tests/spec/ati_fragment_shader/render-default.c

   1 /*
   2  * Copyright © 2017 Miklós Máté
   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 DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * Tests rendering with GL_ATI_fragment_shader: enable, disable,
  26  * default fragment shader.
  27  */
  28
  29 #include "piglit-util-gl.h"
  30
  31 PIGLIT_GL_TEST_CONFIG_BEGIN
  32
  33         config.supports_gl_compat_version = 10;
  34         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  35
  36 PIGLIT_GL_TEST_CONFIG_END
  37
  38 static const float color[] = {0.2, 0.3, 0.8};
  39 static const float texcoord[] = {0.2, 0.7, 0.4};
  40
  41 enum piglit_result
  42 piglit_display(void)
  43 {
  44         bool pass = true;
  45
  46         piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
  47
  48         glClearColor(1.0, 0.0, 0.0, 1.0);
  49         glClear(GL_COLOR_BUFFER_BIT);
  50
  51         glColor3fv(color);
  52         glTexCoord3fv(texcoord);
  53
  54         glDisable(GL_FRAGMENT_SHADER_ATI);
  55         piglit_draw_rect(0, 0, piglit_width / 4, piglit_height);
  56         glEnable(GL_FRAGMENT_SHADER_ATI);
  57         piglit_draw_rect(piglit_width / 4, 0, piglit_width / 4, piglit_height);
  58         glDisable(GL_FRAGMENT_SHADER_ATI);
  59         piglit_draw_rect(2 * piglit_width / 4, 0,
  60                          piglit_width / 4, piglit_height);
  61         glEnable(GL_FRAGMENT_SHADER_ATI);
  62         piglit_draw_rect(3 * piglit_width / 4, 0,
  63                          piglit_width / 4, piglit_height);
  64
  65         pass = pass && piglit_probe_rect_rgb(0, 0,
  66                                              piglit_width / 4,
  67                                              piglit_height, color);
  68         pass = pass && piglit_probe_rect_rgb(piglit_width / 4, 0,
  69                                              piglit_width / 4,
  70                                              piglit_height, texcoord);
  71         pass = pass && piglit_probe_rect_rgb(2 * piglit_width / 4, 0,
  72                                              piglit_width / 4,
  73                                              piglit_height, color);
  74         pass = pass && piglit_probe_rect_rgb(3 * piglit_width / 4, 0,
  75                                              piglit_width / 4,
  76                                              piglit_height, texcoord);
  77
  78         piglit_present_results();
  79
  80         pass &= piglit_check_gl_error(GL_NO_ERROR);
  81
  82         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  83 }
  84
  85 void
  86 piglit_init(int argc, char **argv)
  87 {
  88         piglit_require_extension("GL_ATI_fragment_shader");
  89
  90         /* create a default shader that does something different than
  91          * fixed-function
  92          */
  93         glBeginFragmentShaderATI();
  94         glPassTexCoordATI(GL_REG_1_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
  95         glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
  96                         GL_REG_1_ATI, GL_NONE, GL_NONE);
  97         glEndFragmentShaderATI();
  98
  99         if (!piglit_check_gl_error(GL_NO_ERROR))
 100                 piglit_report_result(PIGLIT_FAIL);
 101 }