swrast: Add LUMINANCE, INTENSITY, LUMINANCE_ALPHA to span asserts.

Fixes ARB_texture_float/fbo-alphatest-formats.

Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 5604c2e..a201a63 100644 (file)
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -195,6 +195,9 @@ fast_read_rgba_pixels( struct gl_context *ctx,
          rb->_BaseFormat == GL_RGB ||
          rb->_BaseFormat == GL_RG ||
          rb->_BaseFormat == GL_RED ||
+         rb->_BaseFormat == GL_LUMINANCE ||
+         rb->_BaseFormat == GL_INTENSITY ||
+         rb->_BaseFormat == GL_LUMINANCE_ALPHA ||
          rb->_BaseFormat == GL_ALPHA);
 
    /* clipping should have already been done */

diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index b0f8e49..f0524e0 100644 (file)
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1352,6 +1352,9 @@ _swrast_read_rgba_span( struct gl_context *ctx, struct gl_renderbuffer *rb,
             rb->_BaseFormat == GL_RGB ||
             rb->_BaseFormat == GL_RG ||
             rb->_BaseFormat == GL_RED ||
+            rb->_BaseFormat == GL_LUMINANCE ||
+            rb->_BaseFormat == GL_INTENSITY ||
+            rb->_BaseFormat == GL_LUMINANCE_ALPHA ||
             rb->_BaseFormat == GL_ALPHA);
 
       if (rb->DataType == dstType) {