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authorChris Wilson <[email protected]>2010-01-13 18:35:25 +0000
committerChris Wilson <[email protected]>2010-03-05 11:23:59 +0000
commit755915fa5d9ea782d142b3f8755b62d6de28fe29 (patch)
tree5214043e40574acdb4ed301735ef8c6c11e3b054 /src/mesa/drivers/dri
parent99864d595f7d4c13e9548f83d5972db9af64e67b (diff)
APPLE_object_purgeable: intel
Implement support for purgeable objects by using the GEM madvise ioctl. Signed-off-by: Chris Wilson <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/intel/intel_buffer_objects.c134
-rw-r--r--src/mesa/drivers/dri/intel/intel_extensions.c3
2 files changed, 136 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 312866d865d..7599beab526 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -31,10 +31,12 @@
#include "main/macros.h"
#include "main/bufferobj.h"
-#include "intel_context.h"
#include "intel_blit.h"
#include "intel_buffer_objects.h"
#include "intel_batchbuffer.h"
+#include "intel_context.h"
+#include "intel_fbo.h"
+#include "intel_mipmap_tree.h"
#include "intel_regions.h"
static GLboolean
@@ -588,6 +590,126 @@ intel_bufferobj_copy_subdata(GLcontext *ctx,
intel_batchbuffer_emit_mi_flush(intel->batch);
}
+#if FEATURE_APPLE_object_purgeable
+static GLenum
+intel_buffer_purgeable(GLcontext * ctx,
+ drm_intel_bo *buffer,
+ GLenum option)
+{
+ 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(GLcontext * ctx,
+ struct gl_buffer_object *obj,
+ GLenum option)
+{
+ struct intel_buffer_object *intel;
+
+ intel = intel_buffer_object (obj);
+ if (intel->buffer != NULL)
+ return intel_buffer_purgeable (ctx, intel->buffer, option);
+
+ if (option == GL_RELEASED_APPLE) {
+ if (intel->sys_buffer != NULL) {
+ free(intel->sys_buffer);
+ intel->sys_buffer = NULL;
+ }
+
+ return GL_RELEASED_APPLE;
+ } else {
+ /* XXX Create the buffer and madvise(MADV_DONTNEED)? */
+ return intel_buffer_purgeable (ctx,
+ intel_bufferobj_buffer(intel_context(ctx),
+ intel, INTEL_READ),
+ option);
+ }
+}
+
+static GLenum
+intel_texture_object_purgeable(GLcontext * ctx,
+ struct gl_texture_object *obj,
+ GLenum option)
+{
+ struct intel_texture_object *intel;
+
+ intel = intel_texture_object(obj);
+ if (intel->mt == NULL || intel->mt->region == NULL)
+ return GL_RELEASED_APPLE;
+
+ return intel_buffer_purgeable (ctx, intel->mt->region->buffer, option);
+}
+
+static GLenum
+intel_render_object_purgeable(GLcontext * ctx,
+ struct gl_renderbuffer *obj,
+ GLenum option)
+{
+ struct intel_renderbuffer *intel;
+
+ intel = intel_renderbuffer(obj);
+ if (intel->region == NULL)
+ return GL_RELEASED_APPLE;
+
+ return intel_buffer_purgeable (ctx, intel->region->buffer, option);
+}
+
+static GLenum
+intel_buffer_unpurgeable(GLcontext * ctx,
+ drm_intel_bo *buffer,
+ GLenum option)
+{
+ 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(GLcontext * ctx,
+ struct gl_buffer_object *obj,
+ GLenum option)
+{
+ return intel_buffer_unpurgeable (ctx, intel_buffer_object (obj)->buffer, option);
+}
+
+static GLenum
+intel_texture_object_unpurgeable(GLcontext * ctx,
+ struct gl_texture_object *obj,
+ GLenum option)
+{
+ struct intel_texture_object *intel;
+
+ intel = intel_texture_object(obj);
+ if (intel->mt == NULL || intel->mt->region == NULL)
+ return GL_UNDEFINED_APPLE;
+
+ return intel_buffer_unpurgeable (ctx, intel->mt->region->buffer, option);
+}
+
+static GLenum
+intel_render_object_unpurgeable(GLcontext * ctx,
+ struct gl_renderbuffer *obj,
+ GLenum option)
+{
+ struct intel_renderbuffer *intel;
+
+ intel = intel_renderbuffer(obj);
+ if (intel->region == NULL)
+ return GL_UNDEFINED_APPLE;
+
+ return intel_buffer_unpurgeable (ctx, intel->region->buffer, option);
+}
+#endif
+
void
intelInitBufferObjectFuncs(struct dd_function_table *functions)
{
@@ -601,4 +723,14 @@ 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->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;
+#endif
}
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c
index e16c33b33d7..a1aac699c91 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -58,6 +58,7 @@
#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
@@ -121,6 +122,7 @@ static const struct dri_extension card_extensions[] = {
{ "GL_EXT_texture_lod_bias", NULL },
{ "GL_3DFX_texture_compression_FXT1", NULL },
{ "GL_APPLE_client_storage", NULL },
+ { "GL_APPLE_object_purgeable", GL_APPLE_object_purgeable_functions },
{ "GL_APPLE_vertex_array_object", GL_APPLE_vertex_array_object_functions},
{ "GL_MESA_pack_invert", NULL },
{ "GL_MESA_ycbcr_texture", NULL },
@@ -182,6 +184,7 @@ static const struct dri_extension arb_oq_extensions[] = {
{ NULL, NULL }
};
+
static const struct dri_extension fragment_shader_extensions[] = {
{ "GL_ARB_fragment_shader", NULL },
{ NULL, NULL }