38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
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#include <GL/gl3w.h>
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#include "TracyTexture.hpp"
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#ifndef COMPRESSED_RGB_S3TC_DXT1_EXT
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# define COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
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#endif
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namespace tracy
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{
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void* MakeTexture()
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{
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GLuint tex;
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glGenTextures( 1, &tex );
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glBindTexture( GL_TEXTURE_2D, tex );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
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return (void*)(intptr_t)tex;
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}
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void FreeTexture( void* _tex, void(*runOnMainThread)(std::function<void()>) )
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{
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auto tex = (GLuint)(intptr_t)_tex;
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runOnMainThread( [tex] { glDeleteTextures( 1, &tex ); } );
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}
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void UpdateTexture( void* _tex, const char* data, int w, int h )
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{
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auto tex = (GLuint)(intptr_t)_tex;
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glBindTexture( GL_TEXTURE_2D, tex );
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glCompressedTexImage2D( GL_TEXTURE_2D, 0, COMPRESSED_RGB_S3TC_DXT1_EXT, w, h, 0, w * h / 2, data );
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}
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}
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