We had no testing of this in piglit at all, so I wrote this in the process of debugging:
https://bugs.freedesktop.org/show_bug.cgi?id=34154 v2: Rebase to master, move to GL 1.0 test group. --- tests/all.tests | 1 + tests/spec/gl-1.0/CMakeLists.gl.txt | 1 + tests/spec/gl-1.0/rendermode-feedback.c | 190 ++++++++++++++++++++++++++++++++ 3 files changed, 192 insertions(+) create mode 100644 tests/spec/gl-1.0/rendermode-feedback.c diff --git a/tests/all.tests b/tests/all.tests index 0f80e0b..5643919 100644 --- a/tests/all.tests +++ b/tests/all.tests @@ -574,6 +574,7 @@ add_concurrent_test(gl10, 'gl-1.0-dlist-beginend') add_concurrent_test(gl10, 'gl-1.0-dlist-shademodel') add_concurrent_test(gl10, 'gl-1.0-edgeflag') add_concurrent_test(gl10, 'gl-1.0-edgeflag-quads') +add_concurrent_test(gl10, 'gl-1.0-rendermode-feedback') gl12 = Group() spec['!OpenGL 1.2'] = gl12 diff --git a/tests/spec/gl-1.0/CMakeLists.gl.txt b/tests/spec/gl-1.0/CMakeLists.gl.txt index bdb212a..8d3111c 100644 --- a/tests/spec/gl-1.0/CMakeLists.gl.txt +++ b/tests/spec/gl-1.0/CMakeLists.gl.txt @@ -14,5 +14,6 @@ piglit_add_executable (gl-1.0-edgeflag edgeflag.c) piglit_add_executable (gl-1.0-edgeflag-quads edgeflag-quads.c) piglit_add_executable (gl-1.0-dlist-beginend dlist-beginend.c) piglit_add_executable (gl-1.0-dlist-shademodel dlist-shademodel.c) +piglit_add_executable (gl-1.0-rendermode-feedback rendermode-feedback.c) # vim: ft=cmake: diff --git a/tests/spec/gl-1.0/rendermode-feedback.c b/tests/spec/gl-1.0/rendermode-feedback.c new file mode 100644 index 0000000..5eb8362 --- /dev/null +++ b/tests/spec/gl-1.0/rendermode-feedback.c @@ -0,0 +1,190 @@ +/* Copyright © 2011 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. + */ + +#include "piglit-util-gl-common.h" + +/** + * @file rendermode-feedback.c + * + * Tests that glRenderMode(GL_FEEDBACK) rendering trivially works. + */ + +PIGLIT_GL_TEST_CONFIG_BEGIN + + config.supports_gl_compat_version = 10; + + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA; + +PIGLIT_GL_TEST_CONFIG_END + +static float vertex_array[] = { + 1.0, 2.0, 0.4, 1.0, + 3.0, 4.0, 0.6, 1.0, + 5.0, 6.0, 0.8, 1.0, +}; + +static float color_array[] = { + 0.01, 0.02, 0.03, 0.04, + 0.05, 0.06, 0.07, 0.08, + 0.09, 0.10, 0.11, 0.12, +}; + +static float texcoord_array[] = { + 101.0, 102.0, 103.0, 104.0, + 105.0, 106.0, 107.0, 108.0, + 109.0, 110.0, 111.0, 112.0, +}; + +float gl_2d_values[] = + {GL_POLYGON_TOKEN, 3, + 1.0, 2.0, + 3.0, 4.0, + 5.0, 6.0}; + +float gl_3d_values[] = + {GL_POLYGON_TOKEN, 3, + 1.0, 2.0, 0.3, + 3.0, 4.0, 0.2, + 5.0, 6.0, 0.1}; + +float gl_3d_color_values[] = + {GL_POLYGON_TOKEN, 3, + 1.0, 2.0, 0.3, 0.01, 0.02, 0.03, 0.04, + 3.0, 4.0, 0.2, 0.05, 0.06, 0.07, 0.08, + 5.0, 6.0, 0.1, 0.09, 0.10, 0.11, 0.12}; + +float gl_3d_color_texture_values[] = + {GL_POLYGON_TOKEN, 3, + 1.0, 2.0, 0.3, 0.01, 0.02, 0.03, 0.04, 101.0, 102.0, 103.0, 104.0, + 3.0, 4.0, 0.2, 0.05, 0.06, 0.07, 0.08, 105.0, 106.0, 107.0, 108.0, + 5.0, 6.0, 0.1, 0.09, 0.10, 0.11, 0.12, 109.0, 110.0, 111.0, 112.0}; + +float gl_4d_color_texture_values[] = + {GL_POLYGON_TOKEN, 3, + 1.0, 2.0, 0.3, 1.0, 0.01, 0.02, 0.03, 0.04, 101.0, 102.0, 103.0, 104.0, + 3.0, 4.0, 0.2, 1.0, 0.05, 0.06, 0.07, 0.08, 105.0, 106.0, 107.0, 108.0, + 5.0, 6.0, 0.1, 1.0, 0.09, 0.10, 0.11, 0.12, 109.0, 110.0, 111.0, 112.0}; + +struct type { + GLenum type; + char *name; + float *values; + int count; +} types[] = { + { GL_2D, "GL_2D", + gl_2d_values, ARRAY_SIZE(gl_2d_values) }, + + { GL_3D, "GL_3D", + gl_3d_values, ARRAY_SIZE(gl_3d_values) }, + + { GL_3D_COLOR, "GL_3D_COLOR", + gl_3d_color_values, ARRAY_SIZE(gl_3d_color_values) }, + + { GL_3D_COLOR_TEXTURE, "GL_3D_COLOR_TEXTURE", + gl_3d_color_texture_values, ARRAY_SIZE(gl_3d_color_texture_values) }, + + { GL_4D_COLOR_TEXTURE, "GL_4D_COLOR_TEXTURE", + gl_4d_color_texture_values, ARRAY_SIZE(gl_4d_color_texture_values) }, +}; + +static void +report_failure(struct type *type, float *buffer, int count) +{ + int i; + + fprintf(stderr, "Feeback failed for %s:\n", type->name); + + fprintf(stderr, " Expected: Observed: (%d/%d)\n", + count, type->count); + for (i = 0; i < types->count; i++) { + fprintf(stderr, " %9f %9f\n", type->values[i], buffer[i]); + } + fprintf(stderr, "\n"); + +} + +enum piglit_result +piglit_display(void) +{ + bool pass = true; + float buffer[2 + + ARRAY_SIZE(vertex_array) + + ARRAY_SIZE(color_array) + + ARRAY_SIZE(texcoord_array)]; + int i, j; + + piglit_ortho_projection(piglit_width, piglit_height, false); + + glClearColor(0.0, 1.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + glVertexPointer(4, GL_FLOAT, 0, vertex_array); + glColorPointer(4, GL_FLOAT, 0, color_array); + glTexCoordPointer(4, GL_FLOAT, 0, texcoord_array); + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + + for (i = 0; i < ARRAY_SIZE(types); i++) { + bool case_pass = true; + int returned_count; + + printf("Testing %s\n", types[i].name); + + for (j = 0; j < ARRAY_SIZE(buffer); j++) + buffer[j] = -1.0; + + glFeedbackBuffer(ARRAY_SIZE(buffer), types[i].type, buffer); + glRenderMode(GL_FEEDBACK); + glDrawArrays(GL_TRIANGLES, 0, 4); + returned_count = glRenderMode(GL_RENDER); + + if (returned_count != types[i].count) { + case_pass = false; + } else { + for (j = 0; j < types[i].count; j++) { + if (fabs(buffer[j] - types[i].values[j]) > .01) + case_pass = false; + } + } + + if (!case_pass) { + pass = false; + report_failure(&types[i], buffer, returned_count); + piglit_report_subtest_result(PIGLIT_FAIL, + types[i].name); + } else { + piglit_report_subtest_result(PIGLIT_PASS, + types[i].name); + } + } + + piglit_present_results(); + + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} + +void +piglit_init(int argc, char **argv) +{ + piglit_require_extension("GL_EXT_vertex_array"); +} -- 1.8.3.rc0 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
