tests: add kms_render

Add a test going through all connectors/crtcs/modes/formats painting to
a front FB with CPU or painting to a back FB with CPU and blitting it
to the front FB.

Only formats understood by cairo are supported for now.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>

lib/drmtest.c

@@ -842,8 +842,8 @@ static int create_bo_for_fb(int fd, int width, int height, int bpp,
 	return 0;
 }
 
-static void
-paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
+void
+kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
 		     int r, int g, int b)
 {
 	cairo_pattern_t *pat;
@@ -869,16 +869,16 @@ paint_test_patterns(cairo_t *cr, int width, int height)
 	gr_height = height * 0.08;
 	x = (width / 2) - (gr_width / 2);
 
-	paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 0, 0);
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 0, 0);
 
 	y += gr_height;
-	paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 1, 0);
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 1, 0);
 
 	y += gr_height;
-	paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 0, 1);
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 0, 0, 1);
 
 	y += gr_height;
-	paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 1, 1);
+	kmstest_paint_color_gradient(cr, x, y, gr_width, gr_height, 1, 1, 1);
 }
 
 int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
@@ -1025,6 +1025,55 @@ unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,
 	return fb->fb_id;
 }
 
+static uint32_t drm_format_to_bpp(uint32_t drm_format)
+{
+	struct format_desc_struct *f;
+
+	for_each_format(f)
+		if (f->drm_id == drm_format)
+			return f->bpp;
+
+	abort();
+}
+
+unsigned int kmstest_create_fb2(int fd, int width, int height, uint32_t format,
+			        bool tiled, struct kmstest_fb *fb)
+{
+	uint32_t handles[4];
+	uint32_t pitches[4];
+	uint32_t offsets[4];
+	uint32_t fb_id;
+	int bpp;
+	int ret;
+
+	memset(fb, 0, sizeof(*fb));
+
+	bpp = drm_format_to_bpp(format);
+	ret = create_bo_for_fb(fd, width, height, bpp, tiled, &fb->gem_handle,
+			      &fb->size, &fb->stride);
+	if (ret < 0)
+		return ret;
+
+	memset(handles, 0, sizeof(handles));
+	handles[0] = fb->gem_handle;
+	memset(pitches, 0, sizeof(pitches));
+	pitches[0] = fb->stride;
+	memset(offsets, 0, sizeof(offsets));
+	if (drmModeAddFB2(fd, width, height, format, handles, pitches,
+			  offsets, &fb_id, 0) < 0) {
+		gem_close(fd, fb->gem_handle);
+
+		return 0;
+	}
+
+	fb->width = width;
+	fb->height = height;
+	fb->drm_format = format;
+	fb->fb_id = fb_id;
+
+	return fb_id;
+}
+
 static cairo_format_t drm_format_to_cairo(uint32_t drm_format)
 {
 	struct format_desc_struct *f;
@@ -1075,6 +1124,46 @@ void kmstest_remove_fb(int fd, struct kmstest_fb *fb)
 	gem_close(fd, fb->gem_handle);
 }
 
+const char *kmstest_format_str(uint32_t drm_format)
+{
+	struct format_desc_struct *f;
+
+	for_each_format(f)
+		if (f->drm_id == drm_format)
+			return f->name;
+
+	return "invalid";
+}
+
+const char *kmstest_pipe_str(int pipe)
+{
+	const char *str[] = { "A", "B", "C" };
+
+	if (pipe > 2)
+		return "invalid";
+
+	return str[pipe];
+}
+
+void kmstest_get_all_formats(const uint32_t **formats, int *format_count)
+{
+	static uint32_t *drm_formats;
+
+	if (!drm_formats) {
+		struct format_desc_struct *f;
+		uint32_t *format;
+
+		drm_formats = calloc(ARRAY_SIZE(format_desc),
+				     sizeof(*drm_formats));
+		format = &drm_formats[0];
+		for_each_format(f)
+			*format++ = f->drm_id;
+	}
+
+	*formats = drm_formats;
+	*format_count = ARRAY_SIZE(format_desc);
+}
+
 struct type_name {
 	int type;
 	const char *name;

lib/drmtest.h

@@ -144,11 +144,18 @@ int kmstest_cairo_printf_line(cairo_t *cr, enum kmstest_text_align align,
 unsigned int kmstest_create_fb(int fd, int width, int height, int bpp,
 			       int depth, bool tiled,
 			       struct kmstest_fb *fb_info);
+unsigned int kmstest_create_fb2(int fd, int width, int height, uint32_t format,
+			        bool tiled, struct kmstest_fb *fb);
 void kmstest_remove_fb(int fd, struct kmstest_fb *fb_info);
 cairo_t *kmstest_get_cairo_ctx(int fd, struct kmstest_fb *fb);
+void kmstest_paint_color_gradient(cairo_t *cr, int x, int y, int w, int h,
+				  int r, int g, int b);
 void kmstest_paint_test_pattern(cairo_t *cr, int width, int height);
 void kmstest_dump_mode(drmModeModeInfo *mode);
 int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id);
+const char *kmstest_format_str(uint32_t drm_format);
+const char *kmstest_pipe_str(int pipe);
+void kmstest_get_all_formats(const uint32_t **formats, int *format_count);
 const char *kmstest_encoder_type_str(int type);
 const char *kmstest_connector_status_str(int type);
 const char *kmstest_connector_type_str(int type);

tests/.gitignore

@@ -85,6 +85,7 @@ getclient
 getstats
 getversion
 kms_flip
+kms_render
 prime_nv_api
 prime_nv_pcopy
 prime_nv_test

tests/Makefile.am

@@ -33,6 +33,7 @@ TESTS_progs_M = \
 	gem_tiled_partial_pwrite_pread \
 	$(NOUVEAU_TESTS_M) \
 	kms_flip \
+	kms_render \
 	prime_self_import \
 	$(NULL)
 

tests/kms_render.c

@@ -0,0 +1,245 @@
+/*
+ * 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 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:
+ *    Imre Deak <imre.deak@intel.com>
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <assert.h>
+#include <cairo.h>
+#include <errno.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+#include "drmtest.h"
+#include "testdisplay.h"
+#include "intel_bufmgr.h"
+#include "intel_batchbuffer.h"
+#include "intel_gpu_tools.h"
+
+drmModeRes *resources;
+int drm_fd;
+static drm_intel_bufmgr *bufmgr;
+struct intel_batchbuffer *batch;
+uint32_t devid;
+
+enum test_flags {
+	TEST_DIRECT_RENDER	= 0x01,
+	TEST_GPU_BLIT		= 0x02,
+};
+
+static int paint_fb(struct kmstest_fb *fb, const char *test_name,
+		    const char *mode_format_str, const char *cconf_str)
+{
+	cairo_t *cr;
+
+	cr = kmstest_get_cairo_ctx(drm_fd, fb);
+	if (!cr)
+		return -1;
+
+	kmstest_paint_color_gradient(cr, 0, 0, fb->width, fb->height, 1, 1, 1);
+	kmstest_paint_test_pattern(cr, fb->width, fb->height);
+
+	cairo_select_font_face(cr, "Helvetica", CAIRO_FONT_SLANT_NORMAL,
+			       CAIRO_FONT_WEIGHT_NORMAL);
+	cairo_move_to(cr, fb->width / 2, fb->height / 2);
+	cairo_set_font_size(cr, 36);
+	kmstest_cairo_printf_line(cr, align_hcenter, 10, "%s", test_name);
+	kmstest_cairo_printf_line(cr, align_hcenter, 10, "%s", mode_format_str);
+	kmstest_cairo_printf_line(cr, align_hcenter, 10, "%s", cconf_str);
+
+	return 0;
+}
+
+static void gpu_blit(struct kmstest_fb *dst_fb, struct kmstest_fb *src_fb)
+{
+	drm_intel_bo *dst_bo;
+	drm_intel_bo *src_bo;
+
+	dst_bo = gem_handle_to_libdrm_bo(bufmgr, drm_fd, "destination",
+					 dst_fb->gem_handle);
+	assert(dst_bo);
+	src_bo = gem_handle_to_libdrm_bo(bufmgr, drm_fd, "source",
+					 src_fb->gem_handle);
+	assert(src_bo);
+
+	intel_copy_bo(batch, dst_bo, src_bo, src_fb->width, src_fb->height);
+	intel_batchbuffer_flush(batch);
+	gem_quiescent_gpu(drm_fd);
+
+	drm_intel_bo_unreference(src_bo);
+	drm_intel_bo_unreference(dst_bo);
+}
+
+static int test_format(const char *test_name,
+		       struct kmstest_connector_config *cconf,
+		       drmModeModeInfo *mode, uint32_t format,
+		       enum test_flags flags)
+{
+	int width;
+	int height;
+	struct kmstest_fb fb[2];
+	char *mode_format_str;
+	char *cconf_str;
+	int ret;
+
+	ret = asprintf(&mode_format_str, "%s @ %dHz / %s",
+		 mode->name, mode->vrefresh, kmstest_format_str(format));
+	assert(ret > 0);
+	ret = asprintf(&cconf_str, "pipe %s, encoder %s, connector %s",
+		       kmstest_pipe_str(cconf->pipe),
+		       kmstest_encoder_type_str(cconf->encoder->encoder_type),
+		       kmstest_connector_type_str(cconf->connector->connector_type));
+	assert(ret > 0);
+
+	printf("Beginning test %s with %s on %s\n",
+		test_name, mode_format_str, cconf_str);
+
+	width = mode->hdisplay;
+	height = mode->vdisplay;
+
+	if (!kmstest_create_fb2(drm_fd, width, height, format, false, &fb[0]))
+		goto err1;
+
+	if (!kmstest_create_fb2(drm_fd, width, height, format, false, &fb[1]))
+		goto err2;
+
+	do_or_die(drmModeSetCrtc(drm_fd, cconf->crtc->crtc_id, fb[0].fb_id,
+				 0, 0, &cconf->connector->connector_id, 1,
+				 mode));
+	do_or_die(drmModePageFlip(drm_fd, cconf->crtc->crtc_id, fb[0].fb_id,
+				  0, NULL));
+	sleep(2);
+
+	if (flags & TEST_DIRECT_RENDER) {
+		paint_fb(&fb[0], test_name, mode_format_str, cconf_str);
+	} else if (flags & TEST_GPU_BLIT) {
+		paint_fb(&fb[1], test_name, mode_format_str, cconf_str);
+		gpu_blit(&fb[0], &fb[1]);
+	}
+	sleep(5);
+
+	printf("Test %s with %s on %s: PASSED\n",
+		test_name, mode_format_str, cconf_str);
+	free(mode_format_str);
+	free(cconf_str);
+
+	kmstest_remove_fb(drm_fd, &fb[1]);
+	kmstest_remove_fb(drm_fd, &fb[0]);
+
+	return 0;
+
+err2:
+	kmstest_remove_fb(drm_fd, &fb[0]);
+err1:
+	fprintf(stderr, "skip testing unsupported format %s\n",
+		kmstest_format_str(format));
+
+	return -1;
+}
+
+static void test_connector(const char *test_name,
+			   struct kmstest_connector_config *cconf,
+			   enum test_flags flags)
+{
+	const uint32_t *formats;
+	int format_count;
+	int i;
+
+	kmstest_get_all_formats(&formats, &format_count);
+	for (i = 0; i < cconf->connector->count_modes; i++) {
+		int j;
+
+		for (j = 0; j < format_count; j++)
+			test_format(test_name,
+				    cconf, &cconf->connector->modes[i],
+				    formats[j], flags);
+	}
+}
+
+static int run_test(const char *test_name, enum test_flags flags)
+{
+	int i;
+
+	resources = drmModeGetResources(drm_fd);
+	assert(resources);
+
+	/* Find any connected displays */
+	for (i = 0; i < resources->count_connectors; i++) {
+		uint32_t connector_id;
+		int j;
+
+		connector_id = resources->connectors[i];
+		for (j = 0; j < resources->count_crtcs; j++) {
+			struct kmstest_connector_config cconf;
+			int ret;
+
+			ret = kmstest_get_connector_config(drm_fd, connector_id,
+							   1 << j, &cconf);
+			if (ret < 0)
+				continue;
+
+			test_connector(test_name, &cconf, flags);
+
+			kmstest_free_connector_config(&cconf);
+		}
+	}
+
+	drmModeFreeResources(resources);
+
+	return 1;
+}
+
+int main(int argc, char **argv)
+{
+	struct {
+		enum test_flags flags;
+		const char *name;
+	} tests[] = {
+		{ TEST_DIRECT_RENDER,	"direct-render" },
+		{ TEST_GPU_BLIT,	"gpu-blit" },
+	};
+	int i;
+
+	drmtest_subtest_init(argc, argv);
+
+	if (!drmtest_only_list_subtests()) {
+		drm_fd = drm_open_any();
+
+		bufmgr = drm_intel_bufmgr_gem_init(drm_fd, 4096);
+		devid = intel_get_drm_devid(drm_fd);
+		batch = intel_batchbuffer_alloc(bufmgr, devid);
+
+		do_or_die(drmtest_set_vt_graphics_mode());
+	}
+
+	for (i = 0; i < ARRAY_SIZE(tests); i++) {
+		if (drmtest_run_subtest(tests[i].name))
+			run_test(tests[i].name, tests[i].flags);
+	}
+
+	if (!drmtest_only_list_subtests())
+		close(drm_fd);
+
+	return 0;
+}