void Mesh::generateBoneArrayBuffers(GLuint programId) {
if (!bone_data_dirty_) {
return;
}
// delete
if (boneVboID_ != GVR_INVALID) {
deleter_->queueBuffer(boneVboID_);
boneVboID_ = GVR_INVALID;
}
int nVertices = vertices().size();
if (!vertexBoneData_.getNumBones() || !nVertices) {
LOGV("no bones or vertices");
return;
}
auto it = program_ids_.find(programId);
if (it == program_ids_.end())
{
LOGV("Invalid program Id for bones");
return;
}
GLVaoVboId id = it->second;
glBindVertexArray(id.vaoID);
// BoneID
GLuint boneVboID;
glGenBuffers(1, &boneVboID);
glBindBuffer(GL_ARRAY_BUFFER, boneVboID);
glBufferData(GL_ARRAY_BUFFER,
sizeof(vertexBoneData_.boneData[0]) * vertexBoneData_.boneData.size(),
&vertexBoneData_.boneData[0], GL_STATIC_DRAW);
glEnableVertexAttribArray(getBoneIndicesLoc());
glVertexAttribIPointer(getBoneIndicesLoc(), 4, GL_INT, sizeof(VertexBoneData::BoneData), (const GLvoid*) 0);
// BoneWeight
glEnableVertexAttribArray(getBoneWeightsLoc());
glVertexAttribPointer(getBoneWeightsLoc(), 4, GL_FLOAT, GL_FALSE, sizeof(VertexBoneData::BoneData),
(const GLvoid*) (sizeof(VertexBoneData::BoneData::ids)));
boneVboID_ = boneVboID;
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void Mesh::generateBoneArrayBuffers() {
if (!bone_data_dirty_) {
return;
}
// delete
if (boneVboID_ != GVR_INVALID) {
gl_delete.queueBuffer(boneVboID_);
boneVboID_ = GVR_INVALID;
}
int nVertices = vertices().size();
if (!vertexBoneData_.getNumBones() || !nVertices) {
LOGV("no bones or vertices");
return;
}
glBindVertexArray(vaoID_);
// BoneID
GLuint boneVboID;
glGenBuffers(1, &boneVboID);
glBindBuffer(GL_ARRAY_BUFFER, boneVboID);
glBufferData(GL_ARRAY_BUFFER,
sizeof(vertexBoneData_.boneData[0]) * vertexBoneData_.boneData.size(),
&vertexBoneData_.boneData[0], GL_STATIC_DRAW);
glEnableVertexAttribArray(getBoneIndicesLoc());
glVertexAttribIPointer(getBoneIndicesLoc(), 4, GL_INT, sizeof(VertexBoneData::BoneData), (const GLvoid*) 0);
// BoneWeight
glEnableVertexAttribArray(getBoneWeightsLoc());
glVertexAttribPointer(getBoneWeightsLoc(), 4, GL_FLOAT, GL_FALSE, sizeof(VertexBoneData::BoneData),
(const GLvoid*) (sizeof(VertexBoneData::BoneData::ids)));
boneVboID_ = boneVboID;
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
