tests/shaders/fp-kil.c

   1 /*
   2  * Copyright (c) The Piglit project 2007
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
  18  * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * Test KIL 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
  34         config.window_width = 200;
  35         config.window_height = 200;
  36         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_DEPTH;
  37
  38 PIGLIT_GL_TEST_CONFIG_END
  39
  40 #define NUM_PROGRAMS 2
  41
  42 static GLuint FragProg[NUM_PROGRAMS];
  43
  44 static const char* const ProgramText[NUM_PROGRAMS] = {
  45                 "!!ARBfp1.0\n"
  46                 "TEMP r0;\n"
  47                 "MOV result.color, fragment.color;\n"
  48                 "KIL fragment.texcoord[0];\n"
  49                 "END",
  50
  51                 "!!ARBfp1.0\n"
  52                 "TEMP r0;\n"
  53                 "TEX r0, fragment.texcoord[0], texture[0], 2D;\n"
  54                 "KIL -r0;\n"
  55                 "MOV result.color, fragment.color;\n"
  56                 "END"
  57 };
  58
  59 static void DoFrame(void)
  60 {
  61         glClearColor(0.0, 0.0, 0.0, 1.0);
  62         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  63
  64         glEnable(GL_FRAGMENT_PROGRAM_ARB);
  65
  66         glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, FragProg[0]);
  67
  68         glColor3f(0.0, 1.0, 0.0);
  69         glBegin(GL_QUADS);
  70                 glTexCoord2f(-1, -1);
  71                 glVertex2f(0, 0);
  72                 glTexCoord2f(1, -1);
  73                 glVertex2f(1, 0);
  74                 glTexCoord2f(1, 1);
  75                 glVertex2f(1, 1);
  76                 glTexCoord2f(-1, 1);
  77                 glVertex2f(0, 1);
  78         glEnd();
  79
  80         glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, FragProg[1]);
  81
  82         glBegin(GL_QUADS);
  83                 glTexCoord2f(0, 0);
  84                 glVertex2f(0, 1);
  85                 glTexCoord2f(1, 0);
  86                 glVertex2f(1, 1);
  87                 glTexCoord2f(1, 1);
  88                 glVertex2f(1, 2);
  89                 glTexCoord2f(0, 1);
  90                 glVertex2f(0, 2);
  91         glEnd();
  92 }
  93
  94 static const struct {
  95         const char* name;
  96         float x, y;
  97         float expected[4];
  98 } Probes[] = {
  99         // Program 0
 100         {
 101                 "basic #1",
 102                 0.2, 0.2,
 103                 { 0.0, 0.0, 0.0, 1.0 }
 104         },
 105         {
 106                 "basic #2",
 107                 0.8, 0.2,
 108                 { 0.0, 0.0, 0.0, 1.0 }
 109         },
 110         {
 111                 "basic #3",
 112                 0.8, 0.8,
 113                 { 0.0, 1.0, 0.0, 1.0 }
 114         },
 115         {
 116                 "basic #4",
 117                 0.2, 0.8,
 118                 { 0.0, 0.0, 0.0, 1.0 }
 119         },
 120
 121         // Program 1
 122         {
 123                 "texture #1",
 124                 0.125, 1.125,
 125                 { 0.0, 1.0, 0.0, 1.0 }
 126         },
 127         {
 128                 "texture #2",
 129                 0.375, 1.125,
 130                 { 0.0, 0.0, 0.0, 1.0 }
 131         },
 132         {
 133                 "texture #3",
 134                 0.625, 1.125,
 135                 { 0.0, 0.0, 0.0, 1.0 }
 136         },
 137                 {
 138                 "texture #4",
 139                 0.875, 1.125,
 140                 { 0.0, 0.0, 0.0, 1.0 }
 141         },
 142         {
 143                 "texture #5",
 144                 0.125, 1.375,
 145                 { 0.0, 0.0, 0.0, 1.0 }
 146         },
 147         {
 148                 "texture #6",
 149                 0.375, 1.375,
 150                 { 0.0, 0.0, 0.0, 1.0 }
 151         },
 152         {
 153                 "texture #7",
 154                 0.625, 1.375,
 155                 { 0.0, 0.0, 0.0, 1.0 }
 156         },
 157         {
 158                 "texture #8",
 159                 0.875, 1.375,
 160                 { 0.0, 0.0, 0.0, 1.0 }
 161         },
 162         {
 163                 "texture #9",
 164                 0.125, 1.625,
 165                 { 0.0, 0.0, 0.0, 1.0 }
 166         },
 167         {
 168                 "texture #10",
 169                 0.375, 1.625,
 170                 { 0.0, 0.0, 0.0, 1.0 }
 171         },
 172         {
 173                 "texture #11",
 174                 0.625, 1.625,
 175                 { 0.0, 0.0, 0.0, 1.0 }
 176         },
 177         {
 178                 "texture #12",
 179                 0.875, 1.625,
 180                 { 0.0, 0.0, 0.0, 1.0 }
 181         },
 182         {
 183                 "texture #13",
 184                 0.125, 1.875,
 185                 { 0.0, 0.0, 0.0, 1.0 }
 186         },
 187         {
 188                 "texture #14",
 189                 0.375, 1.875,
 190                 { 0.0, 0.0, 0.0, 1.0 }
 191         },
 192         {
 193                 "texture #15",
 194                 0.625, 1.875,
 195                 { 0.0, 0.0, 0.0, 1.0 }
 196         },
 197         {
 198                 "texture #16",
 199                 0.875, 1.875,
 200                 { 0.0, 0.0, 0.0, 1.0 }
 201         },
 202
 203         // Sentinel!
 204         {
 205                 0,
 206                         0, 0,
 207                 { 0, 0, 0, 0 }
 208         }
 209 };
 210
 211 static bool DoTest( void )
 212 {
 213         int idx = 0;
 214         bool pass = true;
 215
 216         while(Probes[idx].name) {
 217                 pass = piglit_probe_pixel_rgba(
 218                         (int)(Probes[idx].x*piglit_width/2),
 219                         (int)(Probes[idx].y*piglit_height/2),
 220                         Probes[idx].expected) && pass;
 221                 idx++;
 222         }
 223
 224         return pass;
 225 }
 226
 227 enum piglit_result
 228 piglit_display(void)
 229 {
 230         bool pass;
 231
 232         piglit_gen_ortho_projection(0.0, 2.0, 0.0, 2.0, -2.0, 6.0, GL_FALSE);
 233
 234         DoFrame();
 235         pass = DoTest();
 236         piglit_present_results();
 237
 238         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 239 }
 240
 241 void
 242 piglit_init(int argc, char **argv)
 243 {
 244         int i, x, y;
 245         GLuint texname;
 246         GLubyte tex[4][4][4];
 247
 248         piglit_require_gl_version(13);
 249
 250         printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
 251
 252         piglit_require_fragment_program();
 253
 254         /*
 255          * Fragment programs
 256          */
 257         for(i = 0; i < NUM_PROGRAMS; ++i)
 258                 FragProg[i] = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB, ProgramText[i]);
 259
 260         /*
 261          * Textures
 262          */
 263         for(y = 0; y < 4; ++y) {
 264                 for(x = 0; x < 4; ++x) {
 265                         tex[y][x][0] = (x & 1) ? 255 : 0;
 266                         tex[y][x][1] = (x & 2) ? 255 : 0;
 267                         tex[y][x][2] = (y & 1) ? 255 : 0;
 268                         tex[y][x][3] = (y & 2) ? 255 : 0;
 269                 }
 270         }
 271
 272         glGenTextures(1, &texname);
 273         glActiveTexture(GL_TEXTURE0);
 274         glEnable(GL_TEXTURE_2D);
 275         glBindTexture(GL_TEXTURE_2D, texname);
 276         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0,
 277                      GL_RGBA, GL_UNSIGNED_BYTE, tex);
 278
 279         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 280         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 281 }