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- fixed caching of texture sampler state for old hardware.

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- fixed handling of CLAMP_XY_NOMIP sampler mode. This cannot be lumped together with CLAMP_XY because it has different mipmap requirements.
This commit is contained in:
Christoph Oelckers 2016-05-03 13:39:41 +02:00
parent 4d7be0e20e
commit 0e14f00b51
4 changed files with 22 additions and 20 deletions
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2
src/gl/system/gl_interface.cpp
View file

@ -168,7 +168,7 @@ void gl_LoadExtensions()
gl.vendorstring = (char*)glGetString(GL_VENDOR);
gl.lightmethod = LM_SOFTWARE;
if (gl.version >= 3.3f || CheckExtension("GL_ARB_sampler_objects"))
if ((gl.version >= 3.3f || CheckExtension("GL_ARB_sampler_objects")) && !Args->CheckParm("-nosampler"))
{
gl.flags |= RFL_SAMPLER_OBJECTS;
}

3
src/gl/textures/gl_material.cpp
View file

@ -346,7 +346,8 @@ const FHardwareTexture *FGLTexture::Bind(int texunit, int clampmode, int transla
delete[] buffer;
}
if (tex->bHasCanvas) static_cast<FCanvasTexture*>(tex)->NeedUpdate();
if (lastSampler != clampmode || lastTranslation != translation)
if (translation != lastTranslation) lastSampler = 254;
if (lastSampler != clampmode)
lastSampler = GLRenderer->mSamplerManager->Bind(texunit, clampmode, lastSampler);
lastTranslation = translation;
return hwtex;

36
src/gl/textures/gl_samplers.cpp
View file

@ -86,7 +86,6 @@ void FSamplerManager::UnbindAll()
{
for (int i = 0; i < FHardwareTexture::MAX_TEXTURES; i++)
{
mLastBound[i] = 0;
glBindSampler(i, 0);
}
}
@ -97,12 +96,8 @@ BYTE FSamplerManager::Bind(int texunit, int num, int lastval)
if (gl.flags & RFL_SAMPLER_OBJECTS)
{
unsigned int samp = mSamplers[num];
//if (samp != mLastBound[texunit])
{
glBindSampler(texunit, samp);
mLastBound[texunit] = samp;
return 255;
}
glBindSampler(texunit, samp);
return 255;
}
else
{
@ -112,7 +107,7 @@ BYTE FSamplerManager::Bind(int texunit, int num, int lastval)
case CLAMP_NONE:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
if (lastval > CLAMP_XY_NOMIP)
if (lastval >= CLAMP_XY_NOMIP)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, TexFilter[gl_texture_filter].minfilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, TexFilter[gl_texture_filter].magfilter);
@ -123,7 +118,7 @@ BYTE FSamplerManager::Bind(int texunit, int num, int lastval)
case CLAMP_X:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
if (lastval > CLAMP_XY_NOMIP)
if (lastval >= CLAMP_XY_NOMIP)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, TexFilter[gl_texture_filter].minfilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, TexFilter[gl_texture_filter].magfilter);
@ -134,7 +129,18 @@ BYTE FSamplerManager::Bind(int texunit, int num, int lastval)
case CLAMP_Y:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (lastval > CLAMP_XY_NOMIP)
if (lastval >= CLAMP_XY_NOMIP)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, TexFilter[gl_texture_filter].minfilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, TexFilter[gl_texture_filter].magfilter);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, gl_texture_filter_anisotropic);
}
break;
case CLAMP_XY:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (lastval >= CLAMP_XY_NOMIP)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, TexFilter[gl_texture_filter].minfilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, TexFilter[gl_texture_filter].magfilter);
@ -143,15 +149,11 @@ BYTE FSamplerManager::Bind(int texunit, int num, int lastval)
break;
case CLAMP_XY_NOMIP:
case CLAMP_XY:
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (lastval > CLAMP_XY_NOMIP)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, TexFilter[gl_texture_filter].minfilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, TexFilter[gl_texture_filter].magfilter);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, gl_texture_filter_anisotropic);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, TexFilter[gl_texture_filter].magfilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, TexFilter[gl_texture_filter].magfilter);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
break;
case CLAMP_NOFILTER:

1
src/gl/textures/gl_samplers.h
View file

@ -8,7 +8,6 @@ class FSamplerManager
// We need 6 different samplers: 4 for the different clamping modes,
// one for 2D-textures and one for voxel textures
unsigned int mSamplers[7];
unsigned int mLastBound[FHardwareTexture::MAX_TEXTURES];
void UnbindAll();