| /* |
| * Copyright 2010 Christoph Bumiller |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "pipe/p_defines.h" |
| #include "util/u_framebuffer.h" |
| |
| #include "nvc0/nvc0_context.h" |
| #include "nvc0/nvc0_screen.h" |
| #include "nvc0/nvc0_resource.h" |
| |
| static void |
| nvc0_flush(struct pipe_context *pipe, |
| struct pipe_fence_handle **fence, |
| unsigned flags) |
| { |
| struct nvc0_context *nvc0 = nvc0_context(pipe); |
| struct nouveau_screen *screen = &nvc0->screen->base; |
| |
| if (fence) |
| nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence); |
| |
| PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */ |
| |
| nouveau_context_update_frame_stats(&nvc0->base); |
| } |
| |
| static void |
| nvc0_texture_barrier(struct pipe_context *pipe, unsigned flags) |
| { |
| struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf; |
| |
| IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0); |
| IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0); |
| } |
| |
| static void |
| nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags) |
| { |
| struct nvc0_context *nvc0 = nvc0_context(pipe); |
| struct nouveau_pushbuf *push = nvc0->base.pushbuf; |
| int i, s; |
| |
| if (flags & PIPE_BARRIER_MAPPED_BUFFER) { |
| for (i = 0; i < nvc0->num_vtxbufs; ++i) { |
| if (!nvc0->vtxbuf[i].buffer) |
| continue; |
| if (nvc0->vtxbuf[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) |
| nvc0->base.vbo_dirty = true; |
| } |
| |
| if (nvc0->idxbuf.buffer && |
| nvc0->idxbuf.buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) |
| nvc0->base.vbo_dirty = true; |
| |
| for (s = 0; s < 5 && !nvc0->cb_dirty; ++s) { |
| uint32_t valid = nvc0->constbuf_valid[s]; |
| |
| while (valid && !nvc0->cb_dirty) { |
| const unsigned i = ffs(valid) - 1; |
| struct pipe_resource *res; |
| |
| valid &= ~(1 << i); |
| if (nvc0->constbuf[s][i].user) |
| continue; |
| |
| res = nvc0->constbuf[s][i].u.buf; |
| if (!res) |
| continue; |
| |
| if (res->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) |
| nvc0->cb_dirty = true; |
| } |
| } |
| } else { |
| /* Pretty much any writing by shaders needs a serialize after |
| * it. Especially when moving between 3d and compute pipelines, but even |
| * without that. |
| */ |
| IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0); |
| } |
| |
| /* If we're going to texture from a buffer/image written by a shader, we |
| * must flush the texture cache. |
| */ |
| if (flags & PIPE_BARRIER_TEXTURE) |
| IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0); |
| |
| if (flags & PIPE_BARRIER_CONSTANT_BUFFER) |
| nvc0->cb_dirty = true; |
| if (flags & (PIPE_BARRIER_VERTEX_BUFFER | PIPE_BARRIER_INDEX_BUFFER)) |
| nvc0->base.vbo_dirty = true; |
| } |
| |
| static void |
| nvc0_emit_string_marker(struct pipe_context *pipe, const char *str, int len) |
| { |
| struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf; |
| int string_words = len / 4; |
| int data_words; |
| |
| if (len <= 0) |
| return; |
| string_words = MIN2(string_words, NV04_PFIFO_MAX_PACKET_LEN); |
| if (string_words == NV04_PFIFO_MAX_PACKET_LEN) |
| data_words = string_words; |
| else |
| data_words = string_words + !!(len & 3); |
| BEGIN_NIC0(push, SUBC_3D(NV04_GRAPH_NOP), data_words); |
| if (string_words) |
| PUSH_DATAp(push, str, string_words); |
| if (string_words != data_words) { |
| int data = 0; |
| memcpy(&data, &str[string_words * 4], len & 3); |
| PUSH_DATA (push, data); |
| } |
| } |
| |
| static void |
| nvc0_context_unreference_resources(struct nvc0_context *nvc0) |
| { |
| unsigned s, i; |
| |
| nouveau_bufctx_del(&nvc0->bufctx_3d); |
| nouveau_bufctx_del(&nvc0->bufctx); |
| nouveau_bufctx_del(&nvc0->bufctx_cp); |
| |
| util_unreference_framebuffer_state(&nvc0->framebuffer); |
| |
| for (i = 0; i < nvc0->num_vtxbufs; ++i) |
| pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL); |
| |
| pipe_resource_reference(&nvc0->idxbuf.buffer, NULL); |
| |
| for (s = 0; s < 6; ++s) { |
| for (i = 0; i < nvc0->num_textures[s]; ++i) |
| pipe_sampler_view_reference(&nvc0->textures[s][i], NULL); |
| |
| for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i) |
| if (!nvc0->constbuf[s][i].user) |
| pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, NULL); |
| |
| for (i = 0; i < NVC0_MAX_BUFFERS; ++i) |
| pipe_resource_reference(&nvc0->buffers[s][i].buffer, NULL); |
| |
| for (i = 0; i < NVC0_MAX_IMAGES; ++i) { |
| pipe_resource_reference(&nvc0->images[s][i].resource, NULL); |
| if (nvc0->screen->base.class_3d >= GM107_3D_CLASS) |
| pipe_sampler_view_reference(&nvc0->images_tic[s][i], NULL); |
| } |
| } |
| |
| for (s = 0; s < 2; ++s) { |
| for (i = 0; i < NVC0_MAX_SURFACE_SLOTS; ++i) |
| pipe_surface_reference(&nvc0->surfaces[s][i], NULL); |
| } |
| |
| for (i = 0; i < nvc0->num_tfbbufs; ++i) |
| pipe_so_target_reference(&nvc0->tfbbuf[i], NULL); |
| |
| for (i = 0; i < nvc0->global_residents.size / sizeof(struct pipe_resource *); |
| ++i) { |
| struct pipe_resource **res = util_dynarray_element( |
| &nvc0->global_residents, struct pipe_resource *, i); |
| pipe_resource_reference(res, NULL); |
| } |
| util_dynarray_fini(&nvc0->global_residents); |
| |
| if (nvc0->tcp_empty) |
| nvc0->base.pipe.delete_tcs_state(&nvc0->base.pipe, nvc0->tcp_empty); |
| } |
| |
| static void |
| nvc0_destroy(struct pipe_context *pipe) |
| { |
| struct nvc0_context *nvc0 = nvc0_context(pipe); |
| |
| if (nvc0->screen->cur_ctx == nvc0) { |
| nvc0->screen->cur_ctx = NULL; |
| nvc0->screen->save_state = nvc0->state; |
| nvc0->screen->save_state.tfb = NULL; |
| } |
| |
| /* Unset bufctx, we don't want to revalidate any resources after the flush. |
| * Other contexts will always set their bufctx again on action calls. |
| */ |
| nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL); |
| nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel); |
| |
| nvc0_context_unreference_resources(nvc0); |
| nvc0_blitctx_destroy(nvc0); |
| |
| nouveau_context_destroy(&nvc0->base); |
| } |
| |
| void |
| nvc0_default_kick_notify(struct nouveau_pushbuf *push) |
| { |
| struct nvc0_screen *screen = push->user_priv; |
| |
| if (screen) { |
| nouveau_fence_next(&screen->base); |
| nouveau_fence_update(&screen->base, true); |
| if (screen->cur_ctx) |
| screen->cur_ctx->state.flushed = true; |
| NOUVEAU_DRV_STAT(&screen->base, pushbuf_count, 1); |
| } |
| } |
| |
| static int |
| nvc0_invalidate_resource_storage(struct nouveau_context *ctx, |
| struct pipe_resource *res, |
| int ref) |
| { |
| struct nvc0_context *nvc0 = nvc0_context(&ctx->pipe); |
| unsigned s, i; |
| |
| if (res->bind & PIPE_BIND_RENDER_TARGET) { |
| for (i = 0; i < nvc0->framebuffer.nr_cbufs; ++i) { |
| if (nvc0->framebuffer.cbufs[i] && |
| nvc0->framebuffer.cbufs[i]->texture == res) { |
| nvc0->dirty_3d |= NVC0_NEW_3D_FRAMEBUFFER; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_FB); |
| if (!--ref) |
| return ref; |
| } |
| } |
| } |
| if (res->bind & PIPE_BIND_DEPTH_STENCIL) { |
| if (nvc0->framebuffer.zsbuf && |
| nvc0->framebuffer.zsbuf->texture == res) { |
| nvc0->dirty_3d |= NVC0_NEW_3D_FRAMEBUFFER; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_FB); |
| if (!--ref) |
| return ref; |
| } |
| } |
| |
| if (res->target == PIPE_BUFFER) { |
| for (i = 0; i < nvc0->num_vtxbufs; ++i) { |
| if (nvc0->vtxbuf[i].buffer == res) { |
| nvc0->dirty_3d |= NVC0_NEW_3D_ARRAYS; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_VTX); |
| if (!--ref) |
| return ref; |
| } |
| } |
| |
| if (nvc0->idxbuf.buffer == res) { |
| nvc0->dirty_3d |= NVC0_NEW_3D_IDXBUF; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_IDX); |
| if (!--ref) |
| return ref; |
| } |
| |
| for (s = 0; s < 6; ++s) { |
| for (i = 0; i < nvc0->num_textures[s]; ++i) { |
| if (nvc0->textures[s][i] && |
| nvc0->textures[s][i]->texture == res) { |
| nvc0->textures_dirty[s] |= 1 << i; |
| if (unlikely(s == 5)) { |
| nvc0->dirty_cp |= NVC0_NEW_CP_TEXTURES; |
| nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_TEX(i)); |
| } else { |
| nvc0->dirty_3d |= NVC0_NEW_3D_TEXTURES; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(s, i)); |
| } |
| if (!--ref) |
| return ref; |
| } |
| } |
| } |
| |
| for (s = 0; s < 6; ++s) { |
| for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i) { |
| if (!(nvc0->constbuf_valid[s] & (1 << i))) |
| continue; |
| if (!nvc0->constbuf[s][i].user && |
| nvc0->constbuf[s][i].u.buf == res) { |
| nvc0->constbuf_dirty[s] |= 1 << i; |
| if (unlikely(s == 5)) { |
| nvc0->dirty_cp |= NVC0_NEW_CP_CONSTBUF; |
| nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_CB(i)); |
| } else { |
| nvc0->dirty_3d |= NVC0_NEW_3D_CONSTBUF; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_CB(s, i)); |
| } |
| if (!--ref) |
| return ref; |
| } |
| } |
| } |
| |
| for (s = 0; s < 6; ++s) { |
| for (i = 0; i < NVC0_MAX_BUFFERS; ++i) { |
| if (nvc0->buffers[s][i].buffer == res) { |
| nvc0->buffers_dirty[s] |= 1 << i; |
| if (unlikely(s == 5)) { |
| nvc0->dirty_cp |= NVC0_NEW_CP_BUFFERS; |
| nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_BUF); |
| } else { |
| nvc0->dirty_3d |= NVC0_NEW_3D_BUFFERS; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_BUF); |
| } |
| if (!--ref) |
| return ref; |
| } |
| } |
| } |
| |
| for (s = 0; s < 6; ++s) { |
| for (i = 0; i < NVC0_MAX_IMAGES; ++i) { |
| if (nvc0->images[s][i].resource == res) { |
| nvc0->images_dirty[s] |= 1 << i; |
| if (unlikely(s == 5)) { |
| nvc0->dirty_cp |= NVC0_NEW_CP_SURFACES; |
| nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_SUF); |
| } else { |
| nvc0->dirty_3d |= NVC0_NEW_3D_SURFACES; |
| nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_SUF); |
| } |
| } |
| if (!--ref) |
| return ref; |
| } |
| } |
| } |
| |
| return ref; |
| } |
| |
| static void |
| nvc0_context_get_sample_position(struct pipe_context *, unsigned, unsigned, |
| float *); |
| |
| struct pipe_context * |
| nvc0_create(struct pipe_screen *pscreen, void *priv, unsigned ctxflags) |
| { |
| struct nvc0_screen *screen = nvc0_screen(pscreen); |
| struct nvc0_context *nvc0; |
| struct pipe_context *pipe; |
| int ret; |
| uint32_t flags; |
| |
| nvc0 = CALLOC_STRUCT(nvc0_context); |
| if (!nvc0) |
| return NULL; |
| pipe = &nvc0->base.pipe; |
| |
| if (!nvc0_blitctx_create(nvc0)) |
| goto out_err; |
| |
| nvc0->base.pushbuf = screen->base.pushbuf; |
| nvc0->base.client = screen->base.client; |
| |
| ret = nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx); |
| if (!ret) |
| ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_3D_COUNT, |
| &nvc0->bufctx_3d); |
| if (!ret) |
| ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_CP_COUNT, |
| &nvc0->bufctx_cp); |
| if (ret) |
| goto out_err; |
| |
| nvc0->screen = screen; |
| nvc0->base.screen = &screen->base; |
| |
| pipe->screen = pscreen; |
| pipe->priv = priv; |
| |
| pipe->destroy = nvc0_destroy; |
| |
| pipe->draw_vbo = nvc0_draw_vbo; |
| pipe->clear = nvc0_clear; |
| pipe->launch_grid = (nvc0->screen->base.class_3d >= NVE4_3D_CLASS) ? |
| nve4_launch_grid : nvc0_launch_grid; |
| |
| pipe->flush = nvc0_flush; |
| pipe->texture_barrier = nvc0_texture_barrier; |
| pipe->memory_barrier = nvc0_memory_barrier; |
| pipe->get_sample_position = nvc0_context_get_sample_position; |
| pipe->emit_string_marker = nvc0_emit_string_marker; |
| |
| nouveau_context_init(&nvc0->base); |
| nvc0_init_query_functions(nvc0); |
| nvc0_init_surface_functions(nvc0); |
| nvc0_init_state_functions(nvc0); |
| nvc0_init_transfer_functions(nvc0); |
| nvc0_init_resource_functions(pipe); |
| |
| nvc0->base.invalidate_resource_storage = nvc0_invalidate_resource_storage; |
| |
| pipe->create_video_codec = nvc0_create_decoder; |
| pipe->create_video_buffer = nvc0_video_buffer_create; |
| |
| /* shader builtin library is per-screen, but we need a context for m2mf */ |
| nvc0_program_library_upload(nvc0); |
| nvc0_program_init_tcp_empty(nvc0); |
| if (!nvc0->tcp_empty) |
| goto out_err; |
| /* set the empty tctl prog on next draw in case one is never set */ |
| nvc0->dirty_3d |= NVC0_NEW_3D_TCTLPROG; |
| |
| /* Do not bind the COMPUTE driver constbuf at screen initialization because |
| * CBs are aliased between 3D and COMPUTE, but make sure it will be bound if |
| * a grid is launched later. */ |
| nvc0->dirty_cp |= NVC0_NEW_CP_DRIVERCONST; |
| |
| /* now that there are no more opportunities for errors, set the current |
| * context if there isn't already one. |
| */ |
| if (!screen->cur_ctx) { |
| nvc0->state = screen->save_state; |
| screen->cur_ctx = nvc0; |
| nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx); |
| } |
| screen->base.pushbuf->kick_notify = nvc0_default_kick_notify; |
| |
| /* add permanently resident buffers to bufctxts */ |
| |
| flags = NV_VRAM_DOMAIN(&screen->base) | NOUVEAU_BO_RD; |
| |
| BCTX_REFN_bo(nvc0->bufctx_3d, 3D_TEXT, flags, screen->text); |
| BCTX_REFN_bo(nvc0->bufctx_3d, 3D_SCREEN, flags, screen->uniform_bo); |
| BCTX_REFN_bo(nvc0->bufctx_3d, 3D_SCREEN, flags, screen->txc); |
| if (screen->compute) { |
| BCTX_REFN_bo(nvc0->bufctx_cp, CP_TEXT, flags, screen->text); |
| BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->uniform_bo); |
| BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->txc); |
| } |
| |
| flags = NV_VRAM_DOMAIN(&screen->base) | NOUVEAU_BO_RDWR; |
| |
| if (screen->poly_cache) |
| BCTX_REFN_bo(nvc0->bufctx_3d, 3D_SCREEN, flags, screen->poly_cache); |
| if (screen->compute) |
| BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->tls); |
| |
| flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR; |
| |
| BCTX_REFN_bo(nvc0->bufctx_3d, 3D_SCREEN, flags, screen->fence.bo); |
| BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo); |
| if (screen->compute) |
| BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->fence.bo); |
| |
| nvc0->base.scratch.bo_size = 2 << 20; |
| |
| memset(nvc0->tex_handles, ~0, sizeof(nvc0->tex_handles)); |
| |
| util_dynarray_init(&nvc0->global_residents); |
| |
| return pipe; |
| |
| out_err: |
| if (nvc0) { |
| if (nvc0->bufctx_3d) |
| nouveau_bufctx_del(&nvc0->bufctx_3d); |
| if (nvc0->bufctx_cp) |
| nouveau_bufctx_del(&nvc0->bufctx_cp); |
| if (nvc0->bufctx) |
| nouveau_bufctx_del(&nvc0->bufctx); |
| FREE(nvc0->blit); |
| FREE(nvc0); |
| } |
| return NULL; |
| } |
| |
| void |
| nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx, |
| bool on_flush) |
| { |
| struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending; |
| struct nouveau_list *it; |
| NOUVEAU_DRV_STAT_IFD(unsigned count = 0); |
| |
| for (it = list->next; it != list; it = it->next) { |
| struct nouveau_bufref *ref = (struct nouveau_bufref *)it; |
| struct nv04_resource *res = ref->priv; |
| if (res) |
| nvc0_resource_validate(res, (unsigned)ref->priv_data); |
| NOUVEAU_DRV_STAT_IFD(count++); |
| } |
| NOUVEAU_DRV_STAT(&nvc0->screen->base, resource_validate_count, count); |
| } |
| |
| const void * |
| nvc0_get_sample_locations(unsigned sample_count) |
| { |
| static const uint8_t ms1[1][2] = { { 0x8, 0x8 } }; |
| static const uint8_t ms2[2][2] = { |
| { 0x4, 0x4 }, { 0xc, 0xc } }; /* surface coords (0,0), (1,0) */ |
| static const uint8_t ms4[4][2] = { |
| { 0x6, 0x2 }, { 0xe, 0x6 }, /* (0,0), (1,0) */ |
| { 0x2, 0xa }, { 0xa, 0xe } }; /* (0,1), (1,1) */ |
| static const uint8_t ms8[8][2] = { |
| { 0x1, 0x7 }, { 0x5, 0x3 }, /* (0,0), (1,0) */ |
| { 0x3, 0xd }, { 0x7, 0xb }, /* (0,1), (1,1) */ |
| { 0x9, 0x5 }, { 0xf, 0x1 }, /* (2,0), (3,0) */ |
| { 0xb, 0xf }, { 0xd, 0x9 } }; /* (2,1), (3,1) */ |
| #if 0 |
| /* NOTE: there are alternative modes for MS2 and MS8, currently not used */ |
| static const uint8_t ms8_alt[8][2] = { |
| { 0x9, 0x5 }, { 0x7, 0xb }, /* (2,0), (1,1) */ |
| { 0xd, 0x9 }, { 0x5, 0x3 }, /* (3,1), (1,0) */ |
| { 0x3, 0xd }, { 0x1, 0x7 }, /* (0,1), (0,0) */ |
| { 0xb, 0xf }, { 0xf, 0x1 } }; /* (2,1), (3,0) */ |
| #endif |
| |
| const uint8_t (*ptr)[2]; |
| |
| switch (sample_count) { |
| case 0: |
| case 1: ptr = ms1; break; |
| case 2: ptr = ms2; break; |
| case 4: ptr = ms4; break; |
| case 8: ptr = ms8; break; |
| default: |
| assert(0); |
| return NULL; /* bad sample count -> undefined locations */ |
| } |
| return ptr; |
| } |
| |
| static void |
| nvc0_context_get_sample_position(struct pipe_context *pipe, |
| unsigned sample_count, unsigned sample_index, |
| float *xy) |
| { |
| const uint8_t (*ptr)[2]; |
| |
| ptr = nvc0_get_sample_locations(sample_count); |
| if (!ptr) |
| return; |
| |
| xy[0] = ptr[sample_index][0] * 0.0625f; |
| xy[1] = ptr[sample_index][1] * 0.0625f; |
| } |