intel_be_context.c File Reference

Include dependency graph for intel_be_context.c:

Go to the source code of this file.

Functions
static struct intel_be_context *	intel_be_context (struct i915_winsys *sws)
static struct i915_batchbuffer *	intel_i915_batch_get (struct i915_winsys *sws)
static void	intel_i915_batch_reloc (struct i915_winsys *sws, struct pipe_buffer *buf, unsigned access_flags, unsigned delta)
static void	intel_i915_batch_flush (struct i915_winsys *sws, struct pipe_fence_handle **fence)
boolean	intel_be_init_context (struct intel_be_context *intel, struct intel_be_device *device)
	Intialize a allocated intel_be_context struct.
void	intel_be_destroy_context (struct intel_be_context *intel)
	Destroy a intel_be_context.

---

Function Documentation

static struct intel_be_context* intel_be_context

(

struct i915_winsys *

sws

)

[static, read]

Definition at line 12 of file intel_be_context.c.

{
        return (struct intel_be_context *)sws;
}

void intel_be_destroy_context

(

struct intel_be_context *

intel

)

Destroy a intel_be_context.

Does not free the struct that is up to the winsys.

Definition at line 104 of file intel_be_context.c.

References intel_be_context::batch, and intel_be_batchbuffer_free().

{
        intel_be_batchbuffer_free(intel->batch);
}

boolean intel_be_init_context	(	struct intel_be_context *	intel,
		struct intel_be_device *	device
	)

Intialize a allocated intel_be_context struct.

Remember to set the hardware_* functions.

Definition at line 85 of file intel_be_context.c.

References assert, intel_be_context::base, intel_be_context::batch, i915_winsys::batch_flush, i915_winsys::batch_get, i915_winsys::batch_reloc, intel_be_context::device, intel_be_batchbuffer_alloc(), intel_i915_batch_flush(), intel_i915_batch_get(), and intel_i915_batch_reloc().

{
        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;
}

static void intel_i915_batch_flush	(	struct i915_winsys *	sws,
		struct pipe_fence_handle **	fence
	)			[static]

Definition at line 54 of file intel_be_context.c.

References assert, intel_be_context::batch, driFenceUnReference(), intel_be_batchbuffer_flush(), and intel_be_context().

{
        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);
        }

}

static struct i915_batchbuffer* intel_i915_batch_get

(

struct i915_winsys *

sws

)

[static, read]

Definition at line 21 of file intel_be_context.c.

References intel_be_batchbuffer::base, intel_be_context::batch, and intel_be_context().

{
        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
	)			[static]

Definition at line 27 of file intel_be_context.c.

References intel_be_context::batch, dri_bo(), I915_BUFFER_ACCESS_READ, I915_BUFFER_ACCESS_WRITE, intel_be_context(), and intel_be_offset_relocation().

{
        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);
}

---