[Mesa-dev] [PATCH 6/7] intel: image: handle plane id and offset attributes.

[Gwenole Beauchesne]

---
 src/mesa/drivers/dri/i965/brw_wm_surface_state.c  |    1 +
 src/mesa/drivers/dri/i965/gen7_wm_surface_state.c |    1 +
 src/mesa/drivers/dri/intel/intel_regions.c        |    7 +++++--
 src/mesa/drivers/dri/intel/intel_regions.h        |    5 +++++
 src/mesa/drivers/dri/intel/intel_screen.c         |    6 ++++++
 5 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c 
b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 0a6de2b..cf8210a 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -679,6 +679,7 @@ brw_update_texture_surface( struct gl_context *ctx, GLuint 
unit )
               BRW_SURFACE_FORMAT_SHIFT));
 
    surf[1] = intelObj->mt->region->bo->offset; /* reloc */
+   surf[1] += intelObj->mt->region->offset;
 
    surf[2] = ((intelObj->_MaxLevel - tObj->BaseLevel) << BRW_SURFACE_LOD_SHIFT 
|
              (width - 1) << BRW_SURFACE_WIDTH_SHIFT |
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c 
b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index c567fb0..dd01feb 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -176,6 +176,7 @@ gen7_update_texture_surface(struct gl_context *ctx, GLuint 
unit)
     */
 
    surf->ss1.base_addr = intelObj->mt->region->bo->offset; /* reloc */
+   surf->ss1.base_addr += intelObj->mt->region->offset;
 
    surf->ss2.width = width - 1;
    surf->ss2.height = height - 1;
diff --git a/src/mesa/drivers/dri/intel/intel_regions.c 
b/src/mesa/drivers/dri/intel/intel_regions.c
index 218be30..b4607a5 100644
--- a/src/mesa/drivers/dri/intel/intel_regions.c
+++ b/src/mesa/drivers/dri/intel/intel_regions.c
@@ -257,7 +257,8 @@ intel_region_alloc_internal(struct intel_screen *screen,
    if (region == NULL)
       return region;
 
-   region->plane_id = 0;
+   region->plane_id = attrs->plane_id;
+   region->offset = attrs->offset;
    region->structure = attrs->structure;
    region->cpp = attrs->cpp;
    region->width = attrs->width;
@@ -293,6 +294,8 @@ intel_region_alloc(struct intel_screen *screen,
    if (buffer == NULL)
       return NULL;
 
+   attrs.plane_id  = 0;
+   attrs.offset    = 0;
    attrs.structure = __DRI_IMAGE_STRUCTURE_FRAME;
    attrs.cpp       = cpp;
    attrs.width     = width;
@@ -345,7 +348,7 @@ intel_region_alloc_for_handle2(struct intel_screen *screen,
    int ret;
    uint32_t bit_6_swizzle, tiling;
 
-   region = intel_region_hash_lookup(screen->named_regions, handle, 0);
+   region = intel_region_hash_lookup(screen->named_regions, handle, 
attrs->plane_id);
    if (region != NULL) {
       dummy = NULL;
       if (!intel_region_validate_attributes(region, attrs)) {
diff --git a/src/mesa/drivers/dri/intel/intel_regions.h 
b/src/mesa/drivers/dri/intel/intel_regions.h
index 052ee0b..9dcb901 100644
--- a/src/mesa/drivers/dri/intel/intel_regions.h
+++ b/src/mesa/drivers/dri/intel/intel_regions.h
@@ -56,6 +56,7 @@ struct intel_buffer_object;
 struct intel_region
 {
    drm_intel_bo *bo;  /**< buffer manager's buffer */
+   uint32_t offset; /**< Offset (in bytes) to the base bo */
    GLuint refcount; /**< Reference count for region */
    GLuint plane_id; /**< Plane id out of 3 (range: 0..2) */
    GLuint cpp;      /**< bytes per pixel */
@@ -77,6 +78,8 @@ struct intel_region
  * See. intel_region_alloc_for_handle().
  */
 struct intel_region_attributes {
+   GLuint plane_id;     /**< plane id */
+   uint32_t offset;     /**< Offset (in bytes) to the base bo */
    GLuint structure;    /**< picture structure. See __DRI_IMAGE_STRUCTURE_xxx 
*/
    GLuint cpp;          /**< bytes per pixel */
    GLuint width;        /**< in pixels */
@@ -108,6 +111,8 @@ intel_region_alloc_for_handle(struct intel_screen *screen,
 {
     struct intel_region_attributes attrs;
 
+    attrs.plane_id  = 0;
+    attrs.offset    = 0;
     attrs.structure = __DRI_IMAGE_STRUCTURE_FRAME;
     attrs.cpp       = cpp;
     attrs.width     = width;
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c 
b/src/mesa/drivers/dri/intel/intel_screen.c
index 84e4e41..a5ac80c 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -239,6 +239,8 @@ intel_create_image_from_name2(__DRIscreen *screen,
     image->data = loaderPrivate;
     cpp = _mesa_get_format_bytes(image->format);
 
+    region_attrs.plane_id  = attrs->plane_id;
+    region_attrs.offset    = offset;
     region_attrs.structure = attrs->structure;
     region_attrs.cpp       = cpp;
     region_attrs.width     = attrs->width;
@@ -387,6 +389,10 @@ intel_query_image(__DRIimage *image, int attrib, int 
*value)
       return image->dri_format;
    case __DRI_IMAGE_ATTRIB_STRUCTURE:
       return image->region->structure;
+   case __DRI_IMAGE_ATTRIB_OFFSET:
+      return image->region->offset;
+   case __DRI_IMAGE_ATTRIB_PLANE_ID:
+      return image->region->plane_id;
    default:
       return false;
    }
-- 
1.7.5.4

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