tests/spec/intel_conservative_rasterization/invalid.c

   1 /*
   2  * Copyright © 2016 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 /** @file invalid.c
  26  *
  27  * Verifies that with GL_INTEL_conservative_rasterization enabled, we
  28  * get specified errors when using invalid modes for that extension.
  29  */
  30
  31 #include "piglit-util-gl.h"
  32 #include "piglit-matrix.h"
  33
  34 PIGLIT_GL_TEST_CONFIG_BEGIN
  35
  36 #if defined(PIGLIT_USE_OPENGL)
  37         config.supports_gl_core_version = 42;
  38 #elif defined(PIGLIT_USE_OPENGL_ES3)
  39         config.supports_gl_es_version = 31;
  40 #endif
  41
  42 PIGLIT_GL_TEST_CONFIG_END
  43
  44 enum piglit_result
  45 piglit_display(void)
  46 {
  47         return PIGLIT_FAIL;
  48 }
  49
  50 void piglit_init(int argc, char **argv)
  51 {
  52         piglit_require_extension("GL_INTEL_conservative_rasterization");
  53
  54         GLuint prog = piglit_build_simple_program(
  55 #if defined(PIGLIT_USE_OPENGL)
  56                 "#version 330\n"
  57 #elif defined(PIGLIT_USE_OPENGL_ES3)
  58                 "#version 310 es\n"
  59                 "precision highp float;\n"
  60 #endif
  61                 "in vec4 piglit_vertex;\n"
  62                 "void main()\n"
  63                 "{\n"
  64                 "  gl_Position = piglit_vertex;\n"
  65                 "}\n",
  66 #if defined(PIGLIT_USE_OPENGL)
  67                 "#version 330\n"
  68 #elif defined(PIGLIT_USE_OPENGL_ES3)
  69                 "#version 310 es\n"
  70                 "precision highp float;\n"
  71 #endif
  72                 "\n"
  73                 "out vec4 color;\n"
  74                 "\n"
  75                 "void main()\n"
  76                 "{\n"
  77                 "  color = vec4(1.0, 0.0, 0.0, 1.0);\n"
  78                 "}\n");
  79         if (!prog)
  80                 piglit_report_result(PIGLIT_FAIL);
  81
  82         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
  83         glUseProgram(prog);
  84
  85         GLuint vao;
  86         glGenVertexArrays(1, &vao);
  87         glBindVertexArray(vao);
  88
  89         GLuint vbo;
  90         float vertices[3][2] = {
  91                 { -0.5, -1, },
  92                 { 0, 0.8, },
  93                 { 0.5, -1, },
  94         };
  95         glGenBuffers(1, &vbo);
  96         glBindBuffer(GL_ARRAY_BUFFER, vbo);
  97         glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
  98         glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
  99         glEnableVertexAttribArray(0);
 100
 101         glEnable(GL_CONSERVATIVE_RASTERIZATION_INTEL);
 102 #ifdef PIGLIT_USE_OPENGL
 103         glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 104 #endif
 105         glClear(GL_COLOR_BUFFER_BIT);
 106
 107         glDrawArrays(GL_POINTS, 0, 3);
 108         if (!piglit_check_gl_error(GL_INVALID_OPERATION))
 109                 piglit_report_result(PIGLIT_FAIL);
 110
 111         glDrawArrays(GL_LINES, 0, 3);
 112         if (!piglit_check_gl_error(GL_INVALID_OPERATION))
 113                 piglit_report_result(PIGLIT_FAIL);
 114
 115 #ifdef PIGLIT_USE_OPENGL
 116         glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
 117         glDrawArrays(GL_LINES, 0, 3);
 118         if (!piglit_check_gl_error(GL_INVALID_OPERATION))
 119                 piglit_report_result(PIGLIT_FAIL);
 120
 121         glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 122         glDrawArrays(GL_LINES, 0, 3);
 123         if (!piglit_check_gl_error(GL_INVALID_OPERATION))
 124                 piglit_report_result(PIGLIT_FAIL);
 125 #endif
 126
 127         piglit_report_result(PIGLIT_PASS);
 128 }