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Rewrite host GPU abstraction

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- Don't have to repeat the same thing for 4 renderers.
 - Add native Metal renderer.
This commit is contained in:
Stenzek
2023-08-13 13:42:02 +10:00
parent bfa792ddbf
commit e3d9ba4c99
249 changed files with 28851 additions and 32222 deletions
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295
src/core/gpu_hw.h
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@ -2,9 +2,15 @@
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once
#include "common/heap_array.h"
#include "gpu.h"
#include "util/host_display.h"
#include "texture_replacements.h"
#include "util/gpu_device.h"
#include "common/dimensional_array.h"
#include "common/heap_array.h"
#include <sstream>
#include <string>
#include <tuple>
@ -15,7 +21,7 @@ class GPU_SW_Backend;
struct GPUBackendCommand;
struct GPUBackendDrawCommand;
class GPU_HW : public GPU
class GPU_HW final : public GPU
{
public:
enum class BatchRenderMode : u8
@ -34,24 +40,26 @@ public:
};
GPU_HW();
virtual ~GPU_HW();
~GPU_HW() override;
const Threading::Thread* GetSWThread() const override;
bool IsHardwareRenderer() const override;
virtual bool Initialize() override;
virtual void Reset(bool clear_vram) override;
virtual bool DoState(StateWrapper& sw, GPUTexture** host_texture, bool update_display) override;
bool Initialize() override;
void Reset(bool clear_vram) override;
bool DoState(StateWrapper& sw, GPUTexture** host_texture, bool update_display) override;
void RestoreGraphicsAPIState() override;
void UpdateSettings() override;
void UpdateResolutionScale() override final;
std::tuple<u32, u32> GetEffectiveDisplayResolution(bool scaled = true) override final;
std::tuple<u32, u32> GetFullDisplayResolution(bool scaled = true) override final;
protected:
private:
enum : u32
{
VRAM_UPDATE_TEXTURE_BUFFER_SIZE = 4 * 1024 * 1024,
VERTEX_BUFFER_SIZE = 4 * 1024 * 1024,
UNIFORM_BUFFER_SIZE = 2 * 1024 * 1024,
MAX_BATCH_VERTEX_COUNTER_IDS = 65536 - 2,
MAX_VERTICES_FOR_RECTANGLE = 6 * (((MAX_PRIMITIVE_WIDTH + (TEXTURE_PAGE_WIDTH - 1)) / TEXTURE_PAGE_WIDTH) + 1u) *
(((MAX_PRIMITIVE_HEIGHT + (TEXTURE_PAGE_HEIGHT - 1)) / TEXTURE_PAGE_HEIGHT) + 1u)
@ -129,43 +137,6 @@ protected:
u32 u_set_mask_while_drawing;
};
struct VRAMFillUBOData
{
u32 u_dst_x;
u32 u_dst_y;
u32 u_end_x;
u32 u_end_y;
float u_fill_color[4];
u32 u_interlaced_displayed_field;
};
struct VRAMWriteUBOData
{
u32 u_dst_x;
u32 u_dst_y;
u32 u_end_x;
u32 u_end_y;
u32 u_width;
u32 u_height;
u32 u_buffer_base_offset;
u32 u_mask_or_bits;
float u_depth_value;
};
struct VRAMCopyUBOData
{
u32 u_src_x;
u32 u_src_y;
u32 u_dst_x;
u32 u_dst_y;
u32 u_end_x;
u32 u_end_y;
u32 u_width;
u32 u_height;
u32 u_set_mask_bit;
float u_depth_value;
};
struct RendererStats
{
u32 num_batches;
@ -173,63 +144,42 @@ protected:
u32 num_uniform_buffer_updates;
};
class ShaderCompileProgressTracker
{
public:
ShaderCompileProgressTracker(std::string title, u32 total);
bool CreateBuffers();
void ClearFramebuffer();
void DestroyBuffers();
void Increment();
bool CompilePipelines();
void DestroyPipelines();
private:
std::string m_title;
u64 m_min_time;
u64 m_update_interval;
u64 m_start_time;
u64 m_last_update_time;
u32 m_progress;
u32 m_total;
};
static constexpr std::tuple<float, float, float, float> RGBA8ToFloat(u32 rgba)
{
return std::make_tuple(static_cast<float>(rgba & UINT32_C(0xFF)) * (1.0f / 255.0f),
static_cast<float>((rgba >> 8) & UINT32_C(0xFF)) * (1.0f / 255.0f),
static_cast<float>((rgba >> 16) & UINT32_C(0xFF)) * (1.0f / 255.0f),
static_cast<float>(rgba >> 24) * (1.0f / 255.0f));
}
void UpdateHWSettings(bool* framebuffer_changed, bool* shaders_changed);
virtual void UpdateVRAMReadTexture();
virtual void UpdateDepthBufferFromMaskBit() = 0;
virtual void ClearDepthBuffer() = 0;
virtual void SetScissorFromDrawingArea() = 0;
virtual void MapBatchVertexPointer(u32 required_vertices) = 0;
virtual void UnmapBatchVertexPointer(u32 used_vertices) = 0;
virtual void UploadUniformBuffer(const void* uniforms, u32 uniforms_size) = 0;
virtual void DrawBatchVertices(BatchRenderMode render_mode, u32 base_vertex, u32 num_vertices) = 0;
void UpdateVRAMReadTexture();
void UpdateDepthBufferFromMaskBit();
void ClearDepthBuffer();
void SetScissor();
void MapBatchVertexPointer(u32 required_vertices);
void UnmapBatchVertexPointer(u32 used_vertices);
void DrawBatchVertices(BatchRenderMode render_mode, u32 base_vertex, u32 num_vertices);
void ClearDisplay() override;
void UpdateDisplay() override;
u32 CalculateResolutionScale() const;
GPUDownsampleMode GetDownsampleMode(u32 resolution_scale) const;
ALWAYS_INLINE bool IsUsingMultisampling() const { return m_multisamples > 1; }
ALWAYS_INLINE bool IsUsingDownsampling() const
{
return (m_downsample_mode != GPUDownsampleMode::Disabled && !m_GPUSTAT.display_area_color_depth_24);
}
bool IsUsingMultisampling() const;
bool IsUsingDownsampling() const;
void SetFullVRAMDirtyRectangle()
{
m_vram_dirty_rect.Set(0, 0, VRAM_WIDTH, VRAM_HEIGHT);
m_draw_mode.SetTexturePageChanged();
}
void ClearVRAMDirtyRectangle() { m_vram_dirty_rect.SetInvalid(); }
void SetFullVRAMDirtyRectangle();
void ClearVRAMDirtyRectangle();
void IncludeVRAMDirtyRectangle(const Common::Rectangle<u32>& rect);
bool IsFlushed() const { return m_batch_current_vertex_ptr == m_batch_start_vertex_ptr; }
u32 GetBatchVertexSpace() const { return static_cast<u32>(m_batch_end_vertex_ptr - m_batch_current_vertex_ptr); }
u32 GetBatchVertexCount() const { return static_cast<u32>(m_batch_current_vertex_ptr - m_batch_start_vertex_ptr); }
ALWAYS_INLINE bool IsFlushed() const { return m_batch_current_vertex_ptr == m_batch_start_vertex_ptr; }
ALWAYS_INLINE u32 GetBatchVertexSpace() const
{
return static_cast<u32>(m_batch_end_vertex_ptr - m_batch_current_vertex_ptr);
}
ALWAYS_INLINE u32 GetBatchVertexCount() const
{
return static_cast<u32>(m_batch_current_vertex_ptr - m_batch_start_vertex_ptr);
}
void EnsureVertexBufferSpace(u32 required_vertices);
void EnsureVertexBufferSpaceForCurrentCommand();
void ResetBatchVertexDepth();
@ -241,91 +191,31 @@ protected:
}
/// Returns the interlaced mode to use when scanning out/displaying.
ALWAYS_INLINE InterlacedRenderMode GetInterlacedRenderMode() const
{
if (IsInterlacedDisplayEnabled())
{
return m_GPUSTAT.vertical_resolution ? InterlacedRenderMode::InterleavedFields :
InterlacedRenderMode::SeparateFields;
}
else
{
return InterlacedRenderMode::None;
}
}
/// Returns true if the specified texture filtering mode requires dual-source blending.
ALWAYS_INLINE bool TextureFilterRequiresDualSourceBlend(GPUTextureFilter filter)
{
return (filter == GPUTextureFilter::Bilinear || filter == GPUTextureFilter::JINC2 ||
filter == GPUTextureFilter::xBR);
}
/// Returns true if alpha blending should be enabled for drawing the current batch.
ALWAYS_INLINE bool UseAlphaBlending(GPUTransparencyMode transparency_mode, BatchRenderMode render_mode) const
{
if (m_texture_filtering == GPUTextureFilter::Bilinear || m_texture_filtering == GPUTextureFilter::JINC2 ||
m_texture_filtering == GPUTextureFilter::xBR)
{
return true;
}
if (transparency_mode == GPUTransparencyMode::Disabled || render_mode == BatchRenderMode::OnlyOpaque)
return false;
return true;
}
InterlacedRenderMode GetInterlacedRenderMode() const;
/// We need two-pass rendering when using BG-FG blending and texturing, as the transparency can be enabled
/// on a per-pixel basis, and the opaque pixels shouldn't be blended at all.
ALWAYS_INLINE bool NeedsTwoPassRendering() const
{
// TODO: see if there's a better way we can do this. definitely can with fbfetch.
return (m_batch.texture_mode != GPUTextureMode::Disabled &&
(m_batch.transparency_mode == GPUTransparencyMode::BackgroundMinusForeground ||
(!m_supports_dual_source_blend && m_batch.transparency_mode != GPUTransparencyMode::Disabled)));
}
/// Returns true if the specified VRAM fill is oversized.
ALWAYS_INLINE static bool IsVRAMFillOversized(u32 x, u32 y, u32 width, u32 height)
{
return ((x + width) > VRAM_WIDTH || (y + height) > VRAM_HEIGHT);
}
ALWAYS_INLINE bool IsUsingSoftwareRendererForReadbacks() { return static_cast<bool>(m_sw_renderer); }
void FillBackendCommandParameters(GPUBackendCommand* cmd) const;
void FillDrawCommand(GPUBackendDrawCommand* cmd, GPURenderCommand rc) const;
void UpdateSoftwareRenderer(bool copy_vram_from_hw);
void ReadSoftwareRendererVRAM(u32 x, u32 y, u32 width, u32 height);
void UpdateSoftwareRendererVRAM(u32 x, u32 y, u32 width, u32 height, const void* data, bool set_mask,
bool check_mask);
void FillSoftwareRendererVRAM(u32 x, u32 y, u32 width, u32 height, u32 color);
void CopySoftwareRendererVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 width, u32 height);
void FillVRAM(u32 x, u32 y, u32 width, u32 height, u32 color) override;
void ReadVRAM(u32 x, u32 y, u32 width, u32 height) override;
void UpdateVRAM(u32 x, u32 y, u32 width, u32 height, const void* data, bool set_mask, bool check_mask) override;
void CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 width, u32 height) override;
void DispatchRenderCommand() override;
void FlushRender() override;
void DrawRendererStats(bool is_idle_frame) override;
void CalcScissorRect(int* left, int* top, int* right, int* bottom);
std::tuple<s32, s32> ScaleVRAMCoordinates(s32 x, s32 y) const
{
return std::make_tuple(x * s32(m_resolution_scale), y * s32(m_resolution_scale));
}
/// Computes the area affected by a VRAM transfer, including wrap-around of X.
Common::Rectangle<u32> GetVRAMTransferBounds(u32 x, u32 y, u32 width, u32 height) const;
/// Returns true if the VRAM copy shader should be used (oversized copies, masking).
bool UseVRAMCopyShader(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 width, u32 height) const;
VRAMFillUBOData GetVRAMFillUBOData(u32 x, u32 y, u32 width, u32 height, u32 color) const;
VRAMWriteUBOData GetVRAMWriteUBOData(u32 x, u32 y, u32 width, u32 height, u32 buffer_offset, bool set_mask,
bool check_mask) const;
VRAMCopyUBOData GetVRAMCopyUBOData(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 width, u32 height) const;
bool BlitVRAMReplacementTexture(const TextureReplacementTexture* tex, u32 dst_x, u32 dst_y, u32 width, u32 height);
/// Expands a line into two triangles.
void DrawLine(float x0, float y0, u32 col0, float x1, float y1, u32 col1, float depth);
@ -340,22 +230,31 @@ protected:
void SetBatchDepthBuffer(bool enabled);
void CheckForDepthClear(const BatchVertex* vertices, u32 num_vertices);
/// UBO data for adaptive smoothing.
struct SmoothingUBOData
{
float min_uv[2];
float max_uv[2];
float rcp_size[2];
};
/// Returns the number of mipmap levels used for adaptive smoothing.
u32 GetAdaptiveDownsamplingMipLevels() const;
/// Returns the UBO data for an adaptive smoothing pass.
SmoothingUBOData GetSmoothingUBO(u32 level, u32 left, u32 top, u32 width, u32 height, u32 tex_width,
u32 tex_height) const;
void DownsampleFramebuffer(GPUTexture* source, u32 left, u32 top, u32 width, u32 height);
void DownsampleFramebufferAdaptive(GPUTexture* source, u32 left, u32 top, u32 width, u32 height);
void DownsampleFramebufferBoxFilter(GPUTexture* source, u32 left, u32 top, u32 width, u32 height);
std::unique_ptr<GPUTexture> m_vram_texture;
std::unique_ptr<GPUTexture> m_vram_depth_texture;
std::unique_ptr<GPUTexture> m_vram_depth_view;
std::unique_ptr<GPUTexture> m_vram_read_texture;
std::unique_ptr<GPUTexture> m_vram_readback_texture;
std::unique_ptr<GPUTexture> m_vram_replacement_texture;
std::unique_ptr<GPUTexture> m_display_texture;
std::unique_ptr<GPUFramebuffer> m_vram_framebuffer;
std::unique_ptr<GPUFramebuffer> m_vram_update_depth_framebuffer;
std::unique_ptr<GPUFramebuffer> m_vram_readback_framebuffer;
std::unique_ptr<GPUFramebuffer> m_display_framebuffer;
std::unique_ptr<GPUTextureBuffer> m_vram_upload_buffer;
std::unique_ptr<GPUTexture> m_vram_write_texture;
FixedHeapArray<u16, VRAM_WIDTH * VRAM_HEIGHT> m_vram_shadow;
std::unique_ptr<GPU_SW_Backend> m_sw_renderer;
BatchVertex* m_batch_start_vertex_ptr = nullptr;
@ -368,20 +267,17 @@ protected:
u32 m_resolution_scale = 1;
u32 m_multisamples = 1;
u32 m_max_resolution_scale = 1;
u32 m_max_multisamples = 1;
RenderAPI m_render_api = RenderAPI::None;
bool m_true_color = true;
union
{
BitField<u8, bool, 0, 1> m_supports_per_sample_shading;
BitField<u8, bool, 1, 1> m_supports_dual_source_blend;
BitField<u8, bool, 2, 1> m_supports_adaptive_downsampling;
BitField<u8, bool, 3, 1> m_supports_disable_color_perspective;
BitField<u8, bool, 4, 1> m_per_sample_shading;
BitField<u8, bool, 5, 1> m_scaled_dithering;
BitField<u8, bool, 6, 1> m_chroma_smoothing;
BitField<u8, bool, 7, 1> m_disable_color_perspective;
BitField<u8, bool, 2, 1> m_supports_disable_color_perspective;
BitField<u8, bool, 3, 1> m_per_sample_shading;
BitField<u8, bool, 4, 1> m_scaled_dithering;
BitField<u8, bool, 5, 1> m_chroma_smoothing;
BitField<u8, bool, 6, 1> m_disable_color_perspective;
u8 bits = 0;
};
@ -397,20 +293,45 @@ protected:
// Bounding box of VRAM area that the GPU has drawn into.
Common::Rectangle<u32> m_vram_dirty_rect;
// Changed state
bool m_batch_ubo_dirty = true;
// [depth_test][render_mode][texture_mode][transparency_mode][dithering][interlacing]
DimensionalArray<std::unique_ptr<GPUPipeline>, 2, 2, 5, 9, 4, 3> m_batch_pipelines{};
// [wrapped][interlaced]
DimensionalArray<std::unique_ptr<GPUPipeline>, 2, 2> m_vram_fill_pipelines{};
// [depth_test]
std::array<std::unique_ptr<GPUPipeline>, 2> m_vram_write_pipelines{};
std::array<std::unique_ptr<GPUPipeline>, 2> m_vram_copy_pipelines{};
std::unique_ptr<GPUPipeline> m_vram_readback_pipeline;
std::unique_ptr<GPUPipeline> m_vram_update_depth_pipeline;
// [depth_24][interlace_mode]
DimensionalArray<std::unique_ptr<GPUPipeline>, 3, 2> m_display_pipelines{};
// TODO: get rid of this, and use image blits instead where supported
std::unique_ptr<GPUPipeline> m_copy_pipeline;
std::unique_ptr<GPUTexture> m_downsample_texture;
std::unique_ptr<GPUTexture> m_downsample_render_texture;
std::unique_ptr<GPUFramebuffer> m_downsample_framebuffer;
std::unique_ptr<GPUTexture> m_downsample_weight_texture;
std::unique_ptr<GPUFramebuffer> m_downsample_weight_framebuffer;
std::unique_ptr<GPUPipeline> m_downsample_first_pass_pipeline;
std::unique_ptr<GPUPipeline> m_downsample_mid_pass_pipeline;
std::unique_ptr<GPUPipeline> m_downsample_blur_pass_pipeline;
std::unique_ptr<GPUPipeline> m_downsample_composite_pass_pipeline;
std::unique_ptr<GPUSampler> m_downsample_lod_sampler;
std::unique_ptr<GPUSampler> m_downsample_composite_sampler;
// Statistics
RendererStats m_renderer_stats = {};
RendererStats m_last_renderer_stats = {};
// Changed state
bool m_batch_ubo_dirty = true;
private:
enum : u32
{
MIN_BATCH_VERTEX_COUNT = 6,
MAX_BATCH_VERTEX_COUNT = VERTEX_BUFFER_SIZE / sizeof(BatchVertex)
};
void LoadVertices();
ALWAYS_INLINE void AddVertex(const BatchVertex& v)