tests/spec/arb_tessellation_shader/invalid-get-program-params.c

   1 /*
   2  * Copyright © 2014 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"),
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   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
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  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * \file invalid-get-program-params.c
  26  *
  27  * From the ARB_tessellation_shader spec (Errors section):
  28  *
  29  *    "The error INVALID_OPERATION is generated by GetProgramiv if <pname>
  30  *    identifies a tessellation control or evaluation shader-specific property
  31  *    and <program> has not been linked successfully, or does not contain
  32  *    objects to form a shader whose type corresponds to <pname>."
  33  *
  34  * Test to get parameters from programs that lack the required shader type.
  35  */
  36
  37 #include "piglit-util-gl.h"
  38
  39 PIGLIT_GL_TEST_CONFIG_BEGIN
  40
  41         config.supports_gl_compat_version = 32;
  42         config.supports_gl_core_version = 32;
  43         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  44
  45 PIGLIT_GL_TEST_CONFIG_END
  46
  47
  48 static const char *const tcs_source =
  49 "#version 150\n"
  50 "#extension GL_ARB_tessellation_shader: require\n"
  51 "layout(vertices = 3) out;\n"
  52 "void main() {\n"
  53 "       gl_out[gl_InvocationID].gl_Position = vec4(0.0);\n"
  54 "       gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);\n"
  55 "       gl_TessLevelInner = float[2](1.0, 1.0);\n"
  56 "}\n";
  57
  58 static const char *const tes_source =
  59 "#version 150\n"
  60 "#extension GL_ARB_tessellation_shader: require\n"
  61 "layout(triangles) in;\n"
  62 "void main() { gl_Position = vec4(0.0); }\n";
  63
  64
  65 void
  66 piglit_init(int argc, char **argv)
  67 {
  68         bool pass = true;
  69         unsigned int tcs_prog, tes_prog;
  70         int i, v;
  71         static const GLenum tes_params[] = {
  72                 GL_TESS_GEN_MODE,
  73                 GL_TESS_GEN_SPACING,
  74                 GL_TESS_GEN_VERTEX_ORDER,
  75                 GL_TESS_GEN_POINT_MODE,
  76         };
  77
  78         piglit_require_extension("GL_ARB_tessellation_shader");
  79
  80         tcs_prog = glCreateShaderProgramv(GL_TESS_CONTROL_SHADER, 1,
  81                                           (const GLchar *const*)&tcs_source);
  82         pass = piglit_link_check_status(tcs_prog) && pass;
  83
  84         tes_prog = glCreateShaderProgramv(GL_TESS_EVALUATION_SHADER, 1,
  85                                           (const GLchar *const*)&tes_source);
  86         pass = piglit_link_check_status(tes_prog) && pass;
  87
  88         for (i = 0; i < ARRAY_SIZE(tes_params); ++i ) {
  89                 pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  90                 glGetProgramiv(tcs_prog, tes_params[i], &v);
  91                 pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  92         }
  93
  94         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  95         glGetProgramiv(tes_prog, GL_TESS_CONTROL_OUTPUT_VERTICES, &v);
  96         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  97
  98         glDeleteProgram(tcs_prog);
  99         glDeleteProgram(tes_prog);
 100
 101         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 102
 103         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 104 }
 105
 106
 107 enum piglit_result
 108 piglit_display(void)
 109 {
 110         return PIGLIT_PASS;
 111 }
 112