[Piglit] [PATCH 3/6] arb_copy_image/srgb-copy: test an NVIDIA GL_ARB_copy_image / sRGB bug
Brian Paul
brianp at vmware.com
Tue Oct 28 08:00:21 PDT 2014
From: Shibdas Bandyopadhyay <sbandyopadhyay at vmware.com>
---
tests/all.py | 2 +-
tests/spec/arb_copy_image/CMakeLists.gl.txt | 1 +
tests/spec/arb_copy_image/srgb-copy.c | 127 +++++++++++++++++++++++++++
3 files changed, 129 insertions(+), 1 deletion(-)
create mode 100644 tests/spec/arb_copy_image/srgb-copy.c
diff --git a/tests/all.py b/tests/all.py
index 7e5ad07..e64389f 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3438,7 +3438,7 @@ spec['ARB_copy_image'] = arb_copy_image
add_concurrent_test(arb_copy_image, 'arb_copy_image-simple --tex-to-tex')
add_concurrent_test(arb_copy_image, 'arb_copy_image-simple --rb-to-tex')
add_concurrent_test(arb_copy_image, 'arb_copy_image-simple --rb-to-rb')
-
+add_concurrent_test(arb_copy_image, 'arb_copy_image-srgb-copy')
add_concurrent_test(arb_copy_image, 'arb_copy_image-targets GL_TEXTURE_1D 32 1 1 GL_TEXTURE_1D 32 1 1 11 0 0 5 0 0 14 1 1')
add_concurrent_test(arb_copy_image, 'arb_copy_image-targets GL_TEXTURE_1D 32 1 1 GL_TEXTURE_1D_ARRAY 32 1 12 11 0 0 5 0 9 14 1 1')
add_concurrent_test(arb_copy_image, 'arb_copy_image-targets GL_TEXTURE_1D 32 1 1 GL_TEXTURE_2D 32 32 1 11 0 0 5 13 0 14 1 1')
diff --git a/tests/spec/arb_copy_image/CMakeLists.gl.txt b/tests/spec/arb_copy_image/CMakeLists.gl.txt
index fbe259f..f1a59e3 100644
--- a/tests/spec/arb_copy_image/CMakeLists.gl.txt
+++ b/tests/spec/arb_copy_image/CMakeLists.gl.txt
@@ -12,5 +12,6 @@ piglit_add_executable (arb_copy_image-simple simple.c)
piglit_add_executable (arb_copy_image-api_errors api_errors.c)
piglit_add_executable (arb_copy_image-targets targets.c)
piglit_add_executable (arb_copy_image-formats formats.c)
+piglit_add_executable (arb_copy_image-srgb-copy srgb-copy.c)
# vim: ft=cmake:
diff --git a/tests/spec/arb_copy_image/srgb-copy.c b/tests/spec/arb_copy_image/srgb-copy.c
new file mode 100644
index 0000000..87fc54e
--- /dev/null
+++ b/tests/spec/arb_copy_image/srgb-copy.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2014 VMware, 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL VMWARE AND/OR THEIR SUPPLIERS
+ * 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.
+ */
+
+
+/**
+ * This test exercises an NVIDIA driver bug where copying from
+ * a sRGBA texture to another RGBA texture using ARB_copy_image
+ * followed by a GetTexImage() on the RGBA texture results in
+ * swapping of red and blue channels.
+ *
+ * Known to be
+ * -- Present in : Nvidia GTX 650, driver - 319.32
+ * -- Fixed in :
+ */
+
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+ config.supports_gl_compat_version = 15;
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA;
+PIGLIT_GL_TEST_CONFIG_END
+
+
+#define TEX_WIDTH 32
+#define TEX_HEIGHT 32
+#define TEX_NUMPIXELS (TEX_WIDTH * TEX_HEIGHT)
+
+#define RED 0xFF0000FF
+#define GRAY 0x7F7F7FFF
+
+
+static bool
+test_srgb_copy(void)
+{
+ GLenum target = GL_TEXTURE_2D;
+ GLuint texData[TEX_NUMPIXELS];
+ GLuint texRGBA, texSRGBA, i;
+
+ /* init tex data */
+ for (i = 0; i < TEX_NUMPIXELS; ++i) {
+ texData[i] = RED;
+ }
+
+ /* Create sRGBA texture */
+ glGenTextures(1, &texSRGBA);
+ glActiveTextureARB(GL_TEXTURE0);
+ glBindTexture(target, texSRGBA);
+ glTexStorage2D(target, 1, GL_SRGB8_ALPHA8, TEX_WIDTH, TEX_HEIGHT);
+ glTexSubImage2D(target, 0, 0, 0, TEX_WIDTH, TEX_HEIGHT,
+ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, texData);
+
+ /* Create RGB texture */
+ glGenTextures(1, &texRGBA);
+ glBindTexture(target, texRGBA);
+ glTexStorage2D(target, 1, GL_RGBA8, TEX_WIDTH, TEX_HEIGHT);
+
+ /* Copy data from sRGBA to RGBA texture using arb_copy_image */
+ glCopyImageSubData(texSRGBA, target, 0, 0, 0, 0,
+ texRGBA, target, 0, 0, 0, 0,
+ TEX_WIDTH, TEX_HEIGHT, 1);
+
+ /* reset texData to gray */
+ for (i = 0; i < TEX_NUMPIXELS; ++i) {
+ texData[i] = GRAY;
+ }
+
+ /* Get tex image data from the RGBA texture */
+ glGetTexImage(target, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, texData);
+
+ if (texData[0] != RED) {
+ printf("Expected 0x%08x but found 0x%08x \n",
+ RED, texData[0]);
+ /* clean up */
+ glDeleteTextures(1, &texSRGBA);
+ glDeleteTextures(1, &texRGBA);
+ return false;
+ }
+
+ /* should have been no errors */
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ return false;
+
+ /* if we get here, we passed */
+ glDeleteTextures(1, &texSRGBA);
+ glDeleteTextures(1, &texRGBA);
+ return true;
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+ bool pass = test_srgb_copy();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+
+void
+piglit_init(int argc, char *argv[])
+{
+ piglit_require_extension("GL_ARB_copy_image");
+ piglit_require_extension("GL_ARB_texture_storage");
+ piglit_require_extension("GL_EXT_texture_sRGB");
+}
--
1.7.10.4
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