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gl_engine: fix color burn/dodge edge cases

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Aligned with sw_engine implementation.
This commit is contained in:
Mira Grudzinska 2025-01-30 14:19:05 +01:00
parent 6a00eb8db0
commit 0a76a4f0a3
1 changed files with 6 additions and 6 deletions
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12
src/renderer/gl_engine/tvgGlShaderSrc.cpp
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@ -691,9 +691,9 @@ const char* COLOR_DODGE_BLEND_FRAG = COMPLEX_BLEND_HEADER R"(
vec4 dstColor = texture(uDstTexture, vUV);
FragColor = vec4(
1.0 - srcColor.r > 0.0 ? dstColor.r / (1.0 - srcColor.r) : dstColor.r,
1.0 - srcColor.g > 0.0 ? dstColor.g / (1.0 - srcColor.g) : dstColor.g,
1.0 - srcColor.b > 0.0 ? dstColor.b / (1.0 - srcColor.b) : dstColor.b,
srcColor.r < 1.0 ? dstColor.r / (1.0 - srcColor.r) : (dstColor.r > 0.0 ? 1.0 : 0.0),
srcColor.g < 1.0 ? dstColor.g / (1.0 - srcColor.g) : (dstColor.g > 0.0 ? 1.0 : 0.0),
srcColor.b < 1.0 ? dstColor.b / (1.0 - srcColor.b) : (dstColor.b > 0.0 ? 1.0 : 0.0),
1.0
);
}
@ -705,9 +705,9 @@ const char* COLOR_BURN_BLEND_FRAG = COMPLEX_BLEND_HEADER R"(
vec4 dstColor = texture(uDstTexture, vUV);
FragColor = vec4(
srcColor.r > 0.0 ? (1.0 - (1.0 - dstColor.r) / srcColor.r) : dstColor.r,
srcColor.g > 0.0 ? (1.0 - (1.0 - dstColor.g) / srcColor.g) : dstColor.g,
srcColor.b > 0.0 ? (1.0 - (1.0 - dstColor.b) / srcColor.b) : dstColor.b,
srcColor.r > 0.0 ? (1.0 - (1.0 - dstColor.r) / srcColor.r) : (dstColor.r < 1.0 ? 0.0 : 1.0),
srcColor.g > 0.0 ? (1.0 - (1.0 - dstColor.g) / srcColor.g) : (dstColor.g < 1.0 ? 0.0 : 1.0),
srcColor.b > 0.0 ? (1.0 - (1.0 - dstColor.b) / srcColor.b) : (dstColor.b < 1.0 ? 0.0 : 1.0),
1.0
);
}