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r300: Cleaned up the blend factor function.

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This commit is contained in:
Oliver McFadden 2007-05-11 21:31:22 +00:00
parent ef29d6af6c
commit bcaf8fc7b1
1 changed files with 17 additions and 19 deletions
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36
src/mesa/drivers/dri/r300/r300_state.c
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@ -97,60 +97,58 @@ static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4])
*/
static int blend_factor(GLenum factor, GLboolean is_src)
{
int func;
switch (factor) {
case GL_ZERO:
func = R300_BLEND_GL_ZERO;
return R300_BLEND_GL_ZERO;
break;
case GL_ONE:
func = R300_BLEND_GL_ONE;
return R300_BLEND_GL_ONE;
break;
case GL_DST_COLOR:
func = R300_BLEND_GL_DST_COLOR;
return R300_BLEND_GL_DST_COLOR;
break;
case GL_ONE_MINUS_DST_COLOR:
func = R300_BLEND_GL_ONE_MINUS_DST_COLOR;
return R300_BLEND_GL_ONE_MINUS_DST_COLOR;
break;
case GL_SRC_COLOR:
func = R300_BLEND_GL_SRC_COLOR;
return R300_BLEND_GL_SRC_COLOR;
break;
case GL_ONE_MINUS_SRC_COLOR:
func = R300_BLEND_GL_ONE_MINUS_SRC_COLOR;
return R300_BLEND_GL_ONE_MINUS_SRC_COLOR;
break;
case GL_SRC_ALPHA:
func = R300_BLEND_GL_SRC_ALPHA;
return R300_BLEND_GL_SRC_ALPHA;
break;
case GL_ONE_MINUS_SRC_ALPHA:
func = R300_BLEND_GL_ONE_MINUS_SRC_ALPHA;
return R300_BLEND_GL_ONE_MINUS_SRC_ALPHA;
break;
case GL_DST_ALPHA:
func = R300_BLEND_GL_DST_ALPHA;
return R300_BLEND_GL_DST_ALPHA;
break;
case GL_ONE_MINUS_DST_ALPHA:
func = R300_BLEND_GL_ONE_MINUS_DST_ALPHA;
return R300_BLEND_GL_ONE_MINUS_DST_ALPHA;
break;
case GL_SRC_ALPHA_SATURATE:
func = (is_src) ? R300_BLEND_GL_SRC_ALPHA_SATURATE :
return (is_src) ? R300_BLEND_GL_SRC_ALPHA_SATURATE :
R300_BLEND_GL_ZERO;
break;
case GL_CONSTANT_COLOR:
func = R300_BLEND_GL_CONST_COLOR;
return R300_BLEND_GL_CONST_COLOR;
break;
case GL_ONE_MINUS_CONSTANT_COLOR:
func = R300_BLEND_GL_ONE_MINUS_CONST_COLOR;
return R300_BLEND_GL_ONE_MINUS_CONST_COLOR;
break;
case GL_CONSTANT_ALPHA:
func = R300_BLEND_GL_CONST_ALPHA;
return R300_BLEND_GL_CONST_ALPHA;
break;
case GL_ONE_MINUS_CONSTANT_ALPHA:
func = R300_BLEND_GL_ONE_MINUS_CONST_ALPHA;
return R300_BLEND_GL_ONE_MINUS_CONST_ALPHA;
break;
default:
fprintf(stderr, "unknown blend factor %x\n", factor);
func = (is_src) ? R300_BLEND_GL_ONE : R300_BLEND_GL_ZERO;
return (is_src) ? R300_BLEND_GL_ONE : R300_BLEND_GL_ZERO;
break;
}
return func;
}
/**