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facce0d8cb
That consider the display aspect ratio/padding when sampling pixels in the input (window size).
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// SPDX-FileCopyrightText: 2019-2023 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
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#pragma once
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#include "postprocessing_shader.h"
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namespace PostProcessing {
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class GLSLShader final : public Shader
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{
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public:
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GLSLShader();
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GLSLShader(std::string name, std::string code);
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~GLSLShader();
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ALWAYS_INLINE const std::string& GetCode() const { return m_code; }
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bool IsValid() const override;
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bool LoadFromFile(std::string name, const char* filename, Error* error);
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bool LoadFromString(std::string name, std::string code, Error* error);
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bool ResizeOutput(GPUTexture::Format format, u32 width, u32 height) override;
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bool CompilePipeline(GPUTexture::Format format, u32 width, u32 height, ProgressCallback* progress) override;
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bool Apply(GPUTexture* input, GPUTexture* final_target, s32 final_left, s32 final_top, s32 final_width,
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s32 final_height, s32 orig_width, s32 orig_height, s32 native_width, s32 native_height, u32 target_width,
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u32 target_height) override;
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private:
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struct CommonUniforms
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{
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float src_rect[4];
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float src_size[2];
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float window_size[2];
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float rcp_window_size[2];
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float viewport_size[2];
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float window_to_viewport_ratio[2];
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float internal_size[2];
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float internal_pixel_size[2];
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float norm_internal_pixel_size[2];
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float native_size[2];
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float native_pixel_size[2];
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float norm_native_pixel_size[2];
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float upscale_multiplier;
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float time;
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};
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void LoadOptions();
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u32 GetUniformsSize() const;
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void FillUniformBuffer(void* buffer, s32 viewport_x, s32 viewport_y, s32 viewport_width, s32 viewport_height,
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u32 window_width, u32 window_height, s32 original_width, s32 original_height, s32 native_width,
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s32 native_height, float time) const;
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std::string m_code;
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std::unique_ptr<GPUPipeline> m_pipeline;
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std::unique_ptr<GPUSampler> m_sampler;
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};
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} // namespace PostProcessing
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