1$input a_position, a_texcoord0
2$output v_position, v_texcoord0
3
4#include "../common.sh"
5
6#define NEED_HALF_TEXEL (BGFX_SHADER_LANGUAGE_HLSL < 4)
7
8uniform vec4 u_viewSize;
9
10#if NEED_HALF_TEXEL
11uniform vec4 u_halfTexel;
12#endif // NEED_HALF_TEXEL
13
14void main()
15{
16#if !NEED_HALF_TEXEL
17	const vec4 u_halfTexel = vec4_splat(0.0);
18#endif // !NEED_HALF_TEXEL
19
20	v_position  = a_position;
21	v_texcoord0 = a_texcoord0+u_halfTexel.xy;
22	gl_Position = vec4(2.0*v_position.x/u_viewSize.x - 1.0, 1.0 - 2.0*v_position.y/u_viewSize.y, 0.0, 1.0);
23}
24