Attachment 89383 Details for Bug 71723 – Test vertex shader

Test vertex shader

vertex.shader (text/plain), 1.34 KB, created by Victor Luchits on 2013-11-18 07:20:55 UTC

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Creator: Victor Luchits

Created: 2013-11-18 07:20:55 UTC

Size: 1.34 KB

patch

obsolete

>#version 130
>
>#define MAX_SHADOWS 2
>
>varying vec4 v_ShadowProjVector[MAX_SHADOWS];
>
>uniform sampler2DShadow u_ShadowmapTexture[MAX_SHADOWS];
># define qfShadow2D(t,v) float(shadow2D(t,v))
>
>uniform float u_ShadowAlpha;
>uniform float u_ShadowProjDistance[MAX_SHADOWS];
>uniform vec4 u_ShadowmapTextureParams[MAX_SHADOWS];
>
>void main(void)
>{
>    float finalcolor = 1.0;
>
>    for (int i = 0; i < MAX_SHADOWS; i++)
>    {
>        vec3 shadowmaptc = vec3(v_ShadowProjVector[i].xyz / v_ShadowProjVector[i].w);
>
>        // this keeps shadows from appearing on surfaces behind frustum's nearplane
>        float d = step(v_ShadowProjVector[i].w, 0.0);
>
>        //shadowmaptc = (shadowmaptc + vec3 (1.0)) * vec3 (0.5);
>        shadowmaptc.xy = shadowmaptc.xy * u_ShadowmapTextureParams[i].xy; // .x - texture width
>        shadowmaptc.z = clamp(shadowmaptc.z, 0.0, 1.0);
>        shadowmaptc.xy = vec2(clamp(shadowmaptc.x, 0.0, u_ShadowmapTextureParams[i].x), clamp(shadowmaptc.y, 0.0, u_ShadowmapTextureParams[i].y));
>
>        vec2 ShadowMap_TextureScale = u_ShadowmapTextureParams[i].zw;
>
>        float f;
>
>        f = qfShadow2D(u_ShadowmapTexture[i], vec3(shadowmaptc.xy * ShadowMap_TextureScale, shadowmaptc.z));
>       
>        finalcolor *= clamp(max(max(f, d), u_ShadowAlpha), 0.0, 1.0);
>    }
>
>    gl_FragColor = vec4(vec3(finalcolor),1.0);
>}

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Attachments on bug 71723: 89383

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