gl_shader_manager: Update pipeline when programs have changed
This commit is contained in:
parent
7befe0134d
commit
e8620eaa9a
|
@ -60,6 +60,17 @@ public:
|
||||||
}
|
}
|
||||||
|
|
||||||
void ApplyTo(OpenGLState& state) {
|
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
|
// Workaround for AMD bug
|
||||||
glUseProgramStages(pipeline.handle,
|
glUseProgramStages(pipeline.handle,
|
||||||
GL_VERTEX_SHADER_BIT | GL_GEOMETRY_SHADER_BIT | GL_FRAGMENT_SHADER_BIT,
|
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_VERTEX_SHADER_BIT, vs);
|
||||||
glUseProgramStages(pipeline.handle, GL_GEOMETRY_SHADER_BIT, gs);
|
glUseProgramStages(pipeline.handle, GL_GEOMETRY_SHADER_BIT, gs);
|
||||||
glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fs);
|
glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fs);
|
||||||
state.draw.shader_program = 0;
|
|
||||||
state.draw.program_pipeline = pipeline.handle;
|
// Update the old values
|
||||||
state.geometry_shaders.enabled = (gs != 0);
|
old_vs = vs;
|
||||||
|
old_fs = fs;
|
||||||
|
old_gs = gs;
|
||||||
}
|
}
|
||||||
|
|
||||||
private:
|
|
||||||
OGLPipeline pipeline;
|
OGLPipeline pipeline;
|
||||||
GLuint vs{}, fs{}, gs{};
|
GLuint vs{}, fs{}, gs{};
|
||||||
|
GLuint old_vs{}, old_fs{}, old_gs{};
|
||||||
};
|
};
|
||||||
|
|
||||||
} // namespace OpenGL::GLShader
|
} // namespace OpenGL::GLShader
|
||||||
|
|
Loading…
Reference in New Issue