From 9b75627fab5bf2ea90f27ddd31b60c54895f6de6 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Wed, 15 Apr 2009 15:53:34 +0200 Subject: gallium: Make sure we flush before some texture / buffer operations. Also implement context member functions to optimize away those flushes whenever possible. Signed-off-by: Thomas Hellstrom --- src/mesa/state_tracker/st_texture.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'src/mesa/state_tracker/st_texture.c') diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c index 19eb7e2f69..fcbaeb6989 100644 --- a/src/mesa/state_tracker/st_texture.c +++ b/src/mesa/state_tracker/st_texture.c @@ -188,8 +188,10 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, GLuint zoffset, enum pipe_transfer_usage usage, GLuint x, GLuint y, GLuint w, GLuint h) { - struct pipe_screen *screen = st->pipe->screen; + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; struct pipe_texture *pt = stImage->pt; + DBG("%s \n", __FUNCTION__); stImage->transfer = screen->get_tex_transfer(screen, pt, stImage->face, @@ -265,6 +267,7 @@ st_texture_image_data(struct pipe_context *pipe, struct pipe_transfer *dst_transfer; DBG("%s\n", __FUNCTION__); + for (i = 0; i < depth; i++) { dst_transfer = screen->get_tex_transfer(screen, dst, face, level, i, PIPE_TRANSFER_WRITE, 0, 0, @@ -481,3 +484,20 @@ st_release_teximage(struct st_framebuffer *stfb, uint surfIndex, return 1; } + +void +st_teximage_flush_before_map(struct st_context *st, + struct pipe_texture *pt, + unsigned int face, + unsigned int level, + enum pipe_transfer_usage usage) +{ + struct pipe_context *pipe = st->pipe; + unsigned referenced = + pipe->is_texture_referenced(pipe, pt, face, level); + + if (referenced && ((referenced & PIPE_REFERENCED_FOR_WRITE) || + usage == PIPE_TRANSFER_WRITE || + usage == PIPE_TRANSFER_READ_WRITE)) + st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL); +} -- cgit v1.2.3