tests/general/draw-arrays-colormaterial.c

   1 /*
   2  * Copyright © 2011 VMware, Inc.
   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
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  */
  24
  25
  26 /**
  27  * Test glDrawArrays with glColorMaterial.
  28  * This exercises a Mesa bug where glColor() calls didn't effect
  29  * the color of lit surfaces when color material mode was used.
  30  */
  31
  32
  33 #include "piglit-util-gl.h"
  34
  35 PIGLIT_GL_TEST_CONFIG_BEGIN
  36
  37         config.supports_gl_compat_version = 10;
  38
  39         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  40         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  41
  42 PIGLIT_GL_TEST_CONFIG_END
  43
  44 #define DX0 -0.6
  45
  46 static GLfloat pos0[4][3] =
  47 {
  48         {  0.5 + DX0, -0.5, 0.0 },
  49         {  0.5 + DX0,  0.5, 0.0 },
  50         {  -0.5 + DX0,  0.5, 0.0 },
  51         {  -0.5 + DX0, -0.5, 0.0 }
  52 };
  53
  54 #define DX1 0.6
  55
  56 static GLfloat pos1[4][3] =
  57 {
  58         {  0.5 + DX1, -0.5, 0.0 },
  59         {  0.5 + DX1,  0.5, 0.0 },
  60         {  -0.5 + DX1,  0.5, 0.0 },
  61         {  -0.5 + DX1, -0.5, 0.0 }
  62 };
  63
  64 static GLfloat norms[4][3] =
  65 {
  66         { 0, 0, 1},
  67         { 0, 0, 1},
  68         { 0, 0, 1},
  69         { 0, 0, 1}
  70 };
  71
  72
  73 enum piglit_result
  74 piglit_display(void)
  75 {
  76         static const GLfloat red[3] = {1.0f, 0.0f, 0.0f};
  77         static const GLfloat green[3] = {0.0f, 1.0f, 0.0f};
  78         GLboolean pass = GL_TRUE;
  79
  80         glEnable(GL_LIGHTING);
  81         glEnable(GL_LIGHT0);
  82
  83         glEnable(GL_COLOR_MATERIAL);
  84         glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
  85
  86         glClearColor(0.3, 0.3, 0.3, 1);
  87         glClear(GL_COLOR_BUFFER_BIT);
  88
  89         /* red */
  90         glColor3f(1, 0, 0);
  91         glEnableClientState(GL_VERTEX_ARRAY);
  92         glEnableClientState(GL_NORMAL_ARRAY);
  93         glVertexPointer(3, GL_FLOAT, 0, pos0);
  94         glNormalPointer(GL_FLOAT, 0, norms);
  95         glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
  96
  97         /* green */
  98         glColor3f(0, 1, 0);
  99         glVertexPointer(3, GL_FLOAT, 0, pos1);
 100         glNormalPointer(GL_FLOAT, 0, norms);
 101         glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
 102
 103         glDisableClientState(GL_VERTEX_ARRAY);
 104         glDisableClientState(GL_NORMAL_ARRAY);
 105
 106         glDisable(GL_LIGHTING);
 107
 108         if (!piglit_probe_pixel_rgb(piglit_width * 1 / 3,
 109                                     piglit_height / 2, red)) {
 110                 pass = GL_FALSE;
 111         }
 112
 113         if (!piglit_probe_pixel_rgb(piglit_width * 2 / 3,
 114                                     piglit_height / 2, green)) {
 115                 pass = GL_FALSE;
 116         }
 117
 118         piglit_present_results();
 119
 120         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 121 }
 122
 123
 124 void
 125 piglit_init(int argc, char **argv)
 126 {
 127         /* nop */
 128 }