ilikecats/stk-code_catmod
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Shadow: soften edge a little

Browse Source
This commit is contained in:
Vincent Lejeune
2014-02-09 20:03:54 +01:00
parent 63db565fd7
commit 5d5ac34648
2 changed files with 8 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
data/shaders/sunlightshadow.frag
View File

@@ -1,7 +1,7 @@
#version 130
uniform sampler2D ntex;
uniform sampler2D dtex;
uniform sampler2D shadowtex;
uniform sampler2DShadow shadowtex;
//uniform sampler2D warpx;
///uniform sampler2D warpy;
@@ -73,21 +73,14 @@ void main() {
// float dy = movey * 2.0 - 1.0;
// shadowcoord.xy += vec2(dx, dy);*/
float shadowmapz = 2. * texture(shadowtex, shadowtexcoord).x - 1.;
//float shadowmapz = 2. * texture(shadowtex, vec3(shadowtexcoord, shadowcoord.z).x - 1.;
float bias = 0.002 * tan(acos(NdotL)); // According to the slope
// bias += smoothstep(0.001, 0.1, moved) * 0.014; // According to the warping
bias = clamp(bias, 0.001, 0.014);
float factor = texture(shadowtex, vec3(shadowtexcoord, 0.5 * (shadowcoord.z + bias) + 0.5));
if (shadowmapz > shadowcoord.z + bias)
{
Diff = vec4(NdotL * col, 1.);
Spec = vec4(Specular * col, 1.);
}
else
{
Diff = vec4(0., 0., 0., 1.);
Spec = vec4(0., 0., 0., 1.);
}
Diff = vec4(factor * NdotL * col, 1.);
Spec = vec4(factor * Specular * col, 1.);
SpecularMap = vec4(1.0);
return;

4
src/graphics/post_processing.cpp
View File

@@ -359,7 +359,9 @@ void PostProcessing::renderShadowedSunlight(const core::matrix4 &sun_ortho_matri
glBindVertexArray(FullScreenShader::ShadowedSunLightShader::vao);
setTexture(0, static_cast<irr::video::COpenGLTexture*>(irr_driver->getRTT(RTT_NORMAL_AND_DEPTH))->getOpenGLTextureName(), GL_NEAREST, GL_NEAREST);
setTexture(1, static_cast<irr::video::COpenGLFBOTexture*>(irr_driver->getRTT(RTT_NORMAL_AND_DEPTH))->DepthBufferTexture, GL_NEAREST, GL_NEAREST);
setTexture(2, static_cast<irr::video::COpenGLFBOTexture*>(irr_driver->getRTT(RTT_SHADOW))->DepthBufferTexture, GL_NEAREST, GL_NEAREST);
setTexture(2, static_cast<irr::video::COpenGLFBOTexture*>(irr_driver->getRTT(RTT_SHADOW))->DepthBufferTexture, GL_LINEAR, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
FullScreenShader::ShadowedSunLightShader::setUniforms(sun_ortho_matrix, cb->getPosition(), irr_driver->getInvProjMatrix(), cb->getRed(), cb->getGreen(), cb->getBlue(), 0, 1, 2);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glBindVertexArray(0);