238 lines
7.5 KiB
C++
238 lines
7.5 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2014 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_GPU_GL4_GL4_COMMAND_PROCESSOR_H_
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#define XENIA_GPU_GL4_GL4_COMMAND_PROCESSOR_H_
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#include <atomic>
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#include <cstring>
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#include <functional>
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#include <memory>
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#include <mutex>
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#include <queue>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "xenia/base/threading.h"
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#include "xenia/gpu/command_processor.h"
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#include "xenia/gpu/gl4/draw_batcher.h"
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#include "xenia/gpu/gl4/gl4_shader.h"
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#include "xenia/gpu/gl4/gl4_shader_cache.h"
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#include "xenia/gpu/gl4/texture_cache.h"
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#include "xenia/gpu/glsl_shader_translator.h"
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#include "xenia/gpu/register_file.h"
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#include "xenia/gpu/xenos.h"
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#include "xenia/kernel/xthread.h"
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#include "xenia/memory.h"
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#include "xenia/ui/gl/circular_buffer.h"
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#include "xenia/ui/gl/gl_context.h"
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namespace xe {
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namespace gpu {
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namespace gl4 {
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class GL4GraphicsSystem;
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class GL4CommandProcessor : public CommandProcessor {
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public:
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GL4CommandProcessor(GL4GraphicsSystem* graphics_system,
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kernel::KernelState* kernel_state);
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~GL4CommandProcessor() override;
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void ClearCaches() override;
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// HACK: for debugging; would be good to have this in a base type.
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TextureCache* texture_cache() { return &texture_cache_; }
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DrawBatcher* draw_batcher() { return &draw_batcher_; }
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GLuint GetColorRenderTarget(uint32_t pitch, MsaaSamples samples,
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uint32_t base, ColorRenderTargetFormat format);
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GLuint GetDepthRenderTarget(uint32_t pitch, MsaaSamples samples,
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uint32_t base, DepthRenderTargetFormat format);
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private:
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enum class UpdateStatus {
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kCompatible,
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kMismatch,
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kError,
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};
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struct CachedFramebuffer {
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GLuint color_targets[4];
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GLuint depth_target;
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GLuint framebuffer;
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};
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struct CachedColorRenderTarget {
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uint32_t base;
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uint32_t width;
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uint32_t height;
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ColorRenderTargetFormat format;
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GLenum internal_format;
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GLuint texture;
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};
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struct CachedDepthRenderTarget {
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uint32_t base;
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uint32_t width;
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uint32_t height;
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DepthRenderTargetFormat format;
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GLenum internal_format;
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GLuint texture;
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};
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struct CachedPipeline {
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CachedPipeline();
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~CachedPipeline();
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GLuint vertex_program;
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GLuint fragment_program;
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struct {
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GLuint default_pipeline;
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GLuint point_list_pipeline;
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GLuint rect_list_pipeline;
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GLuint quad_list_pipeline;
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GLuint line_quad_list_pipeline;
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// TODO(benvanik): others with geometry shaders.
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} handles;
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};
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bool SetupContext() override;
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void ShutdownContext() override;
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GLuint CreateGeometryProgram(const std::string& source);
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void MakeCoherent() override;
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void PrepareForWait() override;
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void ReturnFromWait() override;
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void PerformSwap(uint32_t frontbuffer_ptr, uint32_t frontbuffer_width,
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uint32_t frontbuffer_height) override;
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Shader* LoadShader(ShaderType shader_type, uint32_t guest_address,
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const uint32_t* host_address,
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uint32_t dword_count) override;
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bool IssueDraw(PrimitiveType prim_type, uint32_t index_count,
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IndexBufferInfo* index_buffer_info) override;
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UpdateStatus UpdateShaders(PrimitiveType prim_type);
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UpdateStatus UpdateRenderTargets();
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UpdateStatus UpdateState(PrimitiveType prim_type);
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UpdateStatus UpdateViewportState();
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UpdateStatus UpdateRasterizerState(PrimitiveType prim_type);
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UpdateStatus UpdateBlendState();
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UpdateStatus UpdateDepthStencilState();
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UpdateStatus PopulateIndexBuffer(IndexBufferInfo* index_buffer_info);
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UpdateStatus PopulateVertexBuffers();
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UpdateStatus PopulateSamplers();
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UpdateStatus PopulateSampler(const Shader::TextureBinding& texture_binding);
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bool IssueCopy() override;
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CachedFramebuffer* GetFramebuffer(GLuint color_targets[4],
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GLuint depth_target);
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GlslShaderTranslator shader_translator_;
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GL4ShaderCache shader_cache_;
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CachedFramebuffer* active_framebuffer_ = nullptr;
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GLuint last_framebuffer_texture_ = 0;
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std::vector<CachedFramebuffer> cached_framebuffers_;
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std::vector<CachedColorRenderTarget> cached_color_render_targets_;
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std::vector<CachedDepthRenderTarget> cached_depth_render_targets_;
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std::vector<std::unique_ptr<CachedPipeline>> all_pipelines_;
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std::unordered_map<uint64_t, CachedPipeline*> cached_pipelines_;
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GLuint point_list_geometry_program_ = 0;
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GLuint rect_list_geometry_program_ = 0;
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GLuint quad_list_geometry_program_ = 0;
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GLuint line_quad_list_geometry_program_ = 0;
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TextureCache texture_cache_;
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DrawBatcher draw_batcher_;
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xe::ui::gl::CircularBuffer scratch_buffer_;
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private:
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bool SetShadowRegister(uint32_t* dest, uint32_t register_name);
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bool SetShadowRegister(float* dest, uint32_t register_name);
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struct UpdateRenderTargetsRegisters {
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uint32_t rb_modecontrol;
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uint32_t rb_surface_info;
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uint32_t rb_color_info;
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uint32_t rb_color1_info;
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uint32_t rb_color2_info;
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uint32_t rb_color3_info;
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uint32_t rb_color_mask;
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uint32_t rb_depthcontrol;
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uint32_t rb_stencilrefmask;
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uint32_t rb_depth_info;
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UpdateRenderTargetsRegisters() { Reset(); }
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void Reset() { std::memset(this, 0, sizeof(*this)); }
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} update_render_targets_regs_;
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struct UpdateViewportStateRegisters {
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// uint32_t pa_cl_clip_cntl;
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uint32_t rb_surface_info;
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uint32_t pa_cl_vte_cntl;
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uint32_t pa_su_sc_mode_cntl;
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uint32_t pa_sc_window_offset;
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uint32_t pa_sc_window_scissor_tl;
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uint32_t pa_sc_window_scissor_br;
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float pa_cl_vport_xoffset;
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float pa_cl_vport_yoffset;
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float pa_cl_vport_zoffset;
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float pa_cl_vport_xscale;
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float pa_cl_vport_yscale;
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float pa_cl_vport_zscale;
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UpdateViewportStateRegisters() { Reset(); }
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void Reset() { std::memset(this, 0, sizeof(*this)); }
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} update_viewport_state_regs_;
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struct UpdateRasterizerStateRegisters {
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uint32_t pa_su_sc_mode_cntl;
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uint32_t pa_sc_screen_scissor_tl;
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uint32_t pa_sc_screen_scissor_br;
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uint32_t multi_prim_ib_reset_index;
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uint32_t pa_sc_viz_query;
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PrimitiveType prim_type;
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UpdateRasterizerStateRegisters() { Reset(); }
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void Reset() { std::memset(this, 0, sizeof(*this)); }
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} update_rasterizer_state_regs_;
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struct UpdateBlendStateRegisters {
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uint32_t rb_blendcontrol[4];
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float rb_blend_rgba[4];
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UpdateBlendStateRegisters() { Reset(); }
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void Reset() { std::memset(this, 0, sizeof(*this)); }
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} update_blend_state_regs_;
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struct UpdateDepthStencilStateRegisters {
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uint32_t rb_depthcontrol;
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uint32_t rb_stencilrefmask;
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UpdateDepthStencilStateRegisters() { Reset(); }
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void Reset() { std::memset(this, 0, sizeof(*this)); }
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} update_depth_stencil_state_regs_;
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struct UpdateShadersRegisters {
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PrimitiveType prim_type;
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uint32_t pa_su_sc_mode_cntl;
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uint32_t sq_program_cntl;
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uint32_t sq_context_misc;
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GL4Shader* vertex_shader;
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GL4Shader* pixel_shader;
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UpdateShadersRegisters() { Reset(); }
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void Reset() {
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sq_program_cntl = 0;
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vertex_shader = pixel_shader = nullptr;
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}
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} update_shaders_regs_;
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};
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} // namespace gl4
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} // namespace gpu
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} // namespace xe
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#endif // XENIA_GPU_GL4_GL4_COMMAND_PROCESSOR_H_
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