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Diffstat (limited to 'src/osd/modules/render/bgfx/shaders/chains/lcd-grid')
-rw-r--r--src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_lcd-grid.sc106
-rw-r--r--src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_persistence.sc16
-rw-r--r--src/osd/modules/render/bgfx/shaders/chains/lcd-grid/varying.def.sc6
-rw-r--r--src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_lcd-grid.sc19
-rw-r--r--src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_persistence.sc19
5 files changed, 166 insertions, 0 deletions
diff --git a/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_lcd-grid.sc b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_lcd-grid.sc
new file mode 100644
index 00000000000..801d1a2e9a4
--- /dev/null
+++ b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_lcd-grid.sc
@@ -0,0 +1,106 @@
+$input v_color0, v_texcoord0
+
+// license:GPL-2.0+
+// copyright-holders:cgwg
+
+#include "common.sh"
+
+SAMPLER2D(s_tex, 0);
+
+uniform vec4 u_tex_size0;
+uniform vec4 u_quad_dims;
+uniform vec4 u_rsubpix;
+uniform vec4 u_gsubpix;
+uniform vec4 u_bsubpix;
+uniform vec4 u_gain;
+uniform vec4 u_LCDgamma;
+uniform vec4 u_blacklevel;
+uniform vec4 u_ambient;
+uniform vec4 u_BGR;
+uniform vec4 u_monitorgamma;
+uniform vec4 u_subpixsize;
+
+vec3 fetch_offset(vec2 coord, vec2 offset)
+{
+ vec2 x = coord + offset;
+ vec3 col = texture2D(s_tex, x).rgb;
+ vec3 col2 = pow(vec3_splat(u_gain.x) * col + vec3_splat(u_blacklevel.x), vec3_splat(u_LCDgamma.x)) + vec3_splat(u_ambient.x);
+ // want zero for outside pixels
+ vec4 b = step(0.0,vec4(x.x,x.y,1.0-x.x,1.0-x.y));
+ return vec3_splat(b.x*b.y*b.z*b.w) * col2;
+}
+
+float intsmear_func(float z, float c1, float c2, float c3, float c4, float c5, float c6)
+{
+ float z2 = z*z;
+ // both cases have c0=1
+ return z * (1.0 + z2*(c1 + z2*(c2 + z2*(c3 + z2*(c4 + z2*(c5 + z2*c6))))));
+}
+
+float intsmear_fx(float z)
+{
+ // integral of (1 - x^2 - x^4 + x^6)^2
+ return intsmear_func(z, -2.0/3.0, -1.0/5.0, 4.0/7.0, -1.0/9.0, -2.0/11.0, 1.0/13.0);
+}
+
+float intsmear_fy(float z)
+{
+ // integral of (1 - 2x^4 + x^6)^2
+ return intsmear_func(z, 0.0, -4.0/5.0, 2.0/7.0, 4.0/9.0, -4.0/11.0, 1.0/13.0);
+}
+
+float intsmear_x(float x, float dx, float d)
+{
+ float zl = clamp((x-dx*0.5)/d,-1.0,1.0);
+ float zh = clamp((x+dx*0.5)/d,-1.0,1.0);
+ return d * ( intsmear_fx(zh) - intsmear_fx(zl) )/dx;
+}
+float intsmear_y(float x, float dx, float d)
+{
+ float zl = clamp((x-dx*0.5)/d,-1.0,1.0);
+ float zh = clamp((x+dx*0.5)/d,-1.0,1.0);
+ return d * ( intsmear_fy(zh) - intsmear_fy(zl) )/dx;
+}
+
+void main()
+{
+ vec3 cr = pow(u_rsubpix.rgb, vec3_splat(u_monitorgamma.x));
+ vec3 cg = pow(u_gsubpix.rgb, vec3_splat(u_monitorgamma.x));
+ vec3 cb = pow(u_bsubpix.rgb, vec3_splat(u_monitorgamma.x));
+
+ vec2 tl = v_texcoord0 * u_tex_size0.xy - vec2(0.5,0.5);
+ vec2 tli = floor(tl);
+ float subpix = fract(tl.x) * 3.0;
+ float rsubpix = u_tex_size0.x / u_quad_dims.x * 3.0;
+
+ vec3 lcol, rcol;
+ lcol = vec3(intsmear_x(subpix+1.0, rsubpix, 3.0*u_subpixsize.x),
+ intsmear_x(subpix , rsubpix, 3.0*u_subpixsize.x),
+ intsmear_x(subpix-1.0, rsubpix, 3.0*u_subpixsize.x));
+ rcol = vec3(intsmear_x(subpix-2.0, rsubpix, 3.0*u_subpixsize.x),
+ intsmear_x(subpix-3.0, rsubpix, 3.0*u_subpixsize.x),
+ intsmear_x(subpix-4.0, rsubpix, 3.0*u_subpixsize.x));
+
+ if (u_BGR.x > 0.5) {
+ lcol.rgb = lcol.bgr;
+ rcol.rgb = rcol.bgr;
+ }
+
+ float tcol, bcol;
+ subpix = fract(tl.y);
+ rsubpix = u_tex_size0.y / u_quad_dims.y;
+ tcol = intsmear_y(subpix ,rsubpix, u_subpixsize.y);
+ bcol = intsmear_y(subpix-1.0,rsubpix, u_subpixsize.y);
+
+ tl = (tli + vec2_splat(0.5)) / u_tex_size0.xy;
+ vec2 one = vec2_splat(1.0) / u_tex_size0.xy;
+
+ vec3 ul = fetch_offset(tl, vec2(0,0) ) * lcol * vec3_splat(tcol);
+ vec3 br = fetch_offset(tl, one ) * rcol * vec3_splat(bcol);
+ vec3 bl = fetch_offset(tl, vec2(0,one.y)) * lcol * vec3_splat(bcol);
+ vec3 ur = fetch_offset(tl, vec2(one.x,0)) * rcol * vec3_splat(tcol);
+
+ vec3 csum = ul + br + bl + ur;
+ vec3 col = mul(mtxFromCols(u_rsubpix.rgb, u_gsubpix.rgb, u_bsubpix.rgb), csum);
+ gl_FragColor = vec4(pow(col, vec3_splat(1.0/u_monitorgamma.x)), 1.0);
+}
diff --git a/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_persistence.sc b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_persistence.sc
new file mode 100644
index 00000000000..4c9e998d3ec
--- /dev/null
+++ b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/fs_persistence.sc
@@ -0,0 +1,16 @@
+$input v_color0, v_texcoord0
+
+#include "common.sh"
+
+SAMPLER2D(s_screen, 0);
+SAMPLER2D(s_motionblur, 1);
+
+uniform vec4 u_persistence;
+
+void main()
+{
+ vec4 screen = texture2D(s_screen , v_texcoord0);
+ vec4 motionblur = texture2D(s_motionblur, v_texcoord0);
+
+ gl_FragColor = mix(screen, motionblur, u_persistence.x);
+}
diff --git a/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/varying.def.sc b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/varying.def.sc
new file mode 100644
index 00000000000..2aa3cb425c0
--- /dev/null
+++ b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/varying.def.sc
@@ -0,0 +1,6 @@
+vec4 v_color0 : COLOR0 = vec4(1.0, 0.0, 0.0, 1.0);
+vec2 v_texcoord0 : TEXCOORD0 = vec2(0.0, 0.0);
+
+vec3 a_position : POSITION;
+vec4 a_color0 : COLOR0;
+vec2 a_texcoord0 : TEXCOORD0;
diff --git a/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_lcd-grid.sc b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_lcd-grid.sc
new file mode 100644
index 00000000000..df2b37f203c
--- /dev/null
+++ b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_lcd-grid.sc
@@ -0,0 +1,19 @@
+$input a_position, a_texcoord0, a_color0
+$output v_texcoord0, v_color0
+
+// license:BSD-3-Clause
+// copyright-holders:Dario Manesku
+
+#include "common.sh"
+
+uniform vec4 u_inv_view_dims;
+
+void main()
+{
+ gl_Position = mul(u_viewProj, vec4(a_position.xy, 0.0, 1.0));
+#if BGFX_SHADER_LANGUAGE_HLSL && BGFX_SHADER_LANGUAGE_HLSL <= 300
+ gl_Position.xy += u_inv_view_dims.xy * gl_Position.w;
+#endif
+ v_texcoord0 = a_texcoord0;
+ v_color0 = a_color0;
+}
diff --git a/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_persistence.sc b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_persistence.sc
new file mode 100644
index 00000000000..df2b37f203c
--- /dev/null
+++ b/src/osd/modules/render/bgfx/shaders/chains/lcd-grid/vs_persistence.sc
@@ -0,0 +1,19 @@
+$input a_position, a_texcoord0, a_color0
+$output v_texcoord0, v_color0
+
+// license:BSD-3-Clause
+// copyright-holders:Dario Manesku
+
+#include "common.sh"
+
+uniform vec4 u_inv_view_dims;
+
+void main()
+{
+ gl_Position = mul(u_viewProj, vec4(a_position.xy, 0.0, 1.0));
+#if BGFX_SHADER_LANGUAGE_HLSL && BGFX_SHADER_LANGUAGE_HLSL <= 300
+ gl_Position.xy += u_inv_view_dims.xy * gl_Position.w;
+#endif
+ v_texcoord0 = a_texcoord0;
+ v_color0 = a_color0;
+}