/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
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/*
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* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Rob Clark <robclark@freedesktop.org>
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*/
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#include "freedreno_context.h"
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#include "freedreno_blitter.h"
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#include "freedreno_draw.h"
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#include "freedreno_fence.h"
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#include "freedreno_program.h"
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#include "freedreno_resource.h"
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#include "freedreno_texture.h"
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#include "freedreno_state.h"
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#include "freedreno_gmem.h"
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#include "freedreno_query.h"
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#include "freedreno_query_hw.h"
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#include "freedreno_util.h"
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#include "util/u_upload_mgr.h"
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static void
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fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fencep,
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unsigned flags)
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{
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struct fd_context *ctx = fd_context(pctx);
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struct pipe_fence_handle *fence = NULL;
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/* Take a ref to the batch's fence (batch can be unref'd when flushed: */
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fd_fence_ref(pctx->screen, &fence, ctx->batch->fence);
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if (flags & PIPE_FLUSH_FENCE_FD)
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ctx->batch->needs_out_fence_fd = true;
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if (!ctx->screen->reorder) {
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fd_batch_flush(ctx->batch, true, false);
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} else if (flags & PIPE_FLUSH_DEFERRED) {
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fd_bc_flush_deferred(&ctx->screen->batch_cache, ctx);
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} else {
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fd_bc_flush(&ctx->screen->batch_cache, ctx);
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}
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if (fencep)
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fd_fence_ref(pctx->screen, fencep, fence);
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fd_fence_ref(pctx->screen, &fence, NULL);
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}
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static void
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fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
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{
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/* On devices that could sample from GMEM we could possibly do better.
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* Or if we knew that we were doing GMEM bypass we could just emit a
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* cache flush, perhaps? But we don't know if future draws would cause
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* us to use GMEM, and a flush in bypass isn't the end of the world.
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*/
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fd_context_flush(pctx, NULL, 0);
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}
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/**
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* emit marker string as payload of a no-op packet, which can be
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* decoded by cffdump.
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*/
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static void
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fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
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{
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struct fd_context *ctx = fd_context(pctx);
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struct fd_ringbuffer *ring;
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const uint32_t *buf = (const void *)string;
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if (!ctx->batch)
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return;
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ring = ctx->batch->draw;
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/* max packet size is 0x3fff dwords: */
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len = MIN2(len, 0x3fff * 4);
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if (ctx->screen->gpu_id >= 500)
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OUT_PKT7(ring, CP_NOP, align(len, 4) / 4);
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else
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OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
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while (len >= 4) {
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OUT_RING(ring, *buf);
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buf++;
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len -= 4;
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}
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/* copy remainder bytes without reading past end of input string: */
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if (len > 0) {
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uint32_t w = 0;
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memcpy(&w, buf, len);
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OUT_RING(ring, w);
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}
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}
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void
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fd_context_destroy(struct pipe_context *pctx)
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{
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struct fd_context *ctx = fd_context(pctx);
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unsigned i;
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DBG("");
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if (ctx->screen->reorder && util_queue_is_initialized(&ctx->flush_queue))
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util_queue_destroy(&ctx->flush_queue);
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fd_batch_reference(&ctx->batch, NULL); /* unref current batch */
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fd_bc_invalidate_context(ctx);
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fd_prog_fini(pctx);
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if (ctx->blitter)
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util_blitter_destroy(ctx->blitter);
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if (pctx->stream_uploader)
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u_upload_destroy(pctx->stream_uploader);
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if (ctx->clear_rs_state)
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pctx->delete_rasterizer_state(pctx, ctx->clear_rs_state);
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if (ctx->primconvert)
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util_primconvert_destroy(ctx->primconvert);
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slab_destroy_child(&ctx->transfer_pool);
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for (i = 0; i < ARRAY_SIZE(ctx->vsc_pipe); i++) {
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struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
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if (!pipe->bo)
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break;
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fd_bo_del(pipe->bo);
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}
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fd_device_del(ctx->dev);
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fd_pipe_del(ctx->pipe);
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if (fd_mesa_debug & (FD_DBG_BSTAT | FD_DBG_MSGS)) {
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printf("batch_total=%u, batch_sysmem=%u, batch_gmem=%u, batch_nondraw=%u, batch_restore=%u\n",
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(uint32_t)ctx->stats.batch_total, (uint32_t)ctx->stats.batch_sysmem,
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(uint32_t)ctx->stats.batch_gmem, (uint32_t)ctx->stats.batch_nondraw,
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(uint32_t)ctx->stats.batch_restore);
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}
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FREE(ctx);
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}
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static void
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fd_set_debug_callback(struct pipe_context *pctx,
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const struct pipe_debug_callback *cb)
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{
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struct fd_context *ctx = fd_context(pctx);
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if (cb)
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ctx->debug = *cb;
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else
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memset(&ctx->debug, 0, sizeof(ctx->debug));
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}
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/* TODO we could combine a few of these small buffers (solid_vbuf,
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* blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
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* save a tiny bit of memory
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*/
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static struct pipe_resource *
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create_solid_vertexbuf(struct pipe_context *pctx)
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{
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static const float init_shader_const[] = {
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-1.000000, +1.000000, +1.000000,
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+1.000000, -1.000000, +1.000000,
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};
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struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
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PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
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pipe_buffer_write(pctx, prsc, 0,
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sizeof(init_shader_const), init_shader_const);
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return prsc;
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}
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static struct pipe_resource *
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create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
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{
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struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
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PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
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return prsc;
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}
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void
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fd_context_setup_common_vbos(struct fd_context *ctx)
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{
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struct pipe_context *pctx = &ctx->base;
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ctx->solid_vbuf = create_solid_vertexbuf(pctx);
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ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
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/* setup solid_vbuf_state: */
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ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
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pctx, 1, (struct pipe_vertex_element[]){{
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.vertex_buffer_index = 0,
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.src_offset = 0,
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.src_format = PIPE_FORMAT_R32G32B32_FLOAT,
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}});
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ctx->solid_vbuf_state.vertexbuf.count = 1;
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ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
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ctx->solid_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->solid_vbuf;
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/* setup blit_vbuf_state: */
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ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
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pctx, 2, (struct pipe_vertex_element[]){{
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.vertex_buffer_index = 0,
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.src_offset = 0,
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.src_format = PIPE_FORMAT_R32G32_FLOAT,
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}, {
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.vertex_buffer_index = 1,
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.src_offset = 0,
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.src_format = PIPE_FORMAT_R32G32B32_FLOAT,
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}});
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ctx->blit_vbuf_state.vertexbuf.count = 2;
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ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
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ctx->blit_vbuf_state.vertexbuf.vb[0].buffer.resource = ctx->blit_texcoord_vbuf;
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ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
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ctx->blit_vbuf_state.vertexbuf.vb[1].buffer.resource = ctx->solid_vbuf;
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}
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void
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fd_context_cleanup_common_vbos(struct fd_context *ctx)
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{
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struct pipe_context *pctx = &ctx->base;
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pctx->delete_vertex_elements_state(pctx, ctx->solid_vbuf_state.vtx);
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pctx->delete_vertex_elements_state(pctx, ctx->blit_vbuf_state.vtx);
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pipe_resource_reference(&ctx->solid_vbuf, NULL);
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pipe_resource_reference(&ctx->blit_texcoord_vbuf, NULL);
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}
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struct pipe_context *
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fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
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const uint8_t *primtypes, void *priv, unsigned flags)
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{
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struct fd_screen *screen = fd_screen(pscreen);
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struct pipe_context *pctx;
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unsigned prio = 1;
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int i;
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/* lower numerical value == higher priority: */
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if (fd_mesa_debug & FD_DBG_HIPRIO)
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prio = 0;
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else if (flags & PIPE_CONTEXT_HIGH_PRIORITY)
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prio = 0;
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else if (flags & PIPE_CONTEXT_LOW_PRIORITY)
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prio = 2;
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ctx->screen = screen;
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ctx->pipe = fd_pipe_new2(screen->dev, FD_PIPE_3D, prio);
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ctx->primtypes = primtypes;
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ctx->primtype_mask = 0;
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for (i = 0; i < PIPE_PRIM_MAX; i++)
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if (primtypes[i])
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ctx->primtype_mask |= (1 << i);
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/* need some sane default in case state tracker doesn't
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* set some state:
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*/
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ctx->sample_mask = 0xffff;
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pctx = &ctx->base;
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pctx->screen = pscreen;
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pctx->priv = priv;
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pctx->flush = fd_context_flush;
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pctx->emit_string_marker = fd_emit_string_marker;
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pctx->set_debug_callback = fd_set_debug_callback;
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pctx->create_fence_fd = fd_create_fence_fd;
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pctx->fence_server_sync = fd_fence_server_sync;
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pctx->texture_barrier = fd_texture_barrier;
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pctx->stream_uploader = u_upload_create_default(pctx);
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if (!pctx->stream_uploader)
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goto fail;
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pctx->const_uploader = pctx->stream_uploader;
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ctx->batch = fd_bc_alloc_batch(&screen->batch_cache, ctx);
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slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
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if (!ctx->blit)
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ctx->blit = fd_blitter_blit;
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fd_draw_init(pctx);
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fd_resource_context_init(pctx);
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fd_query_context_init(pctx);
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fd_texture_init(pctx);
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fd_state_init(pctx);
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ctx->blitter = util_blitter_create(pctx);
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if (!ctx->blitter)
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goto fail;
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ctx->primconvert = util_primconvert_create(pctx, ctx->primtype_mask);
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if (!ctx->primconvert)
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goto fail;
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list_inithead(&ctx->hw_active_queries);
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list_inithead(&ctx->acc_active_queries);
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return pctx;
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fail:
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pctx->destroy(pctx);
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return NULL;
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}
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