Signed-off-by: Chris Wilson <[email protected]>
---
src/mesa/drivers/dri/intel/intel_buffer_objects.c | 43 +++++++++++++++++++++
src/mesa/drivers/dri/intel/intel_extensions.c | 2 +
2 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index ea9d5a6..856d71a 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -573,6 +573,44 @@ intel_bufferobj_copy_subdata(GLcontext *ctx,
intel_batchbuffer_emit_mi_flush(intel->batch);
}
+#if FEATURE_APPLE_object_purgeable
+static GLenum
+intel_bufferobj_purgeable(GLcontext * ctx,
+ struct gl_buffer_object *obj,
+ GLenum option)
+{
+ struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
+ int retained;
+
+ if (intel_obj->buffer != NULL) {
+ retained = drm_intel_bo_madvise (intel_obj->buffer, I915_MADV_DONTNEED);
+ } else {
+ if (intel_obj->sys_buffer != NULL) {
+ _mesa_free(intel_obj->sys_buffer);
+ intel_obj->sys_buffer = NULL;
+ }
+ retained = 0;
+ }
+
+ return retained ? GL_VOLATILE_APPLE : GL_RELEASED_APPLE;
+}
+
+static GLenum
+intel_bufferobj_unpurgeable(GLcontext * ctx,
+ struct gl_buffer_object *obj,
+ GLenum option)
+{
+ struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
+ int retained;
+
+ retained = 1;
+ if (intel_obj->buffer != NULL)
+ retained = drm_intel_bo_madvise (intel_obj->buffer, I915_MADV_WILLNEED);
+
+ return retained ? GL_RETAINED_APPLE : GL_UNDEFINED_APPLE;
+}
+#endif
+
void
intelInitBufferObjectFuncs(struct dd_function_table *functions)
{
@@ -586,4 +624,9 @@ intelInitBufferObjectFuncs(struct dd_function_table
*functions)
functions->FlushMappedBufferRange = intel_bufferobj_flush_mapped_range;
functions->UnmapBuffer = intel_bufferobj_unmap;
functions->CopyBufferSubData = intel_bufferobj_copy_subdata;
+
+#if FEATURE_APPLE_object_purgeable
+ functions->ObjectPurgeable = intel_bufferobj_purgeable;
+ functions->ObjectUnpurgeable = intel_bufferobj_unpurgeable;
+#endif
}
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c
b/src/mesa/drivers/dri/intel/intel_extensions.c
index b6754c9..fe691b9 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -57,6 +57,7 @@
#define need_GL_EXT_secondary_color
#define need_GL_EXT_stencil_two_side
#define need_GL_APPLE_vertex_array_object
+#define need_GL_APPLE_object_purgeable
#define need_GL_ATI_separate_stencil
#define need_GL_ATI_envmap_bumpmap
#define need_GL_NV_point_sprite
@@ -181,6 +182,7 @@ static const struct dri_extension ttm_extensions[] = {
{ "GL_ARB_pixel_buffer_object", NULL },
{ "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions },
{ "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
+ { "GL_APPLE_object_purgeable", GL_APPLE_object_purgeable_functions },
{ NULL, NULL }
};
--
1.6.5.2
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