[Mesa-dev] [PATCH 05/10] st/dri: implement __DRI_IMAGE_TRANSFER_MAP_USER_STRIDE
Marek Olšák
maraeo at gmail.com
Wed Apr 25 21:16:26 UTC 2018
From: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
src/gallium/state_trackers/dri/dri2.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/src/gallium/state_trackers/dri/dri2.c b/src/gallium/state_trackers/dri/dri2.c
index 58a6757f037..b9c09fbabd0 100644
--- a/src/gallium/state_trackers/dri/dri2.c
+++ b/src/gallium/state_trackers/dri/dri2.c
@@ -1627,32 +1627,38 @@ dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src,
static void *
dri2_map_image(__DRIcontext *context, __DRIimage *image,
int x0, int y0, int width, int height,
unsigned int flags, int *stride, void **data)
{
struct dri_context *ctx = dri_context(context);
struct pipe_context *pipe = ctx->st->pipe;
enum pipe_transfer_usage pipe_access = 0;
struct pipe_transfer *trans;
+ struct pipe_box box;
+ unsigned user_stride = 0;
void *map;
if (!image || !data || *data)
return NULL;
if (flags & __DRI_IMAGE_TRANSFER_READ)
- pipe_access |= PIPE_TRANSFER_READ;
+ pipe_access |= PIPE_TRANSFER_READ;
if (flags & __DRI_IMAGE_TRANSFER_WRITE)
- pipe_access |= PIPE_TRANSFER_WRITE;
+ pipe_access |= PIPE_TRANSFER_WRITE;
+ if (flags & __DRI_IMAGE_TRANSFER_USER_STRIDE)
+ user_stride = *stride;
- map = pipe_transfer_map(pipe, image->texture,
- 0, 0, pipe_access, x0, y0, width, height,
+ u_box_2d(x0, y0, width, height, &box);
+
+ map = pipe->transfer_map(pipe, image->texture,
+ 0, pipe_access, &box, user_stride,
&trans);
if (map) {
*data = trans;
*stride = trans->stride;
}
return map;
}
static void
@@ -1661,27 +1667,26 @@ dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data)
struct dri_context *ctx = dri_context(context);
struct pipe_context *pipe = ctx->st->pipe;
pipe_transfer_unmap(pipe, (struct pipe_transfer *)data);
}
static int
dri2_get_capabilities(__DRIscreen *_screen)
{
struct dri_screen *screen = dri_screen(_screen);
-
return (screen->can_share_buffer ? __DRI_IMAGE_CAP_GLOBAL_NAMES : 0);
}
/* The extension is modified during runtime if DRI_PRIME is detected */
static __DRIimageExtension dri2ImageExtension = {
- .base = { __DRI_IMAGE, 17 },
+ .base = { __DRI_IMAGE, 18 },
.createImageFromName = dri2_create_image_from_name,
.createImageFromRenderbuffer = dri2_create_image_from_renderbuffer,
.destroyImage = dri2_destroy_image,
.createImage = dri2_create_image,
.queryImage = dri2_query_image,
.dupImage = dri2_dup_image,
.validateUsage = dri2_validate_usage,
.createImageFromNames = dri2_from_names,
.fromPlanar = dri2_from_planar,
--
2.17.0
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