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authormarha <marha@users.sourceforge.net>2014-04-13 14:28:06 +0200
committermarha <marha@users.sourceforge.net>2014-04-13 14:28:06 +0200
commit0bd141efd4832e01c8b269b8566dd5749e30ed55 (patch)
treecdad95c688236c6e2e36f13a3495c498393dabc8 /mesalib/src/mesa/state_tracker/st_texture.c
parentfeab85024204c7db3ad243697fe06bf3960349a9 (diff)
parentd2ad10d03be8e6d4b150bbdf2a28ea3d5a18a2ed (diff)
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Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_texture.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_texture.c115
1 files changed, 106 insertions, 9 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index a3b345356..f664ef5f1 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -40,6 +40,7 @@
#include "util/u_format.h"
#include "util/u_rect.h"
#include "util/u_math.h"
+#include "util/u_memory.h"
#define DBG if(0) printf
@@ -240,11 +241,13 @@ GLubyte *
st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
enum pipe_transfer_usage usage,
GLuint x, GLuint y, GLuint z,
- GLuint w, GLuint h, GLuint d)
+ GLuint w, GLuint h, GLuint d,
+ struct pipe_transfer **transfer)
{
struct st_texture_object *stObj =
st_texture_object(stImage->base.TexObject);
GLuint level;
+ void *map;
DBG("%s \n", __FUNCTION__);
@@ -256,22 +259,41 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
else
level = stImage->base.Level;
- return pipe_transfer_map_3d(st->pipe, stImage->pt, level, usage,
- x, y, z + stImage->base.Face,
- w, h, d, &stImage->transfer);
+ z += stImage->base.Face;
+
+ map = pipe_transfer_map_3d(st->pipe, stImage->pt, level, usage,
+ x, y, z, w, h, d, transfer);
+ if (map) {
+ /* Enlarge the transfer array if it's not large enough. */
+ if (z >= stImage->num_transfers) {
+ unsigned new_size = z + 1;
+
+ stImage->transfer = realloc(stImage->transfer,
+ new_size * sizeof(void*));
+ memset(&stImage->transfer[stImage->num_transfers], 0,
+ (new_size - stImage->num_transfers) * sizeof(void*));
+ stImage->num_transfers = new_size;
+ }
+
+ assert(!stImage->transfer[z]);
+ stImage->transfer[z] = *transfer;
+ }
+ return map;
}
void
st_texture_image_unmap(struct st_context *st,
- struct st_texture_image *stImage)
+ struct st_texture_image *stImage, unsigned slice)
{
struct pipe_context *pipe = st->pipe;
+ struct pipe_transfer **transfer =
+ &stImage->transfer[slice + stImage->base.Face];
DBG("%s\n", __FUNCTION__);
- pipe_transfer_unmap(pipe, stImage->transfer);
- stImage->transfer = NULL;
+ pipe_transfer_unmap(pipe, *transfer);
+ *transfer = NULL;
}
@@ -412,10 +434,85 @@ st_create_color_map_texture(struct gl_context *ctx)
return pt;
}
+/**
+ * Try to find a matching sampler view for the given context.
+ * If none is found an empty slot is initialized with a
+ * template and returned instead.
+ */
+struct pipe_sampler_view **
+st_texture_get_sampler_view(struct st_context *st,
+ struct st_texture_object *stObj)
+{
+ struct pipe_sampler_view **used = NULL, **free = NULL;
+ GLuint i;
+
+ for (i = 0; i < stObj->num_sampler_views; ++i) {
+ struct pipe_sampler_view **sv = &stObj->sampler_views[i];
+ /* Is the array entry used ? */
+ if (*sv) {
+ /* Yes, check if it's the right one */
+ if ((*sv)->context == st->pipe)
+ return sv;
+
+ /* Wasn't the right one, but remember it as template */
+ used = sv;
+ } else {
+ /* Found a free slot, remember that */
+ free = sv;
+ }
+ }
+
+ /* Couldn't find a slot for our context, create a new one */
+
+ if (!free) {
+ /* Haven't even found a free one, resize the array */
+ GLuint old_size = stObj->num_sampler_views * sizeof(void *);
+ GLuint new_size = old_size + sizeof(void *);
+ stObj->sampler_views = REALLOC(stObj->sampler_views, old_size, new_size);
+ free = &stObj->sampler_views[stObj->num_sampler_views++];
+ *free = NULL;
+ }
+
+ /* Add just any sampler view to be used as a template */
+ if (used)
+ pipe_sampler_view_reference(free, *used);
+
+ return free;
+}
+
void
st_texture_release_sampler_view(struct st_context *st,
struct st_texture_object *stObj)
{
- if (stObj->sampler_view && stObj->sampler_view->context == st->pipe)
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ GLuint i;
+
+ for (i = 0; i < stObj->num_sampler_views; ++i) {
+ struct pipe_sampler_view **sv = &stObj->sampler_views[i];
+
+ if (*sv && (*sv)->context == st->pipe) {
+ pipe_sampler_view_reference(sv, NULL);
+ break;
+ }
+ }
+}
+
+void
+st_texture_release_all_sampler_views(struct st_texture_object *stObj)
+{
+ GLuint i;
+
+ for (i = 0; i < stObj->num_sampler_views; ++i)
+ pipe_sampler_view_reference(&stObj->sampler_views[i], NULL);
+}
+
+
+void
+st_texture_free_sampler_views(struct st_texture_object *stObj)
+{
+ /* NOTE:
+ * We use FREE() here to match REALLOC() above. Both come from
+ * u_memory.h, not imports.h. If we mis-match MALLOC/FREE from
+ * those two headers we can trash the heap.
+ */
+ FREE(stObj->sampler_views);
}