struct pipe_resource *buffer; /* Upload buffer. */
struct pipe_transfer *transfer; /* Transfer object for the upload buffer. */
uint8_t *map; /* Pointer to the mapped upload buffer. */
- unsigned size; /* Actual size of the upload buffer. */
unsigned offset; /* Aligned offset to the upload buffer, pointing
* at the first unused byte. */
};
/* Unmap and unreference the upload buffer. */
upload_unmap_internal(upload, TRUE);
pipe_resource_reference( &upload->buffer, NULL );
- upload->size = 0;
}
}
-static enum pipe_error
-u_upload_alloc_buffer( struct u_upload_mgr *upload,
- unsigned min_size )
+static void
+u_upload_alloc_buffer(struct u_upload_mgr *upload,
+ unsigned min_size)
{
struct pipe_screen *screen = upload->pipe->screen;
struct pipe_resource buffer;
}
upload->buffer = screen->resource_create(screen, &buffer);
- if (upload->buffer == NULL) {
- return PIPE_ERROR_OUT_OF_MEMORY;
- }
+ if (upload->buffer == NULL)
+ return;
/* Map the new buffer. */
upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
&upload->transfer);
if (upload->map == NULL) {
upload->transfer = NULL;
- upload->size = 0;
pipe_resource_reference(&upload->buffer, NULL);
- return PIPE_ERROR_OUT_OF_MEMORY;
+ return;
}
- upload->size = size;
upload->offset = 0;
- return PIPE_OK;
}
-enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
- unsigned min_out_offset,
- unsigned size,
- unsigned *out_offset,
- struct pipe_resource **outbuf,
- void **ptr )
+void
+u_upload_alloc(struct u_upload_mgr *upload,
+ unsigned min_out_offset,
+ unsigned size,
+ unsigned *out_offset,
+ struct pipe_resource **outbuf,
+ void **ptr)
{
- unsigned alloc_size = align( size, upload->alignment );
+ unsigned alloc_size = align(size, upload->alignment);
unsigned alloc_offset = align(min_out_offset, upload->alignment);
+ unsigned buffer_size = upload->buffer ? upload->buffer->width0 : 0;
unsigned offset;
- /* Init these return values here in case we fail below to make
- * sure the caller doesn't get garbage values.
- */
- *out_offset = ~0;
- pipe_resource_reference(outbuf, NULL);
- *ptr = NULL;
-
/* Make sure we have enough space in the upload buffer
* for the sub-allocation. */
- if (MAX2(upload->offset, alloc_offset) + alloc_size > upload->size) {
- enum pipe_error ret = u_upload_alloc_buffer(upload,
- alloc_offset + alloc_size);
- if (ret != PIPE_OK)
- return ret;
+ if (unlikely(MAX2(upload->offset, alloc_offset) + alloc_size > buffer_size)) {
+ u_upload_alloc_buffer(upload, alloc_offset + alloc_size);
+
+ if (unlikely(!upload->buffer)) {
+ *out_offset = ~0;
+ pipe_resource_reference(outbuf, NULL);
+ *ptr = NULL;
+ return;
+ }
+
+ buffer_size = upload->buffer->width0;
}
offset = MAX2(upload->offset, alloc_offset);
- if (!upload->map) {
+ if (unlikely(!upload->map)) {
upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
- offset, upload->size - offset,
+ offset,
+ buffer_size - offset,
upload->map_flags,
&upload->transfer);
- if (!upload->map) {
+ if (unlikely(!upload->map)) {
upload->transfer = NULL;
- return PIPE_ERROR_OUT_OF_MEMORY;
+ *out_offset = ~0;
+ pipe_resource_reference(outbuf, NULL);
+ *ptr = NULL;
+ return;
}
upload->map -= offset;
/* Emit the return values: */
*ptr = upload->map + offset;
- pipe_resource_reference( outbuf, upload->buffer );
+ pipe_resource_reference(outbuf, upload->buffer);
*out_offset = offset;
upload->offset = offset + alloc_size;
- return PIPE_OK;
}
enum pipe_error u_upload_data( struct u_upload_mgr *upload,
struct pipe_resource **outbuf)
{
uint8_t *ptr;
- enum pipe_error ret = u_upload_alloc(upload, min_out_offset, size,
- out_offset, outbuf,
- (void**)&ptr);
- if (ret != PIPE_OK)
- return ret;
+
+ u_upload_alloc(upload, min_out_offset, size,
+ out_offset, outbuf,
+ (void**)&ptr);
+ if (!outbuf)
+ return PIPE_ERROR_OUT_OF_MEMORY;
memcpy(ptr, data, size);
return PIPE_OK;
}
-
-/* As above, but upload the full contents of a buffer. Useful for
- * uploading user buffers, avoids generating an explosion of GPU
- * buffers if you have an app that does lots of small vertex buffer
- * renders or DrawElements calls.
- */
-enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
- unsigned min_out_offset,
- unsigned offset,
- unsigned size,
- struct pipe_resource *inbuf,
- unsigned *out_offset,
- struct pipe_resource **outbuf)
+/* XXX: Remove. It's basically a CPU fallback of resource_copy_region. */
+void u_upload_buffer(struct u_upload_mgr *upload,
+ unsigned min_out_offset,
+ unsigned offset,
+ unsigned size,
+ struct pipe_resource *inbuf,
+ unsigned *out_offset,
+ struct pipe_resource **outbuf)
{
- enum pipe_error ret = PIPE_OK;
struct pipe_transfer *transfer = NULL;
const char *map = NULL;
&transfer);
if (map == NULL) {
- return PIPE_ERROR_OUT_OF_MEMORY;
+ pipe_resource_reference(outbuf, NULL);
+ return;
}
if (0)
debug_printf("upload ptr %p ofs %d sz %d\n", map, offset, size);
- ret = u_upload_data( upload,
- min_out_offset,
- size,
- map,
- out_offset,
- outbuf);
-
+ u_upload_data(upload, min_out_offset, size, map, out_offset, outbuf);
pipe_buffer_unmap( upload->pipe, transfer );
-
- return ret;
}
projects / mesa.git / blobdiff