bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 8 | #include "GrMeshDrawOp.h" |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 9 | #include "GrOpFlushState.h" |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 10 | #include "GrResourceProvider.h" |
| 11 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 12 | GrMeshDrawOp::GrMeshDrawOp(uint32_t classID) |
| 13 | : INHERITED(classID), fBaseDrawToken(GrDrawOpUploadToken::AlreadyFlushedToken()) {} |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 14 | |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 15 | void GrMeshDrawOp::onPrepare(GrOpFlushState* state) { |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 16 | Target target(state, this); |
| 17 | this->onPrepareDraws(&target); |
| 18 | } |
| 19 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 20 | void* GrMeshDrawOp::InstancedHelper::init(Target* target, GrPrimitiveType primType, |
| 21 | size_t vertexStride, const GrBuffer* indexBuffer, |
| 22 | int verticesPerInstance, int indicesPerInstance, |
| 23 | int instancesToDraw) { |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 24 | SkASSERT(target); |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 25 | if (!indexBuffer) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 26 | return nullptr; |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 27 | } |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 28 | const GrBuffer* vertexBuffer; |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 29 | int firstVertex; |
| 30 | int vertexCount = verticesPerInstance * instancesToDraw; |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 31 | void* vertices = |
| 32 | target->makeVertexSpace(vertexStride, vertexCount, &vertexBuffer, &firstVertex); |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 33 | if (!vertices) { |
| 34 | SkDebugf("Vertices could not be allocated for instanced rendering."); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 35 | return nullptr; |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 36 | } |
| 37 | SkASSERT(vertexBuffer); |
| 38 | size_t ibSize = indexBuffer->gpuMemorySize(); |
| 39 | int maxInstancesPerDraw = static_cast<int>(ibSize / (sizeof(uint16_t) * indicesPerInstance)); |
| 40 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 41 | fMesh.initInstanced(primType, vertexBuffer, indexBuffer, firstVertex, verticesPerInstance, |
| 42 | indicesPerInstance, instancesToDraw, maxInstancesPerDraw); |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 43 | return vertices; |
| 44 | } |
| 45 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 46 | void GrMeshDrawOp::InstancedHelper::recordDraw(Target* target, const GrGeometryProcessor* gp) { |
egdaniel | 0e1853c | 2016-03-17 11:35:45 -0700 | [diff] [blame] | 47 | SkASSERT(fMesh.instanceCount()); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 48 | target->draw(gp, fMesh); |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 49 | } |
| 50 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 51 | void* GrMeshDrawOp::QuadHelper::init(Target* target, size_t vertexStride, int quadsToDraw) { |
| 52 | sk_sp<const GrBuffer> quadIndexBuffer(target->resourceProvider()->refQuadIndexBuffer()); |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 53 | if (!quadIndexBuffer) { |
| 54 | SkDebugf("Could not get quad index buffer."); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 55 | return nullptr; |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 56 | } |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 57 | return this->INHERITED::init(target, kTriangles_GrPrimitiveType, vertexStride, |
Hal Canary | 144caf5 | 2016-11-07 17:57:18 -0500 | [diff] [blame] | 58 | quadIndexBuffer.get(), kVerticesPerQuad, kIndicesPerQuad, |
| 59 | quadsToDraw); |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 60 | } |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 61 | |
Brian Salomon | bde4285 | 2016-12-21 11:37:49 -0500 | [diff] [blame] | 62 | void GrMeshDrawOp::onExecute(GrOpFlushState* state, const SkRect& bounds) { |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 63 | int currUploadIdx = 0; |
| 64 | int currMeshIdx = 0; |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 65 | |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 66 | SkASSERT(fQueuedDraws.empty() || fBaseDrawToken == state->nextTokenToFlush()); |
| 67 | |
| 68 | for (int currDrawIdx = 0; currDrawIdx < fQueuedDraws.count(); ++currDrawIdx) { |
Brian Salomon | 9afd371 | 2016-12-01 10:59:09 -0500 | [diff] [blame] | 69 | GrDrawOpUploadToken drawToken = state->nextTokenToFlush(); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 70 | while (currUploadIdx < fInlineUploads.count() && |
| 71 | fInlineUploads[currUploadIdx].fUploadBeforeToken == drawToken) { |
Greg Daniel | 77b53f6 | 2016-10-18 11:48:51 -0400 | [diff] [blame] | 72 | state->commandBuffer()->inlineUpload(state, fInlineUploads[currUploadIdx++].fUpload); |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 73 | } |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 74 | const QueuedDraw& draw = fQueuedDraws[currDrawIdx]; |
egdaniel | 9cb6340 | 2016-06-23 08:37:05 -0700 | [diff] [blame] | 75 | state->commandBuffer()->draw(*this->pipeline(), *draw.fGeometryProcessor.get(), |
Greg Daniel | 36a77ee | 2016-10-18 10:33:25 -0400 | [diff] [blame] | 76 | fMeshes.begin() + currMeshIdx, draw.fMeshCnt, bounds); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 77 | currMeshIdx += draw.fMeshCnt; |
| 78 | state->flushToken(); |
| 79 | } |
| 80 | SkASSERT(currUploadIdx == fInlineUploads.count()); |
| 81 | SkASSERT(currMeshIdx == fMeshes.count()); |
| 82 | fQueuedDraws.reset(); |
| 83 | fInlineUploads.reset(); |
| 84 | } |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 85 | |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 86 | ////////////////////////////////////////////////////////////////////////////// |
| 87 | |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 88 | void GrMeshDrawOp::Target::draw(const GrGeometryProcessor* gp, const GrMesh& mesh) { |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 89 | GrMeshDrawOp* op = this->meshDrawOp(); |
| 90 | op->fMeshes.push_back(mesh); |
| 91 | if (!op->fQueuedDraws.empty()) { |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 92 | // If the last draw shares a geometry processor and there are no intervening uploads, |
| 93 | // add this mesh to it. |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 94 | GrMeshDrawOp::QueuedDraw& lastDraw = op->fQueuedDraws.back(); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 95 | if (lastDraw.fGeometryProcessor == gp && |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 96 | (op->fInlineUploads.empty() || |
| 97 | op->fInlineUploads.back().fUploadBeforeToken != this->nextDrawToken())) { |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 98 | ++lastDraw.fMeshCnt; |
| 99 | return; |
| 100 | } |
| 101 | } |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 102 | GrMeshDrawOp::QueuedDraw& draw = op->fQueuedDraws.push_back(); |
Brian Salomon | 9afd371 | 2016-12-01 10:59:09 -0500 | [diff] [blame] | 103 | GrDrawOpUploadToken token = this->state()->issueDrawToken(); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 104 | draw.fGeometryProcessor.reset(gp); |
| 105 | draw.fMeshCnt = 1; |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 106 | if (op->fQueuedDraws.count() == 1) { |
| 107 | op->fBaseDrawToken = token; |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 108 | } |
| 109 | } |