tests/spec/ext_external_objects/vk_vert_buf_update_errors.c

   1 /*
   2  * Copyright © 2020 Igalia S.L.
   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
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Author:
  24  *    Eleni Maria Stea <estea@igalia.com>
  25  */
  26
  27 #include <piglit-util.h>
  28 #include "interop.h"
  29
  30 PIGLIT_GL_TEST_CONFIG_BEGIN
  31
  32 config.supports_gl_compat_version = 30;
  33 config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  34 config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  35
  36 PIGLIT_GL_TEST_CONFIG_END
  37
  38 static void cleanup();
  39 static void vk_cleanup();
  40 static void gl_cleanup();
  41
  42 static bool vk_init();
  43 static bool gl_init();
  44
  45 static struct vk_ctx vk_core;
  46 static struct vk_buf vk_vb;
  47 static VkBufferUsageFlagBits vk_vb_usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT |
  48                                            VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
  49                                            VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
  50 struct Vec2 {
  51         float x;
  52         float y;
  53 };
  54
  55 static const float bgc[3] = { 1.0, 0.0, 0.0 };
  56 static void gen_checkerboard_quads(struct Vec2 *vptr);
  57
  58 #define WHITE_QUADS 32
  59 #define WHITE_TRIANGLES (WHITE_QUADS * 2)
  60 #define WHITE_VERTS (WHITE_TRIANGLES * 3)
  61
  62 static GLuint gl_prog;
  63 static GLuint gl_memobj;
  64 static GLuint gl_vk_vb;
  65
  66 static const char vs[] =
  67         "#version 130\n"
  68         "in vec2 vertex;\n"
  69         "void main()\n"
  70         "{\n"
  71         "    gl_Position = vec4(vertex, 0.0, 1.0);\n"
  72         "}\n";
  73
  74 static const char fs[] =
  75         "#version 130\n"
  76         "out vec4 color;\n"
  77         "void main() \n"
  78         "{\n"
  79         "    color = vec4(0.0, 0.0, 1.0, 1.0);\n"
  80         "}\n";
  81
  82 void
  83 piglit_init(int argc, char **argv)
  84 {
  85         piglit_require_extension("GL_EXT_memory_object");
  86         piglit_require_extension("GL_EXT_memory_object_fd");
  87         piglit_require_extension("GL_ARB_texture_storage");
  88         piglit_require_extension("GL_ARB_pixel_buffer_object");
  89
  90         atexit(cleanup);
  91
  92         if (!vk_init()) {
  93                 fprintf(stderr, "Failed to initialize Vulkan, skipping the test.\n");
  94                 piglit_report_result(PIGLIT_SKIP);
  95         }
  96
  97         if (!gl_create_mem_obj_from_vk_mem(&vk_core, &vk_vb.mobj, &gl_memobj)) {
  98                 fprintf(stderr, "Failed to create GL memory object from Vulkan memory.\n");
  99                 piglit_report_result(PIGLIT_FAIL);
 100         }
 101
 102         if (!gl_gen_buf_from_mem_obj(gl_memobj, GL_ARRAY_BUFFER, vk_vb.mobj.mem_sz, 0, &gl_vk_vb)) {
 103                 fprintf(stderr, "Failed to create GL buffer from memory object.\n");
 104                 piglit_report_result(PIGLIT_FAIL);
 105         }
 106
 107         if (!gl_init()) {
 108                 fprintf(stderr, "Failed to initialize OpenGL\n");
 109                 piglit_report_result(PIGLIT_FAIL);
 110         }
 111 }
 112
 113 static enum piglit_result
 114 check_chessboard_pattern()
 115 {
 116         int i, j;
 117         float expected_color[2][4] = {
 118                 {0.0, 0.0, 1.0, 1.0},
 119                 {1.0, 0.0, 0.0, 1.0},
 120         };
 121
 122         for (i = 0; i < 8; i++) {
 123                 int y = i * piglit_height / 8 + piglit_height / 16;
 124                 for (j = 0; j < 8; j++) {
 125                         int x = j * piglit_width / 8 + piglit_width / 16;
 126                         int chess = (i & 1) ^ (j & 1);
 127                         if (!piglit_probe_pixel_rgba(x, y, expected_color[chess]))
 128                                 return PIGLIT_FAIL;
 129                 }
 130         }
 131
 132         return PIGLIT_PASS;
 133 }
 134
 135 enum piglit_result
 136 piglit_display(void)
 137 {
 138         enum piglit_result res = PIGLIT_PASS;
 139         float checkerboard[WHITE_VERTS * 2];
 140
 141         /* Fill with checkerboard data. */
 142         gen_checkerboard_quads((struct Vec2 *) &checkerboard);
 143
 144         glUseProgram(gl_prog);
 145
 146         /* We are going to use the Vulkan allocated vertex buffer
 147          * in an OpenGL shader that paints the pixels blue.
 148          * As the vertices are set to render quads following a checkerboard
 149          * pattern (quad, no geometry, quad, no geometry) we should
 150          * see a checkerboard pattern where the color is blue when
 151          * we have geometry and red (framebuffer color) where there's no
 152          * geometry.
 153          */
 154
 155         glBindBuffer(GL_ARRAY_BUFFER, gl_vk_vb);
 156         glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, 0);
 157         glEnableVertexAttribArray(0);
 158
 159         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 160         glDrawArrays(GL_TRIANGLES, 0, WHITE_VERTS);
 161         glBindBuffer(GL_ARRAY_BUFFER, 0);
 162
 163         /* Since Vk buffer is initially empty, expectation is bg color. */
 164         piglit_probe_rect_rgb(0, 0, piglit_width, piglit_height, bgc);
 165
 166         piglit_present_results();
 167
 168         /* Checking that calling glBufferSubData updates buffer succesfully. */
 169         glBindBuffer(GL_ARRAY_BUFFER, gl_vk_vb);
 170         glBufferSubData(GL_ARRAY_BUFFER, 0, vk_vb.mobj.mem_sz, checkerboard);
 171         if (glGetError() != GL_NO_ERROR) {
 172                 fprintf(stderr, "glBufferSubData should not throw error!\n");
 173                 return PIGLIT_FAIL;
 174         }
 175
 176         /* Render again, check that the result matches checkerboard pattern */
 177         glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 178         glDrawArrays(GL_TRIANGLES, 0, WHITE_VERTS);
 179         glBindBuffer(GL_ARRAY_BUFFER, 0);
 180
 181         if ((res = check_chessboard_pattern()) == PIGLIT_FAIL) {
 182                 fprintf(stderr, "Vulkan buffer has not been modified.\n");
 183                 return res;
 184         }
 185
 186         piglit_present_results();
 187         return res;
 188 }
 189
 190 static void
 191 vk_cleanup()
 192 {
 193         vk_destroy_buffer(&vk_core, &vk_vb);
 194         vk_cleanup_ctx(&vk_core);
 195 }
 196
 197 static void
 198 gl_cleanup()
 199 {
 200         glDeleteProgram(gl_prog);
 201         glDeleteMemoryObjectsEXT(1, &gl_memobj);
 202         glDeleteBuffers(1, &gl_vk_vb);
 203 }
 204
 205 static void
 206 cleanup()
 207 {
 208         vk_cleanup();
 209         gl_cleanup();
 210 }
 211
 212 static bool
 213 vk_init()
 214 {
 215         if (!vk_init_ctx(&vk_core)) {
 216                 fprintf(stderr, "Failed to initialize Vulkan context.\n");
 217                 return false;
 218         }
 219
 220         if (!vk_create_ext_buffer(&vk_core, WHITE_VERTS * sizeof(struct Vec2), vk_vb_usage, &vk_vb)) {
 221                 fprintf(stderr, "Failed to create external Vulkan vertex buffer.\n");
 222                 return false;
 223         }
 224
 225         /* Filling the Vulkan vertex buffer with vdata */
 226         struct Vec2 *pdata;
 227         if (vkMapMemory(vk_core.dev, vk_vb.mobj.mem, 0,
 228                         vk_vb.mobj.mem_sz, 0, (void**)&pdata) != VK_SUCCESS) {
 229                 fprintf(stderr, "Failed to map Vulkan buffer memory.\n");
 230                 piglit_report_result(PIGLIT_FAIL);
 231         }
 232         memset(pdata, 0, vk_vb.mobj.mem_sz);
 233         vkUnmapMemory(vk_core.dev, vk_vb.mobj.mem);
 234
 235         return true;
 236 }
 237
 238 static bool
 239 gl_init()
 240 {
 241         glClearColor(bgc[0], bgc[1], bgc[2], 1.0);
 242         glClear(GL_COLOR_BUFFER_BIT);
 243
 244         gl_prog = piglit_build_simple_program(vs, fs);
 245         return true;
 246 }
 247
 248 #define QUAD_SIZE (2.0 / 8.0)
 249 #define ADD_QUAD_VERT(a, b) do {vptr->x = a; vptr->y = b; vptr++;} while(0)
 250 static void
 251 gen_checkerboard_quads(struct Vec2 *vptr)
 252 {
 253         int i, j;
 254         struct Vec2 pos;
 255
 256         for (i = 0; i < 8; i++) {
 257                 pos.x = -1 + (i % 2) * QUAD_SIZE;
 258                 pos.y = -1 + i * QUAD_SIZE;
 259
 260                 for (j = 0; j < 4; j++) {
 261                         ADD_QUAD_VERT(pos.x, pos.y);
 262                         ADD_QUAD_VERT(pos.x + QUAD_SIZE, pos.y);
 263                         ADD_QUAD_VERT(pos.x + QUAD_SIZE, pos.y + QUAD_SIZE);
 264                         ADD_QUAD_VERT(pos.x, pos.y);
 265                         ADD_QUAD_VERT(pos.x + QUAD_SIZE, pos.y + QUAD_SIZE);
 266                         ADD_QUAD_VERT(pos.x, pos.y + QUAD_SIZE);
 267
 268                         pos.x += QUAD_SIZE * 2.0;
 269                 }
 270         }
 271 }