C++ (Cpp) intel_batchbuffer_flush_on_ring示例

示例#1

文件： gem_dummy_reloc_loop.c 项目： jmb82/intel-gpu-tools

static void
dummy_reloc_loop_random_ring(int num_rings)
{
	int i;

	srandom(0xdeadbeef);

	for (i = 0; i < 0x100000; i++) {
		int ring = random() % num_rings + 1;

		BEGIN_BATCH(4, 1);
		if (ring == I915_EXEC_RENDER) {
			OUT_BATCH(MI_COND_BATCH_BUFFER_END | MI_DO_COMPARE);
			OUT_BATCH(0xffffffff); /* compare dword */
			OUT_RELOC(target_buffer, I915_GEM_DOMAIN_RENDER,
					I915_GEM_DOMAIN_RENDER, 0);
			OUT_BATCH(MI_NOOP);
		} else {
			OUT_BATCH(MI_FLUSH_DW | 1);
			OUT_BATCH(0); /* reserved */
			OUT_RELOC(target_buffer, I915_GEM_DOMAIN_RENDER,
					I915_GEM_DOMAIN_RENDER, 0);
			OUT_BATCH(MI_NOOP | (1<<22) | (0xf));
		}
		ADVANCE_BATCH();
		intel_batchbuffer_flush_on_ring(batch, ring);

		drm_intel_bo_map(target_buffer, 0);
		// map to force waiting on rendering
		drm_intel_bo_unmap(target_buffer);
	}
}

示例#2

文件： gem_ring_sync_loop.c 项目： jmb82/intel-gpu-tools

static void
store_dword_loop(int fd)
{
	int i;
	int num_rings = gem_get_num_rings(fd);

	srandom(0xdeadbeef);

	for (i = 0; i < SLOW_QUICK(0x100000, 10); i++) {
		int ring = random() % num_rings + 1;

		if (ring == I915_EXEC_RENDER) {
			BEGIN_BATCH(4, 1);
			OUT_BATCH(MI_COND_BATCH_BUFFER_END | MI_DO_COMPARE);
			OUT_BATCH(0xffffffff); /* compare dword */
			OUT_RELOC(target_buffer, I915_GEM_DOMAIN_RENDER,
					I915_GEM_DOMAIN_RENDER, 0);
			OUT_BATCH(MI_NOOP);
			ADVANCE_BATCH();
		} else {
			BEGIN_BATCH(4, 1);
			OUT_BATCH(MI_FLUSH_DW | 1);
			OUT_BATCH(0); /* reserved */
			OUT_RELOC(target_buffer, I915_GEM_DOMAIN_RENDER,
					I915_GEM_DOMAIN_RENDER, 0);
			OUT_BATCH(MI_NOOP | (1<<22) | (0xf));
			ADVANCE_BATCH();
		}
		intel_batchbuffer_flush_on_ring(batch, ring);
	}

	drm_intel_bo_map(target_buffer, 0);
	// map to force waiting on rendering
	drm_intel_bo_unmap(target_buffer);
}

示例#3

文件： intel_batchbuffer.c 项目： vsyrjala/intel-gpu-tools

void
intel_batchbuffer_flush(struct intel_batchbuffer *batch)
{
	int ring = 0;
	if (HAS_BLT_RING(batch->devid))
		ring = I915_EXEC_BLT;
	intel_batchbuffer_flush_on_ring(batch, ring);
}

示例#4

文件： gem_non_secure_batch.c 项目： vsyrjala/intel-gpu-tools

static void
mi_lri_loop(void)
{
	int i;

	srandom(0xdeadbeef);

	for (i = 0; i < 0x100; i++) {
		int ring = random() % num_rings + 1;

		BEGIN_BATCH(4);
		OUT_BATCH(MI_LOAD_REGISTER_IMM | 1);
		OUT_BATCH(0x203c); /* RENDER RING CTL */
		OUT_BATCH(0); /* try to stop the ring */
		OUT_BATCH(MI_NOOP);
		ADVANCE_BATCH();

		intel_batchbuffer_flush_on_ring(batch, ring);
	}
}