Exercises an NVIDIA driver bug related to glGetTexImage and sRGB texture views. --- tests/all.tests | 1 + tests/spec/arb_texture_view/CMakeLists.gl.txt | 1 + tests/spec/arb_texture_view/getteximage-srgb.c | 119 ++++++++++++++++++++++++ 3 files changed, 121 insertions(+) create mode 100644 tests/spec/arb_texture_view/getteximage-srgb.c
diff --git a/tests/all.tests b/tests/all.tests index 1e632e7..2e88de4 100644 --- a/tests/all.tests +++ b/tests/all.tests @@ -1559,6 +1559,7 @@ arb_texture_view['queries'] = concurrent_test('arb_texture_view-queries') arb_texture_view['rendering-target'] = concurrent_test('arb_texture_view-rendering-target') arb_texture_view['rendering-levels'] = concurrent_test('arb_texture_view-rendering-levels') arb_texture_view['lifetime-format'] = concurrent_test('arb_texture_view-lifetime-format') +arb_texture_view['getteximage-srgb'] = concurrent_test('arb_texture_view-getteximage-srgb') tdfx_texture_compression_fxt1 = Group() spec['3DFX_texture_compression_FXT1'] = tdfx_texture_compression_fxt1 diff --git a/tests/spec/arb_texture_view/CMakeLists.gl.txt b/tests/spec/arb_texture_view/CMakeLists.gl.txt index bce50c3..cad7500 100644 --- a/tests/spec/arb_texture_view/CMakeLists.gl.txt +++ b/tests/spec/arb_texture_view/CMakeLists.gl.txt @@ -9,6 +9,7 @@ link_libraries( ${OPENGL_glu_LIBRARY} ) +piglit_add_executable(arb_texture_view-getteximage-srgb getteximage-srgb.c) piglit_add_executable(arb_texture_view-texture-immutable-levels texture-immutable-levels.c) piglit_add_executable(arb_texture_view-params params.c) piglit_add_executable(arb_texture_view-formats formats.c common.c) diff --git a/tests/spec/arb_texture_view/getteximage-srgb.c b/tests/spec/arb_texture_view/getteximage-srgb.c new file mode 100644 index 0000000..9086a42 --- /dev/null +++ b/tests/spec/arb_texture_view/getteximage-srgb.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2013 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 reading back + * a texture image via an sRGBA view returns invalid texel data. + */ + + +#include "piglit-util-gl-common.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_view(GLenum view_format) +{ + GLenum target = GL_TEXTURE_2D; + GLuint texData[TEX_NUMPIXELS]; + GLuint tex, view, i; + + /* init tex data */ + for (i = 0; i < TEX_NUMPIXELS; ++i) { + texData[i] = RED; + } + + /* Create RGBA texture */ + glGenTextures(1, &tex); + glActiveTextureARB(GL_TEXTURE0); + glBindTexture(target, tex); + glTexStorage2D(target, 1, GL_RGBA8, TEX_WIDTH, TEX_HEIGHT); + glTexSubImage2D(target, 0, 0, 0, TEX_WIDTH, TEX_HEIGHT, + GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, texData); + + /* Create sRGB texture view */ + glGenTextures(1, &view); + glTextureView(view, target, tex, view_format, 0, 1, 0, 1); + glBindTexture(target, view); + glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, 0); + + /* reset texData to gray */ + for (i = 0; i < TEX_NUMPIXELS; ++i) { + texData[i] = GRAY; + } + + /* Get tex image data from the view */ + glGetTexImage(target, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, texData); + + if (texData[0] != RED) { + printf("Wrong color for %s texture view.\n", + piglit_get_gl_enum_name(view_format)); + printf("Expected 0x%08x but found 0x%08x \n", + RED, texData[0]); + 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, &view); + glDeleteTextures(1, &tex); + return true; +} + + +enum piglit_result +piglit_display(void) +{ + bool pass = true; + + pass = test_srgb_view(GL_RGBA8) && pass; + pass = test_srgb_view(GL_SRGB8_ALPHA8) && pass; + + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} + + +void +piglit_init(int argc, char *argv[]) +{ + piglit_require_extension("GL_ARB_texture_storage"); + piglit_require_extension("GL_ARB_texture_view"); + piglit_require_extension("GL_EXT_texture_sRGB"); +} -- 1.7.10.4 _______________________________________________ Piglit mailing list Piglit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/piglit