tests/spec/gl-4.4/gl_max_vertex_attrib_stride.c

   1 /*
   2  * Copyright (c) 2014 Timothy Arceri <t_arceri@yahoo.com.au>
   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,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NON-INFRINGEMENT.  IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24
  25 #include "piglit-util-gl.h"
  26 #include "minmax-test.h"
  27
  28 PIGLIT_GL_TEST_CONFIG_BEGIN
  29
  30         config.supports_gl_core_version = 44;
  31         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  32
  33 PIGLIT_GL_TEST_CONFIG_END
  34
  35 static bool check_stride(char *function, bool check_valid)
  36 {
  37         bool pass = true;
  38
  39         if (check_valid) {
  40                 if (!piglit_check_gl_error(GL_NO_ERROR)) {
  41                         fprintf(stderr, "error when testing valid "
  42                                 "MAX_VERTEX_ATTRIB_STRIDE with %s\n",
  43                                 function);
  44                         pass = false;
  45                 }
  46         } else {
  47                 if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
  48                         fprintf(stderr, "GL_INVALID_VALUE should be generated when setting"
  49                                 " %s stride too value large than MAX_VERTEX_ATTRIB_STRIDE\n",
  50                                 function);
  51                         pass = false;
  52                 }
  53         }
  54
  55         return pass;
  56 }
  57
  58 static bool test_stride_vertex_attribl(GLint stride,
  59                                        bool check_valid)
  60 {
  61         glVertexAttribLPointer(0, 4, GL_DOUBLE, stride, NULL);
  62
  63         return check_stride("glVertexAttribLPointer", check_valid);
  64 }
  65
  66 static bool test_stride_vertex_attribi(GLint stride,
  67                                        bool check_valid)
  68 {
  69         glVertexAttribIPointer(0, 4, GL_UNSIGNED_INT,
  70                                stride, NULL);
  71
  72         return check_stride("glVertexAttribIPointer", check_valid);
  73 }
  74
  75 static bool test_stride_vertex_attrib(GLint stride,
  76                                       bool check_valid)
  77 {
  78         glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE,
  79                               stride, NULL);
  80
  81         return check_stride("glVertexAttribPointer", check_valid);
  82 }
  83
  84 static bool test_stride_bind_buffers(GLint stride,
  85                                      bool check_valid)
  86 {
  87         GLint strides[2];
  88         GLuint buf[2];
  89         GLintptr offsets[2] = { 1024, 1024 };
  90
  91         glGetIntegerv(GL_MAX_VERTEX_ATTRIB_STRIDE, &strides[0]);
  92         strides[1] = stride;
  93
  94         /* Create buffer objects */
  95         glGenBuffers(2, buf);
  96         glBindBuffer(GL_ARRAY_BUFFER, buf[0]);
  97         glBindBuffer(GL_ARRAY_BUFFER, buf[1]);
  98
  99         glBindVertexBuffers(0, 2, buf, offsets, strides);
 100
 101         return check_stride("glBindVertexBuffers", check_valid);
 102 }
 103
 104 static bool test_stride_bind_buffer(GLint stride,
 105                                     bool check_valid)
 106 {
 107         GLuint vbo;
 108
 109         /* Create a buffer object */
 110         glGenBuffers(1, &vbo);
 111         glBindBuffer(GL_ARRAY_BUFFER, vbo);
 112
 113         glBindVertexBuffer(0, vbo, 1024, stride);
 114
 115         return check_stride("glBindVertexBuffer", check_valid);
 116 }
 117
 118 void piglit_init(int argc, char **argv)
 119 {
 120         bool pass = true;
 121         GLint stride_max, stride_max_plus_one;
 122         GLuint vao;
 123
 124         /* Create and bind a vertex array object, this is needed
 125            for glBindBuffer* tests */
 126         glGenVertexArrays(1, &vao);
 127         glBindVertexArray(vao);
 128
 129         glGetIntegerv(GL_MAX_VERTEX_ATTRIB_STRIDE, &stride_max);
 130         stride_max_plus_one = stride_max + 1;
 131
 132         piglit_test_min_int(GL_MAX_VERTEX_ATTRIB_STRIDE, 2048);
 133         pass = piglit_minmax_pass;
 134
 135         /* Try passing the max stride value */
 136         pass = test_stride_bind_buffer(stride_max, true) && pass;
 137         pass = test_stride_bind_buffers(stride_max, true) && pass;
 138         pass = test_stride_vertex_attrib(stride_max, true) && pass;
 139         pass = test_stride_vertex_attribi(stride_max, true) && pass;
 140         pass = test_stride_vertex_attribl(stride_max, true) && pass;
 141
 142         /* Try passing a stride value that is to large */
 143         if (!piglit_khr_no_error) {
 144                 pass = test_stride_bind_buffer(stride_max_plus_one, false) && pass;
 145                 pass = test_stride_bind_buffers(stride_max_plus_one, false) && pass;
 146                 pass = test_stride_vertex_attrib(stride_max_plus_one, false) && pass;
 147                 pass = test_stride_vertex_attribi(stride_max_plus_one, false) && pass;
 148                 pass = test_stride_vertex_attribl(stride_max_plus_one, false) && pass;
 149         }
 150
 151         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 152 }
 153
 154 enum piglit_result
 155 piglit_display(void)
 156 {
 157         return PIGLIT_PASS;
 158 }