Mesa (master): intel: Use flink for global buffer ids
Jakob Bornecrantz
wallbraker at kemper.freedesktop.org
Fri Feb 27 02:38:59 UTC 2009
Module: Mesa
Branch: master
Commit: e1d276f9351a6524f4a48d9606ae531cc04ccad4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e1d276f9351a6524f4a48d9606ae531cc04ccad4
Author: Jakob Bornecrantz <wallbraker at gmail.com>
Date: Fri Feb 27 03:27:31 2009 +0100
intel: Use flink for global buffer ids
Also fix minor drm api change
---
src/gallium/winsys/drm/intel/gem/intel_be_api.c | 1 +
src/gallium/winsys/drm/intel/gem/intel_be_device.c | 35 +++++++++++++++++--
src/gallium/winsys/drm/intel/gem/intel_be_device.h | 17 ++++++++-
3 files changed, 47 insertions(+), 6 deletions(-)
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_api.c b/src/gallium/winsys/drm/intel/gem/intel_be_api.c
index e79ff0c..3f71c25 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_api.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_api.c
@@ -11,4 +11,5 @@ struct drm_api drm_api_hocks =
.buffer_from_texture = i915_get_texture_buffer,
.buffer_from_handle = intel_be_buffer_from_handle,
.handle_from_buffer = intel_be_handle_from_buffer,
+ .global_handle_from_buffer = intel_be_global_handle_from_buffer,
};
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.c b/src/gallium/winsys/drm/intel/gem/intel_be_device.c
index c0ba834..595de44 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_device.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.c
@@ -70,6 +70,8 @@ intel_be_buffer_create(struct pipe_winsys *winsys,
buffer->base.alignment = alignment;
buffer->base.usage = usage;
buffer->base.size = size;
+ buffer->flinked = FALSE;
+ buffer->flink = 0;
if (usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_CONSTANT)) {
/* Local buffer */
@@ -162,14 +164,39 @@ err:
return NULL;
}
-unsigned
+boolean
intel_be_handle_from_buffer(struct pipe_screen *screen,
- struct pipe_buffer *buf)
+ struct pipe_buffer *buffer,
+ unsigned *handle)
{
- drm_intel_bo *bo = intel_bo(buf);
- return bo->handle;
+ drm_intel_bo *bo;
+
+ if (!buffer)
+ return FALSE;
+
+ *handle = intel_bo(buffer)->handle;
+ return TRUE;
}
+boolean
+intel_be_global_handle_from_buffer(struct pipe_screen *screen,
+ struct pipe_buffer *buffer,
+ unsigned *handle)
+{
+ struct intel_be_buffer *buf = intel_be_buffer(buffer);
+
+ if (!buffer)
+ return FALSE;
+
+ if (!buf->flinked) {
+ if (drm_intel_bo_flink(intel_bo(buffer), &buf->flink))
+ return FALSE;
+ buf->flinked = TRUE;
+ }
+
+ *handle = buf->flink;
+ return TRUE;
+}
/*
* Fence
*/
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.h b/src/gallium/winsys/drm/intel/gem/intel_be_device.h
index 5bf7d3f..47d2176 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_device.h
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.h
@@ -44,6 +44,8 @@ intel_be_init_device(struct intel_be_device *device, int fd, unsigned id);
struct intel_be_buffer {
struct pipe_buffer base;
drm_intel_bo *bo;
+ boolean flinked;
+ unsigned flink;
};
/**
@@ -60,9 +62,20 @@ intel_be_buffer_from_handle(struct pipe_screen *screen,
*
* If buffer is destroyed handle may become invalid.
*/
-unsigned
+boolean
intel_be_handle_from_buffer(struct pipe_screen *screen,
- struct pipe_buffer *buffer);
+ struct pipe_buffer *buffer,
+ unsigned *handle);
+
+/**
+ * Gets the global handle from a buffer.
+ *
+ * If buffer is destroyed handle may become invalid.
+ */
+boolean
+intel_be_global_handle_from_buffer(struct pipe_screen *screen,
+ struct pipe_buffer *buffer,
+ unsigned *handle);
static INLINE struct intel_be_buffer *
intel_be_buffer(struct pipe_buffer *buf)
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