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r300g: implement simple transfer_inline_write for buffers

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r600g might need something like that as well. This speeds up constant buffer
upload a bit.
This commit is contained in:
Marek Olšák
2010-12-03 05:44:47 +01:00
parent 3ba8843307
commit 6a46fce14f
1 changed files with 38 additions and 10 deletions
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src/gallium/drivers/r300/r300_screen_buffer.c
+38 -10
View File
@@ -140,11 +140,11 @@ static void r300_buffer_destroy(struct pipe_screen *screen,
}
static struct pipe_transfer*
r300_default_get_transfer(struct pipe_context *context,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box)
r300_buffer_get_transfer(struct pipe_context *context,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box)
{
struct r300_context *r300 = r300_context(context);
struct pipe_transfer *transfer =
@@ -164,8 +164,8 @@ r300_default_get_transfer(struct pipe_context *context,
return transfer;
}
static void r300_default_transfer_destroy(struct pipe_context *pipe,
struct pipe_transfer *transfer)
static void r300_buffer_transfer_destroy(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct r300_context *r300 = r300_context(pipe);
util_slab_free(&r300->pool_transfers, transfer);
@@ -268,17 +268,45 @@ static void r300_buffer_transfer_unmap( struct pipe_context *pipe,
}
}
static void r300_buffer_transfer_inline_write(struct pipe_context *pipe,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
const void *data,
unsigned stride,
unsigned layer_stride)
{
struct r300_buffer *rbuf = r300_buffer(resource);
struct pipe_transfer *transfer = NULL;
uint8_t *map = NULL;
if (rbuf->constant_buffer) {
memcpy(rbuf->constant_buffer + box->x, data, box->width);
return;
}
transfer = r300_buffer_get_transfer(pipe, resource, 0,
PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD, box);
map = r300_buffer_transfer_map(pipe, transfer);
memcpy(map, data, box->width);
r300_buffer_transfer_unmap(pipe, transfer);
r300_buffer_transfer_destroy(pipe, transfer);
}
struct u_resource_vtbl r300_buffer_vtbl =
{
u_default_resource_get_handle, /* get_handle */
r300_buffer_destroy, /* resource_destroy */
r300_buffer_is_referenced_by_cs, /* is_buffer_referenced */
r300_default_get_transfer, /* get_transfer */
r300_default_transfer_destroy, /* transfer_destroy */
r300_buffer_get_transfer, /* get_transfer */
r300_buffer_transfer_destroy, /* transfer_destroy */
r300_buffer_transfer_map, /* transfer_map */
r300_buffer_transfer_flush_region, /* transfer_flush_region */
r300_buffer_transfer_unmap, /* transfer_unmap */
u_default_transfer_inline_write /* transfer_inline_write */
r300_buffer_transfer_inline_write /* transfer_inline_write */
};
struct pipe_resource *r300_buffer_create(struct pipe_screen *screen,