[Piglit] [PATCH 2/2] arb_direct_state_access: New test for glGetTextureImage.
Laura Ekstrand
laura at jlekstrand.net
Mon Feb 16 12:38:51 PST 2015
---
.../gettextureimage-targets.c | 215 +++++++++++++++++++++
1 file changed, 215 insertions(+)
create mode 100644 tests/spec/arb_direct_state_access/gettextureimage-targets.c
diff --git a/tests/spec/arb_direct_state_access/gettextureimage-targets.c b/tests/spec/arb_direct_state_access/gettextureimage-targets.c
new file mode 100644
index 0000000..01de938
--- /dev/null
+++ b/tests/spec/arb_direct_state_access/gettextureimage-targets.c
@@ -0,0 +1,215 @@
+/*
+ * Copyright 2015 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 gettextureimage-targets.c
+ *
+ * Tests to make sure that glGetTextureImage works correctly.
+ * The basic idea is to create some data, upload it to the
+ * driver with the traditional commands, download it with DSA, and compare.
+ * Of course, this assumes that the traditional commands are correct, which
+ * may not actually be the case.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 10;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA |
+ PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+#define WIDTH 32
+#define HEIGHT 32
+#define IMAGE_SIZE (WIDTH * HEIGHT * 4)
+#define CHAR_LIMIT 100
+
+static GLubyte *expected;
+static GLboolean pass = GL_TRUE;
+
+static void
+subtest(GLboolean local_result, const char *test_name)
+{
+ pass = local_result && pass;
+ piglit_report_subtest_result(local_result ? PIGLIT_PASS : PIGLIT_FAIL,
+ test_name);
+}
+
+static void
+init_random_data(void)
+{
+ int i;
+
+ expected = malloc(18 * IMAGE_SIZE);
+ for (i = 0; i < 18 * IMAGE_SIZE; ++i) {
+ expected[i] = (GLubyte) rand();
+ }
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_require_extension("GL_ARB_direct_state_access");
+ piglit_require_extension("GL_ARB_texture_storage");
+ srand(0);
+ init_random_data();
+}
+
+static bool
+compare_to_expected(const GLubyte *data, int num_layers)
+{
+ return memcmp(expected, data, num_layers * IMAGE_SIZE) == 0;
+}
+
+static void
+upload_subtest(GLenum target, bool use_pbo)
+{
+ GLuint tex, pbo;
+ int num_layers;
+ char test_name [CHAR_LIMIT];
+ int i;
+
+ /* Prepare to read data from expected */
+ GLubyte *data = expected;
+ if (use_pbo) {
+ glGenBuffers(1, &pbo);
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo);
+ glBufferData(GL_PIXEL_UNPACK_BUFFER, 18 * IMAGE_SIZE,
+ expected, GL_STATIC_DRAW);
+ data = NULL;
+ piglit_check_gl_error(GL_NO_ERROR);
+ }
+
+ /* Upload it using traditional path */
+ glGenTextures(1, &tex);
+ glBindTexture(target, tex);
+
+ switch (target) {
+
+ case GL_TEXTURE_1D:
+ num_layers = 1;
+ glTexStorage1D(target, 1, GL_RGBA8, WIDTH * HEIGHT);
+ glTexSubImage1D(target, 0, 0, WIDTH * HEIGHT, GL_RGBA,
+ GL_UNSIGNED_BYTE, data);
+ break;
+ case GL_TEXTURE_1D_ARRAY: /* FALLTHROUGH */
+ case GL_TEXTURE_RECTANGLE: /* FALLTHROUGH */
+ case GL_TEXTURE_2D:
+ num_layers = 1;
+ glTexStorage2D(target, 1, GL_RGBA8, WIDTH, HEIGHT);
+ glTexSubImage2D(target, 0, 0, 0, WIDTH, HEIGHT,
+ GL_RGBA, GL_UNSIGNED_BYTE, data);
+ break;
+ case GL_TEXTURE_3D: /* FALLTHROUGH */
+ case GL_TEXTURE_2D_ARRAY:
+ num_layers = 3;
+ glTexStorage3D(target, 1, GL_RGBA8, WIDTH, HEIGHT,
+ num_layers);
+ glTexSubImage3D(target, 0, 0, 0, 0, WIDTH, HEIGHT,
+ num_layers, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ num_layers = 6;
+ glTexStorage2D(target, 1, GL_RGBA8, WIDTH, HEIGHT);
+ for (i = 0; i < num_layers; ++i) {
+ glTexSubImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
+ 0, 0, 0, WIDTH, HEIGHT, GL_RGBA,
+ GL_UNSIGNED_BYTE,
+ data + i * IMAGE_SIZE);
+ }
+ break;
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ num_layers = 18;
+ glTexStorage3D(target, 1, GL_RGBA8, WIDTH, HEIGHT,
+ num_layers);
+ glTexSubImage3D(target, 0, 0, 0, 0, WIDTH, HEIGHT,
+ num_layers, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ break;
+ default:
+ printf("Bad texture target.\n");
+ piglit_report_result(PIGLIT_FAIL);
+
+ }
+ piglit_check_gl_error(GL_NO_ERROR);
+
+ /* Prepare to download into data. */
+ if (use_pbo) {
+ GLubyte *junk = malloc(18 * IMAGE_SIZE);
+ memset(junk, 123, 18 * IMAGE_SIZE);
+ glBindBuffer(GL_PIXEL_PACK_BUFFER, pbo);
+ glBufferData(GL_PIXEL_PACK_BUFFER, 18 * IMAGE_SIZE,
+ junk, GL_STATIC_READ);
+ free(junk);
+ piglit_check_gl_error(GL_NO_ERROR);
+ /* data = NULL from above */
+ }
+ else
+ data = malloc(18 * IMAGE_SIZE);
+
+ /* Download it using DSA */
+ glBindTexture(target, 0);
+ glGetTextureImage(tex, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+ num_layers * IMAGE_SIZE, data);
+ piglit_check_gl_error(GL_NO_ERROR);
+
+ if (use_pbo)
+ data = glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
+
+ /* Perform comparison and report the results. */
+ snprintf(test_name, CHAR_LIMIT, "upload %s%s",
+ piglit_get_gl_enum_name(target), use_pbo ? " PBO" : "");
+ subtest(compare_to_expected(data, num_layers), test_name);
+
+ /* Clean up */
+ if (use_pbo)
+ glDeleteBuffers(1, &pbo);
+ else
+ free(data);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ int i;
+
+ for (i = 0; i < 2; ++i) {
+ upload_subtest(GL_TEXTURE_1D, (bool) i);
+ upload_subtest(GL_TEXTURE_1D_ARRAY, (bool) i);
+ upload_subtest(GL_TEXTURE_2D, (bool) i);
+ upload_subtest(GL_TEXTURE_3D, (bool) i);
+ if (piglit_is_extension_supported("GL_ARB_texture_rectangle"))
+ upload_subtest(GL_TEXTURE_RECTANGLE, (bool) i);
+ if (piglit_is_extension_supported("GL_EXT_texture_array"))
+ upload_subtest(GL_TEXTURE_2D_ARRAY, (bool) i);
+ if (piglit_is_extension_supported("GL_ARB_texture_cube_map"))
+ upload_subtest(GL_TEXTURE_CUBE_MAP, (bool) i);
+ if (piglit_is_extension_supported(
+ "GL_ARB_texture_cube_map_array"))
+ upload_subtest(GL_TEXTURE_CUBE_MAP_ARRAY, (bool) i);
+ }
+
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
2.1.0
More information about the Piglit
mailing list