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python: Use transfer objects to initialise texture data.

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michal
2009-03-16 06:44:16 +01:00
committed by Michal Krol
parent f6c3edb308
commit 38b074495a
1 changed files with 12 additions and 8 deletions
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20
src/gallium/state_trackers/python/st_device.c
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@@ -231,7 +231,7 @@ st_context_create(struct st_device *st_dev)
{
struct pipe_screen *screen = st_dev->screen;
struct pipe_texture templat;
struct pipe_surface *surface;
struct pipe_transfer *transfer;
unsigned i;
memset( &templat, 0, sizeof( templat ) );
@@ -247,17 +247,21 @@ st_context_create(struct st_device *st_dev)
st_ctx->default_texture = screen->texture_create( screen, &templat );
if(st_ctx->default_texture) {
surface = screen->get_tex_surface( screen,
st_ctx->default_texture, 0, 0, 0,
PIPE_BUFFER_USAGE_CPU_WRITE );
if(surface) {
transfer = screen->get_tex_transfer(screen,
st_ctx->default_texture,
0, 0, 0,
PIPE_TRANSFER_WRITE,
0, 0,
st_ctx->default_texture->width[0],
st_ctx->default_texture->height[0]);
if (transfer) {
uint32_t *map;
map = (uint32_t *) pipe_surface_map(surface, PIPE_BUFFER_USAGE_CPU_WRITE );
map = (uint32_t *) screen->transfer_map(screen, transfer);
if(map) {
*map = 0x00000000;
pipe_surface_unmap( surface );
screen->transfer_unmap(screen, transfer);
}
pipe_surface_reference(&surface, NULL);
screen->tex_transfer_destroy(transfer);
}
}