[igt-dev] [PATCH i-g-t 3/3] tests/gem_render_copy: Add compressed src to compressed dst subtests

[Imre Deak <imre.deak@intel.com>]

Add new subtests that blit from a compressed source to a compressed
destination buffer.

Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Brian Welty <brian.welty@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 tests/i915/gem_render_copy.c | 126 ++++++++++++++++++++++++++---------
 1 file changed, 93 insertions(+), 33 deletions(-)

diff --git a/tests/i915/gem_render_copy.c b/tests/i915/gem_render_copy.c
index 33a8404b..b4671c30 100644
--- a/tests/i915/gem_render_copy.c
+++ b/tests/i915/gem_render_copy.c
@@ -570,9 +570,13 @@ static void scratch_buf_aux_check(data_t *data,
 		     "Aux surface indicates that nothing was compressed\n");
 }
 
-static void test(data_t *data, uint32_t tiling, uint64_t ccs_modifier)
+#define DST_COMPRESSED	1
+#define SRC_COMPRESSED	2
+
+static void test(data_t *data, uint32_t dst_tiling, uint32_t src_tiling,
+		 int flags)
 {
-	struct igt_buf dst, ccs, ref;
+	struct igt_buf dst, src_ccs, dst_ccs, ref;
 	struct {
 		struct igt_buf buf;
 		const char *filename;
@@ -600,22 +604,34 @@ static void test(data_t *data, uint32_t tiling, uint64_t ccs_modifier)
 			.x = 1, .y = 1,
 		},
 	};
-
 	int opt_dump_aub = igt_aub_dump_enabled();
 	int num_src = ARRAY_SIZE(src);
+	bool src_compressed = flags & SRC_COMPRESSED;
+	bool dst_compressed = flags & DST_COMPRESSED;
+
+	/*
+	 * The tiling for uncompressed source buffers is determined by the
+	 * tiling of the src[] buffers above.
+	 */
+	igt_assert(!src_tiling || src_compressed);
 
 	/* no Yf before gen9 */
 	if (intel_gen(data->devid) < 9)
 		num_src--;
 
-	if (tiling == I915_TILING_Yf || ccs_modifier)
+	if (dst_tiling == I915_TILING_Yf || src_tiling == I915_TILING_Yf ||
+	    src_compressed || dst_compressed)
 		igt_require(intel_gen(data->devid) >= 9);
 
 	for (int i = 0; i < num_src; i++)
 		scratch_buf_init(data, &src[i].buf, WIDTH, HEIGHT, src[i].tiling, false);
-	scratch_buf_init(data, &dst, WIDTH, HEIGHT, tiling, false);
-	if (ccs_modifier)
-		scratch_buf_init(data, &ccs, WIDTH, HEIGHT, ccs_modifier, true);
+	scratch_buf_init(data, &dst, WIDTH, HEIGHT, dst_tiling, false);
+	if (src_compressed)
+		scratch_buf_init(data, &src_ccs, WIDTH, HEIGHT,
+				 src_tiling, true);
+	if (dst_compressed)
+		scratch_buf_init(data, &dst_ccs, WIDTH, HEIGHT,
+				 dst_tiling, true);
 	scratch_buf_init(data, &ref, WIDTH, HEIGHT, I915_TILING_NONE, false);
 
 	for (int i = 0; i < num_src; i++)
@@ -655,26 +671,45 @@ static void test(data_t *data, uint32_t tiling, uint64_t ccs_modifier)
 	 *	 |dst|src|
 	 *	  -------
 	 */
-	if (ccs_modifier)
+	if (src_compressed)
 		data->render_copy(data->batch, NULL,
 				  &dst, 0, 0, WIDTH, HEIGHT,
-				  &ccs, 0, 0);
+				  &src_ccs, 0, 0);
 
 	for (int i = 0; i < num_src; i++)
 		data->render_copy(data->batch, NULL,
-				  &src[i].buf, WIDTH/4, HEIGHT/4, WIDTH/2-2, HEIGHT/2-2,
-				  ccs_modifier ? &ccs : &dst, src[i].x, src[i].y);
+				  &src[i].buf,
+				  WIDTH/4, HEIGHT/4, WIDTH/2-2, HEIGHT/2-2,
+				  src_compressed ? &src_ccs : &dst,
+				  src[i].x, src[i].y);
+
+	if (src_compressed || dst_compressed)
+		data->render_copy(data->batch, NULL,
+				  src_compressed ? &src_ccs : &dst,
+				  0, 0, WIDTH, HEIGHT,
+				  dst_compressed ? &dst_ccs : &dst,
+				  0, 0);
 
-	if (ccs_modifier)
+	if (dst_compressed)
 		data->render_copy(data->batch, NULL,
-				  &ccs, 0, 0, WIDTH, HEIGHT,
-				  &dst, 0, 0);
+				  &dst_ccs,
+				  0, 0, WIDTH, HEIGHT,
+				  &dst,
+				  0, 0);
 
 	if (opt_dump_png){
 		scratch_buf_write_to_png(data, &dst, "result.png");
-		if (ccs_modifier) {
-			scratch_buf_write_to_png(data, &ccs, "compressed.png");
-			scratch_buf_aux_write_to_png(data, &ccs, "compressed-aux.png");
+		if (src_compressed) {
+			scratch_buf_write_to_png(data, &src_ccs,
+						 "compressed-src.png");
+			scratch_buf_aux_write_to_png(data, &src_ccs,
+						     "compressed-src-aux.png");
+		}
+		if (dst_compressed) {
+			scratch_buf_write_to_png(data, &src_ccs,
+						 "compressed-dst.png");
+			scratch_buf_aux_write_to_png(data, &src_ccs,
+						     "compressed-dst-aux.png");
 		}
 	}
 
@@ -692,12 +727,16 @@ static void test(data_t *data, uint32_t tiling, uint64_t ccs_modifier)
 		scratch_buf_check(data, &dst, &ref, WIDTH - 10, HEIGHT - 10);
 	}
 
-	if (ccs_modifier)
-		scratch_buf_aux_check(data, &ccs);
+	if (src_compressed)
+		scratch_buf_aux_check(data, &src_ccs);
+	if (dst_compressed)
+		scratch_buf_aux_check(data, &dst_ccs);
 
 	scratch_buf_fini(&ref);
-	if (ccs_modifier)
-		scratch_buf_fini(&ccs);
+	if (dst_compressed)
+		scratch_buf_fini(&dst_ccs);
+	if (src_compressed)
+		scratch_buf_fini(&src_ccs);
 	scratch_buf_fini(&dst);
 	for (int i = 0; i < num_src; i++)
 		scratch_buf_fini(&src[i].buf);
@@ -747,31 +786,52 @@ igt_main_args("da", NULL, help_str, opt_handler, NULL)
 	}
 
 	igt_subtest("linear")
-		test(&data, I915_TILING_NONE, 0);
+		test(&data, I915_TILING_NONE, 0, 0);
 	igt_subtest("x-tiled")
-		test(&data, I915_TILING_X, 0);
+		test(&data, I915_TILING_X, 0, 0);
 	igt_subtest("y-tiled")
-		test(&data, I915_TILING_Y, 0);
+		test(&data, I915_TILING_Y, 0, 0);
 	igt_subtest("yf-tiled")
-		test(&data, I915_TILING_Yf, 0);
+		test(&data, I915_TILING_Yf, 0, 0);
 
 	igt_subtest("y-tiled-ccs-to-linear")
-		test(&data, I915_TILING_NONE, I915_TILING_Y);
+		test(&data, I915_TILING_NONE, I915_TILING_Y,
+		     SRC_COMPRESSED);
 	igt_subtest("y-tiled-ccs-to-x-tiled")
-		test(&data, I915_TILING_X, I915_TILING_Y);
+		test(&data, I915_TILING_X, I915_TILING_Y,
+		     SRC_COMPRESSED);
 	igt_subtest("y-tiled-ccs-to-y-tiled")
-		test(&data, I915_TILING_Y, I915_TILING_Y);
+		test(&data, I915_TILING_Y, I915_TILING_Y,
+		     SRC_COMPRESSED);
 	igt_subtest("y-tiled-ccs-to-yf-tiled")
-		test(&data, I915_TILING_Yf, I915_TILING_Y);
+		test(&data, I915_TILING_Yf, I915_TILING_Y,
+		     SRC_COMPRESSED);
 
 	igt_subtest("yf-tiled-ccs-to-linear")
-		test(&data, I915_TILING_NONE, I915_TILING_Yf);
+		test(&data, I915_TILING_NONE, I915_TILING_Yf,
+		     SRC_COMPRESSED);
 	igt_subtest("yf-tiled-ccs-to-x-tiled")
-		test(&data, I915_TILING_X, I915_TILING_Yf);
+		test(&data, I915_TILING_X, I915_TILING_Yf,
+		     SRC_COMPRESSED);
 	igt_subtest("yf-tiled-ccs-to-y-tiled")
-		test(&data, I915_TILING_Y, I915_TILING_Yf);
+		test(&data, I915_TILING_Y, I915_TILING_Yf,
+		     SRC_COMPRESSED);
 	igt_subtest("yf-tiled-ccs-to-yf-tiled")
-		test(&data, I915_TILING_Yf, I915_TILING_Yf);
+		test(&data, I915_TILING_Yf, I915_TILING_Yf,
+		     SRC_COMPRESSED);
+
+	igt_subtest("y-tiled-ccs-to-y-tiled-ccs")
+		test(&data, I915_TILING_Y, I915_TILING_Y,
+		     SRC_COMPRESSED | DST_COMPRESSED);
+	igt_subtest("yf-tiled-ccs-to-yf-tiled-ccs")
+		test(&data, I915_TILING_Yf, I915_TILING_Yf,
+		     SRC_COMPRESSED | DST_COMPRESSED);
+	igt_subtest("y-tiled-ccs-to-yf-tiled-ccs")
+		test(&data, I915_TILING_Yf, I915_TILING_Y,
+		     SRC_COMPRESSED | DST_COMPRESSED);
+	igt_subtest("yf-tiled-ccs-to-y-tiled-ccs")
+		test(&data, I915_TILING_Y, I915_TILING_Yf,
+		     SRC_COMPRESSED | DST_COMPRESSED);
 
 	igt_fixture {
 		igt_stop_hang_detector();
-- 
2.17.1

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