31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
#include "mediapipe/gpu/gl_texture_util.h"
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namespace mediapipe {
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void CopyGlTexture(const GlTextureView& src, GlTextureView& dst) {
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glViewport(0, 0, src.width(), src.height());
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, src.target(),
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src.name(), 0);
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(dst.target(), dst.name());
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glCopyTexSubImage2D(dst.target(), 0, 0, 0, 0, 0, dst.width(), dst.height());
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glBindTexture(dst.target(), 0);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, src.target(), 0,
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0);
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}
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void FillGlTextureRgba(GlTextureView& view, float r, float g, float b,
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float a) {
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glViewport(0, 0, view.width(), view.height());
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, view.target(),
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view.name(), 0);
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glClearColor(r, g, b, a);
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glClear(GL_COLOR_BUFFER_BIT);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, view.target(), 0,
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0);
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}
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} // namespace mediapipe
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