r600g: retrieve tiling info from kernel for shared buffers.

we need to know if the back is tiled so we can blit from it properly.

diff --git a/src/gallium/drivers/r600/r600.h b/src/gallium/drivers/r600/r600.h
index 15ee001..62d9832 100644 (file)
--- a/src/gallium/drivers/r600/r600.h
+++ b/src/gallium/drivers/r600/r600.h
@@ -114,7 +114,7 @@ struct r600_bo;
 struct r600_bo *r600_bo(struct radeon *radeon,
                                  unsigned size, unsigned alignment, unsigned usage);
 struct r600_bo *r600_bo_handle(struct radeon *radeon,
-                                        unsigned handle);
+                              unsigned handle, unsigned *array_mode);
 void *r600_bo_map(struct radeon *radeon, struct r600_bo *bo, unsigned usage, void *ctx);
 void r600_bo_unmap(struct radeon *radeon, struct r600_bo *bo);
 void r600_bo_reference(struct radeon *radeon, struct r600_bo **dst,

diff --git a/src/gallium/drivers/r600/r600_buffer.c b/src/gallium/drivers/r600/r600_buffer.c
index 2bfa4e2..455aa2e 100644 (file)
--- a/src/gallium/drivers/r600/r600_buffer.c
+++ b/src/gallium/drivers/r600/r600_buffer.c
@@ -227,7 +227,7 @@ struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
        struct r600_resource *rbuffer;
        struct r600_bo *bo = NULL;
 
-       bo = r600_bo_handle(rw, whandle->handle);
+       bo = r600_bo_handle(rw, whandle->handle, NULL);
        if (bo == NULL) {
                return NULL;
        }

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index edaebf8..95906a7 100644 (file)
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -192,6 +192,8 @@ r600_texture_create_object(struct pipe_screen *screen,
        rtex->pitch_override = pitch_in_bytes_override;
        rtex->array_mode = array_mode;
 
+       if (array_mode)
+               rtex->tiled = 1;
        r600_setup_miptree(screen, rtex);
 
        resource->size = rtex->size;
@@ -271,18 +273,19 @@ struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
 {
        struct radeon *rw = (struct radeon*)screen->winsys;
        struct r600_bo *bo = NULL;
+       unsigned array_mode = 0;
 
        /* Support only 2D textures without mipmaps */
        if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) ||
              templ->depth0 != 1 || templ->last_level != 0)
                return NULL;
 
-       bo = r600_bo_handle(rw, whandle->handle);
+       bo = r600_bo_handle(rw, whandle->handle, &array_mode);
        if (bo == NULL) {
                return NULL;
        }
 
-       return (struct pipe_resource *)r600_texture_create_object(screen, templ, 0,
+       return (struct pipe_resource *)r600_texture_create_object(screen, templ, array_mode,
                                                                  whandle->stride,
                                                                  0,
                                                                  bo);

diff --git a/src/gallium/winsys/r600/drm/r600_bo.c b/src/gallium/winsys/r600/drm/r600_bo.c
index 9498f3a..7d54ff1 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_bo.c
+++ b/src/gallium/winsys/r600/drm/r600_bo.c
@@ -26,7 +26,9 @@
 #include <pipe/p_compiler.h>
 #include <pipe/p_screen.h>
 #include <pipebuffer/pb_bufmgr.h>
+#include "radeon_drm.h"
 #include "r600_priv.h"
+#include "r600d.h"
 
 struct r600_bo *r600_bo(struct radeon *radeon,
                                  unsigned size, unsigned alignment, unsigned usage)
@@ -55,7 +57,7 @@ struct r600_bo *r600_bo(struct radeon *radeon,
 }
 
 struct r600_bo *r600_bo_handle(struct radeon *radeon,
-                                        unsigned handle)
+                              unsigned handle, unsigned *array_mode)
 {
        struct r600_bo *ws_bo = calloc(1, sizeof(struct r600_bo));
        struct radeon_bo *bo;
@@ -68,6 +70,20 @@ struct r600_bo *r600_bo_handle(struct radeon *radeon,
        bo = radeon_bo_pb_get_bo(ws_bo->pb);
        ws_bo->size = bo->size;
        pipe_reference_init(&ws_bo->reference, 1);
+
+       radeon_bo_get_tiling_flags(radeon, bo, &ws_bo->tiling_flags,
+                                  &ws_bo->kernel_pitch);
+       if (array_mode) {
+               if (ws_bo->tiling_flags) {
+                       if (ws_bo->tiling_flags & RADEON_TILING_MICRO)
+                               *array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
+                       if ((ws_bo->tiling_flags & (RADEON_TILING_MICRO | RADEON_TILING_MACRO)) ==
+                           (RADEON_TILING_MICRO | RADEON_TILING_MACRO))
+                               *array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
+               } else {
+                       *array_mode = 0;
+               }
+       }
        return ws_bo;
 }
 

diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h
index 08e243b..b5bd7bd 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_priv.h
+++ b/src/gallium/winsys/r600/drm/r600_priv.h
@@ -77,6 +77,8 @@ struct r600_bo {
        struct pipe_reference           reference;
        struct pb_buffer                *pb;
        unsigned                        size;
+       unsigned                        tiling_flags;
+       unsigned                        kernel_pitch;
 };
 
 
@@ -95,7 +97,10 @@ int radeon_bo_wait(struct radeon *radeon, struct radeon_bo *bo);
 int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain);
 void radeon_bo_pbmgr_flush_maps(struct pb_manager *_mgr);
 int radeon_bo_fencelist(struct radeon *radeon, struct radeon_bo **bolist, uint32_t num_bo);
-
+int radeon_bo_get_tiling_flags(struct radeon *radeon,
+                              struct radeon_bo *bo,
+                              uint32_t *tiling_flags,
+                              uint32_t *pitch);
 
 /* radeon_bo_pb.c */
 struct radeon_bo *radeon_bo_pb_get_bo(struct pb_buffer *_buf);

diff --git a/src/gallium/winsys/r600/drm/radeon_bo.c b/src/gallium/winsys/r600/drm/radeon_bo.c
index 14a0016..9d664b7 100644 (file)
--- a/src/gallium/winsys/r600/drm/radeon_bo.c
+++ b/src/gallium/winsys/r600/drm/radeon_bo.c
@@ -200,3 +200,22 @@ int radeon_bo_busy(struct radeon *radeon, struct radeon_bo *bo, uint32_t *domain
        *domain = args.domain;
        return ret;
 }
+
+int radeon_bo_get_tiling_flags(struct radeon *radeon,
+                              struct radeon_bo *bo,
+                              uint32_t *tiling_flags,
+                              uint32_t *pitch)
+{
+       struct drm_radeon_gem_get_tiling args;
+       int ret;
+       
+       args.handle = bo->handle;
+       ret = drmCommandWriteRead(radeon->fd, DRM_RADEON_GEM_GET_TILING,
+                                 &args, sizeof(args));
+       if (ret)
+               return ret;
+       
+       *tiling_flags = args.tiling_flags;
+       *pitch = args.pitch;
+       return ret;
+}