tests/shaders/glsl-max-vertex-attrib.c

   1 /*
   2  * Copyright © 2010 Intel Corporation
   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 /**
  26  * \file glsl-max-vertex-attrib.c
  27  * Test setting vertex attrib value of GL_MAX_VERTEX_ATTRIBS attrib
  28  *
  29  * Queries the value for GL_MAX_VERTEX_ATTRIBS and uses that as index
  30  * to set a value. GL specification states that GL_INVALID_VALUE should
  31  * occur if index >= GL_MAX_VERTEX_ATTRIBS.
  32  *
  33  * \author Sun Yi <yi.sun@intel.com>
  34  * \author Tapani Pälli <tapani.palli@intel.com>
  35  */
  36
  37 #include "piglit-util-gl.h"
  38
  39 PIGLIT_GL_TEST_CONFIG_BEGIN
  40
  41         config.supports_gl_compat_version = 10;
  42
  43         config.window_width = 250;
  44         config.window_height = 250;
  45         config.window_visual = PIGLIT_GL_VISUAL_RGB;
  46
  47 PIGLIT_GL_TEST_CONFIG_END
  48
  49 static int test = 0;
  50
  51 #define CHECK_GL_INVALID_VALUE \
  52         if (glGetError() != GL_INVALID_VALUE) return PIGLIT_FAIL; \
  53         else printf("glsl-max-vertex-attrib test %d passed\n", ++test);
  54
  55 static const char *vShaderString =
  56         "attribute float pos;\n"
  57         "void main()\n"
  58         "{\n"
  59         "       gl_Position = vec4(pos, 0.0, 0.0, 1.0);\n"
  60         "}\n";
  61
  62 static const char *fShaderString =
  63         "void main()\n"
  64         "{\n"
  65         "       gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\n"
  66         "}\n";
  67
  68 enum piglit_result piglit_display(void)
  69 {
  70         GLvoid *datap;
  71         GLint intv[] = { 1, 1, 1, 1 };
  72         GLfloat floatv[] = { 1.0, 1.0, 1.0, 1.0 };
  73         GLfloat quad[] = { -1.0, 1.0, 1.0, 1.0, -1.0, -1.0, 1.0, -1.0 };
  74
  75         GLsizei length;
  76         GLint size;
  77         GLenum type;
  78         GLchar buffer[64];
  79
  80         GLuint program;
  81         int maxAttribCount;
  82
  83         /* --- valid program needed for some of the functions --- */
  84         program = piglit_build_simple_program(vShaderString, fShaderString);
  85         piglit_check_gl_error(GL_NO_ERROR);
  86
  87         glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &maxAttribCount);
  88
  89         /* --- tests begin here --- */
  90
  91         glVertexAttrib1f(maxAttribCount, floatv[0]);
  92         CHECK_GL_INVALID_VALUE;
  93
  94         glVertexAttrib2f(maxAttribCount, floatv[0], floatv[1]);
  95         CHECK_GL_INVALID_VALUE;
  96
  97         glVertexAttrib3f(maxAttribCount, floatv[0], floatv[1], floatv[2]);
  98         CHECK_GL_INVALID_VALUE;
  99
 100         glVertexAttrib4f(maxAttribCount, floatv[0], floatv[1], floatv[2],
 101                          floatv[3]);
 102         CHECK_GL_INVALID_VALUE;
 103
 104         glVertexAttrib1fv(maxAttribCount, floatv);
 105         CHECK_GL_INVALID_VALUE;
 106
 107         glVertexAttrib2fv(maxAttribCount, floatv);
 108         CHECK_GL_INVALID_VALUE;
 109
 110         glVertexAttrib3fv(maxAttribCount, floatv);
 111         CHECK_GL_INVALID_VALUE;
 112
 113         glVertexAttrib4fv(maxAttribCount, floatv);
 114         CHECK_GL_INVALID_VALUE;
 115
 116         glVertexAttribPointer(maxAttribCount, 2, GL_FLOAT, GL_FALSE, 0, quad);
 117         CHECK_GL_INVALID_VALUE;
 118
 119         glBindAttribLocation(program, maxAttribCount, "pos");
 120         CHECK_GL_INVALID_VALUE;
 121
 122         glEnableVertexAttribArray(maxAttribCount);
 123         CHECK_GL_INVALID_VALUE;
 124
 125         glDisableVertexAttribArray(maxAttribCount);
 126         CHECK_GL_INVALID_VALUE;
 127
 128         glGetVertexAttribfv(maxAttribCount, GL_CURRENT_VERTEX_ATTRIB, floatv);
 129         CHECK_GL_INVALID_VALUE;
 130
 131         glGetVertexAttribiv(maxAttribCount, GL_CURRENT_VERTEX_ATTRIB, intv);
 132         CHECK_GL_INVALID_VALUE;
 133
 134         glGetVertexAttribPointerv(maxAttribCount, GL_VERTEX_ATTRIB_ARRAY_POINTER, &datap);
 135         CHECK_GL_INVALID_VALUE;
 136
 137         glGetActiveAttrib(program, maxAttribCount, 64, &length, &size, &type, buffer);
 138         CHECK_GL_INVALID_VALUE;
 139
 140         return PIGLIT_PASS;
 141 }
 142
 143 void piglit_init(int argc, char **argv)
 144 {
 145         piglit_require_gl_version(20);
 146 }