[Mesa-dev] [PATCH 2/2] st/mesa: improve sampler view handling
Christian König
deathsimple at vodafone.de
Tue Mar 25 10:28:27 PDT 2014
From: Christian König <christian.koenig at amd.com>
Keep a dynamically increasing array of all the views
created for a texture instead of just the last one.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
src/mesa/state_tracker/st_atom_sampler.c | 21 ++++++++---
src/mesa/state_tracker/st_atom_texture.c | 53 +++++++++++++---------------
src/mesa/state_tracker/st_cb_eglimage.c | 2 +-
src/mesa/state_tracker/st_cb_texture.c | 20 +++++------
src/mesa/state_tracker/st_gen_mipmap.c | 2 +-
src/mesa/state_tracker/st_texture.c | 60 ++++++++++++++++++++++++++++++--
src/mesa/state_tracker/st_texture.h | 16 +++++++--
src/mesa/state_tracker/st_vdpau.c | 11 +++---
8 files changed, 129 insertions(+), 56 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index ec2bab2..f89013f 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -182,15 +182,26 @@ convert_sampler(struct st_context *st,
msamp->BorderColor.ui[3]) {
const struct st_texture_object *stobj = st_texture_object_const(texobj);
const GLboolean is_integer = texobj->_IsIntegerFormat;
+ const struct pipe_sampler_view *sv = NULL;
union pipe_color_union border_color;
+ GLuint i;
+
+ /* Just search for the first used view */
+ /* XXX: clean that up to not use the sampler view at all */
+ for (i = 0; i < stobj->num_sampler_views; ++i) {
+ if (stobj->sampler_views[i]) {
+ sv = stobj->sampler_views[i];
+ break;
+ }
+ }
- if (st->apply_texture_swizzle_to_border_color && stobj->sampler_view) {
+ if (st->apply_texture_swizzle_to_border_color && sv) {
const unsigned char swz[4] =
{
- stobj->sampler_view->swizzle_r,
- stobj->sampler_view->swizzle_g,
- stobj->sampler_view->swizzle_b,
- stobj->sampler_view->swizzle_a,
+ sv->swizzle_r,
+ sv->swizzle_g,
+ sv->swizzle_b,
+ sv->swizzle_a,
};
st_translate_color(&msamp->BorderColor,
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c
index 75e6fac..245e615 100644
--- a/src/mesa/state_tracker/st_atom_texture.c
+++ b/src/mesa/state_tracker/st_atom_texture.c
@@ -186,40 +186,47 @@ st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe,
static struct pipe_sampler_view *
-st_get_texture_sampler_view_from_stobj(struct st_texture_object *stObj,
- struct pipe_context *pipe,
+st_get_texture_sampler_view_from_stobj(struct st_context *st,
+ struct st_texture_object *stObj,
const struct gl_sampler_object *samp,
enum pipe_format format)
{
+ struct pipe_sampler_view **sv;
+
if (!stObj || !stObj->pt) {
return NULL;
}
- if (!stObj->sampler_view) {
- stObj->sampler_view =
- st_create_texture_sampler_view_from_stobj(pipe, stObj, samp, format);
+ sv = st_texture_get_sampler_view(st, stObj);
+
+ /* if sampler view has changed dereference it */
+ if (*sv) {
+ if (check_sampler_swizzle(*sv, stObj->base._Swizzle, stObj->base.DepthMode) ||
+ (format != (*sv)->format) ||
+ stObj->base.BaseLevel != (*sv)->u.tex.first_level) {
+ pipe_sampler_view_reference(sv, NULL);
+ }
+ }
+
+ if (!*sv) {
+ *sv = st_create_texture_sampler_view_from_stobj(st->pipe, stObj, samp, format);
- } else if (stObj->sampler_view->context != pipe) {
+ } else if ((*sv)->context != st->pipe) {
/* Recreate view in correct context, use existing view as template */
- /* XXX: This isn't optimal, we should try to use more than one view.
- Otherwise we create/destroy the view all the time
- */
- struct pipe_sampler_view *sv =
- pipe->create_sampler_view(pipe, stObj->pt, stObj->sampler_view);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- stObj->sampler_view = sv;
+ struct pipe_sampler_view *new_sv =
+ st->pipe->create_sampler_view(st->pipe, stObj->pt, *sv);
+ pipe_sampler_view_reference(sv, NULL);
+ *sv = new_sv;
}
- return stObj->sampler_view;
+ return *sv;
}
-
static GLboolean
update_single_texture(struct st_context *st,
struct pipe_sampler_view **sampler_view,
GLuint texUnit)
{
- struct pipe_context *pipe = st->pipe;
struct gl_context *ctx = st->ctx;
const struct gl_sampler_object *samp;
struct gl_texture_object *texObj;
@@ -258,19 +265,7 @@ update_single_texture(struct st_context *st,
}
}
- /* if sampler view has changed dereference it */
- if (stObj->sampler_view) {
- if (check_sampler_swizzle(stObj->sampler_view,
- stObj->base._Swizzle,
- stObj->base.DepthMode) ||
- (view_format != stObj->sampler_view->format) ||
- stObj->base.BaseLevel != stObj->sampler_view->u.tex.first_level) {
- pipe_sampler_view_release(pipe, &stObj->sampler_view);
- }
- }
-
- *sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe,
- samp,
+ *sampler_view = st_get_texture_sampler_view_from_stobj(st, stObj, samp,
view_format);
return GL_TRUE;
}
diff --git a/src/mesa/state_tracker/st_cb_eglimage.c b/src/mesa/state_tracker/st_cb_eglimage.c
index 561967d..34eb809 100644
--- a/src/mesa/state_tracker/st_cb_eglimage.c
+++ b/src/mesa/state_tracker/st_cb_eglimage.c
@@ -124,7 +124,7 @@ st_bind_surface(struct gl_context *ctx, GLenum target,
/* FIXME create a non-default sampler view from the pipe_surface? */
pipe_resource_reference(&stObj->pt, ps->texture);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st_texture_release_all_sampler_views(stObj);
pipe_resource_reference(&stImage->pt, stObj->pt);
stObj->width0 = ps->width;
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index f0bf374..353415b 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -151,13 +151,11 @@ static void
st_DeleteTextureObject(struct gl_context *ctx,
struct gl_texture_object *texObj)
{
- struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
- if (stObj->pt)
- pipe_resource_reference(&stObj->pt, NULL);
- if (stObj->sampler_view) {
- pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
- }
+
+ pipe_resource_reference(&stObj->pt, NULL);
+ st_texture_release_all_sampler_views(stObj);
+ FREE(stObj->sampler_views);
_mesa_delete_texture_object(ctx, texObj);
}
@@ -454,7 +452,7 @@ st_AllocTextureImageBuffer(struct gl_context *ctx,
/* The parent texture object does not have space for this image */
pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
+ st_texture_release_all_sampler_views(stObj);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
/* Probably out of memory.
@@ -1487,13 +1485,13 @@ st_finalize_texture(struct gl_context *ctx,
if (!st_obj) {
pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st_texture_release_all_sampler_views(stObj);
return GL_TRUE;
}
if (st_obj->buffer != stObj->pt) {
pipe_resource_reference(&stObj->pt, st_obj->buffer);
- pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
+ st_texture_release_all_sampler_views(stObj);
stObj->width0 = stObj->pt->width0 / _mesa_get_format_bytes(tObj->_BufferObjectFormat);
stObj->height0 = 1;
stObj->depth0 = 1;
@@ -1514,7 +1512,7 @@ st_finalize_texture(struct gl_context *ctx,
firstImage->pt != stObj->pt &&
(!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
pipe_resource_reference(&stObj->pt, firstImage->pt);
- pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
+ st_texture_release_all_sampler_views(stObj);
}
/* If this texture comes from a window system, there is nothing else to do. */
@@ -1561,7 +1559,7 @@ st_finalize_texture(struct gl_context *ctx,
* gallium texture now. We'll make a new one below.
*/
pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
+ st_texture_release_all_sampler_views(stObj);
st->dirty.st |= ST_NEW_FRAMEBUFFER;
}
}
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index b615575..f1864fc 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -182,7 +182,7 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
/* release the old tex (will likely be freed too) */
pipe_resource_reference(&oldTex, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st_texture_release_all_sampler_views(stObj);
}
else {
/* Make sure that the base texture image data is present in the
diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index a3b3453..27a0922 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/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
@@ -412,10 +413,65 @@ st_create_color_map_texture(struct gl_context *ctx)
return pt;
}
+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 */
+ stObj->sampler_views = REALLOC(stObj->sampler_views,
+ stObj->num_sampler_views, stObj->num_sampler_views + 1);
+ 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);
+ }
+}
+
+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);
}
diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h
index b4a27a0..188fd52 100644
--- a/src/mesa/state_tracker/st_texture.h
+++ b/src/mesa/state_tracker/st_texture.h
@@ -82,10 +82,13 @@ struct st_texture_object
*/
struct pipe_resource *pt;
- /* Default sampler view attached to this texture object. Created lazily
- * on first binding.
+ /* Number of views in sampler_views array */
+ GLuint num_sampler_views;
+
+ /* Sampler views attached to this texture object. Created lazily
+ * on first binding in context.
*/
- struct pipe_sampler_view *sampler_view;
+ struct pipe_sampler_view **sampler_views;
/* True if this texture comes from the window system. Such a texture
* cannot be reallocated and the format can only be changed with a sampler
@@ -227,8 +230,15 @@ st_texture_image_copy(struct pipe_context *pipe,
extern struct pipe_resource *
st_create_color_map_texture(struct gl_context *ctx);
+extern struct pipe_sampler_view **
+st_texture_get_sampler_view(struct st_context *st,
+ struct st_texture_object *stObj);
+
extern void
st_texture_release_sampler_view(struct st_context *st,
struct st_texture_object *stObj);
+extern void
+st_texture_release_all_sampler_views(struct st_texture_object *stObj);
+
#endif
diff --git a/src/mesa/state_tracker/st_vdpau.c b/src/mesa/state_tracker/st_vdpau.c
index c5b4780..8c10cda 100644
--- a/src/mesa/state_tracker/st_vdpau.c
+++ b/src/mesa/state_tracker/st_vdpau.c
@@ -63,7 +63,7 @@ st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *res;
- struct pipe_sampler_view *sv, templ;
+ struct pipe_sampler_view templ, **sampler_view;
mesa_format texFormat;
getProcAddr = ctx->vdpGetProcAddress;
@@ -83,6 +83,7 @@ st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
}
} else {
+ struct pipe_sampler_view *sv;
VdpVideoSurfaceGallium *f;
struct pipe_video_buffer *buffer;
@@ -138,7 +139,7 @@ st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
texFormat);
pipe_resource_reference(&stObj->pt, res);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st_texture_release_all_sampler_views(stObj);
pipe_resource_reference(&stImage->pt, res);
u_sampler_view_default_template(&templ, res, res->format);
@@ -148,7 +149,9 @@ st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
templ.swizzle_g = GET_SWZ(stObj->base._Swizzle, 1);
templ.swizzle_b = GET_SWZ(stObj->base._Swizzle, 2);
templ.swizzle_a = GET_SWZ(stObj->base._Swizzle, 3);
- stObj->sampler_view = st->pipe->create_sampler_view(st->pipe, res, &templ);
+
+ sampler_view = st_texture_get_sampler_view(st, stObj);
+ *sampler_view = st->pipe->create_sampler_view(st->pipe, res, &templ);
stObj->width0 = res->width0;
stObj->height0 = res->height0;
@@ -169,7 +172,7 @@ st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
struct st_texture_image *stImage = st_texture_image(texImage);
pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st_texture_release_all_sampler_views(stObj);
pipe_resource_reference(&stImage->pt, NULL);
_mesa_dirty_texobj(ctx, texObj);
--
1.9.1
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