summaryrefslogtreecommitdiff
path: root/src/mesa/swrast
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/swrast')
-rw-r--r--src/mesa/swrast/s_readpix.c3
-rw-r--r--src/mesa/swrast/s_span.c6
2 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 553fd9a76d..1de481248b 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -191,7 +191,8 @@ fast_read_rgba_pixels( GLcontext *ctx,
if (!rb)
return GL_FALSE;
- ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
+ ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB ||
+ rb->_BaseFormat == GL_ALPHA);
/* clipping should have already been done */
ASSERT(x + width <= (GLint) rb->Width);
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 8931cdec1b..28c82990e0 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1248,7 +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);
@@ -1346,7 +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,