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Merge pull request #1825 from ReinUsesLisp/shader-pipeline-cache 

gl_shader_manager: Update pipeline when programs have changed
This commit is contained in:
bunnei 2018-12-01 23:48:55 -05:00 committed by GitHub
parent a6805e58ce e8620eaa9a
commit 80aa124b1d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 4 deletions
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21
src/video_core/renderer_opengl/gl_shader_manager.h
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@ -60,6 +60,17 @@ public:
}
void ApplyTo(OpenGLState& state) {
UpdatePipeline();
state.draw.shader_program = 0;
state.draw.program_pipeline = pipeline.handle;
state.geometry_shaders.enabled = (gs != 0);
}
private:
void UpdatePipeline() {
// Avoid updating the pipeline when values have no changed
if (old_vs == vs && old_fs == fs && old_gs == gs)
return;
// Workaround for AMD bug
glUseProgramStages(pipeline.handle,
GL_VERTEX_SHADER_BIT | GL_GEOMETRY_SHADER_BIT | GL_FRAGMENT_SHADER_BIT,
@ -68,14 +79,16 @@ public:
glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, vs);
glUseProgramStages(pipeline.handle, GL_GEOMETRY_SHADER_BIT, gs);
glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fs);
state.draw.shader_program = 0;
state.draw.program_pipeline = pipeline.handle;
state.geometry_shaders.enabled = (gs != 0);
// Update the old values
old_vs = vs;
old_fs = fs;
old_gs = gs;
}
private:
OGLPipeline pipeline;
GLuint vs{}, fs{}, gs{};
GLuint old_vs{}, old_fs{}, old_gs{};
};
} // namespace OpenGL::GLShader