diff options
| author | Jordan Justen <[email protected]> | 2012-12-28 11:27:04 -0800 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2013-01-20 19:54:38 -0800 |
| commit | ce9118c7f053e68102e215c7cf57a6d1b68d5955 (patch) | |
| tree | fa5a465a938bd1e16855f583c602e67bb837bf05 /src/mesa/main/readpix.c | |
| parent | 8b0bc9de367b4bada8a733d31e5889e5a9de91d8 (diff) | |
readpix: check FBO completeness before trying to access the read-buffer
Reviewed-by: Ian Romanick <[email protected]>
Signed-off-by: Jordan Justen <[email protected]>
Diffstat (limited to 'src/mesa/main/readpix.c')
| -rw-r--r-- | src/mesa/main/readpix.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/mesa/main/readpix.c b/src/mesa/main/readpix.c index d9c840e6197..cb4d02daf81 100644 --- a/src/mesa/main/readpix.c +++ b/src/mesa/main/readpix.c @@ -746,6 +746,15 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, return; } + if (ctx->NewState) + _mesa_update_state(ctx); + + if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { + _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, + "glReadPixels(incomplete framebuffer)" ); + return; + } + rb = _mesa_get_read_renderbuffer_for_format(ctx, format); if (rb == NULL) { _mesa_error(ctx, GL_INVALID_OPERATION, @@ -786,9 +795,6 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, } } - if (ctx->NewState) - _mesa_update_state(ctx); - err = _mesa_error_check_format_and_type(ctx, format, type); if (err != GL_NO_ERROR) { _mesa_error(ctx, err, "glReadPixels(invalid format %s and/or type %s)", @@ -797,12 +803,6 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height, return; } - if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glReadPixels(incomplete framebuffer)" ); - return; - } - if (_mesa_is_user_fbo(ctx->ReadBuffer) && ctx->ReadBuffer->Visual.samples > 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(multisample FBO)"); |