diff options
Diffstat (limited to 'mesalib/src/mesa/swrast/s_span.c')
| -rw-r--r-- | mesalib/src/mesa/swrast/s_span.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/mesalib/src/mesa/swrast/s_span.c b/mesalib/src/mesa/swrast/s_span.c index 687c8eb0b..28c82990e 100644 --- a/mesalib/src/mesa/swrast/s_span.c +++ b/mesalib/src/mesa/swrast/s_span.c @@ -33,7 +33,6 @@ #include "main/glheader.h" #include "main/colormac.h" -#include "main/context.h" #include "main/macros.h" #include "main/imports.h" #include "main/image.h" @@ -971,6 +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) { @@ -1222,9 +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 */ @@ -1232,7 +1248,8 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) 4 * span->end * sizeof(GLchan)); } - ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB); + ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB || + rb->_BaseFormat == GL_ALPHA); if (ctx->Color._LogicOpEnabled) { _swrast_logicop_rgba_span(ctx, rb, span); @@ -1330,7 +1347,8 @@ _swrast_read_rgba_span( GLcontext *ctx, struct gl_renderbuffer *rb, ASSERT(rb); ASSERT(rb->GetRow); - ASSERT(rb->_BaseFormat == GL_RGB || rb->_BaseFormat == GL_RGBA); + ASSERT(rb->_BaseFormat == GL_RGB || rb->_BaseFormat == GL_RGBA || + rb->_BaseFormat == GL_ALPHA); if (rb->DataType == dstType) { rb->GetRow(ctx, rb, length, x + skip, y, |