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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
36 lines
738 B
GLSL
36 lines
738 B
GLSL
#version 300 es
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#extension GL_OES_EGL_image_external_essl3 : enable
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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 vec2 uOutRes;
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uniform uvec4 uConsts[4];
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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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#define FSR_EASU_F 1
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AF4 FsrEasuRF(AF2 p){return AF4(textureGather(sampler1, p, 0));}
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AF4 FsrEasuGF(AF2 p){return AF4(textureGather(sampler1, p, 1));}
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AF4 FsrEasuBF(AF2 p){return AF4(textureGather(sampler1, p, 2));}
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#include "ffx_fsr1.h"
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void main()
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{
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vec3 color;
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uvec2 point = uvec2(fragCoord * uOutRes);
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FsrEasuF(color, point, uConsts[0], uConsts[1], uConsts[2], uConsts[3]);
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fragColor = vec4(color.rgb, 1);
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}
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