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swrast: return (0,0,0,1) when sampling incomplete textures, not (0,0,0,0)

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Fixes piglit shaders/fp-incomplete-tex test.
This commit is contained in:
Brian Paul 2009-02-06 10:47:31 -07:00
parent e01a03d222
commit 1df62651b2
1 changed files with 4 additions and 2 deletions
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6
src/mesa/swrast/s_fragprog.c
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@ -84,7 +84,8 @@ fetch_texel_lod( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda,
swizzle_texel(rgba, color, texObj->_Swizzle);
}
else {
color[0] = color[1] = color[2] = color[3] = 0.0F;
color[0] = color[1] = color[2] = 0.0F;
color[3] = 1.0F;
}
}
@ -126,7 +127,8 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
swizzle_texel(rgba, color, texObj->_Swizzle);
}
else {
color[0] = color[1] = color[2] = color[3] = 0.0F;
color[0] = color[1] = color[2] = 0.0F;
color[3] = 1.0F;
}
}