tests/spec/arb_separate_shader_objects/rendezvous_by_location-invalid.c

   1 /*
   2  * Copyright © 2013, 2019 Intel Corporation
   3  * Copyright © 2015 Advanced Micro Devices, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * This test uses separable program objects with 2 shaders (VS, GS)
  27  * and tests that the same interface matching rules by location apply
  28  * in between the VS -> GS interface as if it would not be separable.
  29  */
  30
  31 #include "piglit-util-gl.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 0;
  36         config.supports_gl_core_version = 32;
  37         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  38
  39 PIGLIT_GL_TEST_CONFIG_END
  40
  41 static const char *vs_code =
  42         "#version 150\n"
  43         "#extension GL_ARB_separate_shader_objects: require\n"
  44         "#extension GL_ARB_explicit_attrib_location: require\n"
  45         "\n"
  46         "layout(location = 0) in vec4 piglit_vertex;\n"
  47         "\n"
  48         "layout(location = 2) out vec3 a;\n"
  49         "\n"
  50         "void main()\n"
  51         "{\n"
  52         "    gl_Position = piglit_vertex;\n"
  53         "    a = vec3(0.5, 0, 0.3);\n"
  54         "}\n"
  55         ;
  56
  57 static const char *gs_code =
  58         "#version 150\n"
  59         "#extension GL_ARB_separate_shader_objects: require\n"
  60         "#extension GL_ARB_explicit_attrib_location: require\n"
  61         "\n"
  62         "layout(triangles) in;\n"
  63         "layout(triangle_strip, max_vertices = 3) out;\n"
  64         "\n"
  65         "layout(location = 1) in vec3 va[];\n"
  66         "\n"
  67         "layout(location = 3) out vec3 ga;\n"
  68         "\n"
  69         "void main()\n"
  70         "{\n"
  71         "    for (int i = 0; i < 3; i++) {"
  72         "        gl_Position = gl_in[i].gl_Position;\n"
  73         "        ga = va[i] * 1.35;\n"
  74         "        EmitVertex();\n"
  75         "    }\n"
  76         "}\n"
  77         ;
  78
  79 enum piglit_result
  80 piglit_display(void)
  81 {
  82         /* UNREACHED */
  83         return PIGLIT_FAIL;
  84 }
  85
  86 void piglit_init(int argc, char **argv)
  87 {
  88         GLuint prog;
  89         bool pass;
  90
  91         piglit_require_extension("GL_ARB_separate_shader_objects");
  92         piglit_require_extension("GL_ARB_explicit_attrib_location");
  93
  94         prog = piglit_build_simple_program_unlinked_multiple_shaders(
  95                                 GL_VERTEX_SHADER, vs_code,
  96                                 GL_GEOMETRY_SHADER, gs_code,
  97                                 0);
  98
  99         glProgramParameteri(prog, GL_PROGRAM_SEPARABLE, GL_TRUE);
 100         piglit_check_gl_error(GL_NO_ERROR);
 101
 102         glLinkProgram(prog);
 103         pass = !piglit_link_check_status_quiet(prog);
 104
 105         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 106 }