llvmpipe: Use comments and more code from softpipe's is_texture_referenced implementation.

This commit is contained in:
José Fonseca 2009-12-26 11:02:02 +00:00
parent 7a15642f41
commit d01c7bef29

View file

@ -140,6 +140,7 @@ llvmpipe_is_texture_referenced( struct pipe_context *pipe,
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
unsigned i;
/* check if any of the bound drawing surfaces are this texture */
if(llvmpipe->dirty_render_cache) {
for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
if(llvmpipe->framebuffer.cbufs[i] &&
@ -150,6 +151,13 @@ llvmpipe_is_texture_referenced( struct pipe_context *pipe,
llvmpipe->framebuffer.zsbuf->texture == texture)
return PIPE_REFERENCED_FOR_WRITE;
}
/* check if any of the tex_cache textures are this texture */
for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
if (llvmpipe->tex_cache[i] &&
llvmpipe->tex_cache[i]->texture == texture)
return PIPE_REFERENCED_FOR_READ;
}
for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) {
if (llvmpipe->vertex_tex_cache[i] &&
llvmpipe->vertex_tex_cache[i]->texture == texture)