Mesa (master): r600g: force flush on map as temporary fix to readpixel

[Jerome Glisse]

Module: Mesa
Branch: master
Commit: 12dac449fba5fe17087fd48ac959a5388875b2d3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=12dac449fba5fe17087fd48ac959a5388875b2d3

Author: Jerome Glisse <jglisse at redhat.com>
Date:   Wed Aug  4 16:28:33 2010 -0400

r600g: force flush on map as temporary fix to readpixel

Should allow more piglit test to pass. Need to plugin
proper flushing.

Signed-off-by: Jerome Glisse <jglisse at redhat.com>

---

 src/gallium/drivers/r600/r600_texture.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 3725bf8..033c71f 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -234,6 +234,8 @@ void* r600_texture_transfer_map(struct pipe_context *ctx,
 	struct r600_screen *rscreen = r600_screen(ctx->screen);
 	char *map;
 
+	r600_flush(ctx, 0, NULL);
+
 	resource = (struct r600_resource *)transfer->resource;
 	if (radeon_bo_map(rscreen->rw, resource->bo)) {
 		return NULL;