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/*
* Authors: Jakob Bornecrantz <jakob-at-tungstengraphics.com>
*/
#include "ws_dri_fencemgr.h"
#include "intel_be_device.h"
#include "intel_be_context.h"
#include "intel_be_batchbuffer.h"
static INLINE struct intel_be_context *
intel_be_context(struct i915_winsys *sws)
{
return (struct intel_be_context *)sws;
}
/* Simple batchbuffer interface:
*/
static struct i915_batchbuffer*
intel_i915_batch_get(struct i915_winsys *sws)
{
struct intel_be_context *intel = intel_be_context(sws);
return &intel->batch->base;
}
static void intel_i915_batch_reloc(struct i915_winsys *sws,
struct pipe_buffer *buf,
unsigned access_flags,
unsigned delta)
{
struct intel_be_context *intel = intel_be_context(sws);
unsigned flags = DRM_BO_FLAG_MEM_TT;
unsigned mask = DRM_BO_MASK_MEM;
if (access_flags & I915_BUFFER_ACCESS_WRITE) {
flags |= DRM_BO_FLAG_WRITE;
mask |= DRM_BO_FLAG_WRITE;
}
if (access_flags & I915_BUFFER_ACCESS_READ) {
flags |= DRM_BO_FLAG_READ;
mask |= DRM_BO_FLAG_READ;
}
intel_be_offset_relocation(intel->batch,
delta,
dri_bo(buf),
flags,
mask);
}
static void intel_i915_batch_flush(struct i915_winsys *sws,
struct pipe_fence_handle **fence)
{
struct intel_be_context *intel = intel_be_context(sws);
union {
struct _DriFenceObject *dri;
struct pipe_fence_handle *pipe;
} fu;
if (fence)
assert(!*fence);
fu.dri = intel_be_batchbuffer_flush(intel->batch);
if (!fu.dri) {
assert(0);
*fence = NULL;
return;
}
if (fu.dri) {
if (fence)
*fence = fu.pipe;
else
driFenceUnReference(&fu.dri);
}
}
boolean
intel_be_init_context(struct intel_be_context *intel, struct intel_be_device *device)
{
assert(intel);
assert(device);
intel->device = device;
/* TODO move framebuffer createion to the driver */
intel->base.batch_get = intel_i915_batch_get;
intel->base.batch_reloc = intel_i915_batch_reloc;
intel->base.batch_flush = intel_i915_batch_flush;
intel->batch = intel_be_batchbuffer_alloc(intel);
return true;
}
void
intel_be_destroy_context(struct intel_be_context *intel)
{
intel_be_batchbuffer_free(intel->batch);
}
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