Merge pull request #48 from rz5/master

(glow) Enforce the R8G8B8A8_SRGB format from within the shaders

crt/shaders/glow/blur_horiz.slang

@@ -20,6 +20,7 @@ void main()
 }
 
 #pragma stage fragment
+#pragma format R8G8B8A8_SRGB
 layout(location = 0) in  vec2 vTexCoord;
 layout(location = 0) out vec4 FragColor;
 layout(set = 0, binding = 2) uniform sampler2D Source;

crt/shaders/glow/gauss_horiz.slang

@@ -25,6 +25,7 @@ void main()
 }
 
 #pragma stage fragment
+#pragma format R8G8B8A8_SRGB
 layout(location = 0) in  vec2  vTexCoord;
 layout(location = 1) in  float data_pix_no;
 layout(location = 2) in  float data_one;

crt/shaders/glow/gauss_vert.slang

@@ -32,6 +32,7 @@ void main()
 }
 
 #pragma stage fragment
+#pragma format R8G8B8A8_SRGB
 layout(location = 0) in  vec2  vTexCoord;
 layout(location = 1) in  vec2  data_pix_no;
 layout(location = 2) in  float data_one;

crt/shaders/glow/lanczos_horiz.slang

@@ -25,6 +25,7 @@ void main()
 }
 
 #pragma stage fragment
+#pragma format R8G8B8A8_SRGB
 layout(location = 0) in  vec2  vTexCoord;
 layout(location = 1) in  float data_pix_no;
 layout(location = 2) in  float data_one;

crt/shaders/glow/linearize.slang

@@ -27,6 +27,7 @@ void main()
 }
 
 #pragma stage fragment
+#pragma format R8G8B8A8_SRGB
 layout(location = 0) in  vec2  vTexCoord;
 layout(location = 0) out vec4  FragColor;
 layout(set = 0, binding = 2) uniform sampler2D Source;

crt/shaders/glow/threshold.slang

@@ -29,6 +29,7 @@ void main()
 }
 
 #pragma stage fragment
+#pragma format R8G8B8A8_SRGB
 layout(location = 0) in  vec2  vTexCoord;
 layout(location = 0) out vec4  FragColor;
 layout(set = 0, binding = 2) uniform sampler2D Source;