C++ (Cpp) render_state_get_rodata Exemples

Exemple #1

Fichier : i915_gem_render_state.c Projet : 020gzh/linux

static int render_state_init(struct render_state *so, struct drm_device *dev)
{
	int ret;

	so->gen = INTEL_INFO(dev)->gen;
	so->rodata = render_state_get_rodata(dev, so->gen);
	if (so->rodata == NULL)
		return 0;

	if (so->rodata->batch_items * 4 > 4096)
		return -EINVAL;

	so->obj = i915_gem_alloc_object(dev, 4096);
	if (so->obj == NULL)
		return -ENOMEM;

	ret = i915_gem_obj_ggtt_pin(so->obj, 4096, 0);
	if (ret)
		goto free_gem;

	so->ggtt_offset = i915_gem_obj_ggtt_offset(so->obj);
	return 0;

free_gem:
	drm_gem_object_unreference(&so->obj->base);
	return ret;
}

Exemple #2

Fichier : i915_gem_render_state.c Projet : acton393/linux

int i915_gem_render_state_init(struct drm_i915_gem_request *req)
{
	struct render_state so;
	struct drm_i915_gem_object *obj;
	int ret;

	if (WARN_ON(req->engine->id != RCS))
		return -ENOENT;

	so.rodata = render_state_get_rodata(req);
	if (!so.rodata)
		return 0;

	if (so.rodata->batch_items * 4 > 4096)
		return -EINVAL;

	obj = i915_gem_object_create(&req->i915->drm, 4096);
	if (IS_ERR(obj))
		return PTR_ERR(obj);

	so.vma = i915_vma_create(obj, &req->i915->ggtt.base, NULL);
	if (IS_ERR(so.vma)) {
		ret = PTR_ERR(so.vma);
		goto err_obj;
	}

	ret = i915_vma_pin(so.vma, 0, 0, PIN_GLOBAL);
	if (ret)
		goto err_obj;

	ret = render_state_setup(&so);
	if (ret)
		goto err_unpin;

	ret = req->engine->emit_bb_start(req, so.vma->node.start,
					 so.rodata->batch_items * 4,
					 I915_DISPATCH_SECURE);
	if (ret)
		goto err_unpin;

	if (so.aux_batch_size > 8) {
		ret = req->engine->emit_bb_start(req,
						 (so.vma->node.start +
						  so.aux_batch_offset),
						 so.aux_batch_size,
						 I915_DISPATCH_SECURE);
		if (ret)
			goto err_unpin;
	}

	i915_vma_move_to_active(so.vma, req, 0);
err_unpin:
	i915_vma_unpin(so.vma);
err_obj:
	i915_gem_object_put(obj);
	return ret;
}

Exemple #3

Fichier : i915_gem_render_state.c Projet : grate-driver/linux

int i915_gem_render_state_emit(struct i915_request *rq)
{
	struct intel_engine_cs *engine = rq->engine;
	struct intel_render_state so = {}; /* keep the compiler happy */
	int err;

	so.rodata = render_state_get_rodata(engine);
	if (!so.rodata)
		return 0;

	if (so.rodata->batch_items * 4 > PAGE_SIZE)
		return -EINVAL;

	so.obj = i915_gem_object_create_internal(engine->i915, PAGE_SIZE);
	if (IS_ERR(so.obj))
		return PTR_ERR(so.obj);

	so.vma = i915_vma_instance(so.obj, &engine->i915->ggtt.vm, NULL);
	if (IS_ERR(so.vma)) {
		err = PTR_ERR(so.vma);
		goto err_obj;
	}

	err = i915_vma_pin(so.vma, 0, 0, PIN_GLOBAL | PIN_HIGH);
	if (err)
		goto err_vma;

	err = render_state_setup(&so, rq->i915);
	if (err)
		goto err_unpin;

	err = engine->emit_bb_start(rq,
				    so.batch_offset, so.batch_size,
				    I915_DISPATCH_SECURE);
	if (err)
		goto err_unpin;

	if (so.aux_size > 8) {
		err = engine->emit_bb_start(rq,
					    so.aux_offset, so.aux_size,
					    I915_DISPATCH_SECURE);
		if (err)
			goto err_unpin;
	}

	i915_vma_lock(so.vma);
	err = i915_vma_move_to_active(so.vma, rq, 0);
	i915_vma_unlock(so.vma);
err_unpin:
	i915_vma_unpin(so.vma);
err_vma:
	i915_vma_close(so.vma);
err_obj:
	i915_gem_object_put(so.obj);
	return err;
}

Exemple #4

Fichier : i915_gem_render_state.c Projet : mdamt/linux

int i915_gem_render_state_init(struct intel_engine_cs *engine)
{
	struct intel_render_state *so;
	const struct intel_renderstate_rodata *rodata;
	struct drm_i915_gem_object *obj;
	int ret;

	if (engine->id != RCS)
		return 0;

	rodata = render_state_get_rodata(engine);
	if (!rodata)
		return 0;

	if (rodata->batch_items * 4 > PAGE_SIZE)
		return -EINVAL;

	so = kmalloc(sizeof(*so), GFP_KERNEL);
	if (!so)
		return -ENOMEM;

	obj = i915_gem_object_create_internal(engine->i915, PAGE_SIZE);
	if (IS_ERR(obj)) {
		ret = PTR_ERR(obj);
		goto err_free;
	}

	so->vma = i915_vma_instance(obj, &engine->i915->ggtt.base, NULL);
	if (IS_ERR(so->vma)) {
		ret = PTR_ERR(so->vma);
		goto err_obj;
	}

	so->rodata = rodata;
	engine->render_state = so;
	return 0;

err_obj:
	i915_gem_object_put(obj);
err_free:
	kfree(so);
	return ret;
}