18 #include "impeller/scene/importer/scene_flatbuffers.h"
19 #include "impeller/scene/shaders/skinned.vert.h"
20 #include "impeller/scene/shaders/unskinned.vert.h"
32 auto result = std::make_shared<CuboidGeometry>();
33 result->SetSize(size);
40 auto result = std::make_shared<SkinnedVertexBufferGeometry>();
41 result->SetVertexBuffer(std::move(vertex_buffer));
44 auto result = std::make_shared<UnskinnedVertexBufferGeometry>();
45 result->SetVertexBuffer(std::move(vertex_buffer));
51 const fb::MeshPrimitive& mesh,
54 switch (mesh.indices()->type()) {
55 case fb::IndexType::k16Bit:
58 case fb::IndexType::k32Bit:
63 const uint8_t* vertices_start;
64 size_t vertices_bytes;
67 switch (mesh.vertices_type()) {
68 case fb::VertexBuffer::UnskinnedVertexBuffer: {
69 const auto* vertices =
70 mesh.vertices_as_UnskinnedVertexBuffer()->vertices();
71 vertices_start =
reinterpret_cast<const uint8_t*
>(vertices->Get(0));
72 vertices_bytes = vertices->size() *
sizeof(fb::Vertex);
76 case fb::VertexBuffer::SkinnedVertexBuffer: {
77 const auto* vertices = mesh.vertices_as_SkinnedVertexBuffer()->vertices();
78 vertices_start =
reinterpret_cast<const uint8_t*
>(vertices->Get(0));
79 vertices_bytes = vertices->size() *
sizeof(fb::SkinnedVertex);
83 case fb::VertexBuffer::NONE:
88 const uint8_t* indices_start =
89 reinterpret_cast<const uint8_t*
>(mesh.indices()->data()->Data());
91 const size_t indices_bytes = mesh.indices()->data()->size();
92 if (vertices_bytes == 0 || indices_bytes == 0) {
97 buffer_desc.
size = vertices_bytes + indices_bytes;
101 buffer->SetLabel(
"Mesh vertices+indices");
103 if (!buffer->CopyHostBuffer(vertices_start,
Range(0, vertices_bytes))) {
106 if (!buffer->CopyHostBuffer(indices_start,
Range(0, indices_bytes),
113 .index_buffer = {.buffer = buffer,
114 .range =
Range(vertices_bytes, indices_bytes)},
115 .vertex_count = mesh.indices()->count(),
116 .index_type = index_type,
146 {
Vector3(0, 0, 0),
Vector3(0, 0, -1),
Vector3(1, 0, 0),
Point(0, 0),
148 {
Vector3(1, 0, 0),
Vector3(0, 0, -1),
Vector3(1, 0, 0),
Point(1, 0),
150 {
Vector3(1, 1, 0),
Vector3(0, 0, -1),
Vector3(1, 0, 0),
Point(1, 1),
152 {
Vector3(1, 1, 0),
Vector3(0, 0, -1),
Vector3(1, 0, 0),
Point(1, 1),
154 {
Vector3(0, 1, 0),
Vector3(0, 0, -1),
Vector3(1, 0, 0),
Point(0, 1),
156 {
Vector3(0, 0, 0),
Vector3(0, 0, -1),
Vector3(1, 0, 0),
Point(0, 0),
170 UnskinnedVertexShader::FrameInfo info;
171 info.mvp = transform;
172 UnskinnedVertexShader::BindFrameInfo(pass, buffer.
EmplaceUniform(info));
185 vertex_buffer_ = std::move(vertex_buffer);
196 return vertex_buffer_;
208 UnskinnedVertexShader::FrameInfo info;
209 info.mvp = transform;
210 UnskinnedVertexShader::BindFrameInfo(pass, buffer.
EmplaceUniform(info));
222 vertex_buffer_ = std::move(vertex_buffer);
233 return vertex_buffer_;
250 sampler_desc.
label =
"NN Repeat";
252 SkinnedVertexShader::BindJointsTexture(
255 scene_context.
GetContext()->GetSamplerLibrary()->GetSampler(
258 SkinnedVertexShader::FrameInfo info;
259 info.mvp = transform;
260 info.enable_skinning = joints_texture_ ? 1 : 0;
261 info.joint_texture_size =
262 joints_texture_ ? joints_texture_->GetSize().width : 1;
263 SkinnedVertexShader::BindFrameInfo(pass, buffer.
EmplaceUniform(info));
268 const std::shared_ptr<Texture>& texture) {
269 joints_texture_ = texture;