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GPU: Add adaptive and box downsampling modes

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This commit is contained in:
Connor McLaughlin
2020-12-30 16:26:20 +10:00
parent 5236583544
commit 3cb2cd8235
23 changed files with 1180 additions and 69 deletions
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36
src/core/gpu_hw.h
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@ -188,8 +188,10 @@ protected:
virtual void DrawBatchVertices(BatchRenderMode render_mode, u32 base_vertex, u32 num_vertices) = 0;
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); }
void SetFullVRAMDirtyRectangle()
{
@ -287,6 +289,21 @@ 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;
HeapArray<u16, VRAM_WIDTH * VRAM_HEIGHT> m_vram_shadow;
BatchVertex* m_batch_start_vertex_ptr = nullptr;
@ -301,13 +318,22 @@ protected:
u32 m_max_resolution_scale = 1;
u32 m_max_multisamples = 1;
HostDisplay::RenderAPI m_render_api = HostDisplay::RenderAPI::None;
bool m_per_sample_shading = false;
bool m_true_color = true;
bool m_scaled_dithering = false;
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_per_sample_shading;
BitField<u8, bool, 4, 1> m_scaled_dithering;
BitField<u8, bool, 5, 1> m_chroma_smoothing;
u8 bits = 0;
};
GPUTextureFilter m_texture_filtering = GPUTextureFilter::Nearest;
bool m_chroma_smoothing = false;
bool m_supports_per_sample_shading = false;
bool m_supports_dual_source_blend = false;
GPUDownsampleMode m_downsample_mode = GPUDownsampleMode::Disabled;
bool m_using_uv_limits = false;
bool m_pgxp_depth_buffer = false;