From: Ian Romanick <[email protected]> OpenGL expects the gl_VertexID to start counting with the 'start' value passed to glDrawArrays.
NOTE: This test currently fails on the i965 driver. Signed-off-by: Ian Romanick <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80247 --- tests/all.py | 1 + tests/spec/gles-3.0/CMakeLists.gles3.txt | 1 + tests/spec/gles-3.0/drawarrays-vertexid.c | 178 ++++++++++++++++++++++++++++++ 3 files changed, 180 insertions(+) create mode 100644 tests/spec/gles-3.0/drawarrays-vertexid.c diff --git a/tests/all.py b/tests/all.py index 5ad8815..4dd256e 100644 --- a/tests/all.py +++ b/tests/all.py @@ -3815,6 +3815,7 @@ for test_mode in ['teximage', 'texsubimage']: test_name = 'ext_texture_array-compressed_gles3 {0}'.format(test_mode) gles30[test_name] = PiglitTest(test_name + ' -auto -fbo') gles30['texture-immutable-levels'] = concurrent_test('texture-immutable-levels_gles3') +gles30['gl_VertexID used with glDrawArrays'] = concurrent_test('gles-3.0-drawarrays-vertexid') arb_es3_compatibility = {} spec['ARB_ES3_compatibility'] = arb_es3_compatibility diff --git a/tests/spec/gles-3.0/CMakeLists.gles3.txt b/tests/spec/gles-3.0/CMakeLists.gles3.txt index 38efbed..d56a43e 100644 --- a/tests/spec/gles-3.0/CMakeLists.gles3.txt +++ b/tests/spec/gles-3.0/CMakeLists.gles3.txt @@ -2,6 +2,7 @@ link_libraries( piglitutil_${piglit_target_api} ) +piglit_add_executable (gles-3.0-drawarrays-vertexid drawarrays-vertexid.c) piglit_add_executable(minmax_${piglit_target_api} minmax.c) piglit_add_executable(oes_compressed_etc2_texture-miptree_gles3 oes_compressed_etc2_texture-miptree.c) piglit_add_executable(texture-immutable-levels_gles3 texture-immutable-levels.c) diff --git a/tests/spec/gles-3.0/drawarrays-vertexid.c b/tests/spec/gles-3.0/drawarrays-vertexid.c new file mode 100644 index 0000000..ebf5723 --- /dev/null +++ b/tests/spec/gles-3.0/drawarrays-vertexid.c @@ -0,0 +1,178 @@ +/* Copyright © 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 drawarrays-vertexid.c + * Test using gl_VertexID in conjunction with glDrawArrays + * + * The value of gl_VertexID observed in the shader should start with the value + * of 'first' and increment from there. + */ + +#include "piglit-util-gl-common.h" + +PIGLIT_GL_TEST_CONFIG_BEGIN + + config.supports_gl_es_version = 30; + config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA; + +PIGLIT_GL_TEST_CONFIG_END + +static const float green[] = { 0, 1, 0, 1 }; +static const float blue[] = { 0, 0, 1, 1 }; +static const float gold[] = { 1, 1, 0, 1 }; +static const float magenta[] = { 1, 0, 1, 1 }; + +enum piglit_result +piglit_display(void) +{ + bool pass = true; + static const GLint first[] = { 4, 8, 12, 16 }; + static const GLsizei count[] = { 4, 4, 4, 4 }; + unsigned i; + + glViewport(0, 0, piglit_width, piglit_height); + glClearColor(0.2, 0.2, 0.2, 0.2); + glClear(GL_COLOR_BUFFER_BIT); + + for (i = 0; i < ARRAY_SIZE(count); i++) { + glDrawArrays(GL_TRIANGLE_FAN, + first[i], + count[i]); + } + + pass = piglit_probe_rect_rgba(0, 0, + piglit_width / 2, piglit_height /2, + green) + && pass; + pass = piglit_probe_rect_rgba(piglit_width / 2, 0, + piglit_width / 2, piglit_height / 2, + blue) + && pass; + pass = piglit_probe_rect_rgba(0, piglit_height /2, + piglit_width / 2, piglit_height / 2, + gold) + && pass; + pass = piglit_probe_rect_rgba(piglit_width / 2, piglit_height /2, + piglit_width / 2, piglit_height / 2, + magenta) + && pass; + + piglit_present_results(); + + return pass ? PIGLIT_PASS : PIGLIT_FAIL; +} + +void +piglit_init(int argc, char **argv) +{ + static const GLfloat verts[] = { + /* These vertices should never be accessed due to the way + * glMultiDrawArrays is called. + */ + -1.0, -1.0, + 1.0, -1.0, + 1.0, 1.0, + -1.0, 1.0, + + -1.0, -1.0, + 0.0, -1.0, + 0.0, 0.0, + -1.0, 0.0, + + 0.0, -1.0, + 1.0, -1.0, + 1.0, 0.0, + 0.0, 0.0, + + -1.0, 0.0, + 0.0, 0.0, + 0.0, 1.0, + -1.0, 1.0, + + 0.0, 0.0, + 1.0, 0.0, + 1.0, 1.0, + 0.0, 1.0, + }; + + GLuint prog = piglit_build_simple_program( + "#version 300 es\n" + "\n" + "in vec4 piglit_vertex;\n" + "out vec3 c;\n" + "\n" + "const vec3 colors[] = vec3[](\n" + " vec3(1, 0, 0),\n" + " vec3(1, 0, 0),\n" + " vec3(1, 0, 0),\n" + " vec3(1, 0, 0),\n" + "\n" + " vec3(0, 1, 0),\n" + " vec3(0, 1, 0),\n" + " vec3(0, 1, 0),\n" + " vec3(0, 1, 0),\n" + "\n" + " vec3(0, 0, 1),\n" + " vec3(0, 0, 1),\n" + " vec3(0, 0, 1),\n" + " vec3(0, 0, 1),\n" + "\n" + " vec3(1, 1, 0),\n" + " vec3(1, 1, 0),\n" + " vec3(1, 1, 0),\n" + " vec3(1, 1, 0),\n" + "\n" + " vec3(1, 0, 1),\n" + " vec3(1, 0, 1),\n" + " vec3(1, 0, 1),\n" + " vec3(1, 0, 1)\n" + ");\n" + "void main() {\n" + " c = colors[gl_VertexID];\n" + " gl_Position = piglit_vertex;\n" + "}\n", + + "#version 300 es\n" + "precision mediump float;\n" + "in vec3 c;\n" + "out vec4 fragcolor;\n" + "\n" + "void main() {\n" + " fragcolor = vec4(c, 1);\n" + "}\n"); + + GLuint vao; + GLuint buf; + + glUseProgram(prog); + + glGenVertexArrays(1, &vao); + glBindVertexArray(vao); + + glGenBuffers(1, &buf); + glBindBuffer(GL_ARRAY_BUFFER, buf); + glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, + GL_STATIC_DRAW); + + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (void *) 0); + glEnableVertexAttribArray(0); +} -- 1.8.1.4 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
