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path: root/src/gallium/auxiliary/postprocess/pp_init.c
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-rw-r--r--src/gallium/auxiliary/postprocess/pp_init.c145
1 files changed, 109 insertions, 36 deletions
diff --git a/src/gallium/auxiliary/postprocess/pp_init.c b/src/gallium/auxiliary/postprocess/pp_init.c
index 137c82ba438..1130248467a 100644
--- a/src/gallium/auxiliary/postprocess/pp_init.c
+++ b/src/gallium/auxiliary/postprocess/pp_init.c
@@ -42,57 +42,81 @@ struct pp_queue_t *
pp_init(struct pipe_context *pipe, const unsigned int *enabled,
struct cso_context *cso)
{
-
+ unsigned int num_filters = 0;
unsigned int curpos = 0, i, tmp_req = 0;
struct pp_queue_t *ppq;
- pp_func *tmp_q;
pp_debug("Initializing the post-processing queue.\n");
/* How many filters were requested? */
for (i = 0; i < PP_FILTERS; i++) {
if (enabled[i])
- curpos++;
+ num_filters++;
}
- if (!curpos)
+ if (num_filters == 0)
return NULL;
ppq = CALLOC(1, sizeof(struct pp_queue_t));
- tmp_q = CALLOC(curpos, sizeof(pp_func));
- ppq->shaders = CALLOC(curpos, sizeof(void *));
- ppq->verts = CALLOC(curpos, sizeof(unsigned int));
- if (!tmp_q || !ppq || !ppq->shaders || !ppq->verts)
+ if (ppq == NULL) {
+ pp_debug("Unable to allocate memory for ppq.\n");
goto error;
+ }
+
+ ppq->pp_queue = CALLOC(num_filters, sizeof(pp_func));
+ if (ppq->pp_queue == NULL) {
+ pp_debug("Unable to allocate memory for pp_queue.\n");
+ goto error;
+ }
+
+ ppq->shaders = CALLOC(num_filters, sizeof(void *));
+ ppq->filters = CALLOC(num_filters, sizeof(unsigned int));
+
+ if ((ppq->shaders == NULL) ||
+ (ppq->filters == NULL)) {
+ pp_debug("Unable to allocate memory for shaders and filter arrays.\n");
+ goto error;
+ }
ppq->p = pp_init_prog(ppq, pipe, cso);
- if (!ppq->p)
+ if (ppq->p == NULL) {
+ pp_debug("pp_init_prog returned NULL.\n");
goto error;
+ }
/* Add the enabled filters to the queue, in order */
curpos = 0;
- ppq->pp_queue = tmp_q;
for (i = 0; i < PP_FILTERS; i++) {
if (enabled[i]) {
ppq->pp_queue[curpos] = pp_filters[i].main;
tmp_req = MAX2(tmp_req, pp_filters[i].inner_tmps);
+ ppq->filters[curpos] = i;
if (pp_filters[i].shaders) {
ppq->shaders[curpos] =
CALLOC(pp_filters[i].shaders + 1, sizeof(void *));
- ppq->verts[curpos] = pp_filters[i].verts;
- if (!ppq->shaders[curpos])
+ if (!ppq->shaders[curpos]) {
+ pp_debug("Unable to allocate memory for shader list.\n");
goto error;
+ }
}
- pp_filters[i].init(ppq, curpos, enabled[i]);
+
+ /* Call the initialization function for the filter. */
+ if (!pp_filters[i].init(ppq, curpos, enabled[i])) {
+ pp_debug("Initialization for filter %u failed.\n", i);
+ goto error;
+ }
curpos++;
}
}
ppq->p->blitctx = util_create_blit(ppq->p->pipe, cso);
- if (!ppq->p->blitctx)
+
+ if (ppq->p->blitctx == NULL) {
+ pp_debug("Unable to create a blit context.\n");
goto error;
+ }
ppq->n_filters = curpos;
ppq->n_tmp = (curpos > 2 ? 2 : 1);
@@ -104,16 +128,18 @@ pp_init(struct pipe_context *pipe, const unsigned int *enabled,
ppq->shaders[i][0] = ppq->p->passvs;
pp_debug("Queue successfully allocated. %u filter(s).\n", curpos);
-
+
return ppq;
error:
- pp_debug("Error setting up pp\n");
- if (ppq)
- FREE(ppq->p);
- FREE(ppq);
- FREE(tmp_q);
+ if (ppq) {
+ /* Assign curpos, since we only need to destroy initialized filters. */
+ ppq->n_filters = curpos;
+
+ /* Call the common free function which must handle partial initialization. */
+ pp_free(ppq);
+ }
return NULL;
}
@@ -142,33 +168,81 @@ pp_free_fbos(struct pp_queue_t *ppq)
ppq->fbos_init = false;
}
-/** Free the pp queue. Called on context termination. */
+/**
+ * Free the pp queue. Called on context termination and failure in
+ * pp_init.
+ */
void
pp_free(struct pp_queue_t *ppq)
{
-
unsigned int i, j;
pp_free_fbos(ppq);
- util_destroy_blit(ppq->p->blitctx);
+ if (ppq && ppq->p) {
+ /* Only destroy created contexts. */
+ if (ppq->p->blitctx) {
+ util_destroy_blit(ppq->p->blitctx);
+ }
- for (i = 0; i < ppq->n_filters; i++) {
- for (j = 0; j < PP_MAX_PASSES && ppq->shaders[i][j]; j++) {
- if (j >= ppq->verts[i]) {
- ppq->p->pipe->delete_fs_state(ppq->p->pipe, ppq->shaders[i][j]);
- ppq->shaders[i][j] = NULL;
- }
- else if (ppq->shaders[i][j] != ppq->p->passvs) {
- ppq->p->pipe->delete_vs_state(ppq->p->pipe, ppq->shaders[i][j]);
- ppq->shaders[i][j] = NULL;
+ if (ppq->p->pipe && ppq->filters && ppq->shaders) {
+ for (i = 0; i < ppq->n_filters; i++) {
+ unsigned int filter = ppq->filters[i];
+
+ if (ppq->shaders[i] == NULL) {
+ continue;
+ }
+
+ /*
+ * Common shader destruction code for all postprocessing
+ * filters.
+ */
+ for (j = 0; j < pp_filters[filter].shaders; j++) {
+ if (ppq->shaders[i][j] == NULL) {
+ /* We reached the end of initialized shaders. */
+ break;
+ }
+
+ if (ppq->shaders[i][j] == ppq->p->passvs) {
+ continue;
+ }
+
+ assert(ppq);
+ assert(ppq->p);
+ assert(ppq->p->pipe);
+
+ if (j >= pp_filters[filter].verts) {
+ assert(ppq->p->pipe->delete_fs_state);
+ ppq->p->pipe->delete_fs_state(ppq->p->pipe,
+ ppq->shaders[i][j]);
+ ppq->shaders[i][j] = NULL;
+ } else {
+ assert(ppq->p->pipe->delete_vs_state);
+ ppq->p->pipe->delete_vs_state(ppq->p->pipe,
+ ppq->shaders[i][j]);
+ ppq->shaders[i][j] = NULL;
+ }
+ }
+
+ /* Finally call each filter type's free functionality. */
+ pp_filters[filter].free(ppq, i);
}
}
+
+ FREE(ppq->p);
}
- FREE(ppq->p);
- FREE(ppq->pp_queue);
- FREE(ppq);
+ if (ppq) {
+ /*
+ * Handle partial initialization for common resource destruction
+ * in the create path.
+ */
+ FREE(ppq->filters);
+ FREE(ppq->shaders);
+ FREE(ppq->pp_queue);
+
+ FREE(ppq);
+ }
pp_debug("Queue taken down.\n");
}
@@ -256,7 +330,6 @@ pp_init_fbos(struct pp_queue_t *ppq, unsigned int w,
if (!ppq->stencil || !ppq->stencils)
goto error;
-
p->framebuffer.width = w;
p->framebuffer.height = h;