* Fixed syntax error due to implicit float -> vec3 conversion in PostShadowPSSM15.frag
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9134 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
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@ -1,139 +1,139 @@
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// Because gpu_shader5 is actually where those
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// gather functions are declared to work on shadowmaps
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#extension GL_ARB_gpu_shader5 : enable
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#ifdef HARDWARE_SHADOWS
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#define SHADOWMAP sampler2DShadow
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#define SHADOWCOMPAREOFFSET(tex,coord,offset) textureProjOffset(tex, coord, offset)
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#define SHADOWCOMPARE(tex,coord) textureProj(tex, coord)
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#define SHADOWGATHER(tex,coord) textureGather(tex, coord.xy, coord.z)
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#else
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#define SHADOWMAP sampler2D
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#define SHADOWCOMPAREOFFSET(tex,coord,offset) step(coord.z, textureProjOffset(tex, coord, offset).r)
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#define SHADOWCOMPARE(tex,coord) step(coord.z, textureProj(tex, coord).r)
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#define SHADOWGATHER(tex,coord) step(coord.z, textureGather(tex, coord.xy))
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#endif
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#if FILTER_MODE == 0
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#define GETSHADOW SHADOWCOMPARE
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#define KERNEL 1
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#elif FILTER_MODE == 1
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#ifdef HARDWARE_SHADOWS
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#define GETSHADOW SHADOWCOMPARE
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#else
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#define GETSHADOW Shadow_DoBilinear_2x2
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#endif
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#define KERNEL 1
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#elif FILTER_MODE == 2
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#define GETSHADOW Shadow_DoDither_2x2
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#define KERNEL 1
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#elif FILTER_MODE == 3
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#define GETSHADOW Shadow_DoPCF
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#define KERNEL 4
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#elif FILTER_MODE == 4
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#define GETSHADOW Shadow_DoPCF
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#define KERNEL 8
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#endif
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out vec4 outFragColor;
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uniform SHADOWMAP m_ShadowMap0;
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uniform SHADOWMAP m_ShadowMap1;
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uniform SHADOWMAP m_ShadowMap2;
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uniform SHADOWMAP m_ShadowMap3;
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uniform vec4 m_Splits;
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uniform float m_ShadowIntensity;
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in vec4 projCoord0;
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in vec4 projCoord1;
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in vec4 projCoord2;
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in vec4 projCoord3;
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in float shadowPosition;
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float Shadow_BorderCheck(in vec2 coord){
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// Fastest, "hack" method (uses 4-5 instructions)
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vec4 t = vec4(coord.xy, 0.0, 1.0);
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t = step(t.wwxy, t.xyzz);
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return dot(t,t);
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}
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float Shadow_DoDither_2x2(in SHADOWMAP tex, in vec4 projCoord){
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float border = Shadow_BorderCheck(projCoord.xy);
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if (border > 0.0)
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return 1.0;
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ivec2 texSize = textureSize(tex, 0);
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vec2 pixSize = 1.0 / vec2(texSize);
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float shadow = 0.0;
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ivec2 o = ivec2(mod(floor(gl_FragCoord.xy), 2.0));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2(-1.5, 1.5)+o), projCoord.zw));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2( 0.5, 1.5)+o), projCoord.zw));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2(-1.5, -0.5)+o), projCoord.zw));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2( 0.5, -0.5)+o), projCoord.zw));
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shadow *= 0.25;
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return shadow;
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}
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float Shadow_DoBilinear_2x2(in SHADOWMAP tex, in vec4 projCoord){
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float border = Shadow_BorderCheck(projCoord.xy);
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if (border > 0.0)
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return 1.0;
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ivec2 texSize = textureSize(tex, 0);
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#ifdef GL_ARB_gpu_shader5
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vec4 coord = vec4(projCoord.xyz / projCoord.w,0.0);
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vec4 gather = SHADOWGATHER(tex, coord);
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#else
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vec4 gather = vec4(0.0);
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gather.x = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(0, 0));
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gather.y = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(1, 0));
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gather.z = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(0, 1));
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gather.w = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(1, 1));
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#endif
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vec2 f = fract( projCoord.xy * texSize );
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vec2 mx = mix( gather.xz, gather.yw, f.x );
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return mix( mx.x, mx.y, f.y );
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}
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float Shadow_DoPCF(in SHADOWMAP tex, in vec4 projCoord){
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float pixSize = 1.0 / textureSize(tex,0).x;
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float shadow = 0.0;
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float border = Shadow_BorderCheck(projCoord.xy);
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if (border > 0.0)
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return 1.0;
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float bound = KERNEL * 0.5 - 0.5;
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bound *= PCFEDGE;
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for (float y = -bound; y <= bound; y += PCFEDGE){
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for (float x = -bound; x <= bound; x += PCFEDGE){
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vec4 coord = vec4(projCoord.xy + vec2(x,y) * pixSize, projCoord.zw);
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shadow += SHADOWCOMPARE(tex, coord);
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}
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}
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shadow = shadow / (KERNEL * KERNEL);
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return shadow;
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}
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void main(){
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float shadow = 0.0;
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if(shadowPosition < m_Splits.x){
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shadow = GETSHADOW(m_ShadowMap0, projCoord0);
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}else if( shadowPosition < m_Splits.y){
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shadow = GETSHADOW(m_ShadowMap1, projCoord1);
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}else if( shadowPosition < m_Splits.z){
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shadow = GETSHADOW(m_ShadowMap2, projCoord2);
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}else if( shadowPosition < m_Splits.w){
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shadow = GETSHADOW(m_ShadowMap3, projCoord3);
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}
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shadow = shadow * m_ShadowIntensity + (1.0 - m_ShadowIntensity);
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outFragColor = vec4(shadow, shadow, shadow, 1.0);
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}
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// Because gpu_shader5 is actually where those
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// gather functions are declared to work on shadowmaps
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#extension GL_ARB_gpu_shader5 : enable
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#ifdef HARDWARE_SHADOWS
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#define SHADOWMAP sampler2DShadow
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#define SHADOWCOMPAREOFFSET(tex,coord,offset) textureProjOffset(tex, coord, offset)
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#define SHADOWCOMPARE(tex,coord) textureProj(tex, coord)
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#define SHADOWGATHER(tex,coord) textureGather(tex, coord.xy, coord.z)
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#else
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#define SHADOWMAP sampler2D
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#define SHADOWCOMPAREOFFSET(tex,coord,offset) step(coord.z, textureProjOffset(tex, coord, offset).r)
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#define SHADOWCOMPARE(tex,coord) step(coord.z, textureProj(tex, coord).r)
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#define SHADOWGATHER(tex,coord) step(coord.z, textureGather(tex, coord.xy))
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#endif
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#if FILTER_MODE == 0
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#define GETSHADOW SHADOWCOMPARE
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#define KERNEL 1
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#elif FILTER_MODE == 1
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#ifdef HARDWARE_SHADOWS
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#define GETSHADOW SHADOWCOMPARE
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#else
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#define GETSHADOW Shadow_DoBilinear_2x2
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#endif
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#define KERNEL 1
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#elif FILTER_MODE == 2
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#define GETSHADOW Shadow_DoDither_2x2
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#define KERNEL 1
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#elif FILTER_MODE == 3
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#define GETSHADOW Shadow_DoPCF
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#define KERNEL 4
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#elif FILTER_MODE == 4
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#define GETSHADOW Shadow_DoPCF
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#define KERNEL 8
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#endif
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out vec4 outFragColor;
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uniform SHADOWMAP m_ShadowMap0;
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uniform SHADOWMAP m_ShadowMap1;
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uniform SHADOWMAP m_ShadowMap2;
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uniform SHADOWMAP m_ShadowMap3;
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uniform vec4 m_Splits;
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uniform float m_ShadowIntensity;
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in vec4 projCoord0;
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in vec4 projCoord1;
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in vec4 projCoord2;
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in vec4 projCoord3;
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in float shadowPosition;
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float Shadow_BorderCheck(in vec2 coord){
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// Fastest, "hack" method (uses 4-5 instructions)
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vec4 t = vec4(coord.xy, 0.0, 1.0);
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t = step(t.wwxy, t.xyzz);
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return dot(t,t);
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}
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float Shadow_DoDither_2x2(in SHADOWMAP tex, in vec4 projCoord){
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float border = Shadow_BorderCheck(projCoord.xy);
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if (border > 0.0)
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return 1.0;
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ivec2 texSize = textureSize(tex, 0);
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vec2 pixSize = 1.0 / vec2(texSize);
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float shadow = 0.0;
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ivec2 o = ivec2(mod(floor(gl_FragCoord.xy), 2.0));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2(-1.5, 1.5)+o), projCoord.zw));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2( 0.5, 1.5)+o), projCoord.zw));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2(-1.5, -0.5)+o), projCoord.zw));
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shadow += SHADOWCOMPARE(tex, vec4(projCoord.xy+pixSize*(vec2( 0.5, -0.5)+o), projCoord.zw));
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shadow *= 0.25;
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return shadow;
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}
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float Shadow_DoBilinear_2x2(in SHADOWMAP tex, in vec4 projCoord){
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float border = Shadow_BorderCheck(projCoord.xy);
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if (border > 0.0)
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return 1.0;
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ivec2 texSize = textureSize(tex, 0);
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#ifdef GL_ARB_gpu_shader5
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vec4 coord = vec4(projCoord.xyz / projCoord.www,0.0);
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vec4 gather = SHADOWGATHER(tex, coord);
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#else
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vec4 gather = vec4(0.0);
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gather.x = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(0, 0));
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gather.y = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(1, 0));
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gather.z = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(0, 1));
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gather.w = SHADOWCOMPAREOFFSET(tex, projCoord, ivec2(1, 1));
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#endif
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vec2 f = fract( projCoord.xy * texSize );
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vec2 mx = mix( gather.xz, gather.yw, f.x );
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return mix( mx.x, mx.y, f.y );
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}
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float Shadow_DoPCF(in SHADOWMAP tex, in vec4 projCoord){
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float pixSize = 1.0 / textureSize(tex,0).x;
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float shadow = 0.0;
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float border = Shadow_BorderCheck(projCoord.xy);
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if (border > 0.0)
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return 1.0;
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float bound = KERNEL * 0.5 - 0.5;
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bound *= PCFEDGE;
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for (float y = -bound; y <= bound; y += PCFEDGE){
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for (float x = -bound; x <= bound; x += PCFEDGE){
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vec4 coord = vec4(projCoord.xy + vec2(x,y) * pixSize, projCoord.zw);
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shadow += SHADOWCOMPARE(tex, coord);
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}
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}
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shadow = shadow / (KERNEL * KERNEL);
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return shadow;
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}
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void main(){
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float shadow = 0.0;
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if(shadowPosition < m_Splits.x){
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shadow = GETSHADOW(m_ShadowMap0, projCoord0);
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}else if( shadowPosition < m_Splits.y){
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shadow = GETSHADOW(m_ShadowMap1, projCoord1);
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}else if( shadowPosition < m_Splits.z){
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shadow = GETSHADOW(m_ShadowMap2, projCoord2);
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}else if( shadowPosition < m_Splits.w){
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shadow = GETSHADOW(m_ShadowMap3, projCoord3);
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}
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shadow = shadow * m_ShadowIntensity + (1.0 - m_ShadowIntensity);
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outFragColor = vec4(shadow, shadow, shadow, 1.0);
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}
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