summaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
-rw-r--r--bgfx/chains/hlsl.json69
-rw-r--r--bgfx/effects/hlsl/distortion.json23
-rw-r--r--bgfx/shaders/dx11/chains/hlsl/fs_distortion.binbin3690 -> 3634 bytes
-rw-r--r--bgfx/shaders/dx9/chains/hlsl/fs_distortion.binbin2735 -> 2843 bytes
-rw-r--r--bgfx/shaders/gles/chains/hlsl/fs_distortion.binbin5408 -> 4939 bytes
-rw-r--r--bgfx/shaders/glsl/chains/hlsl/fs_distortion.binbin5164 -> 4707 bytes
-rw-r--r--bgfx/shaders/metal/chains/hlsl/fs_distortion.binbin5764 -> 5260 bytes
-rw-r--r--hlsl/distortion.fx8
-rw-r--r--src/osd/modules/render/bgfx/chainentry.cpp15
-rw-r--r--src/osd/modules/render/bgfx/chainentry.h1
-rw-r--r--src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_distortion.sc82
11 files changed, 108 insertions, 90 deletions
diff --git a/bgfx/chains/hlsl.json b/bgfx/chains/hlsl.json
index 985a332ed9d..2b730966a47 100644
--- a/bgfx/chains/hlsl.json
+++ b/bgfx/chains/hlsl.json
@@ -9,11 +9,11 @@
// name (unused): This value should contain a suitable name for the screen chain. It is not read by MAME, though it is still suggested that it be put in any user-made chains.
// type: string
"name": "Classic D3D HLSL CRT Simulation",
-
+
// author (unused): This value should contain a suitable name for this chain's author. Again, it is not read by MAME, but it is still advisable to have.
// type: string
"author": "Ryan Holtz & ImJezze",
-
+
// sliders (optional): The list of sliders used by all of the entries in this chain. Can be omitted if no entries use any sliders.
"sliders": [
// type (required): The sliders's conceptual type. Is it a list of string selections? Is it a single floating-point value? Does it require RGB values, or XY values?
@@ -54,7 +54,7 @@
//
// strings (optional): A list of strings to use with the "intenum" type, to select from a list of text options instead of simply numbers.
// value: An array of 2 or more entries, with one entry per possible slider setting from "min" to "max" inclusive.
-
+
{ "type": "intenum", "name": "adjustments", "text": "Enable Adjustments", "default": 0, "max": 1, "min": 0, "step": 1, "scale": 1.0, "format": "%s", "screen": "any", "strings": [ "Off", "On" ] },
{ "type": "intenum", "name": "ntsc", "text": "Enable NTSC", "default": 0, "max": 1, "min": 0, "step": 1, "scale": 1.0, "format": "%s", "screen": "any", "strings": [ "Off", "On" ] },
@@ -80,7 +80,7 @@
{ "type": "vec2", "name": "converge_red", "text": "Red Convergence, ", "default": [ 5, 0 ], "max": [ 8000, 6000 ], "min": [ -8000, -6000 ], "step": 1, "scale": 0.1, "format": "%3.1f", "screen": "raster" },
{ "type": "vec2", "name": "converge_green", "text": "Green Convergence, ", "default": [ 0, 5 ], "max": [ 8000, 6000 ], "min": [ -8000, -6000 ], "step": 1, "scale": 0.1, "format": "%3.1f", "screen": "raster" },
{ "type": "vec2", "name": "converge_blue", "text": "Blue Convergence, ", "default": [ 0, 0 ], "max": [ 8000, 6000 ], "min": [ -8000, -6000 ], "step": 1, "scale": 0.1, "format": "%3.1f", "screen": "raster" },
-
+
{ "type": "vec2", "name": "radial_converge_red", "text": "Red Radial Convergence, ", "default": [ 0, 0 ], "max": [ 8000, 6000 ], "min": [ -8000, -6000 ], "step": 1, "scale": 0.1, "format": "%3.1f", "screen": "raster" },
{ "type": "vec2", "name": "radial_converge_green", "text": "Green Radial Convergence, ", "default": [ 0, 0 ], "max": [ 8000, 6000 ], "min": [ -8000, -6000 ], "step": 1, "scale": 0.1, "format": "%3.1f", "screen": "raster" },
{ "type": "vec2", "name": "radial_converge_blue", "text": "Blue Radial Convergence, ", "default": [ 0, 0 ], "max": [ 8000, 6000 ], "min": [ -8000, -6000 ], "step": 1, "scale": 0.1, "format": "%3.1f", "screen": "raster" },
@@ -96,22 +96,27 @@
{ "type": "float", "name": "scanline_jitter_amount", "text": "Scanline Jitter Amount", "default": 0, "max": 400, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
{ "type": "float", "name": "scanline_height", "text": "Individual Scanline Scale", "default": 100, "max": 400, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
{ "type": "float", "name": "scanline_variation", "text": "Scanline Variation", "default": 100, "max": 400, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+
{ "type": "float", "name": "shadow_alpha", "text": "Shadow Mask Amount", "default": 20, "max": 100, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
{ "type": "vec2", "name": "shadow_uv_count", "text": "Shadow Mask Pixel Count ", "default": [ 12, 12 ], "max": [ 128, 128 ], "min": [ 1, 1 ], "step": 1, "scale": 1.0, "format": "%3f", "screen": "crt" },
{ "type": "vec2", "name": "shadow_uv_size", "text": "Shadow Mask UV Size ", "default": [ 500, 500 ], "max": [ 1000, 1000 ], "min": [ 0, 0 ], "step": 1, "scale": 0.001, "format": "%1.4f", "screen": "crt" },
{ "type": "vec2", "name": "shadow_uv_offset", "text": "Shadow Mask UV Offset ", "default": [ 0, 0 ], "max": [ 1000, 1000 ], "min": [ 0, 0 ], "step": 1, "scale": 0.001, "format": "%1.4f", "screen": "crt" },
+
{ "type": "float", "name": "humbar_alpha", "text": "Hum Bar Amount", "default": 5, "max": 100, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
{ "type": "float", "name": "humbar_hertz_rate", "text": "Hum Bar Frequency", "default": 100, "max": 10000, "min": 0, "step": 1, "scale": 0.00001, "format": "%1.7f", "screen": "crt" },
+
{ "type": "color", "name": "floor", "text": "Signal Floor, ", "default": [ 5, 5, 5 ], "max": [ 100, 100, 100 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
{ "type": "color", "name": "power", "text": "Signal Exponent, ", "default": [ 80, 80, 80 ], "max": [ 400, 400, 400 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
-
- { "type": "float", "name": "curvature", "text": "Screen Curvature Amount", "default": 20, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
- { "type": "float", "name": "round_corner", "text": "Rounded Corner Amount", "default": 15, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
- { "type": "float", "name": "smooth_border", "text": "Smooth Border Amount", "default": 5, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
- { "type": "float", "name": "vignetting", "text": "Vignetting Amount", "default": 20, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
- { "type": "float", "name": "reflection", "text": "Reflection Amount", "default": 15, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" }
+
+ { "type": "float", "name": "distortion", "text": "Screen Distortion Amount", "default": 20, "max": 200, "min": -200, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+ { "type": "float", "name": "cubic_distortion", "text": "Screen Cubic Distortion Amount", "default": 0, "max": 200, "min": -200, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+ { "type": "float", "name": "distort_corner", "text": "Distorted Corner Amount", "default": 20, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+ { "type": "float", "name": "round_corner", "text": "Rounded Corner Amount", "default": 15, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+ { "type": "float", "name": "smooth_border", "text": "Smooth Border Amount", "default": 5, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+ { "type": "float", "name": "vignetting", "text": "Vignetting Amount", "default": 20, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
+ { "type": "float", "name": "reflection", "text": "Reflection Amount", "default": 15, "max": 200, "min": 0, "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" }
],
-
+
// parameters (optional): A list of procedurally-generated parameters that can be bound to entry uniforms.
"parameters": [
// name (required): The internal name of the parameter that will be used when binding to an entry uniform.
@@ -128,11 +133,11 @@
//
// limit (required by type "time"): The range of time across which to loop. 0.0 means run indefinitely.
// value: Any numeric value.
-
+
{ "name": "jitter", "type": "frame", "period": 2 },
{ "name": "time", "type": "time", "limit": 0.0 }
],
-
+
// targets (optional): A list of all render targets that will be used by the chain entries in this chain.
"targets": [
// name (required): The name of the target. Will be used to bind it as a texture and as an output in chain entries.
@@ -177,7 +182,7 @@
"doublebuffer": true
}
],
-
+
// passes (required): The list of individual shaders to invoke, and any dynamic input parameters they need.
"passes": [
{
@@ -194,7 +199,7 @@
// clearcolor (optional): An array containing an RGBA quadruplet to which to clear the output target.
// value: An array of four numeric values of the range 0.0 to 1.0.
"clearcolor": [ 0.0, 0.0, 0.0, 0.0 ],
-
+
// cleardepth (optional): A numeric value containing the depth value to which to clear the output target.
// value: Any numeric value.
"cleardepth": 1.0,
@@ -231,7 +236,7 @@
{ "type": "slider", "condition": "equal", "combine": "or", "name": "adjustments", "value": 0 },
{ "type": "slider", "condition": "equal", "combine": "or", "name": "ntsc", "value": 0 }
],
-
+
// uniforms (optional): Non-sampler uniform bindings for this chain entry.
"uniforms": [
// uniform (required): The name of the uniform, as it is referenced in the shader source code itself.
@@ -247,7 +252,7 @@
//
// value (optional): An array of numeric values that should be loaded into this uniform.
// values: Should be an array containing anywhere from 1-16 numeric values, corresponding to the size of the uniform's type.
-
+
{ "uniform": "u_a_value", "slider": "a_value" },
{ "uniform": "u_b_value", "slider": "b_value" },
{ "uniform": "u_cc_value", "slider": "cc_value" },
@@ -256,7 +261,7 @@
{ "uniform": "u_jitter_offset", "slider": "jitter_offset" },
{ "uniform": "u_jitter_amount", "parameter": "jitter" }
],
-
+
// inputs (optional): A list of samplers used by this entry, and their corresponding bindings.
"input": [
// sampler (required): The name of the sampler, as it is referenced in the shader source code itself.
@@ -278,7 +283,7 @@
// default: true
{ "sampler": "s_tex", "texture": "screen" }
],
-
+
// output (required): The target to use as the output for this pass. Can be one of the named targets in "targets", or "output"
// or "previous" for one of two automatically-generated targets.
// value: Any valid ASCII string that names a target.
@@ -468,19 +473,23 @@
{ "effect": "hlsl/distortion",
"name": "Distortion Pass",
"disablewhen": [
- { "type": "slider", "condition": "equal", "combine": "or", "name": "adjustments", "value": 0 },
- { "type": "slider", "condition": "equal", "combine": "and", "name": "curvature", "value": 0.0 },
- { "type": "slider", "condition": "equal", "combine": "and", "name": "round_corner", "value": 0.0 },
- { "type": "slider", "condition": "equal", "combine": "and", "name": "smooth_border", "value": 0.0 },
- { "type": "slider", "condition": "equal", "combine": "and", "name": "vignetting", "value": 0.0 },
- { "type": "slider", "condition": "equal", "combine": "and", "name": "reflection", "value": 0.0 }
+ { "type": "slider", "condition": "equal", "combine": "or", "name": "adjustments", "value": 0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "distortion", "value": 0.0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "cubic_distortion", "value": 0.0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "distort_corner", "value": 0.0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "round_corner", "value": 0.0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "smooth_border", "value": 0.0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "vignetting", "value": 0.0 },
+ { "type": "slider", "condition": "equal", "combine": "and", "name": "reflection", "value": 0.0 }
],
"uniforms": [
- { "uniform": "u_curvature", "slider": "curvature" },
- { "uniform": "u_round_corner", "slider": "round_corner" },
- { "uniform": "u_smooth_border", "slider": "smooth_border" },
- { "uniform": "u_vignetting", "slider": "vignetting" },
- { "uniform": "u_reflection", "slider": "reflection" }
+ { "uniform": "u_distortion", "slider": "distortion" },
+ { "uniform": "u_cubic_distortion", "slider": "cubic_distortion" },
+ { "uniform": "u_distort_corner", "slider": "distort_corner" },
+ { "uniform": "u_round_corner", "slider": "round_corner" },
+ { "uniform": "u_smooth_border", "slider": "smooth_border" },
+ { "uniform": "u_vignetting", "slider": "vignetting" },
+ { "uniform": "u_reflection", "slider": "reflection" }
],
"input": [
{ "sampler": "s_tex", "target": "internal" }
diff --git a/bgfx/effects/hlsl/distortion.json b/bgfx/effects/hlsl/distortion.json
index 42a43d95c65..14a7b79891a 100644
--- a/bgfx/effects/hlsl/distortion.json
+++ b/bgfx/effects/hlsl/distortion.json
@@ -25,16 +25,17 @@
"vertex": "chains/hlsl/vs_distortion",
"fragment": "chains/hlsl/fs_distortion",
"uniforms": [
- { "name": "s_tex", "type": "int", "values": [ 0.0 ] },
- { "name": "u_swap_xy", "type": "vec4", "values": [ 0.0, 0.0, 0.0, 0.0 ] },
- { "name": "u_screen_dims", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] },
- { "name": "u_quad_dims", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] },
- { "name": "u_rotation_type", "type": "vec4", "values": [ 0.0, 0.0, 0.0, 0.0 ] },
- { "name": "u_prepare_vector", "type": "vec4", "values": [ 0.0, 0.0, 0.0, 0.0 ] },
- { "name": "u_curvature", "type": "vec4", "values": [ 0.25, 0.0, 0.0, 0.0 ] },
- { "name": "u_round_corner", "type": "vec4", "values": [ 0.2, 0.0, 0.0, 0.0 ] },
- { "name": "u_smooth_border", "type": "vec4", "values": [ 0.05, 0.0, 0.0, 0.0 ] },
- { "name": "u_vignetting", "type": "vec4", "values": [ 0.20, 0.0, 0.0, 0.0 ] },
- { "name": "u_reflection", "type": "vec4", "values": [ 0.30, 0.0, 0.0, 0.0 ] }
+ { "name": "s_tex", "type": "int", "values": [ 0.0 ] },
+ { "name": "u_swap_xy", "type": "vec4", "values": [ 0.0, 0.0, 0.0, 0.0 ] },
+ { "name": "u_screen_dims", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] },
+ { "name": "u_target_dims", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] },
+ { "name": "u_quad_dims", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] },
+ { "name": "u_distortion", "type": "vec4", "values": [ 0.20, 0.0, 0.0, 0.0 ] },
+ { "name": "u_cubic_distortion", "type": "vec4", "values": [ 0.20, 0.0, 0.0, 0.0 ] },
+ { "name": "u_distort_corner", "type": "vec4", "values": [ 0.20, 0.0, 0.0, 0.0 ] },
+ { "name": "u_round_corner", "type": "vec4", "values": [ 0.20, 0.0, 0.0, 0.0 ] },
+ { "name": "u_smooth_border", "type": "vec4", "values": [ 0.05, 0.0, 0.0, 0.0 ] },
+ { "name": "u_vignetting", "type": "vec4", "values": [ 0.20, 0.0, 0.0, 0.0 ] },
+ { "name": "u_reflection", "type": "vec4", "values": [ 0.30, 0.0, 0.0, 0.0 ] }
]
} \ No newline at end of file
diff --git a/bgfx/shaders/dx11/chains/hlsl/fs_distortion.bin b/bgfx/shaders/dx11/chains/hlsl/fs_distortion.bin
index d5f7f3b16e2..2e2b1813c8a 100644
--- a/bgfx/shaders/dx11/chains/hlsl/fs_distortion.bin
+++ b/bgfx/shaders/dx11/chains/hlsl/fs_distortion.bin
Binary files differ
diff --git a/bgfx/shaders/dx9/chains/hlsl/fs_distortion.bin b/bgfx/shaders/dx9/chains/hlsl/fs_distortion.bin
index 8ee4383d303..b12b9d953cf 100644
--- a/bgfx/shaders/dx9/chains/hlsl/fs_distortion.bin
+++ b/bgfx/shaders/dx9/chains/hlsl/fs_distortion.bin
Binary files differ
diff --git a/bgfx/shaders/gles/chains/hlsl/fs_distortion.bin b/bgfx/shaders/gles/chains/hlsl/fs_distortion.bin
index b3066b53170..189ca2e97f5 100644
--- a/bgfx/shaders/gles/chains/hlsl/fs_distortion.bin
+++ b/bgfx/shaders/gles/chains/hlsl/fs_distortion.bin
Binary files differ
diff --git a/bgfx/shaders/glsl/chains/hlsl/fs_distortion.bin b/bgfx/shaders/glsl/chains/hlsl/fs_distortion.bin
index b69a3712bb9..a4d54c9c932 100644
--- a/bgfx/shaders/glsl/chains/hlsl/fs_distortion.bin
+++ b/bgfx/shaders/glsl/chains/hlsl/fs_distortion.bin
Binary files differ
diff --git a/bgfx/shaders/metal/chains/hlsl/fs_distortion.bin b/bgfx/shaders/metal/chains/hlsl/fs_distortion.bin
index 512262b52a7..22a66b575d2 100644
--- a/bgfx/shaders/metal/chains/hlsl/fs_distortion.bin
+++ b/bgfx/shaders/metal/chains/hlsl/fs_distortion.bin
Binary files differ
diff --git a/hlsl/distortion.fx b/hlsl/distortion.fx
index f683397b17a..bd78efde8c5 100644
--- a/hlsl/distortion.fx
+++ b/hlsl/distortion.fx
@@ -212,7 +212,7 @@ float2 GetDistortedCoords(float2 centerCoord, float amount, float amountCube)
: 1.0f + r2 * (k + kcube * sqrt(r2));
// fit screen bounds
- f /= 1.0f + amount * 0.25 + amountCube * 0.125f;
+ f /= 1.0f + amount * 0.25f + amountCube * 0.125f;
// apply cubic distortion factor
centerCoord *= f;
@@ -237,9 +237,9 @@ float2 GetCoords(float2 coord, float distortionAmount, float cubicDistortionAmou
float4 ps_main(PS_INPUT Input) : COLOR
{
float distortionAmount = DistortionAmount;
- float cubicDistortionAmount = CubicDistortionAmount > 0
- ? CubicDistortionAmount * 1.1 // cubic distortion need to be a little higher to compensate the quartic distortion
- : CubicDistortionAmount * 1.2; // negativ values even more
+ float cubicDistortionAmount = CubicDistortionAmount > 0.0f
+ ? CubicDistortionAmount * 1.1f // cubic distortion need to be a little higher to compensate the quartic distortion
+ : CubicDistortionAmount * 1.2f; // negativ values even more
float2 TexelDims = 1.0f / TargetDims;
diff --git a/src/osd/modules/render/bgfx/chainentry.cpp b/src/osd/modules/render/bgfx/chainentry.cpp
index c30139e17c4..156bc435f09 100644
--- a/src/osd/modules/render/bgfx/chainentry.cpp
+++ b/src/osd/modules/render/bgfx/chainentry.cpp
@@ -122,6 +122,20 @@ void bgfx_chain_entry::setup_sourcesize_uniform(render_primitive* prim) const
}
}
+void bgfx_chain_entry::setup_targetsize_uniform(int32_t screen) const
+{
+ bgfx_uniform* target_dims = m_effect->uniform("u_target_dims");
+ if (target_dims != nullptr)
+ {
+ bgfx_target* output = m_targets.target(screen, m_output);
+ if (output != nullptr)
+ {
+ float values[2] = { float(output->width()), float(output->height()) };
+ target_dims->set(values, sizeof(float) * 2);
+ }
+ }
+}
+
void bgfx_chain_entry::setup_rotationtype_uniform(uint32_t rotation_type) const
{
bgfx_uniform* rotation_type_uniform = m_effect->uniform("u_rotation_type");
@@ -166,6 +180,7 @@ void bgfx_chain_entry::setup_auto_uniforms(render_primitive* prim, texture_manag
{
setup_screensize_uniforms(textures, screen_width, screen_height, screen);
setup_sourcesize_uniform(prim);
+ setup_targetsize_uniform(screen);
setup_rotationtype_uniform(rotation_type);
setup_swapxy_uniform(swap_xy);
setup_quaddims_uniform(prim);
diff --git a/src/osd/modules/render/bgfx/chainentry.h b/src/osd/modules/render/bgfx/chainentry.h
index eb102aaa059..e9e5112bf1b 100644
--- a/src/osd/modules/render/bgfx/chainentry.h
+++ b/src/osd/modules/render/bgfx/chainentry.h
@@ -47,6 +47,7 @@ private:
void setup_auto_uniforms(render_primitive* prim, texture_manager& textures, uint16_t screen_width, uint16_t screen_height, uint32_t rotation_type, bool swap_xy, int32_t screen);
void setup_screensize_uniforms(texture_manager& textures, uint16_t screen_width, uint16_t screen_height, int32_t screen);
void setup_sourcesize_uniform(render_primitive* prim) const;
+ void setup_targetsize_uniform(int32_t screen) const;
void setup_rotationtype_uniform(uint32_t rotation_type) const;
void setup_swapxy_uniform(bool swap_xy) const;
void setup_quaddims_uniform(render_primitive* prim) const;
diff --git a/src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_distortion.sc b/src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_distortion.sc
index 1547324f894..d7e1acf8494 100644
--- a/src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_distortion.sc
+++ b/src/osd/modules/render/bgfx/shaders/chains/hlsl/fs_distortion.sc
@@ -11,12 +11,13 @@ $input v_color0, v_texcoord0
// Autos
uniform vec4 u_swap_xy;
uniform vec4 u_screen_dims;
+uniform vec4 u_target_dims;
uniform vec4 u_quad_dims;
-uniform vec4 u_rotation_type;
// User-supplied
-uniform vec4 u_prepare_vector;
-uniform vec4 u_curvature;
+uniform vec4 u_distortion;
+uniform vec4 u_cubic_distortion;
+uniform vec4 u_distort_corner;
uniform vec4 u_round_corner;
uniform vec4 u_smooth_border;
uniform vec4 u_vignetting;
@@ -72,36 +73,15 @@ float GetVignetteFactor(vec2 coord, float amount)
float GetSpotAddend(vec2 coord, float amount)
{
vec2 SpotCoord = coord;
-
- // hack for vector screen
- if (u_prepare_vector.x > 0.0)
- {
- // upper right quadrant
- vec2 spotOffset = vec2(-0.25, 0.25); // 0 degrees
- if (u_rotation_type.x == 1.0)
- spotOffset = vec2(-0.25, -0.25); // 90 degrees
- if (u_rotation_type.x == 2.0)
- spotOffset = vec2(0.25, -0.25); // 180 degrees
- if (u_rotation_type.x == 3.0)
- spotOffset = vec2(0.25, 0.25); // 270 degrees
-
- // normalized screen canvas ratio
- vec2 CanvasRatio = ((u_swap_xy.x > 0.0) ? vec2(u_quad_dims.x / u_quad_dims.y, 1.0) : vec2(1.0, u_quad_dims.y / u_quad_dims.x));
-
- SpotCoord += spotOffset;
- SpotCoord *= CanvasRatio;
- }
- else
- {
- // upper right quadrant
- vec2 spotOffset = vec2(-0.25, 0.25);
-
- // normalized screen canvas ratio
- vec2 CanvasRatio = ((u_swap_xy.x > 0.0) ? vec2(1.0, u_quad_dims.x / u_quad_dims.y) : vec2(1.0, u_quad_dims.y / u_quad_dims.x));
-
- SpotCoord += spotOffset;
- SpotCoord *= CanvasRatio;
- }
+
+ // upper right quadrant
+ vec2 spotOffset = vec2(-0.25, 0.25);
+
+ // normalized screen canvas ratio
+ vec2 CanvasRatio = ((u_swap_xy.x > 0.0) ? vec2(1.0, u_quad_dims.x / u_quad_dims.y) : vec2(1.0, u_quad_dims.y / u_quad_dims.x));
+
+ SpotCoord += spotOffset;
+ SpotCoord *= CanvasRatio;
float SpotBlur = amount;
@@ -122,7 +102,7 @@ float GetRoundCornerFactor(vec2 coord, float radiusAmount, float smoothAmount)
// reduce smooth amount down to radius amount
smoothAmount = min(smoothAmount, radiusAmount);
- vec2 quadDims = (u_prepare_vector.x > 0.0 && u_swap_xy.x > 0.0) ? u_quad_dims.yx : u_quad_dims.xy;
+ vec2 quadDims = (u_swap_xy.x > 0.0) ? u_quad_dims.yx : u_quad_dims.xy;
float range = min(quadDims.x, quadDims.y) * 0.5;
float radius = range * max(radiusAmount, 0.0025);
@@ -141,20 +121,20 @@ float GetRoundCornerFactor(vec2 coord, float radiusAmount, float smoothAmount)
}
// www.francois-tarlier.com/blog/cubic-lens-distortion-shader/
-vec2 GetDistortedCoords(vec2 centerCoord, float amount)
+vec2 GetDistortedCoords(vec2 centerCoord, float amount, float amountCube)
{
// lens distortion coefficient
float k = amount;
// cubic distortion value
- float kcube = amount * 2.0;
+ float kcube = amountCube;
// compute cubic distortion factor
float r2 = centerCoord.x * centerCoord.x + centerCoord.y * centerCoord.y;
float f = kcube == 0.0 ? 1.0 + r2 * k : 1.0 + r2 * (k + kcube * sqrt(r2));
// fit screen bounds
- f /= 1.0 + amount * 0.5;
+ f /= 1.0 + amount * 0.25 + amountCube * 0.125;
// apply cubic distortion factor
centerCoord *= f;
@@ -162,13 +142,13 @@ vec2 GetDistortedCoords(vec2 centerCoord, float amount)
return centerCoord;
}
-vec2 GetCoords(vec2 coord, float distortionAmount)
+vec2 GetCoords(vec2 coord, float distortionAmount, float cubicDistortionAmount)
{
// center coordinates
coord -= 0.5;
// distort coordinates
- coord = GetDistortedCoords(coord, distortionAmount);
+ coord = GetDistortedCoords(coord, distortionAmount, cubicDistortionAmount);
// un-center coordinates
coord += 0.5;
@@ -180,24 +160,36 @@ vec2 GetCoords(vec2 coord, float distortionAmount)
void main()
{
+ float distortionAmount = u_distortion.x;
+ float cubicDistortionAmount = u_cubic_distortion.x > 0.0
+ ? u_cubic_distortion.x * 1.1 // cubic distortion need to be a little higher to compensate the quartic distortion
+ : u_cubic_distortion.x * 1.2; // negativ values even more
+
+ vec2 TexelDims = vec2(1.0 / u_target_dims.x, 1.0 / u_target_dims.y);
+
// Screen Curvature
- vec2 BaseCoord = GetCoords(v_texcoord0, u_curvature.x * 0.25); // reduced amount
+ vec2 BaseCoord = GetCoords(v_texcoord0, distortionAmount, cubicDistortionAmount);
+
+ // Corner Curvature
+ vec2 CornerCoord = GetCoords(v_texcoord0, u_distort_corner.x, 0.0);
vec2 BaseCoordCentered = BaseCoord;
BaseCoordCentered -= 0.5;
+ vec2 CornerCoordCentered = CornerCoord;
+ CornerCoordCentered -= 0.5;
// Color
vec4 BaseColor = texture2D(s_tex, BaseCoord);
// Clamp
- if (BaseCoord.x > 1.0 || BaseCoord.y > 1.0 || BaseCoord.x < 0.0 || BaseCoord.y < 0.0)
+ if (BaseCoord.x > 1.0 + TexelDims.x || BaseCoord.y > 1.0 + TexelDims.y || BaseCoord.x < 0.0 - TexelDims.x || BaseCoord.y < 0.0 - TexelDims.y)
{
gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
}
else
{
// Vignetting Simulation
- vec2 VignetteCoord = BaseCoordCentered;
+ vec2 VignetteCoord = CornerCoordCentered;
float VignetteFactor = GetVignetteFactor(VignetteCoord, u_vignetting.x);
BaseColor.rgb *= VignetteFactor;
@@ -205,15 +197,15 @@ void main()
// Light Reflection Simulation
vec4 LightColor = vec4(1.0, 0.90, 0.80, 1.0); // color temperature 5.000 Kelvin
- vec2 SpotCoord = BaseCoordCentered;
- vec2 NoiseCoord = BaseCoordCentered;
+ vec2 SpotCoord = CornerCoordCentered;
+ vec2 NoiseCoord = CornerCoordCentered;
float SpotAddend = GetSpotAddend(SpotCoord, u_reflection.x);
float NoiseFactor = GetNoiseFactor(SpotAddend, rand(NoiseCoord));
BaseColor += SpotAddend * NoiseFactor * LightColor;
// Round Corners Simulation
- vec2 RoundCornerCoord = BaseCoordCentered;
+ vec2 RoundCornerCoord = CornerCoordCentered;
float roundCornerFactor = GetRoundCornerFactor(RoundCornerCoord, u_round_corner.x, u_smooth_border.x);
BaseColor.rgb *= roundCornerFactor;