From: Christian König <christian.koenig@amd.com>
Date: Thu, 14 Jan 2016 14:01:39 +0000 (+0100)
Subject: radeon/winsys: add layer support for BO export
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5aea0d691;p=mesa.git

radeon/winsys: add layer support for BO export

Add layer support to export individual array layers.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
---

diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index 15818aaae6f..1ad70765781 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -374,6 +374,7 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
 	return rscreen->ws->buffer_get_handle(res->buf,
 					      rtex->surface.level[0].pitch_bytes,
 					      rtex->surface.level[0].offset,
+					      rtex->surface.level[0].slice_size,
 					      whandle);
 }
 
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h
index fb3f051be2b..daa15db2812 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -547,6 +547,7 @@ struct radeon_winsys {
      */
     boolean (*buffer_get_handle)(struct pb_buffer *buf,
                                  unsigned stride, unsigned offset,
+                                 unsigned slice_size,
                                  struct winsys_handle *whandle);
 
     /**
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
index 3f74dd7da5e..c79bed45753 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
@@ -613,6 +613,7 @@ error:
 
 static boolean amdgpu_bo_get_handle(struct pb_buffer *buffer,
                                     unsigned stride, unsigned offset,
+                                    unsigned slice_size,
                                     struct winsys_handle *whandle)
 {
    struct amdgpu_winsys_bo *bo = amdgpu_winsys_bo(buffer);
@@ -641,6 +642,7 @@ static boolean amdgpu_bo_get_handle(struct pb_buffer *buffer,
 
    whandle->stride = stride;
    whandle->offset = offset;
+   whandle->offset += slice_size * whandle->layer;
    bo->is_shared = true;
    return TRUE;
 }
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 3f39827b307..08856dff430 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -995,6 +995,7 @@ fail:
 
 static boolean radeon_winsys_bo_get_handle(struct pb_buffer *buffer,
                                            unsigned stride, unsigned offset,
+                                           unsigned slice_size,
                                            struct winsys_handle *whandle)
 {
     struct drm_gem_flink flink;
@@ -1029,6 +1030,8 @@ static boolean radeon_winsys_bo_get_handle(struct pb_buffer *buffer,
 
     whandle->stride = stride;
     whandle->offset = offset;
+    whandle->offset += slice_size * whandle->layer;
+
     return TRUE;
 }