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https://github.com/gnif/LookingGlass.git
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b4b4a37b2b
According to Erik @ NVidia the open source NVidia driver will not create a EGLImage from a DMABUF if the target is not GL_TEXTURE_EXTERNAL_OES. This change set converts the dmabuf texture from GL_TEXTURE_2D to GL_TEXTURE_EXTERNAL_OES and at runtime performs a global search & replace on fragment shaders as needed to remain compatible, replacing `sampler2D` with `samplerExternalOES`. Ref: https://github.com/NVIDIA/open-gpu-kernel-modules/discussions/243#discussioncomment-3283415
33 lines
646 B
GLSL
33 lines
646 B
GLSL
#version 300 es
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precision highp float;
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#include "compat.h"
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in vec2 fragCoord;
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out vec4 fragColor;
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uniform sampler2D sampler1;
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uniform uvec4 uConsts;
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#define A_GPU 1
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#define A_GLSL 1
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#define A_FULL 1
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#include "ffx_a.h"
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AF4 FsrRcasLoadF(ASU2 p) { return texelFetch(sampler1, ASU2(p), 0); }
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void FsrRcasInputF(inout AF1 r, inout AF1 g, inout AF1 b) {}
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#define FSR_RCAS_F 1
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#define FSR_RCAS_DENOISE 1
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#include "ffx_fsr1.h"
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void main()
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{
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vec2 inRes = vec2(textureSize(sampler1, 0));
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uvec2 point = uvec2(fragCoord * (inRes + 0.5f));
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FsrRcasF(fragColor.r, fragColor.g, fragColor.b, point, uConsts);
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fragColor.a = 1.0f;
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}
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