tests/spec/ext_image_dma_buf_import/sample_common.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 <unistd.h>
  25
  26 #include "piglit-framework-gl/piglit_drm_dma_buf.h"
  27
  28 #include "image_common.h"
  29 #include "sample_common.h"
  30
  31 static const char fs_src[] =
  32         "#extension GL_OES_EGL_image_external : require\n"
  33         "precision mediump float;\n"
  34         "uniform samplerExternalOES sampler;\n"
  35         "varying vec2 texcoords;\n"
  36         "\n"
  37         "void main()\n"
  38         "{\n"
  39         "gl_FragColor = texture2D(sampler, texcoords);\n"
  40         "}\n";
  41 static const char vs_src[] =
  42         "attribute vec4 piglit_vertex;\n"
  43         "attribute vec4 piglit_texcoords;\n"
  44         "varying vec2 texcoords;\n"
  45         "\n"
  46         "void main()\n"
  47         "{\n"
  48         "       texcoords = piglit_texcoords.xy;\n"
  49         "       gl_Position = piglit_vertex;\n"
  50         "}\n";
  51
  52 enum piglit_result
  53 texture_for_egl_image(EGLImageKHR img, GLuint *out_tex)
  54 {
  55         GLuint tex;
  56         GLenum error;
  57
  58         glGenTextures(1, &tex);
  59         glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex);
  60
  61         /* Set the image as level zero */
  62         glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES,
  63                         (GLeglImageOES)img);
  64         error = glGetError();
  65
  66         /**
  67          * EGL may not support binding of external textures, this is not an
  68          * error.
  69          */
  70         if (error == GL_INVALID_OPERATION)
  71                 return PIGLIT_SKIP;
  72
  73         if (error != GL_NO_ERROR) {
  74                 printf("glEGLImageTargetTexture2DOES() failed: %s 0x%x\n",
  75                         piglit_get_gl_error_name(error), error);
  76                 return PIGLIT_FAIL;
  77         }
  78
  79         glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER,
  80                         GL_NEAREST);
  81         glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER,
  82                         GL_NEAREST);
  83
  84         *out_tex = tex;
  85
  86         return PIGLIT_PASS;
  87 }
  88
  89 void
  90 sample_tex(GLuint tex, unsigned x, unsigned y, unsigned w, unsigned h)
  91 {
  92         GLuint prog;
  93
  94         prog = piglit_build_simple_program(vs_src, fs_src);
  95
  96         glUseProgram(prog);
  97
  98         glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex);
  99         glUniform1i(glGetUniformLocation(prog, "sampler"), 0);
 100
 101         glViewport(x, y, w, h);
 102         piglit_draw_rect_tex(-1, -1, 2, 2,
 103                              0, 0, 1, 1);
 104
 105         glDeleteProgram(prog);
 106         glUseProgram(0);
 107 }
 108
 109 enum piglit_result
 110 egl_image_for_dma_buf_fd(struct piglit_dma_buf *buf, int fd, int fourcc, EGLImageKHR *out_img)
 111 {
 112         EGLint error;
 113         EGLImageKHR img;
 114         EGLint attr_packed[] = {
 115                 EGL_WIDTH, buf->w,
 116                 EGL_HEIGHT, buf->h,
 117                 EGL_LINUX_DRM_FOURCC_EXT, fourcc,
 118                 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
 119                 EGL_DMA_BUF_PLANE0_OFFSET_EXT, buf->offset[0],
 120                 EGL_DMA_BUF_PLANE0_PITCH_EXT, buf->stride[0],
 121                 EGL_NONE
 122         };
 123
 124         EGLint attr_nv12[] = {
 125                 EGL_WIDTH, buf->w,
 126                 EGL_HEIGHT, buf->h,
 127                 EGL_LINUX_DRM_FOURCC_EXT, fourcc,
 128                 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
 129                 EGL_DMA_BUF_PLANE0_OFFSET_EXT, buf->offset[0],
 130                 EGL_DMA_BUF_PLANE0_PITCH_EXT, buf->stride[0],
 131                 EGL_DMA_BUF_PLANE1_FD_EXT, fd,
 132                 EGL_DMA_BUF_PLANE1_OFFSET_EXT, buf->offset[1],
 133                 EGL_DMA_BUF_PLANE1_PITCH_EXT, buf->stride[1],
 134                 EGL_NONE
 135         };
 136
 137         EGLint attr_yuv420[] = {
 138                 EGL_WIDTH, buf->w,
 139                 EGL_HEIGHT, buf->h,
 140                 EGL_LINUX_DRM_FOURCC_EXT, fourcc,
 141                 EGL_DMA_BUF_PLANE0_FD_EXT, fd,
 142                 EGL_DMA_BUF_PLANE0_OFFSET_EXT, buf->offset[0],
 143                 EGL_DMA_BUF_PLANE0_PITCH_EXT, buf->stride[0],
 144                 EGL_DMA_BUF_PLANE1_FD_EXT, fd,
 145                 EGL_DMA_BUF_PLANE1_OFFSET_EXT, buf->offset[1],
 146                 EGL_DMA_BUF_PLANE1_PITCH_EXT, buf->stride[1],
 147                 EGL_DMA_BUF_PLANE2_FD_EXT, fd,
 148                 EGL_DMA_BUF_PLANE2_OFFSET_EXT, buf->offset[2],
 149                 EGL_DMA_BUF_PLANE2_PITCH_EXT, buf->stride[2],
 150                 EGL_NONE
 151         };
 152
 153         EGLint *attr;
 154         switch (fourcc) {
 155         case DRM_FORMAT_NV12:
 156         case DRM_FORMAT_P010:
 157         case DRM_FORMAT_P012:
 158         case DRM_FORMAT_P016:
 159                 attr = attr_nv12;
 160                 break;
 161         case DRM_FORMAT_YUV420:
 162         case DRM_FORMAT_YVU420:
 163                 attr = attr_yuv420;
 164                 break;
 165         default:
 166                 attr = attr_packed;
 167                 break;
 168         }
 169
 170         img = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT,
 171                                  EGL_LINUX_DMA_BUF_EXT, (EGLClientBuffer)0,
 172                                  attr);
 173         *out_img = img;
 174
 175         error = eglGetError();
 176
 177         /* EGL may not support the format, this is not an error. */
 178         if (!img && error == EGL_BAD_MATCH)
 179                 return PIGLIT_SKIP;
 180
 181         if (error != EGL_SUCCESS) {
 182                 printf("eglCreateImageKHR() failed: %s 0x%x\n",
 183                         piglit_get_egl_error_name(error), error);
 184
 185                 return PIGLIT_FAIL;
 186         }
 187
 188         if (!img) {
 189                 fprintf(stderr, "image creation succeeded but returned NULL\n");
 190                 return PIGLIT_FAIL;
 191         }
 192
 193         *out_img = img;
 194         return PIGLIT_PASS;
 195 }
 196
 197 static enum piglit_result
 198 sample_buffer(struct piglit_dma_buf *buf, int fourcc)
 199 {
 200         enum piglit_result res;
 201         EGLImageKHR img;
 202         GLuint tex;
 203         int w = buf->w;
 204         int h = buf->h;
 205
 206         res = egl_image_for_dma_buf_fd(buf, buf->fd, fourcc, &img);
 207
 208         /* Release the creator side of the buffer. */
 209         piglit_destroy_dma_buf(buf);
 210
 211         if (!img) {
 212                 /* Close the descriptor also, EGL does not have ownership */
 213                 close(buf->fd);
 214         }
 215
 216         if (res != PIGLIT_PASS)
 217                 return res;
 218
 219         res = texture_for_egl_image(img, &tex);
 220         if (res != PIGLIT_PASS)
 221                 goto destroy;
 222
 223         sample_tex(tex, 0, 0, w, h);
 224
 225 destroy:
 226         glDeleteTextures(1, &tex);
 227         eglDestroyImageKHR(eglGetCurrentDisplay(), img);
 228
 229         return res;
 230 }
 231
 232 enum piglit_result
 233 dma_buf_create_and_sample_32bpp(unsigned w, unsigned h,
 234                                 int fourcc, const unsigned char *src)
 235 {
 236         struct piglit_dma_buf *buf;
 237         enum piglit_result res;
 238
 239         res = piglit_create_dma_buf(w, h, fourcc, src, &buf);
 240         if (res != PIGLIT_PASS)
 241                 return res;
 242
 243         return sample_buffer(buf, fourcc);
 244 }