Add vertex shader which flips the texture upside down while blitting it. Add argument to qemu_gl_run_texture_blit() to enable flipping. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20171010135453.6704-4-kraxel@redhat.com
		
			
				
	
	
		
			11 lines
		
	
	
		
			204 B
		
	
	
	
		
			GLSL
		
	
	
	
	
	
			
		
		
	
	
			11 lines
		
	
	
		
			204 B
		
	
	
	
		
			GLSL
		
	
	
	
	
	
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#version 300 es
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in vec2  in_position;
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out vec2 ex_tex_coord;
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void main(void) {
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    gl_Position = vec4(in_position, 0.0, 1.0);
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    ex_tex_coord = vec2(1.0 + in_position.x, 1.0 + in_position.y) * 0.5;
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}
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