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Add trilinear + anisotropic on shadows

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This commit is contained in:
Vincent Lejeune 2014-11-01 19:00:02 +01:00
parent 9113aa7a39
commit 937eb3baf8
3 changed files with 12 additions and 5 deletions
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3
src/graphics/render_geometry.cpp
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@ -1019,6 +1019,9 @@ void IrrDriver::renderShadows()
renderInstancedShadow<NormalMat>(cascade);
}
}
glBindTexture(GL_TEXTURE_2D_ARRAY, m_rtts->getShadowFBO().getRTT()[0]);
glGenerateMipmap(GL_TEXTURE_2D_ARRAY);
}

8
src/graphics/rtts.cpp
View File

@ -24,13 +24,13 @@
#include "utils/log.hpp"
#include <ISceneManager.h>
static GLuint generateRTT3D(GLenum target, size_t w, size_t h, size_t d, GLint internalFormat, GLint format, GLint type)
static GLuint generateRTT3D(GLenum target, size_t w, size_t h, size_t d, GLint internalFormat, GLint format, GLint type, unsigned mipmaplevel = 1)
{
GLuint result;
glGenTextures(1, &result);
glBindTexture(target, result);
if (irr_driver->hasARBTextureStorage())
glTexStorage3D(target, 1, internalFormat, w, h, d);
glTexStorage3D(target, mipmaplevel, internalFormat, w, h, d);
else
glTexImage3D(target, 0, internalFormat, w, h, d, 0, format, type, 0);
return result;
@ -223,8 +223,8 @@ RTT::RTT(size_t width, size_t height)
if (UserConfigParams::m_shadows && !irr_driver->needUBOWorkaround())
{
shadowColorTex = generateRTT3D(GL_TEXTURE_2D_ARRAY, 1024, 1024, 4, GL_R32F, GL_RED, GL_FLOAT);
shadowDepthTex = generateRTT3D(GL_TEXTURE_2D_ARRAY, 1024, 1024, 4, GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8);
shadowColorTex = generateRTT3D(GL_TEXTURE_2D_ARRAY, 1024, 1024, 4, GL_R32F, GL_RED, GL_FLOAT, 10);
shadowDepthTex = generateRTT3D(GL_TEXTURE_2D_ARRAY, 1024, 1024, 4, GL_DEPTH_COMPONENT32, GL_DEPTH_STENCIL, GL_DEPTH_COMPONENT, 10);
somevector.clear();
somevector.push_back(shadowColorTex);

6
src/graphics/shaders.cpp
View File

@ -859,9 +859,13 @@ GLuint createShadowSampler()
unsigned id;
glGenSamplers(1, &id);
glSamplerParameteri(id, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glSamplerParameteri(id, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glSamplerParameteri(id, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glSamplerParameteri(id, GL_TEXTURE_WRAP_S, GL_REPEAT);
glSamplerParameteri(id, GL_TEXTURE_WRAP_T, GL_REPEAT);
int aniso = UserConfigParams::m_anisotropic;
if (aniso == 0) aniso = 1;
glSamplerParameterf(id, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)aniso);
return id;
#endif
}