static void
llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
struct llvmpipe_query *pq = llvmpipe_query(q);
/* Check if the query is already in the scene. If so, we need to
* flush the scene now. Real apps shouldn't re-use a query in a
* frame of rendering.
*/
if (pq->fence && !lp_fence_issued(pq->fence)) {
llvmpipe_finish(pipe, __FUNCTION__);
}
memset(pq->count, 0, sizeof(pq->count));
lp_setup_begin_query(llvmpipe->setup, pq);
if (pq->type == PIPE_QUERY_PRIMITIVES_EMITTED) {
pq->num_primitives_written = 0;
llvmpipe->so_stats.num_primitives_written = 0;
}
if (pq->type == PIPE_QUERY_PRIMITIVES_GENERATED) {
pq->num_primitives_generated = 0;
llvmpipe->num_primitives_generated = 0;
}
if (pq->type == PIPE_QUERY_OCCLUSION_COUNTER) {
llvmpipe->active_occlusion_query = TRUE;
llvmpipe->dirty |= LP_NEW_OCCLUSION_QUERY;
}
}
/**
* Flush context if necessary.
*
* Returns FALSE if it would have block, but do_not_block was set, TRUE
* otherwise.
*
* TODO: move this logic to an auxiliary library?
*/
boolean
llvmpipe_flush_resource(struct pipe_context *pipe,
struct pipe_resource *resource,
unsigned level,
boolean read_only,
boolean cpu_access,
boolean do_not_block,
const char *reason)
{
unsigned referenced;
referenced = llvmpipe_is_resource_referenced(pipe, resource, level);
if ((referenced & LP_REFERENCED_FOR_WRITE) ||
((referenced & LP_REFERENCED_FOR_READ) && !read_only)) {
if (cpu_access) {
/*
* Flush and wait.
*/
if (do_not_block)
return FALSE;
llvmpipe_finish(pipe, reason);
} else {
/*
* Just flush.
*/
llvmpipe_flush(pipe, NULL, reason);
}
}
return TRUE;
}
/**
* Update fragment state. This is called just prior to drawing
* something when some fragment-related state has changed.
*/
void
llvmpipe_update_fs(struct llvmpipe_context *lp)
{
struct lp_fragment_shader *shader = lp->fs;
struct lp_fragment_shader_variant_key key;
struct lp_fragment_shader_variant *variant = NULL;
struct lp_fs_variant_list_item *li;
make_variant_key(lp, shader, &key);
li = first_elem(&shader->variants);
while(!at_end(&shader->variants, li)) {
if(memcmp(&li->base->key, &key, shader->variant_key_size) == 0) {
variant = li->base;
break;
}
li = next_elem(li);
}
if (variant) {
move_to_head(&lp->fs_variants_list, &variant->list_item_global);
}
else {
int64_t t0, t1;
int64_t dt;
unsigned i;
if (lp->nr_fs_variants >= LP_MAX_SHADER_VARIANTS) {
struct pipe_context *pipe = &lp->pipe;
/*
* XXX: we need to flush the context until we have some sort of reference
* counting in fragment shaders as they may still be binned
* Flushing alone might not be sufficient we need to wait on it too.
*/
llvmpipe_finish(pipe, __FUNCTION__);
for (i = 0; i < LP_MAX_SHADER_VARIANTS / 4; i++) {
struct lp_fs_variant_list_item *item = last_elem(&lp->fs_variants_list);
remove_shader_variant(lp, item->base);
}
}
t0 = os_time_get();
variant = generate_variant(lp, shader, &key);
t1 = os_time_get();
dt = t1 - t0;
LP_COUNT_ADD(llvm_compile_time, dt);
LP_COUNT_ADD(nr_llvm_compiles, 2); /* emit vs. omit in/out test */
if (variant) {
insert_at_head(&shader->variants, &variant->list_item_local);
insert_at_head(&lp->fs_variants_list, &variant->list_item_global);
lp->nr_fs_variants++;
shader->variants_cached++;
}
}
lp_setup_set_fs_variant(lp->setup, variant);
}
static void
llvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
struct lp_fragment_shader *shader = fs;
struct lp_fs_variant_list_item *li;
assert(fs != llvmpipe->fs);
(void) llvmpipe;
/*
* XXX: we need to flush the context until we have some sort of reference
* counting in fragment shaders as they may still be binned
* Flushing alone might not sufficient we need to wait on it too.
*/
llvmpipe_finish(pipe, __FUNCTION__);
li = first_elem(&shader->variants);
while(!at_end(&shader->variants, li)) {
struct lp_fs_variant_list_item *next = next_elem(li);
remove_shader_variant(llvmpipe, li->base);
li = next;
}
assert(shader->variants_cached == 0);
FREE((void *) shader->base.tokens);
FREE(shader);
}
static void
llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe );
struct llvmpipe_query *pq = llvmpipe_query(q);
/* Check if the query is already in the scene. If so, we need to
* flush the scene now. Real apps shouldn't re-use a query in a
* frame of rendering.
*/
if (pq->fence && !lp_fence_issued(pq->fence)) {
llvmpipe_finish(pipe, __FUNCTION__);
}
memset(pq->start, 0, sizeof(pq->start));
memset(pq->end, 0, sizeof(pq->end));
lp_setup_begin_query(llvmpipe->setup, pq);
switch (pq->type) {
case PIPE_QUERY_PRIMITIVES_EMITTED:
pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
break;
case PIPE_QUERY_PRIMITIVES_GENERATED:
pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
break;
case PIPE_QUERY_SO_STATISTICS:
pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
break;
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
pq->num_primitives_written = llvmpipe->so_stats.num_primitives_written;
pq->num_primitives_generated = llvmpipe->so_stats.primitives_storage_needed;
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
/* reset our cache */
if (llvmpipe->active_statistics_queries == 0) {
memset(&llvmpipe->pipeline_statistics, 0,
sizeof(llvmpipe->pipeline_statistics));
}
memcpy(&pq->stats, &llvmpipe->pipeline_statistics, sizeof(pq->stats));
llvmpipe->active_statistics_queries++;
break;
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
llvmpipe->active_occlusion_queries++;
llvmpipe->dirty |= LP_NEW_OCCLUSION_QUERY;
break;
default:
break;
}
}
