src/gallium/drivers/vc4/vc4_context.c

   1 /*
   2  * Copyright © 2014 Broadcom
   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 <xf86drm.h>
  25 #include <err.h>
  26 #include <stdio.h>
  27
  28 #include "pipe/p_defines.h"
  29 #include "util/u_inlines.h"
  30 #include "util/u_memory.h"
  31 #include "util/u_blitter.h"
  32 #include "indices/u_primconvert.h"
  33 #include "pipe/p_screen.h"
  34
  35 #define __user
  36 #include "vc4_drm.h"
  37 #include "vc4_screen.h"
  38 #include "vc4_context.h"
  39 #include "vc4_resource.h"
  40
  41 static void
  42 dump_fbo(struct vc4_context *vc4, struct vc4_bo *fbo)
  43 {
  44 #ifndef USE_VC4_SIMULATOR
  45         uint32_t *map = vc4_bo_map(fbo);
  46         uint32_t width = vc4->framebuffer.width;
  47         uint32_t height = vc4->framebuffer.height;
  48         uint32_t chunk_w = width / 79;
  49         uint32_t chunk_h = height / 40;
  50         uint32_t found_colors[10];
  51         uint32_t num_found_colors = 0;
  52
  53         for (int by = 0; by < height; by += chunk_h) {
  54                 for (int bx = 0; bx < width; bx += chunk_w) {
  55                         bool on = false, black = false;
  56
  57                         for (int y = by; y < MIN2(height, by + chunk_h); y++) {
  58                                 for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
  59                                         uint32_t pix = map[y * width + x];
  60                                         on |= pix != 0;
  61                                         black |= pix == 0xff000000;
  62
  63                                         int i;
  64                                         for (i = 0; i < num_found_colors; i++) {
  65                                                 if (pix == found_colors[i])
  66                                                         break;
  67                                         }
  68                                         if (i == num_found_colors &&
  69                                             num_found_colors < Elements(found_colors))
  70                                                 found_colors[num_found_colors++] = pix;
  71                                 }
  72                         }
  73                         if (black)
  74                                 fprintf(stderr, "O");
  75                         else if (on)
  76                                 fprintf(stderr, "X");
  77                         else
  78                                 fprintf(stderr, ".");
  79                 }
  80                 fprintf(stderr, "\n");
  81         }
  82
  83         for (int i = 0; i < num_found_colors; i++) {
  84                 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
  85         }
  86 #endif
  87 }
  88
  89 void
  90 vc4_flush(struct pipe_context *pctx)
  91 {
  92         struct vc4_context *vc4 = vc4_context(pctx);
  93
  94         if (!vc4->needs_flush)
  95                 return;
  96
  97         struct vc4_surface *csurf = vc4_surface(vc4->framebuffer.cbufs[0]);
  98         struct vc4_resource *ctex = vc4_resource(csurf->base.texture);
  99         struct drm_vc4_submit_cl submit;
 100         memset(&submit, 0, sizeof(submit));
 101
 102         submit.bo_handles = vc4->bo_handles.base;
 103         submit.bo_handle_count = (vc4->bo_handles.next -
 104                                   vc4->bo_handles.base) / 4;
 105         submit.bin_cl = vc4->bcl.base;
 106         submit.bin_cl_len = vc4->bcl.next - vc4->bcl.base;
 107         submit.render_cl = vc4->rcl.base;
 108         submit.render_cl_len = vc4->rcl.next - vc4->rcl.base;
 109         submit.shader_records = vc4->shader_rec.base;
 110         submit.shader_record_len = vc4->shader_rec.next - vc4->shader_rec.base;
 111         submit.shader_record_count = vc4->shader_rec_count;
 112
 113 #ifndef USE_VC4_SIMULATOR
 114         int ret = drmIoctl(vc4->fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit);
 115         if (ret)
 116                 errx(1, "VC4 submit failed\n");
 117 #else
 118         vc4_simulator_flush(vc4, csurf);
 119 #endif
 120         vc4_reset_cl(&vc4->bcl);
 121         vc4_reset_cl(&vc4->rcl);
 122         vc4_reset_cl(&vc4->shader_rec);
 123         vc4_reset_cl(&vc4->bo_handles);
 124         vc4->shader_rec_count = 0;
 125
 126         vc4->needs_flush = false;
 127         vc4->dirty = ~0;
 128
 129         dump_fbo(vc4, ctex->bo);
 130 }
 131
 132 static void
 133 vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
 134                unsigned flags)
 135 {
 136         vc4_flush(pctx);
 137 }
 138
 139 static void
 140 vc4_context_destroy(struct pipe_context *pctx)
 141 {
 142         struct vc4_context *vc4 = vc4_context(pctx);
 143
 144         if (vc4->blitter)
 145                 util_blitter_destroy(vc4->blitter);
 146
 147         if (vc4->primconvert)
 148                 util_primconvert_destroy(vc4->primconvert);
 149
 150         util_slab_destroy(&vc4->transfer_pool);
 151
 152         free(vc4);
 153 }
 154
 155 struct pipe_context *
 156 vc4_context_create(struct pipe_screen *pscreen, void *priv)
 157 {
 158         struct vc4_screen *screen = vc4_screen(pscreen);
 159         struct vc4_context *vc4;
 160
 161         vc4 = CALLOC_STRUCT(vc4_context);
 162         if (vc4 == NULL)
 163                 return NULL;
 164         struct pipe_context *pctx = &vc4->base;
 165
 166         vc4->screen = screen;
 167
 168         pctx->screen = pscreen;
 169         pctx->priv = priv;
 170         pctx->destroy = vc4_context_destroy;
 171         pctx->flush = vc4_pipe_flush;
 172
 173         vc4_draw_init(pctx);
 174         vc4_state_init(pctx);
 175         vc4_program_init(pctx);
 176         vc4_resource_context_init(pctx);
 177
 178         vc4_init_cl(vc4, &vc4->bcl);
 179         vc4_init_cl(vc4, &vc4->rcl);
 180         vc4_init_cl(vc4, &vc4->shader_rec);
 181         vc4_init_cl(vc4, &vc4->bo_handles);
 182
 183         vc4->dirty = ~0;
 184         vc4->fd = screen->fd;
 185
 186         util_slab_create(&vc4->transfer_pool, sizeof(struct pipe_transfer),
 187                          16, UTIL_SLAB_SINGLETHREADED);
 188         vc4->blitter = util_blitter_create(pctx);
 189         if (!vc4->blitter)
 190                 goto fail;
 191
 192         vc4->primconvert = util_primconvert_create(pctx,
 193                                                    !((1 << PIPE_PRIM_QUADS) - 1));
 194         if (!vc4->primconvert)
 195                 goto fail;
 196
 197         return &vc4->base;
 198
 199 fail:
 200         pctx->destroy(pctx);
 201         return NULL;
 202 }