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- // Copyright 2010 Dolphin Emulator Project
- // SPDX-License-Identifier: GPL-2.0-or-later
- #pragma once
- #include <memory>
- #include <vector>
- #include "Common/BitSet.h"
- #include "Common/CommonTypes.h"
- #include "Common/MathUtil.h"
- #include "VideoCommon/CPUCull.h"
- #include "VideoCommon/IndexGenerator.h"
- #include "VideoCommon/RenderState.h"
- #include "VideoCommon/ShaderCache.h"
- #include "VideoCommon/VideoEvents.h"
- struct CustomPixelShaderContents;
- class CustomShaderCache;
- class DataReader;
- class GeometryShaderManager;
- class NativeVertexFormat;
- class PixelShaderManager;
- class PointerWrap;
- struct PortableVertexDeclaration;
- struct Slope
- {
- float dfdx;
- float dfdy;
- float f0;
- bool dirty;
- };
- // View format of the input data to the texture decoding shader.
- enum TexelBufferFormat : u32
- {
- TEXEL_BUFFER_FORMAT_R8_UINT,
- TEXEL_BUFFER_FORMAT_R16_UINT,
- TEXEL_BUFFER_FORMAT_RGBA8_UINT,
- TEXEL_BUFFER_FORMAT_R32G32_UINT,
- NUM_TEXEL_BUFFER_FORMATS
- };
- namespace OpcodeDecoder
- {
- enum class Primitive : u8;
- }
- class VertexManagerBase
- {
- private:
- // 3 pos
- static constexpr u32 SMALLEST_POSSIBLE_VERTEX = sizeof(float) * 3;
- // 3 pos, 3*3 normal, 2*u32 color, 8*4 tex, 1 posMat
- static constexpr u32 LARGEST_POSSIBLE_VERTEX = sizeof(float) * 45 + sizeof(u32) * 2;
- static constexpr u32 MAX_PRIMITIVES_PER_COMMAND = 65535;
- // Used for 16:9 anamorphic widescreen heuristic.
- struct FlushStatistics
- {
- struct ProjectionCounts
- {
- size_t normal_flush_count;
- size_t anamorphic_flush_count;
- size_t other_flush_count;
- size_t normal_vertex_count;
- size_t anamorphic_vertex_count;
- size_t other_vertex_count;
- size_t GetTotalFlushCount() const
- {
- return normal_flush_count + anamorphic_flush_count + other_flush_count;
- }
- size_t GetTotalVertexCount() const
- {
- return normal_vertex_count + anamorphic_vertex_count + other_vertex_count;
- }
- MathUtil::RunningMean<float> average_ratio;
- };
- ProjectionCounts perspective;
- ProjectionCounts orthographic;
- };
- public:
- static constexpr u32 MAXVBUFFERSIZE =
- MathUtil::NextPowerOf2(MAX_PRIMITIVES_PER_COMMAND * LARGEST_POSSIBLE_VERTEX);
- // We may convert triangle-fans to triangle-lists, almost 3x as many indices.
- static constexpr u32 MAXIBUFFERSIZE = MathUtil::NextPowerOf2(MAX_PRIMITIVES_PER_COMMAND * 3);
- // Streaming buffer sizes.
- // Texel buffer will fit the maximum size of an encoded GX texture. 1024x1024, RGBA8 = 4MB.
- static constexpr u32 VERTEX_STREAM_BUFFER_SIZE = 48 * 1024 * 1024;
- static constexpr u32 INDEX_STREAM_BUFFER_SIZE = 8 * 1024 * 1024;
- static constexpr u32 UNIFORM_STREAM_BUFFER_SIZE = 64 * 1024 * 1024;
- static constexpr u32 TEXEL_STREAM_BUFFER_SIZE = 16 * 1024 * 1024;
- VertexManagerBase();
- virtual ~VertexManagerBase();
- virtual bool Initialize();
- PrimitiveType GetCurrentPrimitiveType() const { return m_current_primitive_type; }
- void AddIndices(OpcodeDecoder::Primitive primitive, u32 num_vertices);
- bool AreAllVerticesCulled(VertexLoaderBase* loader, OpcodeDecoder::Primitive primitive,
- const u8* src, u32 count);
- virtual DataReader PrepareForAdditionalData(OpcodeDecoder::Primitive primitive, u32 count,
- u32 stride, bool cullall);
- /// Switch cullall off after a call to PrepareForAdditionalData with cullall true
- /// Expects that you will add a nonzero number of primitives before the next flush
- /// Returns whether cullall was changed (false if cullall was already off)
- DataReader DisableCullAll(u32 stride);
- void FlushData(u32 count, u32 stride);
- void Flush();
- bool HasSendableVertices() const { return !m_is_flushed && !m_cull_all; }
- void DoState(PointerWrap& p);
- FlushStatistics ResetFlushAspectRatioCount();
- // State setters, called from register update functions.
- void SetRasterizationStateChanged() { m_rasterization_state_changed = true; }
- void SetDepthStateChanged() { m_depth_state_changed = true; }
- void SetBlendingStateChanged() { m_blending_state_changed = true; }
- void InvalidatePipelineObject()
- {
- m_current_pipeline_object = nullptr;
- m_pipeline_config_changed = true;
- }
- void NotifyCustomShaderCacheOfHostChange(const ShaderHostConfig& host_config);
- // Utility pipeline drawing (e.g. EFB copies, post-processing, UI).
- virtual void UploadUtilityUniforms(const void* uniforms, u32 uniforms_size);
- void UploadUtilityVertices(const void* vertices, u32 vertex_stride, u32 num_vertices,
- const u16* indices, u32 num_indices, u32* out_base_vertex,
- u32* out_base_index);
- // Determine how many bytes there are in each element of the texel buffer.
- // Needed for alignment and stride calculations.
- static u32 GetTexelBufferElementSize(TexelBufferFormat buffer_format);
- // Texel buffer, used for palette conversion.
- virtual bool UploadTexelBuffer(const void* data, u32 data_size, TexelBufferFormat format,
- u32* out_offset);
- // The second set of parameters uploads a second blob in the same buffer, used for GPU texture
- // decoding for palette textures, as both the texture data and palette must be uploaded.
- virtual bool UploadTexelBuffer(const void* data, u32 data_size, TexelBufferFormat format,
- u32* out_offset, const void* palette_data, u32 palette_size,
- TexelBufferFormat palette_format, u32* out_palette_offset);
- // Call if active config changes
- void OnConfigChange();
- // CPU access tracking - call after a draw call is made.
- void OnDraw();
- // Call after CPU access is requested.
- void OnCPUEFBAccess();
- // Call after an EFB copy to RAM. If true, the current command buffer should be executed.
- void OnEFBCopyToRAM();
- // Call at the end of a frame.
- void OnEndFrame();
- protected:
- // When utility uniforms are used, the GX uniforms need to be re-written afterwards.
- static void InvalidateConstants();
- // Prepares the buffer for the next batch of vertices.
- virtual void ResetBuffer(u32 vertex_stride);
- // Commits/uploads the current batch of vertices.
- virtual void CommitBuffer(u32 num_vertices, u32 vertex_stride, u32 num_indices,
- u32* out_base_vertex, u32* out_base_index);
- // Uploads uniform buffers for GX draws.
- virtual void UploadUniforms();
- // Issues the draw call for the current batch in the backend.
- virtual void DrawCurrentBatch(u32 base_index, u32 num_indices, u32 base_vertex);
- u32 GetRemainingSize() const;
- u32 GetRemainingIndices(OpcodeDecoder::Primitive primitive) const;
- void CalculateZSlope(NativeVertexFormat* format);
- void CalculateNormals(NativeVertexFormat* format);
- BitSet32 UsedTextures() const;
- u8* m_cur_buffer_pointer = nullptr;
- u8* m_base_buffer_pointer = nullptr;
- u8* m_end_buffer_pointer = nullptr;
- // Alternative buffers in CPU memory for primitives we are going to discard.
- std::vector<u8> m_cpu_vertex_buffer;
- std::vector<u16> m_cpu_index_buffer;
- Slope m_zslope = {};
- VideoCommon::GXPipelineUid m_current_pipeline_config;
- VideoCommon::GXUberPipelineUid m_current_uber_pipeline_config;
- const AbstractPipeline* m_current_pipeline_object = nullptr;
- PrimitiveType m_current_primitive_type = PrimitiveType::Points;
- bool m_pipeline_config_changed = true;
- bool m_rasterization_state_changed = true;
- bool m_depth_state_changed = true;
- bool m_blending_state_changed = true;
- bool m_cull_all = false;
- IndexGenerator m_index_generator;
- CPUCull m_cpu_cull;
- private:
- // Minimum number of draws per command buffer when attempting to preempt a readback operation.
- static constexpr u32 MINIMUM_DRAW_CALLS_PER_COMMAND_BUFFER_FOR_READBACK = 10;
- void RenderDrawCall(PixelShaderManager& pixel_shader_manager,
- GeometryShaderManager& geometry_shader_manager,
- const CustomPixelShaderContents& custom_pixel_shader_contents,
- std::span<u8> custom_pixel_shader_uniforms, PrimitiveType primitive_type,
- const AbstractPipeline* current_pipeline);
- void UpdatePipelineConfig();
- void UpdatePipelineObject();
- const AbstractPipeline*
- GetCustomPipeline(const CustomPixelShaderContents& custom_pixel_shader_contents,
- const VideoCommon::GXPipelineUid& current_pipeline_config,
- const VideoCommon::GXUberPipelineUid& current_uber_pipeline_confi,
- const AbstractPipeline* current_pipeline) const;
- bool m_is_flushed = true;
- FlushStatistics m_flush_statistics = {};
- // CPU access tracking
- u32 m_draw_counter = 0;
- u32 m_last_efb_copy_draw_counter = 0;
- bool m_unflushed_efb_copy = false;
- std::vector<u32> m_cpu_accesses_this_frame;
- std::vector<u32> m_scheduled_command_buffer_kicks;
- bool m_allow_background_execution = true;
- std::unique_ptr<CustomShaderCache> m_custom_shader_cache;
- u64 m_ticks_elapsed = 0;
- Common::EventHook m_frame_end_event;
- Common::EventHook m_after_present_event;
- };
- extern std::unique_ptr<VertexManagerBase> g_vertex_manager;
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