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@@ -356,8 +356,6 @@ void calcTangents(void* _vertices, uint16_t _numVertices, bgfx::VertexLayout _la
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delete [] tangents;
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}
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-
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-
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Group::Group()
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{
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reset();
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@@ -381,88 +379,91 @@ namespace bgfx
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void Mesh::load(bx::ReaderSeekerI* _reader, bool _ramcopy)
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{
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-#define BGFX_CHUNK_MAGIC_VB BX_MAKEFOURCC('V', 'B', ' ', 0x1)
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-#define BGFX_CHUNK_MAGIC_VBC BX_MAKEFOURCC('V', 'B', 'C', 0x0)
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-#define BGFX_CHUNK_MAGIC_IB BX_MAKEFOURCC('I', 'B', ' ', 0x0)
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-#define BGFX_CHUNK_MAGIC_IBC BX_MAKEFOURCC('I', 'B', 'C', 0x1)
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-#define BGFX_CHUNK_MAGIC_PRI BX_MAKEFOURCC('P', 'R', 'I', 0x0)
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+ constexpr uint32_t kChunkVertexBuffer = BX_MAKEFOURCC('V', 'B', ' ', 0x1);
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+ constexpr uint32_t kChunkVertexBufferCompressed = BX_MAKEFOURCC('V', 'B', 'C', 0x0);
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+ constexpr uint32_t kChunkIndexBuffer = BX_MAKEFOURCC('I', 'B', ' ', 0x0);
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+ constexpr uint32_t kChunkIndexBufferCompressed = BX_MAKEFOURCC('I', 'B', 'C', 0x1);
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+ constexpr uint32_t kChunkPrimitive = BX_MAKEFOURCC('P', 'R', 'I', 0x0);
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using namespace bx;
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using namespace bgfx;
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-
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+
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Group group;
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-
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+
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bx::AllocatorI* allocator = entry::getAllocator();
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-
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+
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uint32_t chunk;
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bx::Error err;
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while (4 == bx::read(_reader, chunk, &err)
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- && err.isOk() )
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+ && err.isOk() )
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{
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switch (chunk)
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{
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- case BGFX_CHUNK_MAGIC_VB:
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+ case kChunkVertexBuffer:
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{
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read(_reader, group.m_sphere);
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read(_reader, group.m_aabb);
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read(_reader, group.m_obb);
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-
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+
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read(_reader, m_layout);
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-
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+
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uint16_t stride = m_layout.getStride();
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-
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+
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read(_reader, group.m_numVertices);
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const bgfx::Memory* mem = bgfx::alloc(group.m_numVertices*stride);
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read(_reader, mem->data, mem->size);
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- if ( _ramcopy )
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+
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+ if (_ramcopy)
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{
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group.m_vertices = (uint8_t*)BX_ALLOC(allocator, group.m_numVertices*stride);
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bx::memCopy(group.m_vertices, mem->data, mem->size);
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}
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+
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group.m_vbh = bgfx::createVertexBuffer(mem, m_layout);
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}
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break;
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-
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- case BGFX_CHUNK_MAGIC_VBC:
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+
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+ case kChunkVertexBufferCompressed:
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{
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read(_reader, group.m_sphere);
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read(_reader, group.m_aabb);
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read(_reader, group.m_obb);
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-
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+
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read(_reader, m_layout);
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-
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+
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uint16_t stride = m_layout.getStride();
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-
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+
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read(_reader, group.m_numVertices);
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-
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+
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const bgfx::Memory* mem = bgfx::alloc(group.m_numVertices*stride);
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-
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+
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uint32_t compressedSize;
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bx::read(_reader, compressedSize);
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-
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+
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void* compressedVertices = BX_ALLOC(allocator, compressedSize);
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bx::read(_reader, compressedVertices, compressedSize);
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-
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+
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meshopt_decodeVertexBuffer(mem->data, group.m_numVertices, stride, (uint8_t*)compressedVertices, compressedSize);
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-
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+
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BX_FREE(allocator, compressedVertices);
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- if ( _ramcopy )
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+ if (_ramcopy)
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{
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group.m_vertices = (uint8_t*)BX_ALLOC(allocator, group.m_numVertices*stride);
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bx::memCopy(group.m_vertices, mem->data, mem->size);
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}
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-
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+
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group.m_vbh = bgfx::createVertexBuffer(mem, m_layout);
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}
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break;
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-
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- case BGFX_CHUNK_MAGIC_IB:
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+
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+ case kChunkIndexBuffer:
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{
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read(_reader, group.m_numIndices);
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const bgfx::Memory* mem = bgfx::alloc(group.m_numIndices*2);
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read(_reader, mem->data, mem->size);
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- if ( _ramcopy )
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+
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+ if (_ramcopy)
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{
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group.m_indices = (uint16_t*)BX_ALLOC(allocator, group.m_numIndices*2);
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bx::memCopy(group.m_indices, mem->data, mem->size);
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@@ -471,54 +472,54 @@ void Mesh::load(bx::ReaderSeekerI* _reader, bool _ramcopy)
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group.m_ibh = bgfx::createIndexBuffer(mem);
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}
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break;
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-
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- case BGFX_CHUNK_MAGIC_IBC:
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+
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+ case kChunkIndexBufferCompressed:
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{
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bx::read(_reader, group.m_numIndices);
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-
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+
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const bgfx::Memory* mem = bgfx::alloc(group.m_numIndices*2);
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-
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+
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uint32_t compressedSize;
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bx::read(_reader, compressedSize);
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-
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+
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void* compressedIndices = BX_ALLOC(allocator, compressedSize);
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-
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+
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bx::read(_reader, compressedIndices, compressedSize);
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-
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+
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meshopt_decodeIndexBuffer(mem->data, group.m_numIndices, 2, (uint8_t*)compressedIndices, compressedSize);
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-
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+
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BX_FREE(allocator, compressedIndices);
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-
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- if ( _ramcopy )
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+
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+ if (_ramcopy)
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{
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group.m_indices = (uint16_t*)BX_ALLOC(allocator, group.m_numIndices*2);
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bx::memCopy(group.m_indices, mem->data, mem->size);
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}
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-
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+
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group.m_ibh = bgfx::createIndexBuffer(mem);
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}
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break;
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-
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- case BGFX_CHUNK_MAGIC_PRI:
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+
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+ case kChunkPrimitive:
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{
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uint16_t len;
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read(_reader, len);
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-
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+
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stl::string material;
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material.resize(len);
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read(_reader, const_cast<char*>(material.c_str() ), len);
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-
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+
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uint16_t num;
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read(_reader, num);
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-
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+
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for (uint32_t ii = 0; ii < num; ++ii)
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{
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read(_reader, len);
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-
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+
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stl::string name;
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name.resize(len);
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read(_reader, const_cast<char*>(name.c_str() ), len);
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-
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+
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Primitive prim;
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read(_reader, prim.m_startIndex);
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read(_reader, prim.m_numIndices);
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@@ -527,15 +528,15 @@ void Mesh::load(bx::ReaderSeekerI* _reader, bool _ramcopy)
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read(_reader, prim.m_sphere);
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read(_reader, prim.m_aabb);
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read(_reader, prim.m_obb);
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-
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+
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group.m_prims.push_back(prim);
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}
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-
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+
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m_groups.push_back(group);
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group.reset();
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}
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break;
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-
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+
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default:
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DBG("%08x at %d", chunk, bx::skip(_reader, 0) );
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break;
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@@ -546,23 +547,23 @@ void Mesh::load(bx::ReaderSeekerI* _reader, bool _ramcopy)
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void Mesh::unload()
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{
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bx::AllocatorI* allocator = entry::getAllocator();
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-
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+
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for (GroupArray::const_iterator it = m_groups.begin(), itEnd = m_groups.end(); it != itEnd; ++it)
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{
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const Group& group = *it;
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bgfx::destroy(group.m_vbh);
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-
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+
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if (bgfx::isValid(group.m_ibh) )
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{
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bgfx::destroy(group.m_ibh);
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}
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-
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- if ( NULL != group.m_vertices )
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+
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+ if (NULL != group.m_vertices)
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{
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BX_FREE(allocator, group.m_vertices);
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}
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- if ( NULL != group.m_indices )
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+ if (NULL != group.m_indices)
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{
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BX_FREE(allocator, group.m_indices);
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}
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@@ -575,22 +576,22 @@ void Mesh::submit(bgfx::ViewId _id, bgfx::ProgramHandle _program, const float* _
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if (BGFX_STATE_MASK == _state)
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{
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_state = 0
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- | BGFX_STATE_WRITE_RGB
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- | BGFX_STATE_WRITE_A
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- | BGFX_STATE_WRITE_Z
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- | BGFX_STATE_DEPTH_TEST_LESS
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- | BGFX_STATE_CULL_CCW
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- | BGFX_STATE_MSAA
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- ;
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+ | BGFX_STATE_WRITE_RGB
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+ | BGFX_STATE_WRITE_A
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+ | BGFX_STATE_WRITE_Z
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+ | BGFX_STATE_DEPTH_TEST_LESS
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+ | BGFX_STATE_CULL_CCW
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+ | BGFX_STATE_MSAA
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+ ;
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}
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-
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+
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bgfx::setTransform(_mtx);
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bgfx::setState(_state);
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-
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+
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for (GroupArray::const_iterator it = m_groups.begin(), itEnd = m_groups.end(); it != itEnd; ++it)
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{
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const Group& group = *it;
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-
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+
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bgfx::setIndexBuffer(group.m_ibh);
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bgfx::setVertexBuffer(0, group.m_vbh);
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bgfx::submit(_id, _program, 0, (it == itEnd-1) ? (BGFX_DISCARD_INDEX_BUFFER | BGFX_DISCARD_VERTEX_STREAMS | BGFX_DISCARD_STATE) : BGFX_DISCARD_NONE);
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@@ -600,31 +601,37 @@ void Mesh::submit(bgfx::ViewId _id, bgfx::ProgramHandle _program, const float* _
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void Mesh::submit(const MeshState*const* _state, uint8_t _numPasses, const float* _mtx, uint16_t _numMatrices) const
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{
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uint32_t cached = bgfx::setTransform(_mtx, _numMatrices);
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-
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+
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for (uint32_t pass = 0; pass < _numPasses; ++pass)
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{
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bgfx::setTransform(cached, _numMatrices);
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-
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+
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const MeshState& state = *_state[pass];
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bgfx::setState(state.m_state);
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-
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+
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for (uint8_t tex = 0; tex < state.m_numTextures; ++tex)
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{
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const MeshState::Texture& texture = state.m_textures[tex];
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- bgfx::setTexture(texture.m_stage
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- , texture.m_sampler
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- , texture.m_texture
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- , texture.m_flags
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- );
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+ bgfx::setTexture(
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+ texture.m_stage
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+ , texture.m_sampler
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+ , texture.m_texture
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+ , texture.m_flags
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+ );
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}
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-
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+
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for (GroupArray::const_iterator it = m_groups.begin(), itEnd = m_groups.end(); it != itEnd; ++it)
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{
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const Group& group = *it;
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-
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+
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bgfx::setIndexBuffer(group.m_ibh);
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bgfx::setVertexBuffer(0, group.m_vbh);
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- bgfx::submit(state.m_viewId, state.m_program, 0, (it == itEnd - 1) ? (BGFX_DISCARD_INDEX_BUFFER | BGFX_DISCARD_VERTEX_STREAMS | BGFX_DISCARD_STATE) : BGFX_DISCARD_NONE);
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+ bgfx::submit(
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+ state.m_viewId
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+ , state.m_program
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+ , 0
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+ , (it == itEnd - 1) ? (BGFX_DISCARD_INDEX_BUFFER | BGFX_DISCARD_VERTEX_STREAMS | BGFX_DISCARD_STATE) : BGFX_DISCARD_NONE
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+ );
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}
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}
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}
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