[Mesa-dev] [PATCH piglit] Test using glTexSubImage2D with packed depth-stencil textures
Neil Roberts
neil at linux.intel.com
Thu Jun 5 05:57:29 PDT 2014
This adds a test for updating a sub-region of a texture created with
the GL_EXT_packed_depth_stencil extension. Currently this seems to
trigger a bug on the i965 driver.
---
tests/all.py | 1 +
.../ext_packed_depth_stencil/CMakeLists.gl.txt | 1 +
tests/spec/ext_packed_depth_stencil/texsubimage.c | 157 +++++++++++++++++++++
3 files changed, 159 insertions(+)
create mode 100644 tests/spec/ext_packed_depth_stencil/texsubimage.c
diff --git a/tests/all.py b/tests/all.py
index 1652d7c..e692d5c 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -2497,6 +2497,7 @@ add_depthstencil_render_miplevels_tests(
ext_packed_depth_stencil['fbo-clear-formats stencil'] = concurrent_test('fbo-clear-formats GL_EXT_packed_depth_stencil stencil')
ext_packed_depth_stencil['DEPTH_STENCIL texture'] = concurrent_test('ext_packed_depth_stencil-depth-stencil-texture')
ext_packed_depth_stencil['getteximage'] = concurrent_test('ext_packed_depth_stencil-getteximage')
+ext_packed_depth_stencil['texsubimage'] = concurrent_test('ext_packed_depth_stencil-texsubimage')
oes_packed_depth_stencil = {}
spec['OES_packed_depth_stencil'] = oes_packed_depth_stencil
diff --git a/tests/spec/ext_packed_depth_stencil/CMakeLists.gl.txt b/tests/spec/ext_packed_depth_stencil/CMakeLists.gl.txt
index 99439f0..0d81da1 100644
--- a/tests/spec/ext_packed_depth_stencil/CMakeLists.gl.txt
+++ b/tests/spec/ext_packed_depth_stencil/CMakeLists.gl.txt
@@ -12,5 +12,6 @@ link_libraries (
piglit_add_executable (ext_packed_depth_stencil-depth-stencil-texture depth-stencil-texture.c)
piglit_add_executable (ext_packed_depth_stencil-readpixels-24_8 readpixels-24_8.c)
piglit_add_executable (ext_packed_depth_stencil-getteximage getteximage.c)
+piglit_add_executable (ext_packed_depth_stencil-texsubimage texsubimage.c)
# vim: ft=cmake:
diff --git a/tests/spec/ext_packed_depth_stencil/texsubimage.c b/tests/spec/ext_packed_depth_stencil/texsubimage.c
new file mode 100644
index 0000000..7238a49
--- /dev/null
+++ b/tests/spec/ext_packed_depth_stencil/texsubimage.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2014 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 cube.c
+ *
+ * A test of using glTexSubImage2D to update a region of a
+ * depth-stencil texture. A 4x4 depth-stencil is created and then two
+ * of the texels are set using different values. The whole texture is
+ * read back using glGetTexImage and compared to the expected values.
+ *
+ * This currently fails on the i965 driver.
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 13;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static GLuint
+create_texture(void)
+{
+ static const GLubyte data[] = {
+ 0xff, 0xff, 0xff, 0xff,
+ 0x04, 0x05, 0x06, 0x07,
+ 0xff, 0xff, 0xff, 0xff,
+ 0x0c, 0x0d, 0x0e, 0x0f,
+ };
+ GLuint tex;
+
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glTexImage2D(GL_TEXTURE_2D,
+ 0, /* level */
+ GL_DEPTH24_STENCIL8_EXT,
+ 2, 2, /* width/height */
+ 0, /* border */
+ GL_DEPTH_STENCIL_EXT,
+ GL_UNSIGNED_INT_24_8_EXT,
+ data);
+
+ return tex;
+}
+
+static void
+update_texture(void)
+{
+ static const GLubyte bottom_left_pixel[] = {
+ 0x00, 0x01, 0x02, 0x03
+ };
+ static const GLubyte top_left_pixel[] = {
+ 0x08, 0x09, 0x0a, 0x0b
+ };
+ glTexSubImage2D(GL_TEXTURE_2D,
+ 0, /* level */
+ 0, 0, /* x/y */
+ 1, 1, /* width/height */
+ GL_DEPTH_STENCIL_EXT,
+ GL_UNSIGNED_INT_24_8_EXT,
+ bottom_left_pixel);
+ glTexSubImage2D(GL_TEXTURE_2D,
+ 0, /* level */
+ 0, 1, /* x/y */
+ 1, 1, /* width/height */
+ GL_DEPTH_STENCIL_EXT,
+ GL_UNSIGNED_INT_24_8_EXT,
+ top_left_pixel);
+}
+
+static bool
+check_texels(void)
+{
+ GLubyte texels[2 * 2 * 4];
+ int i;
+
+ glGetTexImage(GL_TEXTURE_2D,
+ 0, /* level */
+ GL_DEPTH_STENCIL_EXT,
+ GL_UNSIGNED_INT_24_8_EXT,
+ texels);
+
+ for (i = 0; i < sizeof texels; i++)
+ if (texels[i] != i)
+ return false;
+
+ return true;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLuint tex;
+ bool pass;
+
+ /* We can create depth/stencil textures if either:
+ * 1. We have GL 3.0 or later
+ * 2. We have GL_EXT_packed_depth_stencil and GL_ARB_depth_texture
+ */
+ if (piglit_get_gl_version() < 30
+ && !(piglit_is_extension_supported("GL_EXT_packed_depth_stencil") &&
+ piglit_is_extension_supported("GL_ARB_depth_texture"))) {
+ printf("OpenGL 3.0 or GL_EXT_packed_depth_stencil + "
+ "GL_ARB_depth_texture is required.\n");
+ piglit_report_result(PIGLIT_SKIP);
+ }
+
+ tex = create_texture();
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ update_texture();
+
+ if (!piglit_check_gl_error(GL_NO_ERROR))
+ piglit_report_result(PIGLIT_FAIL);
+
+ glBindTexture(GL_TEXTURE_2D, tex);
+
+ pass = check_texels();
+
+ glBindTexture(GL_TEXTURE_2D, 0);
+
+ glDeleteTextures(1, &tex);
+
+ piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ /* unused */
+ return PIGLIT_FAIL;
+}
--
1.9.0
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