diff options
| author | M.Froehlich@science-computing.de <M.Froehlich@science-computing.de> | 2010-08-10 21:19:46 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2010-08-10 21:21:26 -0600 |
| commit | c8e714df013cdf360602f9cc96d26cb732b19a32 (patch) | |
| tree | 3b6ef0863be088c19f8cec1cb455d33bda701328 | |
| parent | ca5227ce8b749fa3f00438c41066def6e0a8dbe4 (diff) | |
swrast: fix span color array pointer assignment for 32-bit/channel rendering
See fd.o bug 29487.
NOTE: This is a candidate for the 7.8 branch.
Signed-off-by: Brian Paul <brianp@vmware.com>
| -rw-r--r-- | src/mesa/swrast/s_span.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index 3b3929a41b..8931cdec1b 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -970,6 +970,10 @@ shade_texture_span(GLcontext *ctx, SWspan *span) if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) { convert_color_type(span, GL_FLOAT, 0); } + else { + span->array->rgba = (void *) span->array->attribs[FRAG_ATTRIB_COL0]; + } + if (span->primitive != GL_POINT || (span->interpMask & SPAN_RGBA) || ctx->Point.PointSprite) { @@ -1221,9 +1225,22 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) GLchan rgbaSave[MAX_WIDTH][4]; const GLuint fragOutput = multiFragOutputs ? buf : 0; + /* set span->array->rgba to colors for render buffer's datatype */ if (rb->DataType != span->array->ChanType || fragOutput > 0) { convert_color_type(span, rb->DataType, fragOutput); } + else { + if (rb->DataType == GL_UNSIGNED_BYTE) { + span->array->rgba = span->array->rgba8; + } + else if (rb->DataType == GL_UNSIGNED_SHORT) { + span->array->rgba = (void *) span->array->rgba16; + } + else { + span->array->rgba = (void *) + span->array->attribs[FRAG_ATTRIB_COL0]; + } + } if (!multiFragOutputs && numBuffers > 1) { /* save colors for second, third renderbuffer writes */ |