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Shadow state to eliminate most redundant GL calls.

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This commit is contained in:
Ben Vanik
2015-01-03 02:57:58 -08:00
parent 858f70549f
commit 07a82200f9
4 changed files with 320 additions and 160 deletions
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67
src/xenia/gpu/gl4/command_processor.h
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@@ -237,6 +237,10 @@ class CommandProcessor {
bool IssueDraw(DrawCommand* draw_command);
bool UpdateRenderTargets(DrawCommand* draw_command);
bool UpdateState(DrawCommand* draw_command);
bool UpdateViewportState(DrawCommand* draw_command);
bool UpdateRasterizerState(DrawCommand* draw_command);
bool UpdateBlendState(DrawCommand* draw_command);
bool UpdateDepthStencilState(DrawCommand* draw_command);
bool UpdateConstants(DrawCommand* draw_command);
bool UpdateShaders(DrawCommand* draw_command);
bool PopulateIndexBuffer(DrawCommand* draw_command);
@@ -287,7 +291,6 @@ class CommandProcessor {
std::unordered_map<uint64_t, GL4Shader*> shader_cache_;
GL4Shader* active_vertex_shader_;
GL4Shader* active_pixel_shader_;
CachedPipeline* active_pipeline_;
CachedFramebuffer* active_framebuffer_;
std::vector<CachedFramebuffer> cached_framebuffers_;
@@ -303,6 +306,68 @@ class CommandProcessor {
CircularBuffer scratch_buffer_;
DrawCommand draw_command_;
private:
bool SetShadowRegister(uint32_t& dest, uint32_t register_name);
bool SetShadowRegister(float& dest, uint32_t register_name);
struct UpdateRenderTargetsRegisters {
uint32_t rb_modecontrol;
uint32_t rb_surface_info;
uint32_t rb_color_info;
uint32_t rb_color1_info;
uint32_t rb_color2_info;
uint32_t rb_color3_info;
uint32_t rb_color_mask;
uint32_t rb_depthcontrol;
uint32_t rb_stencilrefmask;
uint32_t rb_depth_info;
UpdateRenderTargetsRegisters() { Reset(); }
void Reset() { std::memset(this, 0, sizeof(*this)); }
} update_render_targets_regs_;
struct UpdateViewportStateRegisters {
//
UpdateViewportStateRegisters() { Reset(); }
void Reset() { std::memset(this, 0, sizeof(*this)); }
} update_viewport_state_regs_;
struct UpdateRasterizerStateRegisters {
uint32_t pa_su_sc_mode_cntl;
uint32_t pa_sc_screen_scissor_tl;
uint32_t pa_sc_screen_scissor_br;
UpdateRasterizerStateRegisters() { Reset(); }
void Reset() { std::memset(this, 0, sizeof(*this)); }
} update_rasterizer_state_regs_;
struct UpdateBlendStateRegisters {
uint32_t rb_blendcontrol[4];
float rb_blend_rgba[4];
UpdateBlendStateRegisters() { Reset(); }
void Reset() { std::memset(this, 0, sizeof(*this)); }
} update_blend_state_regs_;
struct UpdateDepthStencilStateRegisters {
uint32_t rb_depthcontrol;
uint32_t rb_stencilrefmask;
UpdateDepthStencilStateRegisters() { Reset(); }
void Reset() { std::memset(this, 0, sizeof(*this)); }
} update_depth_stencil_state_regs_;
// TODO(benvanik): constant bitmask?
struct UpdateShadersRegisters {
PrimitiveType prim_type;
uint32_t sq_program_cntl;
GL4Shader* vertex_shader;
GL4Shader* pixel_shader;
UpdateShadersRegisters() { Reset(); }
void Reset() {
sq_program_cntl = 0;
vertex_shader = pixel_shader = nullptr;
}
} update_shaders_regs_;
// ib
// vb
// samplers
};
} // namespace gl4