diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index 2a2eb0992c8..82ab914503b 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -44,6 +44,7 @@ #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" +#include "st_atom.h" #include "st_context.h" #include "st_cb_fbo.h" #include "st_cb_flush.h" @@ -711,9 +712,17 @@ st_ReadBuffer(struct gl_context *ctx, GLenum buffer) (void) buffer; - /* add the renderbuffer on demand */ - if (fb->_ColorReadBufferIndex >= 0) + /* Check if we need to allocate a front color buffer. + * Front buffers are often allocated on demand (other color buffers are + * always allocated in advance). + */ + if ((fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT || + fb->_ColorReadBufferIndex == BUFFER_FRONT_RIGHT) && + fb->Attachment[fb->_ColorReadBufferIndex].Type == GL_NONE) { + /* add the buffer */ st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); + st_validate_state(st, ST_PIPELINE_RENDER); + } } |