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Diffstat (limited to 'src/mesa/swrast/s_span.c')
-rw-r--r--src/mesa/swrast/s_span.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 90a3d5545f..3aaa3395e4 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1169,10 +1169,17 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
if (ctx->FragmentProgram._Current ||
ctx->ATIFragmentShader._Enabled) {
/* programmable shading */
+ if (span->primitive == GL_BITMAP) {
+ if (span->array->ChanType != GL_FLOAT)
+ convert_color_type(span, GL_FLOAT, 0);
+ interpolate_active_attribs(ctx, span, ~FRAG_ATTRIB_COL0);
+ }
+ else {
+ /* point, line, triangle */
+ interpolate_active_attribs(ctx, span, ~0);
+ }
span->array->ChanType = GL_FLOAT;
- interpolate_active_attribs(ctx, span, ~0);
-
if (!(span->arrayMask & SPAN_Z))
_swrast_span_interpolate_z (ctx, span);