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path: root/src/gallium/drivers/llvmpipe/lp_texture.c
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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_texture.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c104
1 files changed, 42 insertions, 62 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 841df004d14..b4ea94ca1ae 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -622,16 +622,23 @@ llvmpipe_surface_destroy(struct pipe_context *pipe,
}
-static struct pipe_transfer *
-llvmpipe_get_transfer(struct pipe_context *pipe,
- struct pipe_resource *resource,
- unsigned level,
- unsigned usage,
- const struct pipe_box *box)
+static void *
+llvmpipe_transfer_map( struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ struct pipe_transfer **transfer )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
- struct llvmpipe_resource *lprex = llvmpipe_resource(resource);
- struct llvmpipe_transfer *lpr;
+ struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
+ struct llvmpipe_resource *lpr = llvmpipe_resource(resource);
+ struct llvmpipe_transfer *lpt;
+ struct pipe_transfer *pt;
+ ubyte *map;
+ enum pipe_format format;
+ enum lp_texture_usage tex_usage;
+ const char *mode;
assert(resource);
assert(level <= resource->last_level);
@@ -661,48 +668,19 @@ llvmpipe_get_transfer(struct pipe_context *pipe,
if (resource == llvmpipe->constants[PIPE_SHADER_FRAGMENT][0])
llvmpipe->dirty |= LP_NEW_CONSTANTS;
- lpr = CALLOC_STRUCT(llvmpipe_transfer);
- if (lpr) {
- struct pipe_transfer *pt = &lpr->base;
- pipe_resource_reference(&pt->resource, resource);
- pt->box = *box;
- pt->level = level;
- pt->stride = lprex->row_stride[level];
- pt->layer_stride = lprex->img_stride[level];
- pt->usage = usage;
-
- return pt;
- }
- return NULL;
-}
-
-
-static void
-llvmpipe_transfer_destroy(struct pipe_context *pipe,
- struct pipe_transfer *transfer)
-{
- /* Effectively do the texture_update work here - if texture images
- * needed post-processing to put them into hardware layout, this is
- * where it would happen. For llvmpipe, nothing to do.
- */
- assert (transfer->resource);
- pipe_resource_reference(&transfer->resource, NULL);
- FREE(transfer);
-}
-
-
-static void *
-llvmpipe_transfer_map( struct pipe_context *pipe,
- struct pipe_transfer *transfer )
-{
- struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
- ubyte *map;
- struct llvmpipe_resource *lpr;
- enum pipe_format format;
- enum lp_texture_usage tex_usage;
- const char *mode;
+ lpt = CALLOC_STRUCT(llvmpipe_transfer);
+ if (!lpt)
+ return NULL;
+ pt = &lpt->base;
+ pipe_resource_reference(&pt->resource, resource);
+ pt->box = *box;
+ pt->level = level;
+ pt->stride = lpr->row_stride[level];
+ pt->layer_stride = lpr->img_stride[level];
+ pt->usage = usage;
+ *transfer = pt;
- assert(transfer->level < LP_MAX_TEXTURE_LEVELS);
+ assert(level < LP_MAX_TEXTURE_LEVELS);
/*
printf("tex_transfer_map(%d, %d %d x %d of %d x %d, usage %d )\n",
@@ -712,7 +690,7 @@ llvmpipe_transfer_map( struct pipe_context *pipe,
transfer->usage);
*/
- if (transfer->usage == PIPE_TRANSFER_READ) {
+ if (usage == PIPE_TRANSFER_READ) {
tex_usage = LP_TEX_USAGE_READ;
mode = "read";
}
@@ -722,33 +700,29 @@ llvmpipe_transfer_map( struct pipe_context *pipe,
}
if (0) {
- struct llvmpipe_resource *lpr = llvmpipe_resource(transfer->resource);
printf("transfer map tex %u mode %s\n", lpr->id, mode);
}
-
- assert(transfer->resource);
- lpr = llvmpipe_resource(transfer->resource);
format = lpr->base.format;
- map = llvmpipe_resource_map(transfer->resource,
- transfer->level,
- transfer->box.z,
+ map = llvmpipe_resource_map(resource,
+ level,
+ box->z,
tex_usage, LP_TEX_LAYOUT_LINEAR);
/* May want to do different things here depending on read/write nature
* of the map:
*/
- if (transfer->usage & PIPE_TRANSFER_WRITE) {
+ if (usage & PIPE_TRANSFER_WRITE) {
/* Do something to notify sharing contexts of a texture change.
*/
screen->timestamp++;
}
map +=
- transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
- transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
+ box->y / util_format_get_blockheight(format) * pt->stride +
+ box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
return map;
}
@@ -763,6 +737,14 @@ llvmpipe_transfer_unmap(struct pipe_context *pipe,
llvmpipe_resource_unmap(transfer->resource,
transfer->level,
transfer->box.z);
+
+ /* Effectively do the texture_update work here - if texture images
+ * needed post-processing to put them into hardware layout, this is
+ * where it would happen. For llvmpipe, nothing to do.
+ */
+ assert (transfer->resource);
+ pipe_resource_reference(&transfer->resource, NULL);
+ FREE(transfer);
}
unsigned int
@@ -1474,8 +1456,6 @@ llvmpipe_init_screen_resource_funcs(struct pipe_screen *screen)
void
llvmpipe_init_context_resource_funcs(struct pipe_context *pipe)
{
- pipe->get_transfer = llvmpipe_get_transfer;
- pipe->transfer_destroy = llvmpipe_transfer_destroy;
pipe->transfer_map = llvmpipe_transfer_map;
pipe->transfer_unmap = llvmpipe_transfer_unmap;