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OGL: Support returning pipeline cache data

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This commit is contained in:
Stenzek
2019-04-15 23:38:10 +10:00
parent 5cef09e383
commit 616ad378b7
6 changed files with 138 additions and 56 deletions
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111
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -312,7 +312,7 @@ bool ProgramShaderCache::CompileShader(SHADER& shader, const std::string& vcode,
if (shader.gsid)
glAttachShader(shader.glprogid, shader.gsid);
if (g_ogl_config.bSupportsGLSLCache)
if (g_ActiveConfig.backend_info.bSupportsPipelineCacheData)
glProgramParameteri(shader.glprogid, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GL_TRUE);
shader.SetProgramBindings(false);
@ -562,10 +562,12 @@ void ProgramShaderCache::InvalidateLastProgram()
CurrentProgram = 0;
}
const PipelineProgram* ProgramShaderCache::GetPipelineProgram(const GLVertexFormat* vertex_format,
const OGLShader* vertex_shader,
const OGLShader* geometry_shader,
const OGLShader* pixel_shader)
PipelineProgram* ProgramShaderCache::GetPipelineProgram(const GLVertexFormat* vertex_format,
const OGLShader* vertex_shader,
const OGLShader* geometry_shader,
const OGLShader* pixel_shader,
const void* cache_data,
size_t cache_data_size)
{
PipelineProgramKey key = {vertex_shader ? vertex_shader->GetID() : 0,
geometry_shader ? geometry_shader->GetID() : 0,
@ -580,39 +582,69 @@ const PipelineProgram* ProgramShaderCache::GetPipelineProgram(const GLVertexForm
}
}
// We temporarily change the vertex array to the pipeline's vertex format.
// This can prevent the NVIDIA OpenGL driver from recompiling on first use.
GLuint vao = vertex_format ? vertex_format->VAO : s_attributeless_VAO;
if (s_is_shared_context || vao != s_last_VAO)
glBindVertexArray(vao);
std::unique_ptr<PipelineProgram> prog = std::make_unique<PipelineProgram>();
prog->key = key;
// Attach shaders.
ASSERT(vertex_shader && vertex_shader->GetStage() == ShaderStage::Vertex);
ASSERT(pixel_shader && pixel_shader->GetStage() == ShaderStage::Pixel);
prog->shader.glprogid = glCreateProgram();
glAttachShader(prog->shader.glprogid, vertex_shader->GetGLShaderID());
glAttachShader(prog->shader.glprogid, pixel_shader->GetGLShaderID());
if (geometry_shader)
// Use the cache data, if present. If this fails, we want to return an error, so the shader cache
// doesn't attempt to use the same binary data in the future.
if (cache_data_size >= sizeof(u32))
{
ASSERT(geometry_shader->GetStage() == ShaderStage::Geometry);
glAttachShader(prog->shader.glprogid, geometry_shader->GetGLShaderID());
u32 program_binary_type;
std::memcpy(&program_binary_type, cache_data, sizeof(u32));
glProgramBinary(prog->shader.glprogid, static_cast<GLenum>(program_binary_type),
static_cast<const u8*>(cache_data) + sizeof(u32),
static_cast<GLsizei>(cache_data_size - sizeof(u32)));
// Check the link status. If this fails, it means the binary was invalid.
GLint link_status;
glGetProgramiv(prog->shader.glprogid, GL_LINK_STATUS, &link_status);
if (link_status != GL_TRUE)
{
WARN_LOG(VIDEO, "Failed to create GL program from program binary.");
prog->shader.Destroy();
return nullptr;
}
// We don't want to retrieve this binary and duplicate entries in the cache again.
// See the explanation in OGLPipeline.cpp.
prog->binary_retrieved = true;
}
// Link program.
prog->shader.SetProgramBindings(false);
glLinkProgram(prog->shader.glprogid);
// Restore VAO binding after linking.
if (!s_is_shared_context && vao != s_last_VAO)
glBindVertexArray(s_last_VAO);
if (!ProgramShaderCache::CheckProgramLinkResult(prog->shader.glprogid, {}, {}, {}))
else
{
prog->shader.Destroy();
return nullptr;
// We temporarily change the vertex array to the pipeline's vertex format.
// This can prevent the NVIDIA OpenGL driver from recompiling on first use.
GLuint vao = vertex_format ? vertex_format->VAO : s_attributeless_VAO;
if (s_is_shared_context || vao != s_last_VAO)
glBindVertexArray(vao);
// Attach shaders.
ASSERT(vertex_shader && vertex_shader->GetStage() == ShaderStage::Vertex);
ASSERT(pixel_shader && pixel_shader->GetStage() == ShaderStage::Pixel);
glAttachShader(prog->shader.glprogid, vertex_shader->GetGLShaderID());
glAttachShader(prog->shader.glprogid, pixel_shader->GetGLShaderID());
if (geometry_shader)
{
ASSERT(geometry_shader->GetStage() == ShaderStage::Geometry);
glAttachShader(prog->shader.glprogid, geometry_shader->GetGLShaderID());
}
if (g_ActiveConfig.backend_info.bSupportsPipelineCacheData)
glProgramParameteri(prog->shader.glprogid, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GL_TRUE);
// Link program.
prog->shader.SetProgramBindings(false);
glLinkProgram(prog->shader.glprogid);
// Restore VAO binding after linking.
if (!s_is_shared_context && vao != s_last_VAO)
glBindVertexArray(s_last_VAO);
if (!ProgramShaderCache::CheckProgramLinkResult(prog->shader.glprogid, {}, {}, {}))
{
prog->shader.Destroy();
return nullptr;
}
}
// Lock to insert. A duplicate program may have been created in the meantime.
@ -639,16 +671,17 @@ const PipelineProgram* ProgramShaderCache::GetPipelineProgram(const GLVertexForm
return ip.first->second.get();
}
void ProgramShaderCache::ReleasePipelineProgram(const PipelineProgram* prog)
void ProgramShaderCache::ReleasePipelineProgram(PipelineProgram* prog)
{
if (--prog->reference_count > 0)
return;
prog->shader.Destroy();
std::lock_guard<std::mutex> guard(s_pipeline_program_lock);
auto iter = s_pipeline_programs.find(prog->key);
ASSERT(iter != s_pipeline_programs.end() && prog == iter->second.get());
if (--iter->second->reference_count == 0)
{
iter->second->shader.Destroy();
s_pipeline_programs.erase(iter);
}
s_pipeline_programs.erase(iter);
}
void ProgramShaderCache::CreateHeader()