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#5812 - Use refdef's coordinates when drawing to screen shadow fbo, and separate depth texture and screen texture coordinates in glsl shaders.

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This commit is contained in:
James Canete 2012-12-06 01:55:45 +00:00
parent 736e1d5170
commit 374c551404
5 changed files with 33 additions and 32 deletions
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6
code/rend2/glsl/shadowmask_fp.glsl
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@ -15,7 +15,7 @@ uniform mat4 u_ShadowMvp3;
uniform vec3 u_ViewOrigin;
uniform vec4 u_ViewInfo; // zfar / znear, zfar
varying vec2 var_ScreenTex;
varying vec2 var_DepthTex;
varying vec3 var_ViewDir;
// Input: It uses texture coords as the random number seed.
@ -41,7 +41,7 @@ float PCF(const sampler2D shadowmap, const vec2 st, const float dist)
float scale = 2.0 / r_shadowMapSize;
#if defined(USE_SHADOW_FILTER)
float r = random(var_ScreenTex.xy);
float r = random(var_DepthTex.xy);
float sinr = sin(r) * scale;
float cosr = cos(r) * scale;
mat2 rmat = mat2(cosr, sinr, -sinr, cosr);
@ -78,7 +78,7 @@ void main()
{
float result;
float depth = getLinearDepth(u_ScreenDepthMap, var_ScreenTex, u_ViewInfo.x);
float depth = getLinearDepth(u_ScreenDepthMap, var_DepthTex, u_ViewInfo.x);
float sampleZ = u_ViewInfo.y * depth;
vec4 biasPos = vec4(u_ViewOrigin + var_ViewDir * depth * 0.99, 1.0);