void GFont::renderCharVertexArray(RenderDevice* renderDevice, const Array<CPUCharVertex>& cpuCharArray, Array<int>& indexArray) const {
// Avoid the overhead of Profiler events by not calling LAUNCH_SHADER...
static const shared_ptr<Shader> fontShader = Shader::getShaderFromPattern("GFont_render.*");
renderDevice->setBlendFunc(RenderDevice::BLEND_SRC_ALPHA, RenderDevice::BLEND_ONE_MINUS_SRC_ALPHA);
renderDevice->setCullFace(CullFace::NONE);
const shared_ptr<VertexBuffer>& vb = VertexBuffer::create((cpuCharArray.size() * sizeof(CPUCharVertex)) + (indexArray.size() * sizeof(int)) + 8, VertexBuffer::WRITE_EVERY_FRAME);
IndexStream indexStream(indexArray, vb);
AttributeArray interleavedArray(cpuCharArray.size() * sizeof(CPUCharVertex), vb);
CPUCharVertex dummy;
# define OFFSET(field) ((size_t)(&dummy.field) - (size_t)&dummy)
AttributeArray texCoordArray (dummy.texCoord, cpuCharArray.size(), interleavedArray, OFFSET(texCoord), sizeof(CPUCharVertex));
AttributeArray positionArray (dummy.position, cpuCharArray.size(), interleavedArray, OFFSET(position), sizeof(CPUCharVertex));
AttributeArray colorArray (dummy.color, cpuCharArray.size(), interleavedArray, OFFSET(color), sizeof(CPUCharVertex));
AttributeArray borderColorArray(dummy.borderColor, cpuCharArray.size(), interleavedArray, OFFSET(borderColor), sizeof(CPUCharVertex));
# undef OFFSET
CPUCharVertex* dst = (CPUCharVertex*)interleavedArray.mapBuffer(GL_WRITE_ONLY);
System::memcpy(dst, cpuCharArray.getCArray(), cpuCharArray.size() * sizeof(CPUCharVertex));
interleavedArray.unmapBuffer();
Args args;
args.enableG3DArgs(false); // Lower CPU overhead for uniform bind
args.setAttributeArray("g3d_Vertex", positionArray);
args.setAttributeArray("g3d_TexCoord0", texCoordArray);
args.setAttributeArray("borderColor", borderColorArray);
args.setAttributeArray("color", colorArray);
args.setIndexArray(indexStream);
args.setPrimitiveType(PrimitiveType::TRIANGLES);
args.setUniform("g3d_ObjectToScreenMatrixTranspose", RenderDevice::current->objectToScreenMatrix().transpose());
args.setUniform("textureMatrix", Matrix4(m_textureMatrix));
args.setUniform("borderWidth", Vector2(m_textureMatrix[0], m_textureMatrix[5]));
args.setUniform("textureLODBias", -0.6f);
args.setUniform("fontTexture", m_texture, Sampler::defaults());
args.setUniform("alphaThreshold", 1.0f / 255.0f);
args.setUniform("translation", Vector2(0, 0));
RenderDevice::current->apply(fontShader, args);
}
UGenArray UGenArray::interleave() const throw()
{
// need to check this
if(internal->size() == 0) return UGenArray();
int maxNumChannels = findMaxNumChannels();
UGenArray interleavedArray(maxNumChannels);
for(int channel = 0; channel < maxNumChannels; channel++)
{
UGen item;
for(int arrayIndex = 0; arrayIndex < internal->size(); arrayIndex++)
{
item <<= wrapAt(arrayIndex).wrapAt(channel);
}
interleavedArray.put(channel, item);
}
return interleavedArray;
}
