diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_screen_buffer.c | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/src/gallium/drivers/r300/r300_screen_buffer.c b/src/gallium/drivers/r300/r300_screen_buffer.c index 9b1ee9e068a..bbb91d1cd55 100644 --- a/src/gallium/drivers/r300/r300_screen_buffer.c +++ b/src/gallium/drivers/r300/r300_screen_buffer.c @@ -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, |