src/freedreno/vulkan/tu_util.c

   1 /*
   2  * Copyright © 2015 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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "tu_private.h"
  25
  26 #include <assert.h>
  27 #include <errno.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32
  33 #include "util/u_math.h"
  34 #include "vk_enum_to_str.h"
  35
  36 /* TODO: Add Android support to tu_log funcs */
  37
  38 /** \see tu_loge() */
  39 static void
  40 tu_loge_v(const char *format, va_list va)
  41 {
  42    fprintf(stderr, "vk: error: ");
  43    vfprintf(stderr, format, va);
  44    fprintf(stderr, "\n");
  45 }
  46
  47
  48 /** Log an error message.  */
  49 void tu_printflike(1, 2) tu_loge(const char *format, ...)
  50 {
  51    va_list va;
  52
  53    va_start(va, format);
  54    tu_loge_v(format, va);
  55    va_end(va);
  56 }
  57
  58 /** \see tu_logi() */
  59 static void
  60 tu_logi_v(const char *format, va_list va)
  61 {
  62    fprintf(stderr, "tu: info: ");
  63    vfprintf(stderr, format, va);
  64    fprintf(stderr, "\n");
  65 }
  66
  67 /** Log an error message.  */
  68 void tu_printflike(1, 2) tu_logi(const char *format, ...)
  69 {
  70    va_list va;
  71
  72    va_start(va, format);
  73    tu_logi_v(format, va);
  74    va_end(va);
  75 }
  76
  77 void tu_printflike(3, 4)
  78    __tu_finishme(const char *file, int line, const char *format, ...)
  79 {
  80    va_list ap;
  81    char buffer[256];
  82
  83    va_start(ap, format);
  84    vsnprintf(buffer, sizeof(buffer), format, ap);
  85    va_end(ap);
  86
  87    fprintf(stderr, "%s:%d: FINISHME: %s\n", file, line, buffer);
  88 }
  89
  90 VkResult
  91 __vk_errorf(struct tu_instance *instance,
  92             VkResult error,
  93             const char *file,
  94             int line,
  95             const char *format,
  96             ...)
  97 {
  98    va_list ap;
  99    char buffer[256];
 100
 101    const char *error_str = vk_Result_to_str(error);
 102
 103 #ifndef DEBUG
 104    return error;
 105 #endif
 106
 107    if (format) {
 108       va_start(ap, format);
 109       vsnprintf(buffer, sizeof(buffer), format, ap);
 110       va_end(ap);
 111
 112       fprintf(stderr, "%s:%d: %s (%s)\n", file, line, buffer, error_str);
 113    } else {
 114       fprintf(stderr, "%s:%d: %s\n", file, line, error_str);
 115    }
 116
 117    return error;
 118 }
 119
 120 static void
 121 tu_tiling_config_update_tile_layout(struct tu_framebuffer *fb,
 122                                     const struct tu_device *dev,
 123                                     const struct tu_render_pass *pass)
 124 {
 125    const uint32_t tile_align_w = pass->tile_align_w;
 126    const uint32_t max_tile_width = 1024;
 127
 128    /* start from 1 tile */
 129    fb->tile_count = (VkExtent2D) {
 130       .width = 1,
 131       .height = 1,
 132    };
 133    fb->tile0 = (VkExtent2D) {
 134       .width = util_align_npot(fb->width, tile_align_w),
 135       .height = align(fb->height, TILE_ALIGN_H),
 136    };
 137
 138    if (unlikely(dev->physical_device->instance->debug_flags & TU_DEBUG_FORCEBIN)) {
 139       /* start with 2x2 tiles */
 140       fb->tile_count.width = 2;
 141       fb->tile_count.height = 2;
 142       fb->tile0.width = util_align_npot(DIV_ROUND_UP(fb->width, 2), tile_align_w);
 143       fb->tile0.height = align(DIV_ROUND_UP(fb->height, 2), TILE_ALIGN_H);
 144    }
 145
 146    /* do not exceed max tile width */
 147    while (fb->tile0.width > max_tile_width) {
 148       fb->tile_count.width++;
 149       fb->tile0.width =
 150          util_align_npot(DIV_ROUND_UP(fb->width, fb->tile_count.width), tile_align_w);
 151    }
 152
 153    /* will force to sysmem, don't bother trying to have a valid tile config
 154     * TODO: just skip all GMEM stuff when sysmem is forced?
 155     */
 156    if (!pass->gmem_pixels)
 157       return;
 158
 159    /* do not exceed gmem size */
 160    while (fb->tile0.width * fb->tile0.height > pass->gmem_pixels) {
 161       if (fb->tile0.width > MAX2(tile_align_w, fb->tile0.height)) {
 162          fb->tile_count.width++;
 163          fb->tile0.width =
 164             util_align_npot(DIV_ROUND_UP(fb->width, fb->tile_count.width), tile_align_w);
 165       } else {
 166          /* if this assert fails then layout is impossible.. */
 167          assert(fb->tile0.height > TILE_ALIGN_H);
 168          fb->tile_count.height++;
 169          fb->tile0.height =
 170             align(DIV_ROUND_UP(fb->height, fb->tile_count.height), TILE_ALIGN_H);
 171       }
 172    }
 173 }
 174
 175 static void
 176 tu_tiling_config_update_pipe_layout(struct tu_framebuffer *fb,
 177                                     const struct tu_device *dev)
 178 {
 179    const uint32_t max_pipe_count = 32; /* A6xx */
 180
 181    /* start from 1 tile per pipe */
 182    fb->pipe0 = (VkExtent2D) {
 183       .width = 1,
 184       .height = 1,
 185    };
 186    fb->pipe_count = fb->tile_count;
 187
 188    while (fb->pipe_count.width * fb->pipe_count.height > max_pipe_count) {
 189       if (fb->pipe0.width < fb->pipe0.height) {
 190          fb->pipe0.width += 1;
 191          fb->pipe_count.width =
 192             DIV_ROUND_UP(fb->tile_count.width, fb->pipe0.width);
 193       } else {
 194          fb->pipe0.height += 1;
 195          fb->pipe_count.height =
 196             DIV_ROUND_UP(fb->tile_count.height, fb->pipe0.height);
 197       }
 198    }
 199 }
 200
 201 static void
 202 tu_tiling_config_update_pipes(struct tu_framebuffer *fb,
 203                               const struct tu_device *dev)
 204 {
 205    const uint32_t max_pipe_count = 32; /* A6xx */
 206    const uint32_t used_pipe_count =
 207       fb->pipe_count.width * fb->pipe_count.height;
 208    const VkExtent2D last_pipe = {
 209       .width = (fb->tile_count.width - 1) % fb->pipe0.width + 1,
 210       .height = (fb->tile_count.height - 1) % fb->pipe0.height + 1,
 211    };
 212
 213    assert(used_pipe_count <= max_pipe_count);
 214    assert(max_pipe_count <= ARRAY_SIZE(fb->pipe_config));
 215
 216    for (uint32_t y = 0; y < fb->pipe_count.height; y++) {
 217       for (uint32_t x = 0; x < fb->pipe_count.width; x++) {
 218          const uint32_t pipe_x = fb->pipe0.width * x;
 219          const uint32_t pipe_y = fb->pipe0.height * y;
 220          const uint32_t pipe_w = (x == fb->pipe_count.width - 1)
 221                                     ? last_pipe.width
 222                                     : fb->pipe0.width;
 223          const uint32_t pipe_h = (y == fb->pipe_count.height - 1)
 224                                     ? last_pipe.height
 225                                     : fb->pipe0.height;
 226          const uint32_t n = fb->pipe_count.width * y + x;
 227
 228          fb->pipe_config[n] = A6XX_VSC_PIPE_CONFIG_REG_X(pipe_x) |
 229                                   A6XX_VSC_PIPE_CONFIG_REG_Y(pipe_y) |
 230                                   A6XX_VSC_PIPE_CONFIG_REG_W(pipe_w) |
 231                                   A6XX_VSC_PIPE_CONFIG_REG_H(pipe_h);
 232          fb->pipe_sizes[n] = CP_SET_BIN_DATA5_0_VSC_SIZE(pipe_w * pipe_h);
 233       }
 234    }
 235
 236    memset(fb->pipe_config + used_pipe_count, 0,
 237           sizeof(uint32_t) * (max_pipe_count - used_pipe_count));
 238 }
 239
 240 void
 241 tu_framebuffer_tiling_config(struct tu_framebuffer *fb,
 242                              const struct tu_device *device,
 243                              const struct tu_render_pass *pass)
 244 {
 245    tu_tiling_config_update_tile_layout(fb, device, pass);
 246    tu_tiling_config_update_pipe_layout(fb, device);
 247    tu_tiling_config_update_pipes(fb, device);
 248 }