From b3a3cb96113f732d387141c7e120f92cba2cdd69 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 2 Apr 2013 17:19:55 -0700 Subject: [PATCH] intel: Add support for writing to our linear-temporary-CPU-map case. This will be used for handling updates of large textures. Reviewed-by: Kenneth Graunke Reviewed-by: Chad Versace . --- .../drivers/dri/intel/intel_mipmap_tree.c | 25 +++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c index 66cadebc905..ffdaec5945c 100644 --- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c @@ -1347,9 +1347,30 @@ intel_miptree_unmap_blit(struct intel_context *intel, unsigned int level, unsigned int slice) { - assert(!(map->mode & GL_MAP_WRITE_BIT)); - + struct gl_context *ctx = &intel->ctx; drm_intel_bo_unmap(map->bo); + + if (map->mode & GL_MAP_WRITE_BIT) { + unsigned int image_x, image_y; + int x = map->x; + int y = map->y; + intel_miptree_get_image_offset(mt, level, slice, &image_x, &image_y); + x += image_x; + y += image_y; + + bool ok = intelEmitCopyBlit(intel, + mt->region->cpp, + map->stride, map->bo, + 0, I915_TILING_NONE, + mt->region->pitch, mt->region->bo, + mt->offset, mt->region->tiling, + 0, 0, + x, y, + map->w, map->h, + GL_COPY); + WARN_ONCE(!ok, "Failed to blit from linear temporary mapping"); + } + drm_intel_bo_unreference(map->bo); } -- 2.30.2