diff options
Diffstat (limited to 'libs/hwui/LayerRenderer.cpp')
| -rw-r--r-- | libs/hwui/LayerRenderer.cpp | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/libs/hwui/LayerRenderer.cpp b/libs/hwui/LayerRenderer.cpp index 36709dc..2dd4dca 100644 --- a/libs/hwui/LayerRenderer.cpp +++ b/libs/hwui/LayerRenderer.cpp @@ -99,11 +99,13 @@ void LayerRenderer::generateMesh() { mLayer->meshIndices = NULL; } + bool rebuildIndices = false; if (!mLayer->mesh) { mLayer->mesh = new TextureVertex[count * 4]; mLayer->meshIndices = new uint16_t[elementCount]; - mLayer->meshElementCount = elementCount; + rebuildIndices = true; } + mLayer->meshElementCount = elementCount; const float texX = 1.0f / float(mLayer->width); const float texY = 1.0f / float(mLayer->height); @@ -125,14 +127,16 @@ void LayerRenderer::generateMesh() { TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); - uint16_t quad = i * 4; - int index = i * 6; - indices[index ] = quad; // top-left - indices[index + 1] = quad + 1; // top-right - indices[index + 2] = quad + 2; // bottom-left - indices[index + 3] = quad + 2; // bottom-left - indices[index + 4] = quad + 1; // top-right - indices[index + 5] = quad + 3; // bottom-right + if (rebuildIndices) { + uint16_t quad = i * 4; + int index = i * 6; + indices[index ] = quad; // top-left + indices[index + 1] = quad + 1; // top-right + indices[index + 2] = quad + 2; // bottom-left + indices[index + 3] = quad + 2; // bottom-left + indices[index + 4] = quad + 1; // top-right + indices[index + 5] = quad + 3; // bottom-right + } } #endif } |