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Implement EFB copy filter and gamma in hardware backends

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Also makes y_scale a dynamic parameter for EFB copies, as it doesn't
make sense to keep it as part of the uid, otherwise we're generating
redundant shaders.
This commit is contained in:
Stenzek
2018-04-29 18:52:30 +10:00
parent a192a3bb30
commit 9e798eec94
41 changed files with 526 additions and 236 deletions
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3
Source/Core/VideoBackends/Vulkan/Renderer.cpp
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@ -697,8 +697,7 @@ void Renderer::ReinterpretPixelData(unsigned int convtype)
BindEFBToStateTracker();
}
void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region, u64 ticks,
float Gamma)
void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region, u64 ticks)
{
// Pending/batched EFB pokes should be included in the final image.
FramebufferManager::GetInstance()->FlushEFBPokes();

2
Source/Core/VideoBackends/Vulkan/Renderer.h
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@ -59,7 +59,7 @@ public:
void BBoxWrite(int index, u16 value) override;
TargetRectangle ConvertEFBRectangle(const EFBRectangle& rc) override;
void SwapImpl(AbstractTexture* texture, const EFBRectangle& rc, u64 ticks, float Gamma) override;
void SwapImpl(AbstractTexture* texture, const EFBRectangle& rc, u64 ticks) override;
void ClearScreen(const EFBRectangle& rc, bool color_enable, bool alpha_enable, bool z_enable,
u32 color, u32 z) override;

38
Source/Core/VideoBackends/Vulkan/TextureCache.cpp
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@ -100,7 +100,9 @@ void TextureCache::ConvertTexture(TCacheEntry* destination, TCacheEntry* source,
void TextureCache::CopyEFB(u8* dst, const EFBCopyParams& params, u32 native_width,
u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
const EFBRectangle& src_rect, bool scale_by_half)
const EFBRectangle& src_rect, bool scale_by_half, float y_scale,
float gamma, bool clamp_top, bool clamp_bottom,
const CopyFilterCoefficientArray& filter_coefficients)
{
// Flush EFB pokes first, as they're expected to be included.
FramebufferManager::GetInstance()->FlushEFBPokes();
@ -131,9 +133,9 @@ void TextureCache::CopyEFB(u8* dst, const EFBCopyParams& params, u32 native_widt
src_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
m_texture_converter->EncodeTextureToMemory(src_texture->GetView(), dst, params, native_width,
bytes_per_row, num_blocks_y, memory_stride, src_rect,
scale_by_half);
m_texture_converter->EncodeTextureToMemory(
src_texture->GetView(), dst, params, native_width, bytes_per_row, num_blocks_y, memory_stride,
src_rect, scale_by_half, y_scale, gamma, clamp_top, clamp_bottom, filter_coefficients);
// Transition back to original state
src_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(), original_layout);
@ -209,7 +211,9 @@ void TextureCache::DeleteShaders()
void TextureCache::CopyEFBToCacheEntry(TCacheEntry* entry, bool is_depth_copy,
const EFBRectangle& src_rect, bool scale_by_half,
EFBCopyFormat dst_format, bool is_intensity)
EFBCopyFormat dst_format, bool is_intensity, float gamma,
bool clamp_top, bool clamp_bottom,
const CopyFilterCoefficientArray& filter_coefficients)
{
VKTexture* texture = static_cast<VKTexture*>(entry->texture.get());
@ -228,6 +232,26 @@ void TextureCache::CopyEFBToCacheEntry(TCacheEntry* entry, bool is_depth_copy,
VkCommandBuffer command_buffer = g_command_buffer_mgr->GetCurrentCommandBuffer();
StateTracker::GetInstance()->EndRenderPass();
// Fill uniform buffer.
struct PixelUniforms
{
float filter_coefficients[3];
float gamma_rcp;
float clamp_top;
float clamp_bottom;
float pixel_height;
u32 padding;
};
PixelUniforms uniforms;
for (size_t i = 0; i < filter_coefficients.size(); i++)
uniforms.filter_coefficients[i] = filter_coefficients[i] / 64.0f;
uniforms.gamma_rcp = 1.0f / gamma;
uniforms.clamp_top = clamp_top ? src_rect.top / float(EFB_HEIGHT) : 0.0f;
uniforms.clamp_bottom = clamp_bottom ? src_rect.bottom / float(EFB_HEIGHT) : 1.0f;
uniforms.pixel_height =
g_ActiveConfig.bCopyEFBScaled ? 1.0f / g_renderer->GetTargetHeight() : 1.0f / EFB_HEIGHT;
uniforms.padding = 0;
// Transition EFB to shader resource before binding.
// An out-of-bounds source region is valid here, and fine for the draw (since it is converted
// to texture coordinates), but it's not valid to resolve an out-of-range rectangle.
@ -274,6 +298,10 @@ void TextureCache::CopyEFBToCacheEntry(TCacheEntry* entry, bool is_depth_copy,
g_shader_cache->GetPassthroughVertexShader(),
g_shader_cache->GetPassthroughGeometryShader(), shader);
u8* ubo_ptr = draw.AllocatePSUniforms(sizeof(PixelUniforms));
std::memcpy(ubo_ptr, &uniforms, sizeof(PixelUniforms));
draw.CommitPSUniforms(sizeof(PixelUniforms));
draw.SetPSSampler(0, src_texture->GetView(), src_sampler);
VkRect2D dest_region = {{0, 0}, {texture->GetConfig().width, texture->GetConfig().height}};

8
Source/Core/VideoBackends/Vulkan/TextureCache.h
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@ -38,7 +38,8 @@ public:
void CopyEFB(u8* dst, const EFBCopyParams& params, u32 native_width, u32 bytes_per_row,
u32 num_blocks_y, u32 memory_stride, const EFBRectangle& src_rect,
bool scale_by_half) override;
bool scale_by_half, float y_scale, float gamma, bool clamp_top, bool clamp_bottom,
const CopyFilterCoefficientArray& filter_coefficients) override;
bool SupportsGPUTextureDecode(TextureFormat format, TLUTFormat palette_format) override;
@ -52,8 +53,9 @@ public:
private:
void CopyEFBToCacheEntry(TCacheEntry* entry, bool is_depth_copy, const EFBRectangle& src_rect,
bool scale_by_half, EFBCopyFormat dst_format,
bool is_intensity) override;
bool scale_by_half, EFBCopyFormat dst_format, bool is_intensity,
float gamma, bool clamp_top, bool clamp_bottom,
const CopyFilterCoefficientArray& filter_coefficients) override;
std::unique_ptr<StreamBuffer> m_texture_upload_buffer;

27
Source/Core/VideoBackends/Vulkan/TextureConverter.cpp
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@ -38,6 +38,11 @@ struct EFBEncodeParams
{
std::array<s32, 4> position_uniform;
float y_scale;
float gamma_rcp;
float clamp_top;
float clamp_bottom;
s32 filter_coefficients[3];
u32 padding;
};
}
TextureConverter::TextureConverter()
@ -201,10 +206,11 @@ void TextureConverter::ConvertTexture(TextureCacheBase::TCacheEntry* dst_entry,
draw.EndRenderPass();
}
void TextureConverter::EncodeTextureToMemory(VkImageView src_texture, u8* dest_ptr,
const EFBCopyParams& params, u32 native_width,
u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
const EFBRectangle& src_rect, bool scale_by_half)
void TextureConverter::EncodeTextureToMemory(
VkImageView src_texture, u8* dest_ptr, const EFBCopyParams& params, u32 native_width,
u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride, const EFBRectangle& src_rect,
bool scale_by_half, float y_scale, float gamma, bool clamp_top, bool clamp_bottom,
const TextureCacheBase::CopyFilterCoefficientArray& filter_coefficients)
{
VkShaderModule shader = GetEncodingShader(params);
if (shader == VK_NULL_HANDLE)
@ -236,14 +242,21 @@ void TextureConverter::EncodeTextureToMemory(VkImageView src_texture, u8* dest_p
encoder_params.position_uniform[1] = src_rect.top;
encoder_params.position_uniform[2] = static_cast<s32>(native_width);
encoder_params.position_uniform[3] = scale_by_half ? 2 : 1;
encoder_params.y_scale = params.y_scale;
draw.SetPushConstants(&encoder_params, sizeof(encoder_params));
encoder_params.y_scale = y_scale;
encoder_params.gamma_rcp = 1.0f / gamma;
encoder_params.clamp_top = clamp_top ? src_rect.top / float(EFB_HEIGHT) : 0.0f;
encoder_params.clamp_bottom = clamp_bottom ? src_rect.bottom / float(EFB_HEIGHT) : 0.0f;
for (size_t i = 0; i < filter_coefficients.size(); i++)
encoder_params.filter_coefficients[i] = filter_coefficients[i];
u8* ubo_ptr = draw.AllocatePSUniforms(sizeof(EFBEncodeParams));
std::memcpy(ubo_ptr, &encoder_params, sizeof(EFBEncodeParams));
draw.CommitPSUniforms(sizeof(EFBEncodeParams));
// We also linear filtering for both box filtering and downsampling higher resolutions to 1x
// TODO: This only produces perfect downsampling for 2x IR, other resolutions will need more
// complex down filtering to average all pixels and produce the correct result.
bool linear_filter =
(scale_by_half && !params.depth) || g_renderer->GetEFBScale() != 1 || params.y_scale > 1.0f;
(scale_by_half && !params.depth) || g_renderer->GetEFBScale() != 1 || y_scale > 1.0f;
draw.SetPSSampler(0, src_texture,
linear_filter ? g_object_cache->GetLinearSampler() :
g_object_cache->GetPointSampler());

9
Source/Core/VideoBackends/Vulkan/TextureConverter.h
View File

@ -40,9 +40,12 @@ public:
// Uses an encoding shader to copy src_texture to dest_ptr.
// NOTE: Executes the current command buffer.
void EncodeTextureToMemory(VkImageView src_texture, u8* dest_ptr, const EFBCopyParams& params,
u32 native_width, u32 bytes_per_row, u32 num_blocks_y,
u32 memory_stride, const EFBRectangle& src_rect, bool scale_by_half);
void
EncodeTextureToMemory(VkImageView src_texture, u8* dest_ptr, const EFBCopyParams& params,
u32 native_width, u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
const EFBRectangle& src_rect, bool scale_by_half, float y_scale,
float gamma, bool clamp_top, bool clamp_bottom,
const TextureCacheBase::CopyFilterCoefficientArray& filter_coefficients);
bool SupportsTextureDecoding(TextureFormat format, TLUTFormat palette_format);
void DecodeTexture(VkCommandBuffer command_buffer, TextureCache::TCacheEntry* entry,