tests/spec/gl-2.0/edgeflag-immediate.c

   1 /* Copyright © 2012, 2014 Intel Corporation
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a
   4  * copy of this software and associated documentation files (the "Software"),
   5  * to deal in the Software without restriction, including without limitation
   6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7  * and/or sell copies of the Software, and to permit persons to whom the
   8  * Software is furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice (including the next
  11  * paragraph) shall be included in all copies or substantial portions of the
  12  * Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20  * IN THE SOFTWARE.
  21  */
  22
  23 /** @file edgeflag-immediate.c
  24  *
  25  * Test for glEdgeFlag() API working with a GLSL program enabled.
  26  */
  27
  28 #include "piglit-util-gl.h"
  29
  30 PIGLIT_GL_TEST_CONFIG_BEGIN
  31
  32         config.supports_gl_compat_version = 10;
  33
  34         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  35
  36         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  37
  38 PIGLIT_GL_TEST_CONFIG_END
  39
  40 static GLuint color_index;
  41
  42 enum piglit_result
  43 piglit_display(void)
  44 {
  45         bool pass = true;
  46         float green[] = {0, 1, 0, 0};
  47         float clear[] = {0.5, 0.5, 0.5, 0.5};
  48
  49         piglit_ortho_projection(piglit_width, piglit_height, false);
  50
  51         glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
  52
  53         glClearColor(0.5, 0.5, 0.5, 0.5);
  54         glClear(GL_COLOR_BUFFER_BIT);
  55
  56         glVertexAttrib4f(color_index, 0, 1, 0, 0);
  57
  58         glBegin(GL_POLYGON);
  59         glEdgeFlag(GL_TRUE);
  60         glVertex2f(1.5, 1.5);
  61         glEdgeFlag(GL_FALSE);
  62         glVertex2f(5.5, 1.5);
  63         glEdgeFlag(GL_TRUE);
  64         glVertex2f(5.5, 5.5);
  65         glEdgeFlag(GL_FALSE);
  66         glVertex2f(1.5, 5.5);
  67         glEnd();
  68
  69         pass = piglit_probe_pixel_rgba(3, 1, green) && pass;
  70         pass = piglit_probe_pixel_rgba(3, 5, green) && pass;
  71         pass = piglit_probe_pixel_rgba(1, 3, clear) && pass;
  72         pass = piglit_probe_pixel_rgba(5, 3, clear) && pass;
  73
  74         piglit_present_results();
  75
  76         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  77 }
  78
  79 const char *vs_source =
  80         "attribute vec4 in_color;\n"
  81         "varying vec4 color;\n"
  82         "\n"
  83         "void main()\n"
  84         "{\n"
  85         "       gl_Position = ftransform();\n"
  86         "       color = in_color;\n"
  87         "}\n";
  88
  89 const char *fs_source =
  90         "varying vec4 color;\n"
  91         "\n"
  92         "void main()\n"
  93         "{\n"
  94         "       gl_FragColor = color;\n"
  95         "}\n";
  96
  97 void
  98 piglit_init(int argc, char **argv)
  99 {
 100         GLuint prog;
 101
 102         prog = piglit_build_simple_program(vs_source, fs_source);
 103         glUseProgram(prog);
 104         color_index = glGetAttribLocation(prog, "in_color");
 105 }