playcanvas/build/playcanvas/src/scene/shader-lib/chunks/lit/frag/shadowStandardGL2.js

PlayCanvas WebGL game engine

var shadowStandardGL2PS = "\nfloat _getShadowPCF5x5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec3 shadowParams) {\n	float z = shadowCoord.z;\n	vec2 uv = shadowCoord.xy * shadowParams.x;\n	float shadowMapSizeInv = 1.0 / shadowParams.x;\n	vec2 base_uv = floor(uv + 0.5);\n	float s = (uv.x + 0.5 - base_uv.x);\n	float t = (uv.y + 0.5 - base_uv.y);\n	base_uv -= vec2(0.5);\n	base_uv *= shadowMapSizeInv;\n	float uw0 = (4.0 - 3.0 * s);\n	float uw1 = 7.0;\n	float uw2 = (1.0 + 3.0 * s);\n	float u0 = (3.0 - 2.0 * s) / uw0 - 2.0;\n	float u1 = (3.0 + s) / uw1;\n	float u2 = s / uw2 + 2.0;\n	float vw0 = (4.0 - 3.0 * t);\n	float vw1 = 7.0;\n	float vw2 = (1.0 + 3.0 * t);\n	float v0 = (3.0 - 2.0 * t) / vw0 - 2.0;\n	float v1 = (3.0 + t) / vw1;\n	float v2 = t / vw2 + 2.0;\n	float sum = 0.0;\n	u0 = u0 * shadowMapSizeInv + base_uv.x;\n	v0 = v0 * shadowMapSizeInv + base_uv.y;\n	u1 = u1 * shadowMapSizeInv + base_uv.x;\n	v1 = v1 * shadowMapSizeInv + base_uv.y;\n	u2 = u2 * shadowMapSizeInv + base_uv.x;\n	v2 = v2 * shadowMapSizeInv + base_uv.y;\n	sum += uw0 * vw0 * textureShadow(shadowMap, vec3(u0, v0, z));\n	sum += uw1 * vw0 * textureShadow(shadowMap, vec3(u1, v0, z));\n	sum += uw2 * vw0 * textureShadow(shadowMap, vec3(u2, v0, z));\n	sum += uw0 * vw1 * textureShadow(shadowMap, vec3(u0, v1, z));\n	sum += uw1 * vw1 * textureShadow(shadowMap, vec3(u1, v1, z));\n	sum += uw2 * vw1 * textureShadow(shadowMap, vec3(u2, v1, z));\n	sum += uw0 * vw2 * textureShadow(shadowMap, vec3(u0, v2, z));\n	sum += uw1 * vw2 * textureShadow(shadowMap, vec3(u1, v2, z));\n	sum += uw2 * vw2 * textureShadow(shadowMap, vec3(u2, v2, z));\n	sum *= 1.0f / 144.0;\n	sum = saturate(sum);\n	return sum;\n}\nfloat getShadowPCF5x5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {\n	return _getShadowPCF5x5(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams.xyz);\n}\nfloat getShadowSpotPCF5x5(SHADOWMAP_ACCEPT(shadowMap), vec3 shadowCoord, vec4 shadowParams) {\n	return _getShadowPCF5x5(SHADOWMAP_PASS(shadowMap), shadowCoord, shadowParams.xyz);\n}\n";

export { shadowStandardGL2PS as default };