[Piglit] [PATCH 1/2] arb_viewport_array: Test glScissor indexed ignore invalid width/height
Jon Ashburn
jon at lunarg.com
Thu Jan 23 13:06:10 PST 2014
Verify that calling glScissorArrayv, glScissorIndexed, or glScissorIndexedv
with an invalid width (or height) in elements after the first generates
a GL error and does not modify any of the scissor rectangles.
---
tests/spec/arb_viewport_array/CMakeLists.gl.txt | 1 +
tests/spec/arb_viewport_array/scissor_ignore.c | 136 ++++++++++++++++++++++++
2 files changed, 137 insertions(+)
create mode 100644 tests/spec/arb_viewport_array/scissor_ignore.c
diff --git a/tests/spec/arb_viewport_array/CMakeLists.gl.txt b/tests/spec/arb_viewport_array/CMakeLists.gl.txt
index 7cf98ff..de20d42 100644
--- a/tests/spec/arb_viewport_array/CMakeLists.gl.txt
+++ b/tests/spec/arb_viewport_array/CMakeLists.gl.txt
@@ -13,6 +13,7 @@ piglit_add_executable(arb_viewport_array-viewport-indices viewport_indices.c)
piglit_add_executable(arb_viewport_array-depthrange-indices depth_range_indices.c)
piglit_add_executable(arb_viewport_array-scissor-check scissor_check.c)
piglit_add_executable(arb_viewport_array-scissor-indices scissor_indices.c)
+piglit_add_executable(arb_viewport_array-scissor-ignore scissor_ignore.c)
piglit_add_executable(arb_viewport_array-bounds bounds.c)
piglit_add_executable(arb_viewport_array-queries queries.c)
piglit_add_executable(arb_viewport_array-minmax minmax.c)
diff --git a/tests/spec/arb_viewport_array/scissor_ignore.c b/tests/spec/arb_viewport_array/scissor_ignore.c
new file mode 100644
index 0000000..0fd05ff
--- /dev/null
+++ b/tests/spec/arb_viewport_array/scissor_ignore.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright © 2014 LunarG, Inc.
+ *
+ * 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.
+ *
+ * Author: Jon Ashburn <jon at lunarg.com>
+ */
+
+/**
+ * Verify that calling glScissorArrayv, glScissorIndexed, or glScissorIndexedv
+ * with an invalid width (or height) in elements after the first generates
+ * a GL error and does not modify any of the scissor rectangles.
+ */
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 32;
+ config.supports_gl_core_version = 32;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+/* MAX_VIEWPORTS must be at least 16 per SPEC, so use 16 for static array */
+#define MAX_INDICES 16
+
+enum piglit_result
+piglit_display(void)
+{
+ /* should never get here */
+ return PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ bool pass = true;
+ GLint maxVP;
+ int i, idx;
+ GLint sc[4], scGet[4];
+ GLint scInvalid[MAX_INDICES][4] = {
+ {10, 0, -10, 90},
+ {11, 1, 90, -10},
+ {12, 2, -90, -10},
+ {13, 3, -70, -80},
+ {14, 4, 80, -70},
+ {15, 5, -70, 80},
+ {16, 6, 15, -15},
+ {17, 7, -15, -15},
+ {18, 9, -15, 15},
+ {10, 11, 0, -30},
+ {12, 13, -30, 0},
+ {14, 15, 60, -1},
+ {16, 17, -1, 60},
+ {0, 0, -60, -1},
+ {-1, -1, -1, -1},
+ {-2, -2, 0, -2}};
+
+ piglit_require_extension("GL_ARB_viewport_array");
+
+ glGetIntegerv(GL_MAX_VIEWPORTS, &maxVP);
+
+ /* intialize Scissor left, bottom, width, height for all indices */
+ for (i = 0; i < maxVP; i++) {
+ sc[0] = 0 + i;
+ sc[1] = maxVP + i;
+ sc[2] = 100 + i;
+ sc[3] = 100 + maxVP + i;
+ glScissorIndexedv(i, sc);
+ glEnablei(GL_SCISSOR_TEST, i);
+ }
+ pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+ /* set scissor values with illegal width or height */
+ glScissorArrayv(0, maxVP, &(scInvalid[0][0]));
+ pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
+ for (i = 0; i < maxVP; i++) {
+ idx = i % MAX_INDICES;
+ glScissorIndexedv(i, &(scInvalid[idx][0]));
+ pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
+ glScissorIndexed(i, scInvalid[idx][0], scInvalid[idx][1],
+ scInvalid[idx][2], scInvalid[idx][3]);
+ pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
+ }
+
+ /* check that scissor rectangle with invalid width/height got ignored */
+ for (i = 0; i < maxVP; i++) {
+ sc[0] = 0 + i;
+ sc[1] = maxVP + i;
+ sc[2] = 100 + i;
+ sc[3] = 100 + maxVP + i;
+ glGetIntegeri_v(GL_SCISSOR_BOX, i, scGet);
+ if (sc[0] != scGet[0]) {
+ pass = false;
+ printf("scissor left value wrong for idx %d, got %d\n",
+ i, scGet[0]);
+ }
+ if (sc[1] != scGet[1]) {
+ pass = false;
+ printf("scissor bottom value wrong for idx %d, got %d\n",
+ i, scGet[1]);
+ }
+ if (sc[2] != scGet[2]) {
+ pass = false;
+ printf("scissor width value wrong for idx %d, got %d\n",
+ i, scGet[2]);
+ }
+ if (sc[3] != scGet[3]) {
+ pass = false;
+ printf("scissor height value wrong for idx %d, got %d\n",
+ i, scGet[3]);
+ }
+ }
+
+ pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
--
1.8.1.2
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