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 #include "vc4_screen.h"
  36 #include "vc4_context.h"
  37 #include "vc4_resource.h"
  38
  39 static void
  40 dump_fbo(struct vc4_context *vc4, struct vc4_bo *fbo)
  41 {
  42 #ifndef USE_VC4_SIMULATOR
  43         uint32_t *map = vc4_bo_map(fbo);
  44         uint32_t width = vc4->framebuffer.width;
  45         uint32_t height = vc4->framebuffer.height;
  46         uint32_t chunk_w = width / 79;
  47         uint32_t chunk_h = height / 40;
  48         uint32_t found_colors[10];
  49         uint32_t num_found_colors = 0;
  50
  51         for (int by = 0; by < height; by += chunk_h) {
  52                 for (int bx = 0; bx < width; bx += chunk_w) {
  53                         bool on = false, black = false;
  54
  55                         for (int y = by; y < MIN2(height, by + chunk_h); y++) {
  56                                 for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
  57                                         uint32_t pix = map[y * width + x];
  58                                         on |= pix != 0;
  59                                         black |= pix == 0xff000000;
  60
  61                                         int i;
  62                                         for (i = 0; i < num_found_colors; i++) {
  63                                                 if (pix == found_colors[i])
  64                                                         break;
  65                                         }
  66                                         if (i == num_found_colors &&
  67                                             num_found_colors < Elements(found_colors))
  68                                                 found_colors[num_found_colors++] = pix;
  69                                 }
  70                         }
  71                         if (black)
  72                                 fprintf(stderr, "O");
  73                         else if (on)
  74                                 fprintf(stderr, "X");
  75                         else
  76                                 fprintf(stderr, ".");
  77                 }
  78                 fprintf(stderr, "\n");
  79         }
  80
  81         for (int i = 0; i < num_found_colors; i++) {
  82                 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
  83         }
  84 #endif
  85 }
  86
  87 void
  88 vc4_flush(struct pipe_context *pctx)
  89 {
  90         struct vc4_context *vc4 = vc4_context(pctx);
  91
  92         if (!vc4->needs_flush)
  93                 return;
  94
  95         struct vc4_surface *csurf = vc4_surface(vc4->framebuffer.cbufs[0]);
  96         struct vc4_resource *ctex = vc4_resource(csurf->base.texture);
  97         struct drm_vc4_submit_cl submit;
  98         memset(&submit, 0, sizeof(submit));
  99
 100         submit.bo_handles = vc4->bo_handles.base;
 101         submit.bo_handle_count = (vc4->bo_handles.next -
 102                                   vc4->bo_handles.base) / 4;
 103         submit.bin_cl = vc4->bcl.base;
 104         submit.bin_cl_len = vc4->bcl.next - vc4->bcl.base;
 105         submit.render_cl = vc4->rcl.base;
 106         submit.render_cl_len = vc4->rcl.next - vc4->rcl.base;
 107         submit.shader_records = vc4->shader_rec.base;
 108         submit.shader_record_len = vc4->shader_rec.next - vc4->shader_rec.base;
 109         submit.shader_record_count = vc4->shader_rec_count;
 110         submit.uniforms = vc4->uniforms.base;
 111         submit.uniforms_len = vc4->uniforms.next - vc4->uniforms.base;
 112
 113         if (!(vc4_debug & VC4_DEBUG_NORAST)) {
 114                 int ret;
 115
 116 #ifndef USE_VC4_SIMULATOR
 117                 ret = drmIoctl(vc4->fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit);
 118 #else
 119                 ret = vc4_simulator_flush(vc4, &submit, csurf);
 120 #endif
 121                 if (ret)
 122                         errx(1, "VC4 submit failed\n");
 123         }
 124
 125         vc4_reset_cl(&vc4->bcl);
 126         vc4_reset_cl(&vc4->rcl);
 127         vc4_reset_cl(&vc4->shader_rec);
 128         vc4_reset_cl(&vc4->uniforms);
 129         vc4_reset_cl(&vc4->bo_handles);
 130 #ifdef USE_VC4_SIMULATOR
 131         vc4_reset_cl(&vc4->bo_pointers);
 132 #endif
 133         vc4->shader_rec_count = 0;
 134
 135         vc4->needs_flush = false;
 136         vc4->dirty = ~0;
 137
 138         dump_fbo(vc4, ctex->bo);
 139 }
 140
 141 static void
 142 vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
 143                unsigned flags)
 144 {
 145         vc4_flush(pctx);
 146 }
 147
 148 static void
 149 vc4_context_destroy(struct pipe_context *pctx)
 150 {
 151         struct vc4_context *vc4 = vc4_context(pctx);
 152
 153         if (vc4->blitter)
 154                 util_blitter_destroy(vc4->blitter);
 155
 156         if (vc4->primconvert)
 157                 util_primconvert_destroy(vc4->primconvert);
 158
 159         util_slab_destroy(&vc4->transfer_pool);
 160
 161         free(vc4);
 162 }
 163
 164 struct pipe_context *
 165 vc4_context_create(struct pipe_screen *pscreen, void *priv)
 166 {
 167         struct vc4_screen *screen = vc4_screen(pscreen);
 168         struct vc4_context *vc4;
 169
 170         /* Prevent dumping of the shaders built during context setup. */
 171         uint32_t saved_shaderdb_flag = vc4_debug & VC4_DEBUG_SHADERDB;
 172         vc4_debug &= ~VC4_DEBUG_SHADERDB;
 173
 174         vc4 = CALLOC_STRUCT(vc4_context);
 175         if (vc4 == NULL)
 176                 return NULL;
 177         struct pipe_context *pctx = &vc4->base;
 178
 179         vc4->screen = screen;
 180
 181         pctx->screen = pscreen;
 182         pctx->priv = priv;
 183         pctx->destroy = vc4_context_destroy;
 184         pctx->flush = vc4_pipe_flush;
 185
 186         vc4_draw_init(pctx);
 187         vc4_state_init(pctx);
 188         vc4_program_init(pctx);
 189         vc4_resource_context_init(pctx);
 190
 191         vc4_init_cl(vc4, &vc4->bcl);
 192         vc4_init_cl(vc4, &vc4->rcl);
 193         vc4_init_cl(vc4, &vc4->shader_rec);
 194         vc4_init_cl(vc4, &vc4->bo_handles);
 195
 196         vc4->dirty = ~0;
 197         vc4->fd = screen->fd;
 198
 199         util_slab_create(&vc4->transfer_pool, sizeof(struct pipe_transfer),
 200                          16, UTIL_SLAB_SINGLETHREADED);
 201         vc4->blitter = util_blitter_create(pctx);
 202         if (!vc4->blitter)
 203                 goto fail;
 204
 205         vc4->primconvert = util_primconvert_create(pctx,
 206                                                    !((1 << PIPE_PRIM_QUADS) - 1));
 207         if (!vc4->primconvert)
 208                 goto fail;
 209
 210         vc4_debug |= saved_shaderdb_flag;
 211
 212         return &vc4->base;
 213
 214 fail:
 215         pctx->destroy(pctx);
 216         return NULL;
 217 }