r600g: partialy fix texturing from depth buffer + initial support for untiling

Partialy fix texturing from depth buffer, depth buffer is tiled
following different tile organisation that color buffer. This
properly set the tile type & array mode field of texture sampler
when sampling from db resource.

Add initial support to untiling buffer when transfering them,
it's kind of broken by corruption the vertex buffer of previous
draw.

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

1 files changed, 24 insertions, 3 deletions

diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index aef4fbd9af..dc57b333a0 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -120,7 +120,8 @@ static void r600_clear_depth_stencil(struct pipe_context *ctx,
 	r600_queries_resume(ctx);
 }
 
-static void r600_resource_copy_region(struct pipe_context *pipe,
+
+static void r600_resource_copy_region(struct pipe_context *ctx,
 				      struct pipe_resource *dst,
 				      struct pipe_subresource subdst,
 				      unsigned dstx, unsigned dsty, unsigned dstz,
@@ -129,8 +130,28 @@ static void r600_resource_copy_region(struct pipe_context *pipe,
 				      unsigned srcx, unsigned srcy, unsigned srcz,
 				      unsigned width, unsigned height)
 {
-	util_resource_copy_region(pipe, dst, subdst, dstx, dsty, dstz,
-				  src, subsrc, srcx, srcy, srcz, width, height);
+	struct r600_context *rctx = r600_context(ctx);
+	struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer;
+	struct pipe_sampler_state *samplers[PIPE_MAX_ATTRIBS];
+	struct pipe_sampler_view_state *sampler_views[PIPE_MAX_ATTRIBS];
+	unsigned i;
+
+	for (i = 0; i < rctx->ps_nsampler_view; i++) {
+		sampler_views[i] = &rctx->ps_sampler_view[i]->state.sampler_view;
+	}
+	for (i = 0; i < rctx->ps_nsampler; i++) {
+		samplers[i] = &rctx->ps_sampler[i]->state.sampler;
+	}
+	r600_blitter_save_states(ctx);
+	util_blitter_save_framebuffer(rctx->blitter, fb);
+	util_blitter_save_fragment_sampler_states(rctx->blitter, rctx->ps_nsampler, samplers);
+	util_blitter_save_fragment_sampler_views(rctx->blitter, rctx->ps_nsampler_view, sampler_views);
+
+	util_blitter_copy_region(rctx->blitter, dst, subdst, dstx, dsty, dstz,
+			src, subsrc, srcx, srcy, srcz, width, height,
+			TRUE);
+	/* resume queries */
+	r600_queries_resume(ctx);
 }
 
 void r600_init_blit_functions(struct r600_context *rctx)