diff options
author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2018-12-09 22:33:10 +0100 |
---|---|---|
committer | FernandoS27 <fsahmkow27@gmail.com> | 2018-12-09 22:33:33 +0100 |
commit | d5d77848e68ff9571797dd7df6242f0ab25f6fd3 (patch) | |
tree | e818fbe21b23f97907bde07e491bdbb41f8b7137 /src/video_core/renderer_opengl/gl_shader_cache.cpp | |
parent | Merge pull request #1868 from lioncash/config (diff) | |
download | yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.tar yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.tar.gz yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.tar.bz2 yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.tar.lz yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.tar.xz yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.tar.zst yuzu-d5d77848e68ff9571797dd7df6242f0ab25f6fd3.zip |
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_cache.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_cache.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp index 038b25c75..a4265f498 100644 --- a/src/video_core/renderer_opengl/gl_shader_cache.cpp +++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp @@ -2,7 +2,9 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <boost/functional/hash.hpp> #include "common/assert.h" +#include "common/hash.h" #include "core/core.h" #include "core/memory.h" #include "video_core/engines/maxwell_3d.h" @@ -66,14 +68,17 @@ CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type) // stage here. setup.SetProgramB(GetShaderCode(GetShaderAddress(Maxwell::ShaderProgram::VertexB))); case Maxwell::ShaderProgram::VertexB: + CalculateProperties(); program_result = GLShader::GenerateVertexShader(setup); gl_type = GL_VERTEX_SHADER; break; case Maxwell::ShaderProgram::Geometry: + CalculateProperties(); program_result = GLShader::GenerateGeometryShader(setup); gl_type = GL_GEOMETRY_SHADER; break; case Maxwell::ShaderProgram::Fragment: + CalculateProperties(); program_result = GLShader::GenerateFragmentShader(setup); gl_type = GL_FRAGMENT_SHADER; break; @@ -140,6 +145,46 @@ GLuint CachedShader::LazyGeometryProgram(OGLProgram& target_program, return target_program.handle; }; +static bool IsSchedInstruction(u32 offset, u32 main_offset) { + // sched instructions appear once every 4 instructions. + static constexpr std::size_t SchedPeriod = 4; + const std::size_t absolute_offset = offset - main_offset; + return (absolute_offset % SchedPeriod) == 0; +} + +static std::size_t CalculateProgramSize(const GLShader::ProgramCode& program) { + const std::size_t start_offset = 10; + std::size_t offset = start_offset; + std::size_t size = start_offset * sizeof(u64); + while (offset < program.size()) { + const u64 inst = program[offset]; + if (!IsSchedInstruction(offset, start_offset)) { + if (inst == 0 || (inst >> 52) == 0x50b) { + break; + } + } + size += 8; + offset++; + } + return size; +} + +void CachedShader::CalculateProperties() { + setup.program.real_size = CalculateProgramSize(setup.program.code); + setup.program.real_size_b = 0; + setup.program.unique_identifier = Common::CityHash64( + reinterpret_cast<const char*>(setup.program.code.data()), setup.program.real_size); + if (program_type == Maxwell::ShaderProgram::VertexA) { + std::size_t seed = 0; + boost::hash_combine(seed, setup.program.unique_identifier); + setup.program.real_size_b = CalculateProgramSize(setup.program.code_b); + const u64 identifier_b = Common::CityHash64( + reinterpret_cast<const char*>(setup.program.code_b.data()), setup.program.real_size_b); + boost::hash_combine(seed, identifier_b); + setup.program.unique_identifier = static_cast<u64>(seed); + } +} + ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer) : RasterizerCache{rasterizer} {} Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) { |