[Piglit] [PATCH 7/7] copypixels-sync: New test for i965 IRQ handling bug.

[Eric Anholt]

---
 tests/all.tests                 |    1 +
 tests/general/CMakeLists.gl.txt |    1 +
 tests/general/copypixels-sync.c |   79 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+), 0 deletions(-)
 create mode 100644 tests/general/copypixels-sync.c

diff --git a/tests/all.tests b/tests/all.tests
index a18cbfe..0c22a0a 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -177,6 +177,7 @@ add_plain_test(general, 'bgra-vert-attrib-pointer')
 add_plain_test(general, 'blendminmax')
 add_plain_test(general, 'blendsquare')
 add_plain_test(general, 'clear-varray-2.0')
+add_plain_test(general, 'copypixels-sync')
 add_plain_test(general, 'depthrange-clear')
 add_plain_test(general, 'depth_clamp')
 add_plain_test(general, 'depth-clamp-range')
diff --git a/tests/general/CMakeLists.gl.txt b/tests/general/CMakeLists.gl.txt
index 66d65a0..3de0d2a 100644
--- a/tests/general/CMakeLists.gl.txt
+++ b/tests/general/CMakeLists.gl.txt
@@ -18,6 +18,7 @@ add_executable (bgra-sec-color-pointer bgra-sec-color-pointer.c)
 add_executable (blendminmax blendminmax.c)
 add_executable (blendsquare blendsquare.c)
 add_executable (clear-varray-2.0 clear-varray-2.0.c)
+add_executable (copypixels-sync copypixels-sync.c)
 add_executable (depth-clamp-range depth-clamp-range.c)
 add_executable (dlist-clear dlist-clear.c)
 add_executable (dlist-fdo3129-01 dlist-fdo3129-01.c)
diff --git a/tests/general/copypixels-sync.c b/tests/general/copypixels-sync.c
new file mode 100644
index 0000000..9a13628
--- /dev/null
+++ b/tests/general/copypixels-sync.c
@@ -0,0 +1,79 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file copypixels-sync.c
+ *
+ * Test repeated readback of small glCopyPixels calls.  This stresses
+ * blit ring IRQ handling on the i965 driver.
+ */
+
+#include "piglit-util.h"
+#include "piglit-framework.h"
+
+int piglit_width = 64;
+int piglit_height = 64;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE | GLUT_ALPHA;
+
+enum piglit_result
+piglit_display(void)
+{
+	int x, y;
+	float green[4] = {0.0, 1.0, 0.0, 0.0};
+	bool pass = true;
+
+	piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+
+	glClearColor(1.0, 0.0, 0.0, 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glColor4fv(green);
+	piglit_draw_rect(0, 0, 1, 1);
+
+	for (y = 0; y < piglit_height; y++) {
+		for (x = 0; x < piglit_width; x++) {
+			if (x == 0 && y == 0)
+				continue;
+
+			glRasterPos2i(x, y);
+			if (x != 0) {
+				glCopyPixels(x - 1, y, 1, 1, GL_COLOR);
+			} else {
+				glCopyPixels(piglit_width - 1, y - 1, 1, 1,
+					     GL_COLOR);
+			}
+
+			pass = pass && piglit_probe_pixel_rgba(x, y, green);
+		}
+	}
+
+	glutSwapBuffers();
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+}
-- 
1.7.5.1