Refugee from Dead Machine 4: MDB Monster

src/gpu/GrTargetCommands.cpp

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrTargetCommands.h"
+
+#include "GrBatchFlushState.h"
+#include "GrGpu.h"
+#include "GrPathRendering.h"
+#include "batches/GrDrawBatch.h"
+#include "batches/GrVertexBatch.h"
+
+GrBATCH_SPEW(int32_t GrTargetCommands::Cmd::gUniqueID = 0;)
+
+void GrTargetCommands::reset() {
+    fCmdBuffer.reset();
+}
+
+void GrTargetCommands::flush(GrGpu* gpu, GrResourceProvider* resourceProvider) {
+    GrBATCH_INFO("Flushing\n");
+    if (fCmdBuffer.empty()) {
+        return;
+    }
+    GrBatchFlushState flushState(fFoo, gpu, resourceProvider, fLastFlushToken);
+    // Loop over all batches and generate geometry
+    CmdBuffer::Iter genIter(fCmdBuffer);
+    while (genIter.next()) {
+        if (Cmd::kDrawBatch_CmdType == genIter->type()) {
+            DrawBatch* db = reinterpret_cast<DrawBatch*>(genIter.get());
+            db->batch()->prepare(&flushState);
+        }
+    }
+
+    flushState.preIssueDraws();
+
+    CmdBuffer::Iter iter(fCmdBuffer);
+    while (iter.next()) {
+        iter->execute(&flushState);
+    }
+    fLastFlushToken = flushState.lastFlushedToken();
+}
+
+void GrTargetCommands::DrawPath::execute(GrBatchFlushState* state) {
+    if (!fState->fCompiled) {
+        state->gpu()->buildProgramDesc(&fState->fDesc, *fState->fPrimitiveProcessor,
+                                       *fState->getPipeline(), fState->fBatchTracker);
+        fState->fCompiled = true;
+    }
+    GrPathRendering::DrawPathArgs args(fState->fPrimitiveProcessor.get(), fState->getPipeline(),
+                                       &fState->fDesc, &fState->fBatchTracker, &fStencilSettings);
+    state->gpu()->pathRendering()->drawPath(args, this->path());
+}
+
+void GrTargetCommands::DrawPaths::execute(GrBatchFlushState* state) {
+    if (!fState->fCompiled) {
+        state->gpu()->buildProgramDesc(&fState->fDesc, *fState->fPrimitiveProcessor,
+                                       *fState->getPipeline(), fState->fBatchTracker);
+        fState->fCompiled = true;
+    }
+    GrPathRendering::DrawPathArgs args(fState->fPrimitiveProcessor.get(), fState->getPipeline(),
+                                       &fState->fDesc, &fState->fBatchTracker, &fStencilSettings);
+    state->gpu()->pathRendering()->drawPaths(args, this->pathRange(), fIndices, fIndexType,
+                                             fTransforms, fTransformType, fCount);
+}
+
+void GrTargetCommands::DrawBatch::execute(GrBatchFlushState* state) {
+    fBatch->draw(state);
+}