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gl: generate correct gradient color texture

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Pixman generates gradient color at the center of pixel.  We need to
adjust such accordingly in GL when generating gradient texture
This commit is contained in:
Henry Song 2012-07-10 16:12:25 +01:00 • committed by Chris Wilson
parent 6938592ec7
commit 64a236246b
1 changed files with 2 additions and 2 deletions
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4
src/cairo-gl-gradient.c
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@ -124,9 +124,9 @@ _cairo_gl_gradient_render (const cairo_gl_context_t *ctx,
pixman_stops[i].color.alpha = stops[i].color.alpha_short;
}
p1.x = 0;
p1.x = _cairo_fixed_16_16_from_double (0.5);
p1.y = 0;
p2.x = width << 16;
p2.x = _cairo_fixed_16_16_from_double (width - 0.5);
p2.y = 0;
gradient = pixman_image_create_linear_gradient (&p1, &p2,