tests/spec/gl-1.4/multidrawarrays-errors.c

   1 /*
   2  * Copyright 2017 Advanced Micro Devices, Inc.
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * Test error conditions of glMultiDrawArrays.
  26  * glMultiDrawArrays is part of GL 1.4 and later.
  27  *
  28  * Based loosely on dlist-multidrawarrays.c.
  29  */
  30
  31 #include "piglit-util-gl.h"
  32
  33
  34 PIGLIT_GL_TEST_CONFIG_BEGIN
  35         config.supports_gl_compat_version = 14;
  36         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  37         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  38 PIGLIT_GL_TEST_CONFIG_END
  39
  40
  41 static const float verts[][2] = {
  42         { -1.0f, -1.0f },
  43         {  1.0f, -1.0f },
  44         {  1.0f,  1.0f },
  45         { -1.0f,  1.0f }
  46 };
  47
  48 static const float zero[] = { 0.0f, 0.0f, 0.0f, 0.0f };
  49
  50 static bool
  51 test_draw_negative_primcount()
  52 {
  53         int first = 0;
  54         GLsizei count = 4;
  55
  56         glClearColor(0.0, 0.0, 0.0, 0.0);
  57         glClear(GL_COLOR_BUFFER_BIT);
  58
  59         glEnableClientState(GL_VERTEX_ARRAY);
  60         glVertexPointer(2, GL_FLOAT, 0, verts);
  61
  62         /* Section 2.3.1 (Errors) of the OpenGL 4.5 (Core Profile) spec says:
  63          *
  64          *    "Several error generation conditions are implicit in the
  65          *     description of every GL command.
  66          *
  67          *       ...
  68          *
  69          *       * If a negative number is provided where an argument of type
  70          *         sizei or sizeiptr is specified, an INVALID_VALUE error is
  71          *         generated.
  72          */
  73         glMultiDrawArrays(GL_TRIANGLE_STRIP, &first, &count, -1);
  74         if (!piglit_check_gl_error(GL_INVALID_VALUE))
  75                 return false;
  76
  77         return piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, zero);
  78 }
  79
  80 static bool
  81 test_draw_negative_count()
  82 {
  83         static const int first[2] = { 0, 0 };
  84         static const GLsizei count[2] = { 4, -1 };
  85
  86         glClearColor(0.0, 0.0, 0.0, 0.0);
  87         glClear(GL_COLOR_BUFFER_BIT);
  88
  89         glEnableClientState(GL_VERTEX_ARRAY);
  90         glVertexPointer(2, GL_FLOAT, 0, verts);
  91
  92         /* Section 10.4 (Drawing Commands Using Vertex Arrays) of the
  93          * OpenGL 4.5 (Core Profile) spec describes the following error
  94          * condition for glDrawArraysOneInstance, which is used to describe
  95          * the semantics of glMultiDrawArrays:
  96          *
  97          *    "An INVALID_VALUE error is generated if count is negative."
  98          *
  99          * Furthermore, section 2.3.1 (Errors) of the OpenGL 4.5 (Core Profile)
 100          * spec says:
 101          *
 102          *    "Currently, when an error flag is set, results of GL operation
 103          *     are undefined only if an OUT_OF_MEMORY error has occurred. In
 104          *     other cases, there are no side effects unless otherwise noted;
 105          *     the command which generates the error is ignored so that it has
 106          *     no effect on GL state or framebuffer contents."
 107          *
 108          * We explicitly check that no draw occurred, even though only the
 109          * second primitive results in an error.
 110          */
 111         glMultiDrawArrays(GL_TRIANGLE_STRIP, first, count, 2);
 112         if (!piglit_check_gl_error(GL_INVALID_VALUE))
 113                 return false;
 114
 115         return piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, zero);
 116 }
 117
 118
 119 enum piglit_result
 120 piglit_display(void)
 121 {
 122         bool pass = true;
 123
 124 #define subtest(name) \
 125         do { \
 126                 if (!test_##name()) { \
 127                         printf(#name " test failed.\n"); \
 128                         pass = false; \
 129                 } \
 130         } while (false)
 131
 132         subtest(draw_negative_count);
 133         subtest(draw_negative_primcount);
 134
 135 #undef subtest
 136
 137         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 138 }
 139
 140
 141 void
 142 piglit_init(int argc, char **argv)
 143 {
 144         /* nothing */
 145 }