diff options
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_tex_copy.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_tex_copy.c b/src/mesa/drivers/dri/intel/intel_tex_copy.c index 549a4acc7d9..ddc2c337c8a 100644 --- a/src/mesa/drivers/dri/intel/intel_tex_copy.c +++ b/src/mesa/drivers/dri/intel/intel_tex_copy.c @@ -74,6 +74,14 @@ get_teximage_source(struct intel_context *intel, GLenum internalFormat) return NULL; case GL_RGBA: case GL_RGBA8: + irb = intel_renderbuffer(intel->ctx.ReadBuffer->_ColorReadBuffer); + /* We're required to set alpha to 1.0 in this case, but we can't + * do that with the blitter, so fall back. We could use the 3D + * engine or do two passes with the blitter, but it doesn't seem + * worth it for this case. */ + if (irb->Base._BaseFormat == GL_RGB) + return NULL; + return irb->region; case GL_RGB: case GL_RGB8: return intel_readbuf_region(intel); |