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Use ESSL 1.0 for EGLRenderer shaders

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We still ostensibly support GLES 2.0 GPUs.
This commit is contained in:
Cameron Gutman
2025-12-27 22:56:20 -06:00
parent 249c29b74c
commit d1f43ca258
8 changed files with 15 additions and 40 deletions
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4
app/resources.qrc
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@@ -84,11 +84,9 @@
<file alias="gamecontrollerdb.txt">SDL_GameControllerDB/gamecontrollerdb.txt</file>
<file alias="ModeSeven.ttf">ModeSeven.ttf</file>
<file alias="egl_nv12.frag">shaders/egl_nv12.frag</file>
<file alias="egl_nv12.vert">shaders/egl_nv12.vert</file>
<file alias="egl_opaque.frag">shaders/egl_opaque.frag</file>
<file alias="egl_opaque.vert">shaders/egl_opaque.vert</file>
<file alias="egl_overlay.frag">shaders/egl_overlay.frag</file>
<file alias="egl_overlay.vert">shaders/egl_overlay.vert</file>
<file alias="egl.vert">shaders/egl.vert</file>
<file alias="d3d11_vertex.fxc">shaders/d3d11_vertex.fxc</file>
<file alias="d3d11_overlay_pixel.fxc">shaders/d3d11_overlay_pixel.fxc</file>
<file alias="d3d11_yuv420_pixel.fxc">shaders/d3d11_yuv420_pixel.fxc</file>

2
app/shaders/egl_overlay.vert → app/shaders/egl.vert
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@@ -5,4 +5,4 @@ varying vec2 vTexCoord;
void main() {
vTexCoord = aTexCoord;
gl_Position = vec4(aPosition, 0, 1);
}
}

16
app/shaders/egl_nv12.frag
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@@ -1,9 +1,7 @@
#version 300 es
#extension GL_OES_EGL_image_external : require
precision mediump float;
out vec4 FragColor;
in vec2 vTextCoord;
varying vec2 vTexCoord;
uniform mat3 yuvmat;
uniform vec3 offset;
@@ -12,11 +10,11 @@ uniform samplerExternalOES plane1;
uniform samplerExternalOES plane2;
void main() {
vec3 YCbCr = vec3(
texture2D(plane1, vTextCoord)[0],
texture2D(plane2, vTextCoord + chromaOffset).xy
);
vec3 YCbCr = vec3(
texture2D(plane1, vTexCoord)[0],
texture2D(plane2, vTexCoord + chromaOffset).xy
);
YCbCr -= offset;
FragColor = vec4(clamp(yuvmat * YCbCr, 0.0, 1.0), 1.0f);
YCbCr -= offset;
gl_FragColor = vec4(clamp(yuvmat * YCbCr, 0.0, 1.0), 1.0f);
}

10
app/shaders/egl_nv12.vert
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@@ -1,10 +0,0 @@
#version 300 es
layout (location = 0) in vec2 aPosition; // 2D: X,Y
layout (location = 1) in vec2 aTexCoord;
out vec2 vTextCoord;
void main() {
vTextCoord = aTexCoord;
gl_Position = vec4(aPosition, 0, 1);
}

6
app/shaders/egl_opaque.frag
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@@ -1,12 +1,10 @@
#version 300 es
#extension GL_OES_EGL_image_external : require
precision mediump float;
out vec4 FragColor;
in vec2 vTextCoord;
varying vec2 vTexCoord;
uniform samplerExternalOES uTexture;
void main() {
FragColor = texture2D(uTexture, vTextCoord);
gl_FragColor = texture2D(uTexture, vTexCoord);
}

10
app/shaders/egl_opaque.vert
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@@ -1,10 +0,0 @@
#version 300 es
layout (location = 0) in vec2 aPosition; // 2D: X,Y
layout (location = 1) in vec2 aTexCoord;
out vec2 vTextCoord;
void main() {
vTextCoord = aTexCoord;
gl_Position = vec4(aPosition, 0, 1);
}

1
app/shaders/egl_overlay.frag
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@@ -1,4 +1,5 @@
precision mediump float;
uniform sampler2D uTexture;
varying vec2 vTexCoord;

6
app/streaming/video/ffmpeg-renderers/eglvid.cpp
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@@ -351,7 +351,7 @@ bool EGLRenderer::compileShaders() {
// XXX: TODO: other formats
if (m_EGLImagePixelFormat == AV_PIX_FMT_NV12 || m_EGLImagePixelFormat == AV_PIX_FMT_P010) {
m_ShaderProgram = compileShader("egl_nv12.vert", "egl_nv12.frag");
m_ShaderProgram = compileShader("egl.vert", "egl_nv12.frag");
if (!m_ShaderProgram) {
return false;
}
@@ -369,7 +369,7 @@ bool EGLRenderer::compileShaders() {
glUseProgram(0);
}
else if (m_EGLImagePixelFormat == AV_PIX_FMT_DRM_PRIME) {
m_ShaderProgram = compileShader("egl_opaque.vert", "egl_opaque.frag");
m_ShaderProgram = compileShader("egl.vert", "egl_opaque.frag");
if (!m_ShaderProgram) {
return false;
}
@@ -389,7 +389,7 @@ bool EGLRenderer::compileShaders() {
return false;
}
m_OverlayShaderProgram = compileShader("egl_overlay.vert", "egl_overlay.frag");
m_OverlayShaderProgram = compileShader("egl.vert", "egl_overlay.frag");
if (!m_OverlayShaderProgram) {
return false;
}