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authorMarek Olšák <[email protected]>2015-02-10 14:00:57 +0100
committerMarek Olšák <[email protected]>2015-02-17 17:31:48 +0100
commit8b587ee7011aee900fd84f6203467ba899f2ed01 (patch)
tree8cd327663f977a8993098b2dcb86802827c94bae /src/mesa/state_tracker
parent11ebb03c26a7af4e975f5611303f6caf98f8a315 (diff)
gallium: add interface and state tracker support for GL_AMD_pinned_memory
v2: add alignment restrictions to docs, fix indentation in headers Reviewed-by: Christian König <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_cb_bufferobjects.c18
-rw-r--r--src/mesa/state_tracker/st_extensions.c1
2 files changed, 14 insertions, 5 deletions
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c
index 90f786cc1f2..f24805cf5dd 100644
--- a/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -186,7 +186,8 @@ st_bufferobj_data(struct gl_context *ctx,
struct st_buffer_object *st_obj = st_buffer_object(obj);
unsigned bind, pipe_usage, pipe_flags = 0;
- if (size && data && st_obj->buffer &&
+ if (target != GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD &&
+ size && data && st_obj->buffer &&
st_obj->Base.Size == size &&
st_obj->Base.Usage == usage &&
st_obj->Base.StorageFlags == storageFlags) {
@@ -287,6 +288,7 @@ st_bufferobj_data(struct gl_context *ctx,
}
if (size != 0) {
+ struct pipe_screen *screen = pipe->screen;
struct pipe_resource buffer;
memset(&buffer, 0, sizeof buffer);
@@ -300,16 +302,22 @@ st_bufferobj_data(struct gl_context *ctx,
buffer.depth0 = 1;
buffer.array_size = 1;
- st_obj->buffer = pipe->screen->resource_create(pipe->screen, &buffer);
+ if (target == GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD) {
+ st_obj->buffer =
+ screen->resource_from_user_memory(screen, &buffer, (void*)data);
+ }
+ else {
+ st_obj->buffer = screen->resource_create(screen, &buffer);
+
+ if (st_obj->buffer && data)
+ pipe_buffer_write(pipe, st_obj->buffer, 0, size, data);
+ }
if (!st_obj->buffer) {
/* out of memory */
st_obj->Base.Size = 0;
return GL_FALSE;
}
-
- if (data)
- pipe_buffer_write(pipe, st_obj->buffer, 0, size, data);
}
/* BufferData may change an array or uniform buffer, need to update it */
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 2b5cde28041..036fac71a0c 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -446,6 +446,7 @@ void st_init_extensions(struct pipe_screen *screen,
{ o(EXT_texture_swizzle), PIPE_CAP_TEXTURE_SWIZZLE },
{ o(EXT_transform_feedback), PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS },
+ { o(AMD_pinned_memory), PIPE_CAP_RESOURCE_FROM_USER_MEMORY },
{ o(AMD_seamless_cubemap_per_texture), PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE },
{ o(ATI_separate_stencil), PIPE_CAP_TWO_SIDED_STENCIL },
{ o(ATI_texture_mirror_once), PIPE_CAP_TEXTURE_MIRROR_CLAMP },