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OpenGLContext: Re-bind previous program after copying texture

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reuk 2023-10-09 13:33:08 +01:00
parent f76799fde2
commit 9bf785f221
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1 changed files with 5 additions and 0 deletions
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modules/juce_opengl/opengl/juce_OpenGLContext.cpp
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@ -1607,6 +1607,11 @@ void OpenGLContext::copyTexture (const Rectangle<int>& targetClipArea,
auto bottom = (GLshort) targetClipArea.getBottom();
const GLshort vertices[] = { left, bottom, right, bottom, left, top, right, top };
GLint oldProgram{};
glGetIntegerv (GL_CURRENT_PROGRAM, &oldProgram);
const ScopeGuard bindPreviousProgram { [&] { extensions.glUseProgram ((GLuint) oldProgram); } };
auto& program = OverlayShaderProgram::select (*this);
program.params.set ((float) contextWidth, (float) contextHeight, anchorPosAndTextureSize.toFloat(), flippedVertically);