tests/spec/ext_image_dma_buf_import/missing_attributes.c

   1 /*
   2  * Copyright © 2013 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 #include "piglit-framework-gl/piglit_drm_dma_buf.h"
  25
  26 #include "image_common.h"
  27
  28 /**
  29  * @file missing_attributes.c
  30  *
  31  * Tests that EGL detects missing attributes correctly.
  32  *
  33  * From the EXT_image_dma_buf_import spec:
  34  *
  35  * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
  36  *  incomplete, EGL_BAD_PARAMETER is generated."
  37  */
  38
  39 PIGLIT_GL_TEST_CONFIG_BEGIN
  40
  41         config.supports_gl_es_version = 10;
  42
  43 PIGLIT_GL_TEST_CONFIG_END
  44
  45 #define NUM_MANDATORY_ATTRS 6
  46
  47 static bool
  48 test_missing(int fd, const EGLint *attr)
  49 {
  50         EGLImageKHR img;
  51
  52         img = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT,
  53                         EGL_LINUX_DMA_BUF_EXT, (EGLClientBuffer)NULL, attr);
  54
  55         if (!piglit_check_egl_error(EGL_BAD_PARAMETER)) {
  56                 if (img)
  57                         eglDestroyImageKHR(eglGetCurrentDisplay(), img);
  58                 return false;
  59         }
  60
  61         return true;
  62 }
  63
  64 static void
  65 fill_full_set(unsigned w, unsigned h, EGLint fd, EGLint offset, EGLint stride,
  66         EGLint *out)
  67 {
  68         /* Reference set containing all the mandatory attributes. */
  69         const EGLint all[2 * NUM_MANDATORY_ATTRS] = {
  70                 EGL_WIDTH, w,
  71                 EGL_HEIGHT, h,
  72                 EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_ARGB8888,
  73                 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
  74                 EGL_DMA_BUF_PLANE0_OFFSET_EXT, offset,
  75                 EGL_DMA_BUF_PLANE0_PITCH_EXT, stride
  76         };
  77
  78         memcpy(out, all, sizeof(all));
  79 }
  80
  81 static void
  82 fill_one_missing(const EGLint *all, EGLint *out, EGLint missing)
  83 {
  84         unsigned i, j;
  85
  86         for (i = j = 0; i < NUM_MANDATORY_ATTRS; ++i) {
  87                 if (all[2 * i] != missing) {
  88                         out[2 * j + 0] = all[2 * i + 0];
  89                         out[2 * j + 1] = all[2 * i + 1];
  90                         ++j;
  91                 }
  92         }
  93
  94         out[2 * j] = EGL_NONE;
  95 }
  96
  97 /**
  98  * Here one tries to create an image with six different attribute sets each
  99  * missing one of the mandatory attribute.
 100  *
 101  * One and same buffer is used for all the tests. Each test is expected to fail
 102  * meaning that the ownership is not transferred to the EGL in any point.
 103  */
 104 enum piglit_result
 105 piglit_display(void)
 106 {
 107         const unsigned w = 2;
 108         const unsigned h = 2;
 109         const unsigned cpp = 4;
 110         const unsigned fourcc = DRM_FORMAT_ARGB8888;
 111         const unsigned char *pixels = alloca(w * h * cpp);
 112         EGLint all[2 * NUM_MANDATORY_ATTRS];
 113         EGLint missing[2 * (NUM_MANDATORY_ATTRS - 1) + 1];
 114         struct piglit_dma_buf *buf;
 115         enum piglit_result res;
 116         bool pass = true;
 117
 118         res = piglit_create_dma_buf(w, h, fourcc, pixels, &buf);
 119         if (res != PIGLIT_PASS)
 120                 return res;
 121
 122         fill_full_set(w, h, buf->fd, buf->offset[0], buf->stride[0], all);
 123
 124         fill_one_missing(all, missing, EGL_HEIGHT);
 125         pass = test_missing(buf->fd, missing) && pass;
 126
 127         fill_one_missing(all, missing, EGL_WIDTH);
 128         pass = test_missing(buf->fd, missing) && pass;
 129
 130         fill_one_missing(all, missing, EGL_LINUX_DRM_FOURCC_EXT);
 131         pass = test_missing(buf->fd, missing) && pass;
 132
 133         fill_one_missing(all, missing, EGL_DMA_BUF_PLANE0_FD_EXT);
 134         pass = test_missing(buf->fd, missing) && pass;
 135
 136         fill_one_missing(all, missing, EGL_DMA_BUF_PLANE0_OFFSET_EXT);
 137         pass = test_missing(buf->fd, missing) && pass;
 138
 139         fill_one_missing(all, missing, EGL_DMA_BUF_PLANE0_PITCH_EXT);
 140         pass = test_missing(buf->fd, missing) && pass;
 141
 142         /**
 143          * EGL stack can claim the ownership of the file descriptor only when it
 144          * succeeds. Close the file descriptor here and check that it really
 145          * wasn't closed by EGL.
 146          */
 147         pass = (close(buf->fd) == 0) && pass;
 148
 149         piglit_destroy_dma_buf(buf);
 150
 151         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 152 }
 153
 154 void
 155 piglit_init(int argc, char **argv)
 156 {
 157         EGLDisplay egl_dpy = eglGetCurrentDisplay();
 158         piglit_require_egl_extension(egl_dpy, "EGL_EXT_image_dma_buf_import");
 159 }