tests/spec/ati_fragment_shader/api-alphafirst.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 API for GL_ATI_fragment_shader: shader pass beginning with alpha instruction.
  26  */
  27
  28 #include "piglit-util-gl.h"
  29
  30 PIGLIT_GL_TEST_CONFIG_BEGIN
  31
  32         config.supports_gl_compat_version = 10;
  33         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  34
  35 PIGLIT_GL_TEST_CONFIG_END
  36
  37 enum piglit_result
  38 piglit_display(void)
  39 {
  40         /* UNREACHED */
  41         return PIGLIT_FAIL;
  42 }
  43
  44 void
  45 piglit_init(int argc, char **argv)
  46 {
  47         bool pass = true;
  48
  49         piglit_require_extension("GL_ATI_fragment_shader");
  50
  51         /* Create a shader pass beginning with an alpha instruction */
  52
  53         glBeginFragmentShaderATI();
  54         glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
  55                         GL_PRIMARY_COLOR_ARB, GL_NONE, GL_NONE);
  56         pass &= piglit_check_gl_error(GL_NO_ERROR);
  57         glEndFragmentShaderATI();
  58         pass &= piglit_check_gl_error(GL_NO_ERROR);
  59
  60         glBeginFragmentShaderATI();
  61         glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
  62                         GL_REG_1_ATI, GL_NONE, GL_NONE);
  63         glPassTexCoordATI(GL_REG_0_ATI, GL_REG_0_ATI, GL_SWIZZLE_STR_ATI);
  64         glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
  65                         GL_PRIMARY_COLOR_ARB, GL_NONE, GL_NONE);
  66         pass &= piglit_check_gl_error(GL_NO_ERROR);
  67         glEndFragmentShaderATI();
  68         pass &= piglit_check_gl_error(GL_NO_ERROR);
  69
  70         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  71 }