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authorGraham Madarasz <graham@lindenlab.com>2013-06-17 12:56:08 -0700
committerGraham Madarasz <graham@lindenlab.com>2013-06-17 12:56:08 -0700
commitc1b7c8cacb6f6bcb8f6b9c7f73e059a41fee8c33 (patch)
tree833e947755cb1f1c23fb0aa347c3c5d3debeea48 /indra
parentc603eb5ece7ca2f2faa870bfd89f5f4e71e2b8f0 (diff)
NORSPEC-246 Force light func to use GL_R32F format for more precision on older nV mobile cards with single FP hardware
Diffstat (limited to 'indra')
-rwxr-xr-xindra/newview/pipeline.cpp22
1 files changed, 18 insertions, 4 deletions
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 8942092221..4a1b182fd2 100755
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -1190,7 +1190,14 @@ void LLPipeline::releaseLUTBuffers()
{
if (mLightFunc)
{
- LLImageGL::deleteTextures(LLTexUnit::TT_TEXTURE, GL_R16F, 0, 1, &mLightFunc);
+ U32 pix_format = GL_R16F;
+#if LL_DARWIN
+ if (gGLManager.mIsMobileGF)
+ {
+ pix_format = GL_R32F;
+ }
+#endif
+ LLImageGL::deleteTextures(LLTexUnit::TT_TEXTURE, pix_format, 0, 1, &mLightFunc);
mLightFunc = 0;
}
}
@@ -1367,7 +1374,7 @@ void LLPipeline::createLUTBuffers()
// This is fine, given we only need to create our LUT once per buffer initialization.
spec *= (((n + 2) * (n + 4)) / (8 * F_PI * (powf(2, -n/2) + n)));
- // Since we use R16F, we no longer have a dynamic range issue we need to work around here.
+ // Since we use R16/32F, we no longer have a dynamic range issue we need to work around here.
// Though some older drivers may not like this, newer drivers shouldn't have this problem.
ls[y*lightResX+x] = spec;
@@ -1390,9 +1397,16 @@ void LLPipeline::createLUTBuffers()
}
}
- LLImageGL::generateTextures(LLTexUnit::TT_TEXTURE, GL_R16F, 1, &mLightFunc);
+ U32 pix_format = GL_R16F;
+#if LL_DARWIN
+ if (gGLManager.mIsMobileGF)
+ {
+ pix_format = GL_R32F;
+ }
+#endif
+ LLImageGL::generateTextures(LLTexUnit::TT_TEXTURE, pix_format, 1, &mLightFunc);
gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, mLightFunc);
- LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_R16F, lightResX, lightResY, GL_RED, GL_FLOAT, ls, false);
+ LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, pix_format, lightResX, lightResY, GL_RED, GL_FLOAT, ls, false);
//LLImageGL::setManualImage(LLTexUnit::getInternalType(LLTexUnit::TT_TEXTURE), 0, GL_UNSIGNED_BYTE, lightResX, lightResY, GL_RED, GL_UNSIGNED_BYTE, ls, false);
gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP);
gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);