tests: Add basic test for render blits

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4fd7c41..ad8a80a 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -67,6 +67,7 @@ TESTS_progs = \
        gen3_render_tiledy_blits \
        gen3_render_mixed_blits \
        gen3_mixed_blits \
+       gem_render_linear_blits \
        gem_storedw_loop_render \
        gem_storedw_loop_blt \
        gem_storedw_loop_bsd \

diff --git a/tests/gem_render_linear_blits.c b/tests/gem_render_linear_blits.c
new file mode 100644 (file)
index 0000000..8ba24a3
--- /dev/null
+++ b/tests/gem_render_linear_blits.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chris Wilson <chris@chris-wilson.co.uk>
+ *
+ */
+
+/** @file gem_linear_render_blits.c
+ *
+ * This is a test of doing many blits, with a working set
+ * larger than the aperture size.
+ *
+ * The goal is to simply ensure the basics work.
+ */
+
+#include "rendercopy.h"
+
+#define WIDTH 512
+#define STRIDE (WIDTH*4)
+#define HEIGHT 512
+#define SIZE (HEIGHT*STRIDE)
+
+static uint32_t linear[WIDTH*HEIGHT];
+static render_copyfunc_t render_copy;
+
+static void
+check_bo(int fd, uint32_t handle, uint32_t val)
+{
+       int i;
+
+       gem_read(fd, handle, 0, linear, sizeof(linear));
+       for (i = 0; i < WIDTH*HEIGHT; i++) {
+               if (linear[i] != val) {
+                       fprintf(stderr, "Expected 0x%08x, found 0x%08x "
+                               "at offset 0x%08x\n",
+                               val, linear[i], i * 4);
+                       abort();
+               }
+               val++;
+       }
+}
+
+int main(int argc, char **argv)
+{
+       drm_intel_bufmgr *bufmgr;
+       struct intel_batchbuffer *batch;
+       uint32_t *start_val;
+       drm_intel_bo **bo;
+       uint32_t start = 0;
+       int i, j, fd, count;
+
+       fd = drm_open_any();
+
+       render_copy = get_render_copyfunc(intel_get_drm_devid(fd));
+       if (render_copy == NULL) {
+               printf("no render-copy function, doing nothing\n");
+               return 77;
+       }
+
+       bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
+       batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
+
+       count = 0;
+       if (argc > 1)
+               count = atoi(argv[1]);
+       if (count == 0)
+               count = 3 * gem_aperture_size(fd) / SIZE / 2;
+       printf("Using %d 1MiB buffers\n", count);
+
+       bo = malloc(sizeof(*bo)*count);
+       start_val = malloc(sizeof(*start_val)*count);
+
+       for (i = 0; i < count; i++) {
+               bo[i] = drm_intel_bo_alloc(bufmgr, "", SIZE, 4096);
+               start_val[i] = start;
+               for (j = 0; j < WIDTH*HEIGHT; j++)
+                       linear[j] = start++;
+               gem_write(fd, bo[i]->handle, 0, linear, sizeof(linear));
+       }
+
+       printf("Verifying initialisation...\n");
+       for (i = 0; i < count; i++)
+               check_bo(fd, bo[i]->handle, start_val[i]);
+
+       printf("Cyclic blits, forward...\n");
+       for (i = 0; i < count * 4; i++) {
+               struct scratch_buf src, dst;
+
+               src.bo = bo[i % count];
+               src.stride = STRIDE;
+               src.tiling = I915_TILING_NONE;
+               src.size = SIZE;
+
+               dst.bo = bo[(i + 1) % count];
+               dst.stride = STRIDE;
+               dst.tiling = I915_TILING_NONE;
+               dst.size = SIZE;
+
+               render_copy(batch, &src, 0, 0, WIDTH, HEIGHT, &dst, 0, 0);
+               start_val[(i + 1) % count] = start_val[i % count];
+       }
+       for (i = 0; i < count; i++)
+               check_bo(fd, bo[i]->handle, start_val[i]);
+
+       printf("Cyclic blits, backward...\n");
+       for (i = 0; i < count * 4; i++) {
+               struct scratch_buf src, dst;
+
+               src.bo = bo[(i + 1) % count];
+               src.stride = STRIDE;
+               src.tiling = I915_TILING_NONE;
+               src.size = SIZE;
+
+               dst.bo = bo[i % count];
+               dst.stride = STRIDE;
+               dst.tiling = I915_TILING_NONE;
+               dst.size = SIZE;
+
+               render_copy(batch, &src, 0, 0, WIDTH, HEIGHT, &dst, 0, 0);
+               start_val[i % count] = start_val[(i + 1) % count];
+       }
+       for (i = 0; i < count; i++)
+               check_bo(fd, bo[i]->handle, start_val[i]);
+
+       printf("Random blits...\n");
+       for (i = 0; i < count * 4; i++) {
+               struct scratch_buf src, dst;
+               int s = random() % count;
+               int d = random() % count;
+
+               if (s == d)
+                       continue;
+
+               src.bo = bo[s];
+               src.stride = STRIDE;
+               src.tiling = I915_TILING_NONE;
+               src.size = SIZE;
+
+               dst.bo = bo[d];
+               dst.stride = STRIDE;
+               dst.tiling = I915_TILING_NONE;
+               dst.size = SIZE;
+
+               render_copy(batch, &src, 0, 0, WIDTH, HEIGHT, &dst, 0, 0);
+               start_val[d] = start_val[s];
+       }
+       for (i = 0; i < count; i++)
+               check_bo(fd, bo[i]->handle, start_val[i]);
+
+       return 0;
+}