2021-10-21 08:45:27 +00:00
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#ifndef PS_SCALE_FACTOR
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#define PS_SCALE_FACTOR 1
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#endif
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#ifdef VERTEX_SHADER
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layout(location = 0) in vec4 a_pos;
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layout(location = 1) in vec2 a_tex;
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layout(location = 2) in vec4 a_color;
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layout(location = 0) out vec2 v_tex;
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layout(location = 1) out vec4 v_color;
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void main()
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{
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gl_Position = vec4(a_pos.x, -a_pos.y, a_pos.z, a_pos.w);
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v_tex = a_tex;
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v_color = a_color;
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}
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#endif
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#ifdef FRAGMENT_SHADER
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layout(location = 0) in vec2 v_tex;
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layout(location = 1) in vec4 v_color;
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#if defined(ps_convert_rgba8_16bits) || defined(ps_convert_float32_32bits)
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layout(location = 0) out uint o_col0;
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#else
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layout(location = 0) out vec4 o_col0;
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#endif
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layout(set = 0, binding = 0) uniform sampler2D samp0;
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vec4 sample_c(vec2 uv)
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{
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return texture(samp0, uv);
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}
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vec4 ps_crt(uint i)
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{
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vec4 mask[4] = vec4[4]
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(
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vec4(1, 0, 0, 0),
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vec4(0, 1, 0, 0),
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vec4(0, 0, 1, 0),
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vec4(1, 1, 1, 0)
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);
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return sample_c(v_tex) * clamp((mask[i] + 0.5f), 0.0f, 1.0f);
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}
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vec4 ps_scanlines(uint i)
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{
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vec4 mask[2] =
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{
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vec4(1, 1, 1, 0),
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vec4(0, 0, 0, 0)
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};
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return sample_c(v_tex) * clamp((mask[i] + 0.5f), 0.0f, 1.0f);
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}
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#ifdef ps_copy
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void ps_copy()
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{
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o_col0 = sample_c(v_tex);
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}
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#endif
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2022-02-03 11:40:03 +00:00
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#ifdef ps_depth_copy
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void ps_depth_copy()
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{
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gl_FragDepth = sample_c(v_tex).r;
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}
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#endif
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2021-10-21 08:45:27 +00:00
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#ifdef ps_filter_transparency
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void ps_filter_transparency()
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{
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vec4 c = sample_c(v_tex);
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c.a = dot(c.rgb, vec3(0.299, 0.587, 0.114));
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o_col0 = c;
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}
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#endif
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#ifdef ps_convert_rgba8_16bits
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2022-02-11 21:01:27 +00:00
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// Need to be careful with precision here, it can break games like Spider-Man 3 and Dogs Life
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2021-10-21 08:45:27 +00:00
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void ps_convert_rgba8_16bits()
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{
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2022-02-20 05:08:03 +00:00
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uvec4 i = uvec4(sample_c(v_tex) * vec4(255.5f, 255.5f, 255.5f, 255.5f));
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2021-10-21 08:45:27 +00:00
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2022-02-11 21:01:27 +00:00
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o_col0 = ((i.x & 0x00F8u) >> 3) | ((i.y & 0x00F8u) << 2) | ((i.z & 0x00f8u) << 7) | ((i.w & 0x80u) << 8);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_datm1
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void ps_datm1()
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{
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o_col0 = vec4(0, 0, 0, 0);
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if(sample_c(v_tex).a < (127.5f / 255.0f)) // >= 0x80 pass
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discard;
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}
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#endif
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#ifdef ps_datm0
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void ps_datm0()
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{
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o_col0 = vec4(0, 0, 0, 0);
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if((127.5f / 255.0f) < sample_c(v_tex).a) // < 0x80 pass (== 0x80 should not pass)
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discard;
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}
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#endif
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#ifdef ps_mod256
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void ps_mod256()
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{
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vec4 c = roundEven(sample_c(v_tex) * 255);
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// We use 2 fmod to avoid negative value.
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vec4 fmod1 = mod(c, 256) + 256;
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vec4 fmod2 = mod(fmod1, 256);
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o_col0 = fmod2 / 255.0f;
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}
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#endif
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#ifdef ps_filter_scanlines
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void ps_filter_scanlines() // scanlines
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{
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uvec4 p = uvec4(gl_FragCoord);
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o_col0 = ps_scanlines(p.y % 2);
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}
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#endif
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#ifdef ps_filter_diagonal
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void ps_filter_diagonal() // diagonal
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{
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uvec4 p = uvec4(gl_FragCoord);
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o_col0 = ps_crt((p.x + (p.y % 3)) % 3);
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}
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#endif
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#ifdef ps_filter_triangular
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void ps_filter_triangular() // triangular
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{
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uvec4 p = uvec4(gl_FragCoord);
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// output.c = ps_crt(input, ((p.x + (p.y & 1) * 3) >> 1) % 3);
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o_col0 = ps_crt(((p.x + ((p.y >> 1) & 1) * 3) >> 1) % 3);
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}
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#endif
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#ifdef ps_filter_complex
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void ps_filter_complex() // triangular
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{
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const float PI = 3.14159265359f;
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vec2 texdim = vec2(textureSize(samp0, 0));
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if (dFdy(v_tex.y) * texdim.y > 0.5)
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o_col0 = sample_c(v_tex);
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else
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o_col0 = (0.9 - 0.4 * cos(2 * PI * v_tex.y * texdim.y)) * sample_c(vec2(v_tex.x, (floor(v_tex.y * texdim.y) + 0.5) / texdim.y));
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}
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#endif
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#ifdef ps_convert_float32_32bits
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void ps_convert_float32_32bits()
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{
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// Convert a vec32 depth texture into a 32 bits UINT texture
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o_col0 = uint(exp2(32.0f) * sample_c(v_tex).r);
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}
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#endif
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#ifdef ps_convert_float32_rgba8
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void ps_convert_float32_rgba8()
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{
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// Convert a vec32 depth texture into a RGBA color texture
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2022-02-12 04:50:35 +00:00
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uint d = uint(sample_c(v_tex).r * exp2(32.0f));
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o_col0 = vec4(uvec4((d & 0xFFu), ((d >> 8) & 0xFFu), ((d >> 16) & 0xFFu), (d >> 24))) / vec4(255.0);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_convert_float16_rgb5a1
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void ps_convert_float16_rgb5a1()
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{
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// Convert a vec32 (only 16 lsb) depth into a RGB5A1 color texture
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2022-02-12 04:50:35 +00:00
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uint d = uint(sample_c(v_tex).r * exp2(32.0f));
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o_col0 = vec4(uvec4((d & 0x1Fu), ((d >> 5) & 0x1Fu), ((d >> 10) & 0x1Fu), (d >> 15) & 0x01u)) / vec4(32.0f, 32.0f, 32.0f, 1.0f);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_convert_rgba8_float32
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void ps_convert_rgba8_float32()
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{
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// Convert a RRGBA texture into a float depth texture
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2022-02-12 04:50:35 +00:00
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uvec4 c = uvec4(sample_c(v_tex) * vec4(255.0f) + vec4(0.5f));
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gl_FragDepth = float(c.r | (c.g << 8) | (c.b << 16) | (c.a << 24)) * exp2(-32.0f);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_convert_rgba8_float24
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void ps_convert_rgba8_float24()
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{
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// Same as above but without the alpha channel (24 bits Z)
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// Convert a RRGBA texture into a float depth texture
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2022-02-12 04:50:35 +00:00
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uvec3 c = uvec3(sample_c(v_tex).rgb * vec3(255.0f) + vec3(0.5f));
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gl_FragDepth = float(c.r | (c.g << 8) | (c.b << 16)) * exp2(-32.0f);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_convert_rgba8_float16
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void ps_convert_rgba8_float16()
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{
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// Same as above but without the A/B channels (16 bits Z)
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// Convert a RRGBA texture into a float depth texture
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2022-02-12 04:50:35 +00:00
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uvec2 c = uvec2(sample_c(v_tex).rg * vec2(255.0f) + vec2(0.5f));
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gl_FragDepth = float(c.r | (c.g << 8)) * exp2(-32.0f);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_convert_rgb5a1_float16
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void ps_convert_rgb5a1_float16()
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{
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// Convert a RGB5A1 (saved as RGBA8) color to a 16 bit Z
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2022-02-12 04:50:35 +00:00
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uvec4 c = uvec4(sample_c(v_tex) * vec4(255.0f) + vec4(0.5f));
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gl_FragDepth = float(((c.r & 0xF8u) >> 3) | ((c.g & 0xF8u) << 2) | ((c.b & 0xF8u) << 7) | ((c.a & 0x80u) << 8)) * exp2(-32.0f);
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2021-10-21 08:45:27 +00:00
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}
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#endif
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#ifdef ps_convert_rgba_8i
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void ps_convert_rgba_8i()
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{
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// Potential speed optimization. There is a high probability that
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// game only want to extract a single channel (blue). It will allow
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// to remove most of the conditional operation and yield a +2/3 fps
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// boost on MGS3
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//
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// Hypothesis wrong in Prince of Persia ... Seriously WTF !
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//#define ONLY_BLUE;
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// Convert a RGBA texture into a 8 bits packed texture
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// Input column: 8x2 RGBA pixels
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// 0: 8 RGBA
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// 1: 8 RGBA
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// Output column: 16x4 Index pixels
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// 0: 8 R | 8 B
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// 1: 8 R | 8 B
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// 2: 8 G | 8 A
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// 3: 8 G | 8 A
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float c;
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uvec2 sel = uvec2(gl_FragCoord.xy) % uvec2(16u, 16u);
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ivec2 tb = ((ivec2(gl_FragCoord.xy) & ~ivec2(15, 3)) >> 1);
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int ty = tb.y | (int(gl_FragCoord.y) & 1);
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int txN = tb.x | (int(gl_FragCoord.x) & 7);
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int txH = tb.x | ((int(gl_FragCoord.x) + 4) & 7);
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txN *= PS_SCALE_FACTOR;
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txH *= PS_SCALE_FACTOR;
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ty *= PS_SCALE_FACTOR;
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// TODO investigate texture gather
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vec4 cN = texelFetch(samp0, ivec2(txN, ty), 0);
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vec4 cH = texelFetch(samp0, ivec2(txH, ty), 0);
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if ((sel.y & 4u) == 0u)
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{
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#ifdef ONLY_BLUE
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c = cN.b;
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#else
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// Column 0 and 2
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if ((sel.y & 3u) < 2u)
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{
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// First 2 lines of the col
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if (sel.x < 8u)
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c = cN.r;
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else
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c = cN.b;
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}
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else
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{
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if (sel.x < 8u)
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c = cH.g;
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else
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c = cH.a;
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}
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#endif
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}
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else
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{
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#ifdef ONLY_BLUE
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c = cH.b;
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#else
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// Column 1 and 3
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if ((sel.y & 3u) < 2u)
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{
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// First 2 lines of the col
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if (sel.x < 8u)
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c = cH.r;
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else
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c = cH.b;
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}
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else
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{
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if (sel.x < 8u)
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c = cN.g;
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else
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c = cN.a;
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}
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#endif
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}
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o_col0 = vec4(c); // Divide by something here?
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}
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#endif
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#ifdef ps_yuv
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layout(push_constant) uniform cb10
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{
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int EMODA;
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int EMODC;
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};
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void ps_yuv()
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{
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vec4 i = sample_c(v_tex);
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vec4 o;
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mat3 rgb2yuv;
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rgb2yuv[0] = vec3(0.587, -0.311, -0.419);
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rgb2yuv[1] = vec3(0.114, 0.500, -0.081);
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rgb2yuv[2] = vec3(0.299, -0.169, 0.500);
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vec3 yuv = rgb2yuv * i.gbr;
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float Y = float(0xDB)/255.0f * yuv.x + float(0x10)/255.0f;
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float Cr = float(0xE0)/255.0f * yuv.y + float(0x80)/255.0f;
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float Cb = float(0xE0)/255.0f * yuv.z + float(0x80)/255.0f;
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switch(EMODA) {
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case 0:
|
|
|
|
o.a = i.a;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
o.a = Y;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
o.a = Y/2.0f;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
o.a = 0.0f;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch(EMODC) {
|
|
|
|
case 0:
|
|
|
|
o.rgb = i.rgb;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
o.rgb = vec3(Y);
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
o.rgb = vec3(Y, Cb, Cr);
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
o.rgb = vec3(i.a);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
o_col0 = o;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if defined(ps_stencil_image_init_0) || defined(ps_stencil_image_init_1)
|
|
|
|
|
|
|
|
void main()
|
|
|
|
{
|
|
|
|
o_col0 = vec4(0x7FFFFFFF);
|
|
|
|
|
|
|
|
#ifdef ps_stencil_image_init_0
|
|
|
|
if((127.5f / 255.0f) < sample_c(v_tex).a) // < 0x80 pass (== 0x80 should not pass)
|
|
|
|
o_col0 = vec4(-1);
|
|
|
|
#endif
|
|
|
|
#ifdef ps_stencil_image_init_1
|
|
|
|
if(sample_c(v_tex).a < (127.5f / 255.0f)) // >= 0x80 pass
|
|
|
|
o_col0 = vec4(-1);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#endif
|