gallium: add user_ptr in pipe_resource

I need to access the pointer in st/mesa when I only have pipe_resource.

src/gallium/drivers/i915/i915_resource_buffer.c

@@ -183,6 +183,7 @@ i915_user_buffer_create(struct pipe_screen *screen,
    buf->b.b.height0 = 1;
    buf->b.b.depth0 = 1;
    buf->b.b.array_size = 1;
+   buf->b.b.user_ptr = ptr;
 
    buf->data = ptr;
    buf->free_on_destroy = FALSE;

src/gallium/drivers/llvmpipe/lp_texture.c

@@ -770,6 +770,7 @@ llvmpipe_user_buffer_create(struct pipe_screen *screen,
    buffer->base.height0 = 1;
    buffer->base.depth0 = 1;
    buffer->base.array_size = 1;
+   buffer->base.user_ptr = ptr;
    buffer->userBuffer = TRUE;
    buffer->data = ptr;
 

src/gallium/drivers/noop/noop_pipe.c

@@ -156,6 +156,7 @@ static struct pipe_resource *noop_user_buffer_create(struct pipe_screen *screen,
 	templ.height0 = 1;
 	templ.depth0 = 1;
 	templ.flags = 0;
+	templ.user_ptr = ptr;
 	return noop_resource_create(screen, &templ);
 }
 

src/gallium/drivers/nouveau/nouveau_buffer.c

@@ -398,6 +398,7 @@ nouveau_user_buffer_create(struct pipe_screen *pscreen, void *ptr,
    buffer->base.width0 = bytes;
    buffer->base.height0 = 1;
    buffer->base.depth0 = 1;
+   buffer->base.user_ptr = ptr;
 
    buffer->data = ptr;
    buffer->status = NOUVEAU_BUFFER_STATUS_USER_MEMORY;

src/gallium/drivers/r300/r300_screen_buffer.c

@@ -193,6 +193,7 @@ struct pipe_resource *r300_buffer_create(struct pipe_screen *screen,
     rbuf->b.b.vtbl = &r300_buffer_vtbl;
     pipe_reference_init(&rbuf->b.b.b.reference, 1);
     rbuf->b.b.b.screen = screen;
+    rbuf->b.b.b.user_ptr = NULL;
     rbuf->b.user_ptr = NULL;
     rbuf->domain = RADEON_DOMAIN_GTT;
     rbuf->buf = NULL;
@@ -239,6 +240,7 @@ struct pipe_resource *r300_user_buffer_create(struct pipe_screen *screen,
     rbuf->b.b.b.depth0 = 1;
     rbuf->b.b.b.array_size = 1;
     rbuf->b.b.b.flags = 0;
+    rbuf->b.b.b.user_ptr = ptr;
     rbuf->b.b.vtbl = &r300_buffer_vtbl;
     rbuf->b.user_ptr = ptr;
     rbuf->domain = RADEON_DOMAIN_GTT;

src/gallium/drivers/r600/r600_buffer.c

@@ -222,6 +222,7 @@ struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 	rbuffer->b.b.b = *templ;
 	pipe_reference_init(&rbuffer->b.b.b.reference, 1);
 	rbuffer->b.b.b.screen = screen;
+	rbuffer->b.b.b.user_ptr = NULL;
 	rbuffer->b.b.vtbl = &r600_buffer_vtbl;
 	rbuffer->b.user_ptr = NULL;
 
@@ -253,6 +254,7 @@ struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 	rbuffer->b.b.b.depth0 = 1;
 	rbuffer->b.b.b.array_size = 1;
 	rbuffer->b.b.b.flags = 0;
+	rbuffer->b.b.b.user_ptr = ptr;
 	rbuffer->b.user_ptr = ptr;
 	rbuffer->buf = NULL;
 	return &rbuffer->b.b.b;

src/gallium/drivers/radeonsi/r600_buffer.c

@@ -232,6 +232,7 @@ struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 	rbuffer->b.b.b.depth0 = 1;
 	rbuffer->b.b.b.array_size = 1;
 	rbuffer->b.b.b.flags = 0;
+	rbuffer->b.b.b.user_ptr = ptr;
 	rbuffer->b.user_ptr = ptr;
 	rbuffer->buf = NULL;
 	return &rbuffer->b.b.b;

src/gallium/drivers/softpipe/sp_texture.c

@@ -476,6 +476,7 @@ softpipe_user_buffer_create(struct pipe_screen *screen,
    spr->base.height0 = 1;
    spr->base.depth0 = 1;
    spr->base.array_size = 1;
+   spr->base.user_ptr = ptr;
    spr->userBuffer = TRUE;
    spr->data = ptr;
 

src/gallium/drivers/svga/svga_resource_buffer.c

@@ -394,6 +394,7 @@ svga_user_buffer_create(struct pipe_screen *screen,
    sbuf->b.b.height0 = 1;
    sbuf->b.b.depth0 = 1;
    sbuf->b.b.array_size = 1;
+   sbuf->b.b.user_ptr = ptr;
 
    sbuf->swbuf = ptr;
    sbuf->user = TRUE;

src/gallium/include/pipe/p_state.h

@@ -415,6 +415,9 @@ struct pipe_resource
 
    unsigned bind;            /**< bitmask of PIPE_BIND_x */
    unsigned flags;           /**< bitmask of PIPE_RESOURCE_FLAG_x */
+
+   /* XXX this is only temporary and will be removed once it's not needed */
+   uint8_t *user_ptr;        /**< user buffer pointer */
 };