tests/spec/arb_es3_compatibility/es3-drawarrays-primrestart-fixedindex.c

   1 /*
   2  * Copyright © 2014 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * Test if primitive restart is disabled for glDrawArrays while both
  26  * PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are enabled.
  27  */
  28
  29 #include "piglit-util-gl.h"
  30
  31 PIGLIT_GL_TEST_CONFIG_BEGIN
  32         config.supports_gl_compat_version = 33;
  33         config.supports_gl_core_version = 33;
  34         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  35 PIGLIT_GL_TEST_CONFIG_END
  36
  37 static const GLchar *vstext =
  38         "#version 330\n"
  39         "attribute vec2 piglit_vertex;\n"
  40         "attribute int piglit_texcoord;\n"
  41         "out vec4 color;\n"
  42         "void main()\n"
  43         "{\n"
  44         "       gl_Position = vec4(piglit_vertex, 0.0, 1.0);\n"
  45         "       color = vec4(0.0, 1.0, 0.0, 1.0);\n"
  46         "} \n";
  47
  48 static const char *fstext =
  49         "#version 330\n"
  50         "in vec4 color;\n"
  51         "void main() {\n"
  52         "       gl_FragColor = color;\n"
  53         "}\n";
  54
  55 static GLint prog;
  56
  57 enum piglit_result
  58 piglit_display(void)
  59 {
  60         static const float green[] = {0, 1, 0, 1};
  61         enum piglit_result result;
  62
  63         glClear(GL_COLOR_BUFFER_BIT);
  64         glDrawArrays(GL_TRIANGLES, 0, 7);
  65
  66         result = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height,
  67                                         green)
  68                 ? PIGLIT_PASS : PIGLIT_FAIL;
  69
  70         piglit_present_results();
  71         return result;
  72 }
  73
  74 void
  75 piglit_init(int argc, char **argv)
  76 {
  77         static const float pos[] = {
  78                 -1, -1,
  79                 -1,  1,
  80                  1, -1,
  81                  1,  1,
  82                  1, -1,
  83                 -1,  1,
  84                 -1,  1 /* should be dropped */
  85         };
  86         GLuint vao, buf;
  87
  88         piglit_require_gl_version(33);
  89         piglit_require_extension("GL_ARB_ES3_compatibility");
  90         prog = piglit_build_simple_program(vstext, fstext);
  91         glUseProgram(prog);
  92
  93         glGenVertexArrays(1, &vao);
  94         glBindVertexArray(vao);
  95
  96         glGenBuffers(1, &buf);
  97         glBindBuffer(GL_ARRAY_BUFFER, buf);
  98         glBufferData(GL_ARRAY_BUFFER, sizeof(pos), pos, GL_STATIC_DRAW);
  99
 100         glEnableVertexAttribArray(PIGLIT_ATTRIB_POS);
 101         glVertexAttribPointer(PIGLIT_ATTRIB_POS, 2, GL_FLOAT, 0, 0, NULL);
 102
 103         glEnable(GL_PRIMITIVE_RESTART_FIXED_INDEX);
 104         glEnable(GL_PRIMITIVE_RESTART);
 105         glPrimitiveRestartIndex(3);
 106 }