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Fixed knulli rendering

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This commit is contained in:
Dominic Masters
2026-03-29 18:53:42 -05:00
parent ef5febdde3
commit 8af961c6d3
2 changed files with 9 additions and 24 deletions
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11
src/duskgl/display/shader/shaderunlitgl.c
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@@ -122,7 +122,7 @@
// Uniforms
"uniform sampler2D u_Texture;\n"
"uniform int u_TextureType;\n"
"uniform vec4 u_Colors[256];\n"// For paletted textures.
"uniform uint u_Colors[256];\n"// For paletted textures.
"uniform int u_ColorCount;\n"
// Fragment shader inputs
"in vec4 v_Color;\n"
@@ -140,8 +140,13 @@
" }\n"
" if(u_TextureType == 2) {\n"// Paletted texture
" vec4 texColor = texture(u_Texture, v_TexCoord);\n"
" int index = int(floor(texColor.r * 255.0));\n"
" vec4 paletteColor = u_Colors[index];\n"
" uint index = uint(floor(texColor.r * 255.0));\n"
" uint palColor = u_Colors[index];\n"
" float r = float((palColor >> 24) & 0xFFu) / 255.0;\n"
" float g = float((palColor >> 16) & 0xFFu) / 255.0;\n"
" float b = float((palColor >> 8) & 0xFFu) / 255.0;\n"
" float a = float((palColor >> 0) & 0xFFu) / 255.0;\n"
" vec4 paletteColor = vec4(r, g, b, a);\n"
" FragColor = paletteColor;\n"
" return;\n"
" }\n"