| /* |
| * Copyright © 2010 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| /** |
| * @file brw_object_purgeable.c |
| * |
| * The driver implementation of the GL_APPLE_object_purgeable extension. |
| */ |
| |
| #include "main/imports.h" |
| #include "main/mtypes.h" |
| #include "main/macros.h" |
| #include "main/bufferobj.h" |
| |
| #include "brw_context.h" |
| #include "intel_buffer_objects.h" |
| #include "intel_fbo.h" |
| #include "intel_mipmap_tree.h" |
| |
| static GLenum |
| intel_buffer_purgeable(drm_intel_bo *buffer) |
| { |
| int retained = 0; |
| |
| if (buffer != NULL) |
| retained = drm_intel_bo_madvise(buffer, I915_MADV_DONTNEED); |
| |
| return retained ? GL_VOLATILE_APPLE : GL_RELEASED_APPLE; |
| } |
| |
| static GLenum |
| intel_buffer_object_purgeable(struct gl_context * ctx, |
| struct gl_buffer_object *obj, |
| GLenum option) |
| { |
| struct intel_buffer_object *intel_obj = intel_buffer_object(obj); |
| |
| if (intel_obj->buffer != NULL) |
| return intel_buffer_purgeable(intel_obj->buffer); |
| |
| if (option == GL_RELEASED_APPLE) { |
| return GL_RELEASED_APPLE; |
| } else { |
| /* XXX Create the buffer and madvise(MADV_DONTNEED)? */ |
| return intel_buffer_purgeable(intel_obj->buffer); |
| } |
| } |
| |
| static GLenum |
| intel_texture_object_purgeable(struct gl_context * ctx, |
| struct gl_texture_object *obj, |
| GLenum option) |
| { |
| struct intel_texture_object *intel; |
| |
| (void) ctx; |
| (void) option; |
| |
| intel = intel_texture_object(obj); |
| if (intel->mt == NULL || intel->mt->bo == NULL) |
| return GL_RELEASED_APPLE; |
| |
| return intel_buffer_purgeable(intel->mt->bo); |
| } |
| |
| static GLenum |
| intel_render_object_purgeable(struct gl_context * ctx, |
| struct gl_renderbuffer *obj, |
| GLenum option) |
| { |
| struct intel_renderbuffer *intel; |
| |
| (void) ctx; |
| (void) option; |
| |
| intel = intel_renderbuffer(obj); |
| if (intel->mt == NULL) |
| return GL_RELEASED_APPLE; |
| |
| return intel_buffer_purgeable(intel->mt->bo); |
| } |
| |
| static GLenum |
| intel_buffer_unpurgeable(drm_intel_bo *buffer) |
| { |
| int retained; |
| |
| retained = 0; |
| if (buffer != NULL) |
| retained = drm_intel_bo_madvise(buffer, I915_MADV_WILLNEED); |
| |
| return retained ? GL_RETAINED_APPLE : GL_UNDEFINED_APPLE; |
| } |
| |
| static GLenum |
| intel_buffer_object_unpurgeable(struct gl_context * ctx, |
| struct gl_buffer_object *obj, |
| GLenum option) |
| { |
| (void) ctx; |
| (void) option; |
| |
| return intel_buffer_unpurgeable(intel_buffer_object(obj)->buffer); |
| } |
| |
| static GLenum |
| intel_texture_object_unpurgeable(struct gl_context * ctx, |
| struct gl_texture_object *obj, |
| GLenum option) |
| { |
| struct intel_texture_object *intel; |
| |
| (void) ctx; |
| (void) option; |
| |
| intel = intel_texture_object(obj); |
| if (intel->mt == NULL || intel->mt->bo == NULL) |
| return GL_UNDEFINED_APPLE; |
| |
| return intel_buffer_unpurgeable(intel->mt->bo); |
| } |
| |
| static GLenum |
| intel_render_object_unpurgeable(struct gl_context * ctx, |
| struct gl_renderbuffer *obj, |
| GLenum option) |
| { |
| struct intel_renderbuffer *intel; |
| |
| (void) ctx; |
| (void) option; |
| |
| intel = intel_renderbuffer(obj); |
| if (intel->mt == NULL) |
| return GL_UNDEFINED_APPLE; |
| |
| return intel_buffer_unpurgeable(intel->mt->bo); |
| } |
| |
| void |
| brw_init_object_purgeable_functions(struct dd_function_table *functions) |
| { |
| functions->BufferObjectPurgeable = intel_buffer_object_purgeable; |
| functions->TextureObjectPurgeable = intel_texture_object_purgeable; |
| functions->RenderObjectPurgeable = intel_render_object_purgeable; |
| |
| functions->BufferObjectUnpurgeable = intel_buffer_object_unpurgeable; |
| functions->TextureObjectUnpurgeable = intel_texture_object_unpurgeable; |
| functions->RenderObjectUnpurgeable = intel_render_object_unpurgeable; |
| } |