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VertexInput::Add增加instance输入参数

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This commit is contained in:
HuYingzhuo 2019-04-16 14:17:39 +08:00
parent fc28d2d4fe
commit 2194cef2a8
2 changed files with 4 additions and 4 deletions
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6
example/Vulkan/VKVertexInput.cpp
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@ -11,19 +11,19 @@ VK_NAMESPACE_BEGIN
// Buffer *buf;
//};
bool VertexInput::Add(VertexBuffer *buf)
bool VertexInput::Add(VertexBuffer *buf,bool instance)
{
if(!buf)
return(false);
const int binding_index=vib_list.GetCount(); //参考opengl vab,binding_index必须从0开始，紧密排列，但是否必须这样，待以后测试
const int binding_index=vib_list.GetCount(); //参考opengl vab,binding_index必须从0开始，紧密排列。对应在vkCmdBindVertexBuffer中的缓冲区索引
VkVertexInputBindingDescription binding;
VkVertexInputAttributeDescription attrib;
binding.binding=binding_index;
binding.stride=buf->GetStride();
binding.inputRate=VK_VERTEX_INPUT_RATE_VERTEX; //还有一种是INSTANCE，暂时未知
binding.inputRate=instance?VK_VERTEX_INPUT_RATE_INSTANCE:VK_VERTEX_INPUT_RATE_VERTEX;
attrib.binding=binding_index;
attrib.location=0;

2
example/Vulkan/VKVertexInput.h
View File

@ -33,7 +33,7 @@ class VertexInput
public:
bool Add(VertexBuffer *);
bool Add(VertexBuffer *,bool instance=false);
public: