From 4617981ec72f7985941bee4b03c534d97ff96bc6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Michel=20D=C3=A4nzer?= Date: Thu, 5 Feb 2009 19:41:18 +0100 Subject: gallium: No longer allow CPU mapping surfaces directly. Instead, a new pipe_transfer object has to be created and mapped for transferring data between the CPU and a texture. This gives the driver more flexibility for textures in address spaces that aren't CPU accessible. This is a first pass; softpipe/xlib builds and runs glxgears, but it only shows a black window. Looks like something's off related to the Z buffer, so the depth test always fails. --- src/mesa/state_tracker/st_texture.c | 36 +++++++++++++++++++----------------- 1 file changed, 19 insertions(+), 17 deletions(-) (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 63cfe5fc16..63a36324d4 100644 --- a/src/mesa/state_tracker/st_texture.c +++ b/src/mesa/state_tracker/st_texture.c @@ -191,19 +191,19 @@ st_texture_image_offset(const struct pipe_texture * pt, */ GLubyte * st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, - GLuint zoffset, - GLuint flags ) + GLuint zoffset, enum pipe_transfer_usage usage, + GLuint x, GLuint y, GLuint w, GLuint h) { struct pipe_screen *screen = st->pipe->screen; struct pipe_texture *pt = stImage->pt; DBG("%s \n", __FUNCTION__); - stImage->surface = screen->get_tex_surface(screen, pt, stImage->face, - stImage->level, zoffset, - flags); + stImage->transfer = screen->get_tex_transfer(screen, pt, stImage->face, + stImage->level, zoffset, + usage, x, y, w, h); - if (stImage->surface) - return screen->surface_map(screen, stImage->surface, flags); + if (stImage->transfer) + return screen->transfer_map(screen, stImage->transfer); else return NULL; } @@ -217,9 +217,9 @@ st_texture_image_unmap(struct st_context *st, DBG("%s\n", __FUNCTION__); - screen->surface_unmap(screen, stImage->surface); + screen->transfer_unmap(screen, stImage->transfer); - pipe_surface_reference(&stImage->surface, NULL); + screen->tex_transfer_release(screen, &stImage->transfer); } @@ -234,13 +234,13 @@ st_texture_image_unmap(struct st_context *st, */ static void st_surface_data(struct pipe_context *pipe, - struct pipe_surface *dst, + struct pipe_transfer *dst, unsigned dstx, unsigned dsty, const void *src, unsigned src_stride, unsigned srcx, unsigned srcy, unsigned width, unsigned height) { struct pipe_screen *screen = pipe->screen; - void *map = screen->surface_map(screen, dst, PIPE_BUFFER_USAGE_CPU_WRITE); + void *map = screen->transfer_map(screen, dst); pipe_copy_rect(map, &dst->block, @@ -250,7 +250,7 @@ st_surface_data(struct pipe_context *pipe, src, src_stride, srcx, srcy); - screen->surface_unmap(screen, dst); + screen->transfer_unmap(screen, dst); } @@ -268,21 +268,23 @@ st_texture_image_data(struct pipe_context *pipe, GLuint depth = dst->depth[level]; GLuint i; const GLubyte *srcUB = src; - struct pipe_surface *dst_surface; + struct pipe_transfer *dst_transfer; DBG("%s\n", __FUNCTION__); for (i = 0; i < depth; i++) { - dst_surface = screen->get_tex_surface(screen, dst, face, level, i, - PIPE_BUFFER_USAGE_CPU_WRITE); + dst_transfer = screen->get_tex_transfer(screen, dst, face, level, i, + PIPE_TRANSFER_WRITE, 0, 0, + dst->width[level], + dst->height[level]); - st_surface_data(pipe, dst_surface, + st_surface_data(pipe, dst_transfer, 0, 0, /* dstx, dsty */ srcUB, src_row_stride, 0, 0, /* source x, y */ dst->width[level], dst->height[level]); /* width, height */ - screen->tex_surface_release(screen, &dst_surface); + screen->tex_transfer_release(screen, &dst_transfer); srcUB += src_image_stride; } -- cgit v1.2.3