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gl_rasterizer: Add queued commands counter
Keep track of the queued OpenGL commands that can signal a fence if waited on. As a side effect, we avoid calls to glFlush when no commands are queued.
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@ -541,6 +541,8 @@ void RasterizerOpenGL::Clear() {
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} else if (use_stencil) {
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glClearBufferiv(GL_STENCIL, 0, ®s.clear_stencil);
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}
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++num_queued_commands;
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}
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void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
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@ -641,6 +643,8 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
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glTextureBarrier();
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}
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++num_queued_commands;
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const GLuint base_instance = static_cast<GLuint>(gpu.regs.vb_base_instance);
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const GLsizei num_instances =
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static_cast<GLsizei>(is_instanced ? gpu.mme_draw.instance_count : 1);
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@ -710,6 +714,7 @@ void RasterizerOpenGL::DispatchCompute(GPUVAddr code_addr) {
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state.ApplyProgramPipeline();
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glDispatchCompute(launch_desc.grid_dim_x, launch_desc.grid_dim_y, launch_desc.grid_dim_z);
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++num_queued_commands;
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}
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void RasterizerOpenGL::ResetCounter(VideoCore::QueryType type) {
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@ -762,10 +767,18 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(CacheAddr addr, u64 size) {
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}
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void RasterizerOpenGL::FlushCommands() {
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// Only flush when we have commands queued to OpenGL.
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if (num_queued_commands == 0) {
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return;
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}
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num_queued_commands = 0;
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glFlush();
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}
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void RasterizerOpenGL::TickFrame() {
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// Ticking a frame means that buffers will be swapped, calling glFlush implicitly.
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num_queued_commands = 0;
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buffer_cache.TickFrame();
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}
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@ -226,6 +226,9 @@ private:
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void SetupShaders(GLenum primitive_mode);
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HostCounter samples_passed{GL_SAMPLES_PASSED};
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/// Number of commands queued to the OpenGL driver. Reseted on flush.
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std::size_t num_queued_commands = 0;
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};
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} // namespace OpenGL
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