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OpenGL3: Add subpixel offset for 2D rendering (#16676)

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ExeVirus
2025-11-16 08:59:33 -05:00
committed by GitHub
parent 785042dc9e
commit 7c310cd7f5
1 changed files with 4 additions and 1 deletions
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5
client/shaders/Irrlicht/Renderer2D.vsh
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@@ -18,7 +18,10 @@ varying vec4 vVertexColor;
void main() void main()
{ {
gl_Position = uProjection * inVertexPosition; // Subpixel offset to render pixel-perfect 2D images
// This is a compromise that is expected to work well on most drivers.
// Explanation: https://jvm-gaming.org/t/pixel-perfect-rendering-in-2d/26261/4
gl_Position = uProjection * (inVertexPosition + vec4(0.375, 0.375, 0.0, 0.0));
gl_PointSize = uThickness; gl_PointSize = uThickness;
vTextureCoord = inTexCoord0; vTextureCoord = inTexCoord0;
vVertexColor = inVertexColor.bgra; vVertexColor = inVertexColor.bgra;