tests/spec/ati_fragment_shader/render-textargets.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: using different
  26  * texture targets with the same 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 color1[] = {0.2, 0.3, 0.8};
  39 static const float color2[] = {0.9, 0.8, 0.3};
  40 static const float texcoord[] = {0.2, 0.7, 0.4};
  41
  42 static GLuint tex2D;
  43 static GLuint texCUBE;
  44
  45 enum piglit_result
  46 piglit_display(void)
  47 {
  48         bool pass = true;
  49
  50         piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
  51
  52         glClearColor(1.0, 0.0, 0.0, 1.0);
  53         glClear(GL_COLOR_BUFFER_BIT);
  54
  55         glTexCoord3fv(texcoord);
  56
  57         glEnable(GL_FRAGMENT_SHADER_ATI);
  58         glEnable(GL_TEXTURE_2D);
  59         glBindTexture(GL_TEXTURE_2D, tex2D);
  60         piglit_draw_rect(0, 0, piglit_width / 2, piglit_height);
  61         glDisable(GL_TEXTURE_2D);
  62         glEnable(GL_TEXTURE_CUBE_MAP);
  63         glBindTexture(GL_TEXTURE_CUBE_MAP, texCUBE);
  64         piglit_draw_rect(piglit_width / 2, 0, piglit_width / 2, piglit_height);
  65         glDisable(GL_TEXTURE_CUBE_MAP);
  66         glDisable(GL_FRAGMENT_SHADER_ATI);
  67
  68         pass = pass && piglit_probe_rect_rgb(0, 0,
  69                                              piglit_width / 2,
  70                                              piglit_height, color1);
  71         pass = pass && piglit_probe_rect_rgb(piglit_width / 2, 0,
  72                                              piglit_width / 2,
  73                                              piglit_height, color2);
  74
  75         piglit_present_results();
  76
  77         pass &= piglit_check_gl_error(GL_NO_ERROR);
  78
  79         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  80 }
  81
  82 void
  83 piglit_init(int argc, char **argv)
  84 {
  85         piglit_require_extension("GL_ATI_fragment_shader");
  86
  87         glBeginFragmentShaderATI();
  88         glSampleMapATI(GL_REG_0_ATI, GL_TEXTURE0_ARB, GL_SWIZZLE_STR_ATI);
  89         glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
  90                         GL_REG_0_ATI, GL_NONE, GL_NONE);
  91         glEndFragmentShaderATI();
  92
  93         glGenTextures(1, &tex2D);
  94         glBindTexture(GL_TEXTURE_2D, tex2D);
  95         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0, GL_RGB, GL_FLOAT,
  96                      (void*)color1);
  97         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  98         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  99         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
 100         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
 101
 102         glGenTextures(1, &texCUBE);
 103         glBindTexture(GL_TEXTURE_CUBE_MAP, texCUBE);
 104         glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGB, 1, 1, 0,
 105                      GL_RGB, GL_FLOAT, (void*)color2);
 106         glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL_RGB, 1, 1, 0,
 107                      GL_RGB, GL_FLOAT, (void*)color2);
 108         glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL_RGB, 1, 1, 0,
 109                      GL_RGB, GL_FLOAT, (void*)color2);
 110         glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL_RGB, 1, 1, 0,
 111                      GL_RGB, GL_FLOAT, (void*)color2);
 112         glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL_RGB, 1, 1, 0,
 113                      GL_RGB, GL_FLOAT, (void*)color2);
 114         glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL_RGB, 1, 1, 0,
 115                      GL_RGB, GL_FLOAT, (void*)color2);
 116         glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 117         glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 118
 119         if (!piglit_check_gl_error(GL_NO_ERROR))
 120                 piglit_report_result(PIGLIT_FAIL);
 121 }