCompute& kepler_compute_,
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ProgramManager& program_manager_, OGLProgram program_,
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const Shader::Info& info_);
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ProgramManager& program_manager_, const Shader::Info& info_,
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OGLProgram source_program_, OGLAssemblyProgram assembly_program_);
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void Configure();
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@ -64,8 +64,9 @@ private:
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Tegra::Engines::KeplerCompute& kepler_compute;
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ProgramManager& program_manager;
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OGLProgram program;
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Shader::Info info;
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OGLProgram source_program;
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OGLAssemblyProgram assembly_program;
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u32 num_texture_buffers{};
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u32 num_image_buffers{};
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@ -16,6 +16,7 @@
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#include "common/scope_exit.h"
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#include "core/core.h"
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#include "core/frontend/emu_window.h"
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#include "shader_recompiler/backend/glasm/emit_glasm.h"
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#include "shader_recompiler/backend/spirv/emit_spirv.h"
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#include "shader_recompiler/frontend/ir/program.h"
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#include "shader_recompiler/frontend/maxwell/control_flow.h"
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@ -89,6 +90,7 @@ const Shader::Profile profile{
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.xfb_varyings = {},
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};
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using Shader::Backend::GLASM::EmitGLASM;
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using Shader::Backend::SPIRV::EmitSPIRV;
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using Shader::Maxwell::TranslateProgram;
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using VideoCommon::ComputeEnvironment;
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@ -151,6 +153,22 @@ void LinkProgram(GLuint program) {
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}
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}
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OGLAssemblyProgram CompileProgram(std::string_view code, GLenum target) {
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OGLAssemblyProgram program;
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glGenProgramsARB(1, &program.handle);
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glNamedProgramStringEXT(program.handle, target, GL_PROGRAM_FORMAT_ASCII_ARB,
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static_cast<GLsizei>(code.size()), code.data());
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if (!Settings::values.renderer_debug) {
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return program;
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}
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const auto err = reinterpret_cast<const char*>(glGetString(GL_PROGRAM_ERROR_STRING_NV));
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if (err && *err) {
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LOG_CRITICAL(Render_OpenGL, "{}", err);
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LOG_INFO(Render_OpenGL, "{}", code);
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}
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return program;
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}
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GLenum Stage(size_t stage_index) {
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switch (stage_index) {
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case 0:
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@ -294,13 +312,20 @@ std::unique_ptr<ComputeProgram> ShaderCache::CreateComputeProgram(ShaderPools& p
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Shader::Maxwell::Flow::CFG cfg{env, pools.flow_block, env.StartAddress()};
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Shader::IR::Program program{TranslateProgram(pools.inst, pools.block, env, cfg)};
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const std::vector<u32> code{EmitSPIRV(profile, program)};
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OGLProgram gl_program;
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gl_program.handle = glCreateProgram();
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AddShader(GL_COMPUTE_SHADER, gl_program.handle, code);
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LinkProgram(gl_program.handle);
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OGLAssemblyProgram asm_program;
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OGLProgram source_program;
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if (device.UseAssemblyShaders()) {
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const std::string code{EmitGLASM(profile, program)};
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asm_program = CompileProgram(code, GL_COMPUTE_PROGRAM_NV);
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} else {
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const std::vector<u32> code{EmitSPIRV(profile, program)};
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source_program.handle = glCreateProgram();
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AddShader(GL_COMPUTE_SHADER, source_program.handle, code);
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LinkProgram(source_program.handle);
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}
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return std::make_unique<ComputeProgram>(texture_cache, buffer_cache, gpu_memory, kepler_compute,
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program_manager, std::move(gl_program), program.info);
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program_manager, program.info,
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std::move(source_program), std::move(asm_program));
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}
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} // namespace OpenGL
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