Duckstation/src/core/gpu_hw_shadergen.h

55 lines
2.4 KiB
C++

// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once
#include "gpu_hw.h"
#include "util/shadergen.h"
class GPU_HW_ShaderGen : public ShaderGen
{
public:
GPU_HW_ShaderGen(RenderAPI render_api, u32 resolution_scale, u32 multisamples, bool per_sample_shading,
bool true_color, bool scaled_dithering, GPUTextureFilter texture_filtering, bool uv_limits,
bool pgxp_depth, bool disable_color_perspective, bool supports_dual_source_blend,
bool supports_framebuffer_fetch);
~GPU_HW_ShaderGen();
std::string GenerateBatchVertexShader(bool textured);
std::string GenerateBatchFragmentShader(GPU_HW::BatchRenderMode render_mode, GPUTransparencyMode transparency,
GPUTextureMode texture_mode, bool dithering, bool interlacing);
std::string GenerateDisplayFragmentShader(bool depth_24bit, GPU_HW::InterlacedRenderMode interlace_mode,
bool smooth_chroma);
std::string GenerateWireframeGeometryShader();
std::string GenerateWireframeFragmentShader();
std::string GenerateVRAMReadFragmentShader();
std::string GenerateVRAMWriteFragmentShader(bool use_ssbo);
std::string GenerateVRAMCopyFragmentShader();
std::string GenerateVRAMFillFragmentShader(bool wrapped, bool interlaced);
std::string GenerateVRAMUpdateDepthFragmentShader();
std::string GenerateAdaptiveDownsampleVertexShader();
std::string GenerateAdaptiveDownsampleMipFragmentShader(bool first_pass);
std::string GenerateAdaptiveDownsampleBlurFragmentShader();
std::string GenerateAdaptiveDownsampleCompositeFragmentShader();
std::string GenerateBoxSampleDownsampleFragmentShader(u32 factor);
private:
ALWAYS_INLINE bool UsingMSAA() const { return m_multisamples > 1; }
ALWAYS_INLINE bool UsingPerSampleShading() const { return m_multisamples > 1 && m_per_sample_shading; }
void WriteCommonFunctions(std::stringstream& ss);
void WriteBatchUniformBuffer(std::stringstream& ss);
void WriteBatchTextureFilter(std::stringstream& ss, GPUTextureFilter texture_filter);
void WriteAdaptiveDownsampleUniformBuffer(std::stringstream& ss);
u32 m_resolution_scale;
u32 m_multisamples;
bool m_per_sample_shading;
bool m_true_color;
bool m_scaled_dithering;
GPUTextureFilter m_texture_filter;
bool m_uv_limits;
bool m_pgxp_depth;
bool m_disable_color_perspective;
};