54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#include<hgl/graph/font/TextRenderable.h>
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#include<hgl/graph/vulkan/VKDevice.h>
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#include<hgl/graph/vulkan/VKMaterial.h>
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namespace hgl
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{
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namespace graph
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{
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TextRenderable::TextRenderable(vulkan::Device *dev,vulkan::Material *m,uint mc):vulkan::Renderable(mc)
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{
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device=dev;
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mtl=m;
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max_count=0;
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vab_position=nullptr;
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vab_tex_coord=nullptr;
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}
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TextRenderable::~TextRenderable()
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{
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SAFE_CLEAR(vab_tex_coord);
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SAFE_CLEAR(vab_position);
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}
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void TextRenderable::SetCharCount(const uint cc)
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{
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this->draw_count=cc;
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if(cc<=max_count)return;
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max_count=power_to_2(cc);
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{
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if(vab_position)
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delete vab_position;
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vab_position =device->CreateVAB(VAF_VEC4,max_count);
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Set(VAN::Position,vab_position);
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}
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{
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if(vab_tex_coord)
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delete vab_tex_coord;
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vab_tex_coord =device->CreateVAB(VAF_VEC4,max_count);
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Set(VAN::TexCoord,vab_tex_coord);
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}
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}
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bool TextRenderable::WriteVertex (const float *fp){if(!fp)return(false);if(!vab_position )return(false);return vab_position ->Write(fp,draw_count*4*sizeof(float));}
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bool TextRenderable::WriteTexCoord (const float *fp){if(!fp)return(false);if(!vab_tex_coord)return(false);return vab_tex_coord ->Write(fp,draw_count*4*sizeof(float));}
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}//namespace graph
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}//namespace hgl
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