added drop shadows

1 files changed, 2 insertions, 339 deletions

diff --git a/src/render/Shaders.hpp b/src/render/Shaders.hpp
index d01e7775..ac7f9424 100644
--- a/src/render/Shaders.hpp
+++ b/src/render/Shaders.hpp
@@ -1,341 +1,4 @@
 #pragma once
 
-#include <string>
-
-inline static constexpr auto ROUNDED_SHADER_FUNC = [](const std::string colorVarName) -> std::string {
-    return R"#(
-		if (pixCoord[0] < topLeft[0]) {
-		// we're close left
-		if (pixCoord[1] < topLeft[1]) {
-			// top
-
-			if (ignoreCorners == 1) {
-				discard;
-				return;
-			}
-
-			float topLeftDistance = distance(topLeft, pixCoord);
-
-			if (topLeftDistance > radius - 1.0) {
-				if (primitiveMultisample == 0 && topLeftDistance > radius) {
-					discard;
-					return;
-				} else if (primitiveMultisample == 1) {
-					float distances = 0.0;
-					if (distance(topLeft, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(topLeft, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(topLeft, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; }
-					if (distance(topLeft, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; }
-
-					if (distances == 0.0) {
-						discard;
-						return;
-					}
-
-					distances = distances / 4.0;
-
-					gl_FragColor = )#" + colorVarName + R"#( * distances;
-					return;
-				}
-			}
-		} else if (pixCoord[1] > bottomRight[1]) {
-			// bottom
-
-			if (ignoreCorners == 1) {
-				discard;
-				return;
-			}
-
-			float topLeftDistance = distance(vec2(topLeft[0], bottomRight[1]), pixCoord);
-
-			if (topLeftDistance > radius - 1.0) {
-				if (primitiveMultisample == 0 && topLeftDistance > radius) {
-					discard;
-					return;
-				} else if (primitiveMultisample == 1) {
-					float distances = 0.0;
-					if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; }
-					if (distance(vec2(topLeft[0], bottomRight[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; }
-
-					if (distances == 0.0) {
-						discard;
-						return;
-					}
-
-					distances = distances / 4.0;
-
-					gl_FragColor = )#" + colorVarName + R"#( * distances;
-					return;
-				}
-			}
-		}
-	}
-	else if (pixCoord[0] > bottomRight[0]) {
-		// we're close right
-		if (pixCoord[1] < topLeft[1]) {
-			// top
-
-			if (ignoreCorners == 1) {
-				discard;
-				return;
-			}
-
-			float topLeftDistance = distance(vec2(bottomRight[0], topLeft[1]), pixCoord);
-
-			if (topLeftDistance > radius - 1.0) {
-				if (primitiveMultisample == 0 && topLeftDistance > radius) {
-					discard;
-					return;
-				} else if (primitiveMultisample == 1) {
-					float distances = 0.0;
-					if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; }
-					if (distance(vec2(bottomRight[0], topLeft[1]), pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; }
-
-					if (distances == 0.0) {
-						discard;
-						return;
-					}
-
-					distances = distances / 4.0;
-
-					gl_FragColor = )#" + colorVarName + R"#( * distances;
-					return;
-				}
-			}
-		} else if (pixCoord[1] > bottomRight[1]) {
-			// bottom
-
-			if (ignoreCorners == 1) {
-				discard;
-				return;
-			}
-
-			float topLeftDistance = distance(bottomRight, pixCoord);
-
-			if (topLeftDistance > radius - 1.0) {
-				if (primitiveMultisample == 0 && topLeftDistance > radius) {
-					discard;
-					return;
-				} else if (primitiveMultisample == 1) {
-					float distances = 0.0;
-					if (distance(bottomRight, pixCoord + vec2(0.25, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(bottomRight, pixCoord + vec2(0.75, 0.25)) < radius) { distances = distances + 1.0; }
-					if (distance(bottomRight, pixCoord + vec2(0.25, 0.75)) < radius) { distances = distances + 1.0; }
-					if (distance(bottomRight, pixCoord + vec2(0.75, 0.75)) < radius) { distances = distances + 1.0; }
-
-					if (distances == 0.0) {
-						discard;
-						return;
-					}
-
-					distances = distances / 4.0;
-
-					gl_FragColor = )#" + colorVarName + R"#( * distances;
-					return;
-				}
-			}
-		}
-	}
-	)#";
-};
-
-inline const std::string QUADVERTSRC = R"#(
-uniform mat3 proj;
-uniform vec4 color;
-attribute vec2 pos;
-attribute vec2 texcoord;
-varying vec4 v_color;
-varying vec2 v_texcoord;
-
-void main() {
-    gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
-    v_color = color;
-    v_texcoord = texcoord;
-})#";
-
-inline const std::string QUADFRAGSRC = R"#(
-precision mediump float;
-varying vec4 v_color;
-varying vec2 v_texcoord;
-
-uniform vec2 topLeft;
-uniform vec2 bottomRight;
-uniform vec2 fullSize;
-uniform float radius;
-
-uniform int primitiveMultisample;
-uniform int ignoreCorners;
-
-void main() {
-	if (radius == 0.0) {
-		gl_FragColor = v_color;
-		return;
-	}
-
-    vec2 pixCoord = fullSize * v_texcoord;
-
-	)#" + ROUNDED_SHADER_FUNC("v_color") + R"#(
-
-	gl_FragColor = v_color;
-})#";
-
-inline const std::string TEXVERTSRC = R"#(
-uniform mat3 proj;
-attribute vec2 pos;
-attribute vec2 texcoord;
-varying vec2 v_texcoord;
-
-void main() {
-	gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);
-	v_texcoord = texcoord;
-})#";
-
-inline const std::string TEXFRAGSRCRGBA = R"#(
-precision mediump float;
-varying vec2 v_texcoord; // is in 0-1
-uniform sampler2D tex;
-uniform float alpha;
-
-uniform vec2 topLeft;
-uniform vec2 bottomRight;
-uniform vec2 fullSize;
-uniform float radius;
-
-uniform int discardOpaque;
-
-uniform int primitiveMultisample;
-uniform int ignoreCorners;
-
-void main() {
-
-	vec4 pixColor = texture2D(tex, v_texcoord);
-
-	if (discardOpaque == 1 && pixColor[3] * alpha == 1.0) {
-		discard;
-		return;
-	}
-
-	vec2 pixCoord = fullSize * v_texcoord;
-
-	)#" + ROUNDED_SHADER_FUNC("pixColor") +
-                                          R"#(
-
-	gl_FragColor = pixColor * alpha;
-})#";
-
-inline const std::string TEXFRAGSRCRGBX = R"#(
-precision mediump float;
-varying vec2 v_texcoord;
-uniform sampler2D tex;
-uniform float alpha;
-
-uniform vec2 topLeft;
-uniform vec2 bottomRight;
-uniform vec2 fullSize;
-uniform float radius;
-
-uniform int discardOpaque;
-
-uniform int primitiveMultisample;
-uniform int ignoreCorners;
-
-void main() {
-
-	if (discardOpaque == 1 && alpha == 1.0) {
-		discard;
-		return;
-	}
-
-	vec4 pixColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0);
-	
-	vec2 pixCoord = fullSize * v_texcoord;
-
-	)#" + ROUNDED_SHADER_FUNC("pixColor") + R"#(
-
-	gl_FragColor = pixColor * alpha;
-})#";
-
-inline const std::string FRAGBLUR1 = R"#(
-#version 100
-precision mediump float;
-varying mediump vec2 v_texcoord; // is in 0-1
-uniform sampler2D tex;
-
-uniform float radius;
-uniform vec2 halfpixel;
-
-void main() {
-	vec2 uv = v_texcoord * 2.0;
-
-    vec4 sum = texture2D(tex, uv) * 4.0;
-    sum += texture2D(tex, uv - halfpixel.xy * radius);
-    sum += texture2D(tex, uv + halfpixel.xy * radius);
-    sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius);
-    sum += texture2D(tex, uv - vec2(halfpixel.x, -halfpixel.y) * radius);
-    gl_FragColor = sum / 8.0;
-}
-)#";
-
-inline const std::string FRAGBLUR2 = R"#(
-#version 100
-precision mediump float;
-varying mediump vec2 v_texcoord; // is in 0-1
-uniform sampler2D tex;
-
-uniform float radius;
-uniform vec2 halfpixel;
-
-void main() {
-	vec2 uv = v_texcoord / 2.0;
-
-    vec4 sum = texture2D(tex, uv + vec2(-halfpixel.x * 2.0, 0.0) * radius);
-    
-    sum += texture2D(tex, uv + vec2(-halfpixel.x, halfpixel.y) * radius) * 2.0;
-    sum += texture2D(tex, uv + vec2(0.0, halfpixel.y * 2.0) * radius);
-    sum += texture2D(tex, uv + vec2(halfpixel.x, halfpixel.y) * radius) * 2.0;
-    sum += texture2D(tex, uv + vec2(halfpixel.x * 2.0, 0.0) * radius);
-    sum += texture2D(tex, uv + vec2(halfpixel.x, -halfpixel.y) * radius) * 2.0;
-    sum += texture2D(tex, uv + vec2(0.0, -halfpixel.y * 2.0) * radius);
-    sum += texture2D(tex, uv + vec2(-halfpixel.x, -halfpixel.y) * radius) * 2.0;
-
-    gl_FragColor = sum / 12.0;
-}
-)#";
-
-inline const std::string TEXFRAGSRCEXT = R"#(
-#extension GL_OES_EGL_image_external : require
-
-precision mediump float;
-varying vec2 v_texcoord;
-uniform samplerExternalOES texture0;
-uniform float alpha;
-
-uniform vec2 topLeft;
-uniform vec2 bottomRight;
-uniform vec2 fullSize;
-uniform float radius;
-
-uniform int discardOpaque;
-
-uniform int primitiveMultisample;
-uniform int ignoreCorners;
-
-void main() {
-
-	vec4 pixColor = texture2D(texture0, v_texcoord);
-
-	if (discardOpaque == 1 && pixColor[3] * alpha == 1.0) {
-		discard;
-		return;
-	}
-
-	vec2 pixCoord = fullSize * v_texcoord;
-
-	)#" + ROUNDED_SHADER_FUNC("pixColor") + R"#(
-
-	gl_FragColor = pixColor * alpha;
-})#";
+#include "shaders/Textures.hpp"
+#include "shaders/Shadow.hpp"
\ No newline at end of file