-/**
- * Check if we're about to draw into the front color buffer.
- * If so, set the brw->front_buffer_dirty field to true.
- */
-void
-intel_check_front_buffer_rendering(struct brw_context *brw)
-{
- struct gl_context *ctx = &brw->ctx;
- const struct gl_framebuffer *fb = ctx->DrawBuffer;
- if (_mesa_is_winsys_fbo(fb)) {
- /* drawing to window system buffer */
- if (fb->_NumColorDrawBuffers > 0) {
- if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
- brw->front_buffer_dirty = true;
- }
- }
- }
-}
-
-bool
-brw_is_front_buffer_reading(struct gl_framebuffer *fb)
-{
- if (!fb || _mesa_is_user_fbo(fb))
- return false;
-
- return fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT;
-}
-
-bool
-brw_is_front_buffer_drawing(struct gl_framebuffer *fb)
-{
- if (!fb || _mesa_is_user_fbo(fb))
- return false;
-
- return (fb->_NumColorDrawBuffers >= 1 &&
- fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT);
-}
-