Mesa (master): dri: Remove image write function

[Jakob Bornecrantz]

Module: Mesa
Branch: master
Commit: 6bb71b8cbe6b17a5d59e369631502e642804406e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6bb71b8cbe6b17a5d59e369631502e642804406e

Author: Jakob Bornecrantz <jakob at vmware.com>
Date:   Wed Aug 15 11:37:18 2012 +0200

dri: Remove image write function

Since its not used by anything anymore and no release has gone out
where it was being used.

Tested-by: Scott Moreau <oreaus at gmail.com>
Signed-off-by: Jakob Bornecrantz <jakob at vmware.com>

---

 include/GL/internal/dri_interface.h        |   10 +---------
 src/gbm/backends/dri/gbm_dri.c             |    2 --
 src/mesa/drivers/dri/intel/intel_regions.h |    1 -
 src/mesa/drivers/dri/intel/intel_screen.c  |   28 ----------------------------
 4 files changed, 1 insertions(+), 40 deletions(-)

diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 97e1a1a..e766226 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -935,8 +935,7 @@ struct __DRIdri2ExtensionRec {
 
 #define __DRI_IMAGE_USE_SHARE		0x0001
 #define __DRI_IMAGE_USE_SCANOUT		0x0002
-#define __DRI_IMAGE_USE_CURSOR		0x0004
-#define __DRI_IMAGE_USE_WRITE		0x0008
+#define __DRI_IMAGE_USE_CURSOR		0x0004 /* Depricated */
 
 /**
  * queryImage attributes
@@ -985,13 +984,6 @@ struct __DRIimageExtensionRec {
    GLboolean (*validateUsage)(__DRIimage *image, unsigned int use);
 
    /**
-    * Write data into image.
-    *
-    * \since 4
-    */
-   int (*write)(__DRIimage *image, const void *buf, size_t count);
-
-   /**
     * Create an image out of a sub-region of a parent image.  This
     * entry point lets us create individual __DRIimages for different
     * planes in a planar buffer (typically yuv), for example.  While a
diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index 47874ae..59a3d81 100644
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -515,8 +515,6 @@ gbm_dri_bo_create(struct gbm_device *gbm,
       dri_use |= __DRI_IMAGE_USE_SCANOUT;
    if (usage & GBM_BO_USE_CURSOR_64X64)
       dri_use |= __DRI_IMAGE_USE_CURSOR;
-   if (usage & GBM_BO_USE_WRITE)
-      dri_use |= __DRI_IMAGE_USE_WRITE;
 
    /* Gallium drivers requires shared in order to get the handle/stride */
    dri_use |= __DRI_IMAGE_USE_SHARE;
diff --git a/src/mesa/drivers/dri/intel/intel_regions.h b/src/mesa/drivers/dri/intel/intel_regions.h
index 782d669..4ff0efe 100644
--- a/src/mesa/drivers/dri/intel/intel_regions.h
+++ b/src/mesa/drivers/dri/intel/intel_regions.h
@@ -144,7 +144,6 @@ intel_region_get_aligned_offset(struct intel_region *region, uint32_t x,
 struct __DRIimageRec {
    struct intel_region *region;
    GLenum internal_format;
-   uint32_t usage;
    uint32_t dri_format;
    GLuint format;
    uint32_t offset;
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index f4c1602..103fcd2 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -339,13 +339,7 @@ intel_create_image(__DRIscreen *screen,
       tiling = I915_TILING_NONE;
    }
 
-   /* We only support write for cursor drm images */
-   if ((use & __DRI_IMAGE_USE_WRITE) &&
-       use != (__DRI_IMAGE_USE_WRITE | __DRI_IMAGE_USE_CURSOR))
-      return NULL;
-
    image = intel_allocate_image(format, loaderPrivate);
-   image->usage = use;
    cpp = _mesa_get_format_bytes(image->format);
    image->region =
       intel_region_alloc(intelScreen, tiling, cpp, width, height, true);
@@ -399,7 +393,6 @@ intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
    }
 
    image->internal_format = orig_image->internal_format;
-   image->usage           = orig_image->usage;
    image->dri_format      = orig_image->dri_format;
    image->format          = orig_image->format;
    image->offset          = orig_image->offset;
@@ -416,29 +409,9 @@ intel_validate_usage(__DRIimage *image, unsigned int use)
 	 return GL_FALSE;
    }
 
-   /* We only support write for cursor drm images */
-   if ((use & __DRI_IMAGE_USE_WRITE) &&
-       use != (__DRI_IMAGE_USE_WRITE | __DRI_IMAGE_USE_CURSOR))
-      return GL_FALSE;
-
    return GL_TRUE;
 }
 
-static int
-intel_image_write(__DRIimage *image, const void *buf, size_t count)
-{
-   if (image->region->map_refcount)
-      return -1;
-   if (!(image->usage & __DRI_IMAGE_USE_WRITE))
-      return -1;
-
-   drm_intel_bo_map(image->region->bo, true);
-   memcpy(image->region->bo->virtual, buf, count);
-   drm_intel_bo_unmap(image->region->bo);
-
-   return 0;
-}
-
 static __DRIimage *
 intel_create_sub_image(__DRIimage *parent,
                        int width, int height, int dri_format,
@@ -490,7 +463,6 @@ static struct __DRIimageExtensionRec intelImageExtension = {
     intel_query_image,
     intel_dup_image,
     intel_validate_usage,
-    intel_image_write,
     intel_create_sub_image
 };