tests/shaders/createshaderprogram-bad-type.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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * \file createshaderprogram-bad-type.c
  26  * Call glCreateShaderProgramEXT with various program types, verify results
  27  *
  28  * \author Ian Romanick <ian.d.romanick@intel.com>
  29  */
  30 #include "piglit-util-gl.h"
  31
  32 PIGLIT_GL_TEST_CONFIG_BEGIN
  33
  34         config.supports_gl_compat_version = 10;
  35
  36         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  37
  38 PIGLIT_GL_TEST_CONFIG_END
  39
  40 static const char vs_text[] =
  41         "void main() { gl_Position = gl_Vertex; }";
  42
  43 static const char gs_text[] =
  44         "#extension GL_EXT_geometry_shader4: enable\n"
  45         "#extension GL_ARB_geometry_shader4: enable\n"
  46         "void main() {\n"
  47         "    for(int i = 0; i < gl_VerticesIn; i++) {\n"
  48         "        gl_Position = gl_PositionIn[i];\n"
  49         "        EmitVertex();\n"
  50         "    }\n"
  51         "    EndPrimitive();\n"
  52         "}\n"
  53         ;
  54
  55 static const char fs_text[] =
  56         "void main() { gl_FragColor = vec4(0.0); }";
  57
  58 enum piglit_result
  59 piglit_display(void)
  60 {
  61         return PIGLIT_FAIL;
  62 }
  63
  64 GLboolean
  65 try_CreateShaderProgram(GLenum type, const char *source, GLenum expect)
  66 {
  67         GLboolean pass = GL_TRUE;
  68         GLenum err;
  69         GLuint prog;
  70
  71         /* There shouldn't be any GL errors, but clear them all just to be
  72          * sure.
  73          */
  74         while (glGetError() != 0)
  75                 /* empty */ ;
  76
  77         /* Type is not one of the known shader types.  This should generate
  78          * the error GL_INVALID_ENUM.
  79          */
  80         prog = glCreateShaderProgramEXT(type, source);
  81
  82         err = glGetError();
  83         if (err != expect) {
  84                 printf("Unexpected OpenGL error state 0x%04x for "
  85                        "glCreateShaderProgramEXT called with\n"
  86                        "the %sshader target 0x%04x (expected 0x%04x).\n",
  87                        err, (expect == 0) ? "" : "invalid ", type, expect);
  88                 pass = GL_FALSE;
  89         }
  90
  91         while (glGetError() != 0)
  92                 /* empty */ ;
  93
  94         /* Exactly one of expect or prog should be zero.  If the caller expected
  95          * an error (expect != 0), a program should not have been created.  If
  96          * the caller expected success, a program should have been created.
  97          */
  98         if ((expect == 0) != (prog != 0)) {
  99                 printf("Expected that a program would %sbe created, "
 100                        "but instead one was %screated.\n",
 101                        (expect == 0) ? "not " : "",
 102                        (prog == 0) ? "not " : "");
 103                 pass = GL_FALSE;
 104         }
 105
 106         return pass;
 107 }
 108
 109 void
 110 piglit_init(int argc, char **argv)
 111 {
 112         const GLenum expect = (piglit_is_extension_supported("GL_ARB_geometry_shader4")
 113                                || piglit_is_extension_supported("GL_EXT_geometry_shader4")
 114                                || piglit_is_extension_supported("GL_NV_geometry_shader4"))
 115                 ? 0 : GL_INVALID_ENUM;
 116         GLboolean pass;
 117
 118         piglit_require_gl_version(20);
 119
 120         piglit_require_extension("GL_EXT_separate_shader_objects");
 121
 122         pass = try_CreateShaderProgram(GL_PROXY_TEXTURE_3D, vs_text,
 123                                        GL_INVALID_ENUM);
 124         pass = try_CreateShaderProgram(GL_VERTEX_SHADER, vs_text, 0)
 125                 && pass;
 126         pass = try_CreateShaderProgram(GL_FRAGMENT_SHADER, fs_text, 0)
 127                 && pass;
 128         pass = try_CreateShaderProgram(GL_GEOMETRY_SHADER_ARB, gs_text, expect)
 129                 && pass;
 130
 131         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 132 }