Add bitmapmesh, rect, and patch rendering
bug:22480459
Change-Id: Id9e9146997dd018b3e4e785c2bc13689e3cf7c3c
diff --git a/libs/hwui/BakedOpDispatcher.cpp b/libs/hwui/BakedOpDispatcher.cpp
index 3d35dd5..f1c89b8 100644
--- a/libs/hwui/BakedOpDispatcher.cpp
+++ b/libs/hwui/BakedOpDispatcher.cpp
@@ -20,6 +20,7 @@
#include "Caches.h"
#include "Glop.h"
#include "GlopBuilder.h"
+#include "Patch.h"
#include "PathTessellator.h"
#include "renderstate/OffscreenBufferPool.h"
#include "renderstate/RenderState.h"
@@ -56,8 +57,6 @@
if (entry) {
entry->uvMapper.map(texCoords);
}
- // init to non-empty, so we can safely expandtoCoverRect
- Rect totalBounds = firstState.computedState.clippedBounds;
for (size_t i = 0; i < opList.count; i++) {
const BakedOpState& state = *(opList.states[i]);
TextureVertex* rectVerts = &vertices[i * 4];
@@ -68,8 +67,6 @@
}
storeTexturedRect(rectVerts, opBounds, texCoords);
renderer.dirtyRenderTarget(opBounds);
-
- totalBounds.expandToCover(opBounds);
}
const int textureFillFlags = (bitmap->colorType() == kAlpha_8_SkColorType)
@@ -80,7 +77,111 @@
.setMeshTexturedIndexedQuads(vertices, opList.count * 6)
.setFillTexturePaint(*texture, textureFillFlags, firstState.op->paint, firstState.alpha)
.setTransform(Matrix4::identity(), TransformFlags::None)
- .setModelViewOffsetRect(0, 0, totalBounds) // don't snap here, we snap per-quad above
+ .setModelViewIdentityEmptyBounds()
+ .build();
+ renderer.renderGlop(nullptr, opList.clipSideFlags ? &opList.clip : nullptr, glop);
+}
+
+void BakedOpDispatcher::onMergedPatchOps(BakedOpRenderer& renderer,
+ const MergedBakedOpList& opList) {
+ const PatchOp& firstOp = *(static_cast<const PatchOp*>(opList.states[0]->op));
+ const BakedOpState& firstState = *(opList.states[0]);
+ AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(
+ firstOp.bitmap->pixelRef());
+
+ // Batches will usually contain a small number of items so it's
+ // worth performing a first iteration to count the exact number
+ // of vertices we need in the new mesh
+ uint32_t totalVertices = 0;
+
+ for (size_t i = 0; i < opList.count; i++) {
+ const PatchOp& op = *(static_cast<const PatchOp*>(opList.states[i]->op));
+
+ // TODO: cache mesh lookups
+ const Patch* opMesh = renderer.caches().patchCache.get(
+ entry, op.bitmap->width(), op.bitmap->height(),
+ op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch);
+ totalVertices += opMesh->verticesCount;
+ }
+
+ const bool dirtyRenderTarget = renderer.offscreenRenderTarget();
+
+ uint32_t indexCount = 0;
+
+ TextureVertex vertices[totalVertices];
+ TextureVertex* vertex = &vertices[0];
+ // Create a mesh that contains the transformed vertices for all the
+ // 9-patch objects that are part of the batch. Note that onDefer()
+ // enforces ops drawn by this function to have a pure translate or
+ // identity matrix
+ for (size_t i = 0; i < opList.count; i++) {
+ const PatchOp& op = *(static_cast<const PatchOp*>(opList.states[i]->op));
+ const BakedOpState& state = *opList.states[i];
+
+ // TODO: cache mesh lookups
+ const Patch* opMesh = renderer.caches().patchCache.get(
+ entry, op.bitmap->width(), op.bitmap->height(),
+ op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch);
+
+
+ uint32_t vertexCount = opMesh->verticesCount;
+ if (vertexCount == 0) continue;
+
+ // We use the bounds to know where to translate our vertices
+ // Using patchOp->state.mBounds wouldn't work because these
+ // bounds are clipped
+ const float tx = floorf(state.computedState.transform.getTranslateX()
+ + op.unmappedBounds.left + 0.5f);
+ const float ty = floorf(state.computedState.transform.getTranslateY()
+ + op.unmappedBounds.top + 0.5f);
+
+ // Copy & transform all the vertices for the current operation
+ TextureVertex* opVertices = opMesh->vertices.get();
+ for (uint32_t j = 0; j < vertexCount; j++, opVertices++) {
+ TextureVertex::set(vertex++,
+ opVertices->x + tx, opVertices->y + ty,
+ opVertices->u, opVertices->v);
+ }
+
+ // Dirty the current layer if possible. When the 9-patch does not
+ // contain empty quads we can take a shortcut and simply set the
+ // dirty rect to the object's bounds.
+ if (dirtyRenderTarget) {
+ if (!opMesh->hasEmptyQuads) {
+ renderer.dirtyRenderTarget(Rect(tx, ty,
+ tx + op.unmappedBounds.getWidth(), ty + op.unmappedBounds.getHeight()));
+ } else {
+ const size_t count = opMesh->quads.size();
+ for (size_t i = 0; i < count; i++) {
+ const Rect& quadBounds = opMesh->quads[i];
+ const float x = tx + quadBounds.left;
+ const float y = ty + quadBounds.top;
+ renderer.dirtyRenderTarget(Rect(x, y,
+ x + quadBounds.getWidth(), y + quadBounds.getHeight()));
+ }
+ }
+ }
+
+ indexCount += opMesh->indexCount;
+ }
+
+
+ Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(firstOp.bitmap);
+ if (!texture) return;
+ const AutoTexture autoCleanup(texture);
+
+ // 9 patches are built for stretching - always filter
+ int textureFillFlags = TextureFillFlags::ForceFilter;
+ if (firstOp.bitmap->colorType() == kAlpha_8_SkColorType) {
+ textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture;
+ }
+ Glop glop;
+ GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
+ .setRoundRectClipState(firstState.roundRectClipState)
+ .setMeshTexturedIndexedQuads(vertices, indexCount)
+ .setFillTexturePaint(*texture, textureFillFlags, firstOp.paint, firstState.alpha)
+ .setTransform(Matrix4::identity(), TransformFlags::None)
+ .setModelViewIdentityEmptyBounds()
.build();
renderer.renderGlop(nullptr, opList.clipSideFlags ? &opList.clip : nullptr, glop);
}
@@ -310,6 +411,105 @@
renderer.renderGlop(state, glop);
}
+void BakedOpDispatcher::onBitmapMeshOp(BakedOpRenderer& renderer, const BitmapMeshOp& op, const BakedOpState& state) {
+ const static UvMapper defaultUvMapper;
+ const uint32_t elementCount = op.meshWidth * op.meshHeight * 6;
+
+ std::unique_ptr<ColorTextureVertex[]> mesh(new ColorTextureVertex[elementCount]);
+ ColorTextureVertex* vertex = &mesh[0];
+
+ const int* colors = op.colors;
+ std::unique_ptr<int[]> tempColors;
+ if (!colors) {
+ uint32_t colorsCount = (op.meshWidth + 1) * (op.meshHeight + 1);
+ tempColors.reset(new int[colorsCount]);
+ memset(tempColors.get(), 0xff, colorsCount * sizeof(int));
+ colors = tempColors.get();
+ }
+
+ Texture* texture = renderer.renderState().assetAtlas().getEntryTexture(op.bitmap->pixelRef());
+ const UvMapper& mapper(texture && texture->uvMapper ? *texture->uvMapper : defaultUvMapper);
+
+ for (int32_t y = 0; y < op.meshHeight; y++) {
+ for (int32_t x = 0; x < op.meshWidth; x++) {
+ uint32_t i = (y * (op.meshWidth + 1) + x) * 2;
+
+ float u1 = float(x) / op.meshWidth;
+ float u2 = float(x + 1) / op.meshWidth;
+ float v1 = float(y) / op.meshHeight;
+ float v2 = float(y + 1) / op.meshHeight;
+
+ mapper.map(u1, v1, u2, v2);
+
+ int ax = i + (op.meshWidth + 1) * 2;
+ int ay = ax + 1;
+ int bx = i;
+ int by = bx + 1;
+ int cx = i + 2;
+ int cy = cx + 1;
+ int dx = i + (op.meshWidth + 1) * 2 + 2;
+ int dy = dx + 1;
+
+ const float* vertices = op.vertices;
+ ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]);
+ ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]);
+ ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]);
+
+ ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]);
+ ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]);
+ ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]);
+ }
+ }
+
+ if (!texture) {
+ texture = renderer.caches().textureCache.get(op.bitmap);
+ if (!texture) {
+ return;
+ }
+ }
+ const AutoTexture autoCleanup(texture);
+
+ /*
+ * TODO: handle alpha_8 textures correctly by applying paint color, but *not*
+ * shader in that case to mimic the behavior in SkiaCanvas::drawBitmapMesh.
+ */
+ const int textureFillFlags = TextureFillFlags::None;
+ Glop glop;
+ GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
+ .setRoundRectClipState(state.roundRectClipState)
+ .setMeshColoredTexturedMesh(mesh.get(), elementCount)
+ .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha)
+ .setTransform(state.computedState.transform, TransformFlags::None)
+ .setModelViewOffsetRect(0, 0, op.unmappedBounds)
+ .build();
+ renderer.renderGlop(state, glop);
+}
+
+void BakedOpDispatcher::onBitmapRectOp(BakedOpRenderer& renderer, const BitmapRectOp& op, const BakedOpState& state) {
+ Texture* texture = renderer.getTexture(op.bitmap);
+ if (!texture) return;
+ const AutoTexture autoCleanup(texture);
+
+ Rect uv(std::max(0.0f, op.src.left / texture->width),
+ std::max(0.0f, op.src.top / texture->height),
+ std::min(1.0f, op.src.right / texture->width),
+ std::min(1.0f, op.src.bottom / texture->height));
+
+ const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType)
+ ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None;
+ const bool tryToSnap = MathUtils::areEqual(op.src.getWidth(), op.unmappedBounds.getWidth())
+ && MathUtils::areEqual(op.src.getHeight(), op.unmappedBounds.getHeight());
+ Glop glop;
+ GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
+ .setRoundRectClipState(state.roundRectClipState)
+ .setMeshTexturedUvQuad(texture->uvMapper, uv)
+ .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha)
+ .setTransform(state.computedState.transform, TransformFlags::None)
+ .setModelViewMapUnitToRectOptionalSnap(tryToSnap, op.unmappedBounds)
+ .build();
+ renderer.renderGlop(state, glop);
+}
+
void BakedOpDispatcher::onLinesOp(BakedOpRenderer& renderer, const LinesOp& op, const BakedOpState& state) {
VertexBuffer buffer;
PathTessellator::tessellateLines(op.points, op.floatCount, op.paint,
@@ -334,6 +534,35 @@
}
}
+void BakedOpDispatcher::onPatchOp(BakedOpRenderer& renderer, const PatchOp& op, const BakedOpState& state) {
+ // 9 patches are built for stretching - always filter
+ int textureFillFlags = TextureFillFlags::ForceFilter;
+ if (op.bitmap->colorType() == kAlpha_8_SkColorType) {
+ textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture;
+ }
+
+ // TODO: avoid redoing the below work each frame:
+ AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(op.bitmap->pixelRef());
+ const Patch* mesh = renderer.caches().patchCache.get(
+ entry, op.bitmap->width(), op.bitmap->height(),
+ op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch);
+
+ Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(op.bitmap);
+ if (!texture) return;
+ const AutoTexture autoCleanup(texture);
+ Glop glop;
+ GlopBuilder(renderer.renderState(), renderer.caches(), &glop)
+ .setRoundRectClipState(state.roundRectClipState)
+ .setMeshPatchQuads(*mesh)
+ .setMeshTexturedUnitQuad(texture->uvMapper)
+ .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha)
+ .setTransform(state.computedState.transform, TransformFlags::None)
+ .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top,
+ Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight()))
+ .build();
+ renderer.renderGlop(state, glop);
+}
+
void BakedOpDispatcher::onPathOp(BakedOpRenderer& renderer, const PathOp& op, const BakedOpState& state) {
PathTexture* texture = renderer.caches().pathCache.get(op.path, op.paint);
const AutoTexture holder(texture);