duckstation/src/core/gpu_hw_shadergen.h

55 lines
3.1 KiB
C++

// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: 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, bool supports_dual_source_blend, bool supports_framebuffer_fetch);
~GPU_HW_ShaderGen();
std::string GenerateScreenVertexShader() const;
std::string GenerateBatchVertexShader(bool upscaled, bool msaa, bool per_sample_shading, bool textured, bool palette,
bool page_texture, bool uv_limits, bool force_round_texcoords, bool pgxp_depth,
bool disable_color_perspective) const;
std::string GenerateBatchFragmentShader(GPU_HW::BatchRenderMode render_mode, GPUTransparencyMode transparency,
GPU_HW::BatchTextureMode texture_mode, GPUTextureFilter texture_filtering,
bool upscaled, bool msaa, bool per_sample_shading, bool uv_limits,
bool force_round_texcoords, bool true_color, bool dithering,
bool scaled_dithering, bool disable_color_perspective, bool interlacing,
bool check_mask, bool write_mask_as_depth, bool use_rov, bool use_rov_depth,
bool rov_depth_test) const;
std::string GenerateWireframeGeometryShader() const;
std::string GenerateWireframeFragmentShader() const;
std::string GenerateVRAMReadFragmentShader(u32 resolution_scale, u32 multisamples) const;
std::string GenerateVRAMWriteFragmentShader(bool use_buffer, bool use_ssbo, bool write_mask_as_depth,
bool write_depth_as_rt) const;
std::string GenerateVRAMCopyFragmentShader(bool write_mask_as_depth, bool write_depth_as_rt) const;
std::string GenerateVRAMFillFragmentShader(bool wrapped, bool interlaced, bool write_mask_as_depth,
bool write_depth_as_rt) const;
std::string GenerateVRAMUpdateDepthFragmentShader(bool msaa) const;
std::string GenerateVRAMExtractFragmentShader(u32 resolution_scale, u32 multisamples, bool color_24bit,
bool depth_buffer) const;
std::string GenerateVRAMReplacementBlitFragmentShader() const;
std::string GenerateAdaptiveDownsampleVertexShader() const;
std::string GenerateAdaptiveDownsampleMipFragmentShader() const;
std::string GenerateAdaptiveDownsampleBlurFragmentShader() const;
std::string GenerateAdaptiveDownsampleCompositeFragmentShader() const;
std::string GenerateBoxSampleDownsampleFragmentShader(u32 factor) const;
std::string GenerateReplacementMergeFragmentShader(bool semitransparent, bool bilinear_filter) const;
private:
void WriteColorConversionFunctions(std::stringstream& ss) const;
void WriteBatchUniformBuffer(std::stringstream& ss) const;
void WriteBatchTextureFilter(std::stringstream& ss, GPUTextureFilter texture_filter) const;
void WriteAdaptiveDownsampleUniformBuffer(std::stringstream& ss) const;
};