private Expression GetWriteColorOutputExpression(int location, Expression colorParam)
{
var framebuffer = (SoftwareFramebuffer)m_context.m_RenderPassBeginInfo.framebuffer;
var imgView = framebuffer.m_createInfo.pAttachments[m_context.m_CurrentSubpass.pColorAttachments[location].attachment];
Expression fragCoord = IntrospectionUtil.GetExpressionFor(() => internal_FragCoord);
Expression call = IntrospectionUtil.GetMethodCallExpression(imgView, "SetPixel", fragCoord, colorParam);
return(call);
}
private Expression GetReadVertexBufferExpression(FieldInfo fieldInfo, int location)
{
Type returnType = fieldInfo.FieldType;
string debugFieldName = string.Format("{0}.{1}", fieldInfo.DeclaringType.Name, fieldInfo.Name);
foreach (var attributeDesc in m_context.m_GraphicsPipeline.m_graphicsPipelineCreateInfo.pVertexInputState.pVertexAttributeDescriptions)
{
if (location == attributeDesc.location)
{
bool found = false;
VkVertexInputBindingDescription inputBindingDesc = new VkVertexInputBindingDescription();
foreach (var item in m_context.m_GraphicsPipeline.m_graphicsPipelineCreateInfo.pVertexInputState.pVertexBindingDescriptions)
{
if (item.binding == attributeDesc.binding)
{
inputBindingDesc = item;
found = true;
break;
}
}
if (!found)
{
// Binding not found
DebugMsg(string.Format(
"ERROR: vertex buffer binding={0} not found for location={1} for field {2}",
attributeDesc.binding, location, debugFieldName
));
return(null);
}
var vb = m_context.m_CommandBuffer.m_context.m_VertexBuffers[attributeDesc.binding];
var mem = vb.m_deviceMemory;
int stride = inputBindingDesc.stride;
int offset = attributeDesc.offset;
byte[] memory = mem.m_bytes;
if (vb.m_VertexBufferCache != null)
{
// Use vertex buffer cache
Expression indexExpression = IntrospectionUtil.GetExpressionFor(() => this.gl_VertexIndex);
return(vb.m_VertexBufferCache.GetReadExpression(returnType, offset, stride, indexExpression));
}
else
{
// Read from raw
return(IntrospectionUtil.GetGenericMethodCallExpression(
this, nameof(ReadVertexBuffer),
new Type[] { returnType },
Expression.Constant(memory),
Expression.Constant(offset),
Expression.Constant(stride)));
}
}
}
DebugMsg(string.Format(
"ERROR: vertex buffer location={0} not found for field {1}",
location, debugFieldName
));
return(null);
}
