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-rw-r--r--indra/llrender/llgl.cpp6
-rw-r--r--indra/llrender/llgl.h1
-rw-r--r--indra/llrender/llglslshader.cpp7
-rw-r--r--indra/llrender/llglslshader.h4
-rw-r--r--indra/llrender/llimagegl.cpp66
-rw-r--r--indra/llrender/llrender.cpp39
-rw-r--r--indra/llrender/llrender.h13
7 files changed, 97 insertions, 39 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 54a41c9d23..d18512f613 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -999,6 +999,12 @@ void LLGLManager::initExtensions()
mHassRGBFramebuffer = ExtensionExists("GL_EXT_framebuffer_sRGB", gGLHExts.mSysExts);
#endif
+#ifdef GL_EXT_texture_sRGB_decode
+ mHasTexturesRGBDecode = ExtensionExists("GL_EXT_texture_sRGB_decode", gGLHExts.mSysExts);
+#else
+ mHasTexturesRGBDecode = ExtensionExists("GL_ARB_texture_sRGB_decode", gGLHExts.mSysExts);
+#endif
+
mHasMipMapGeneration = mHasFramebufferObject || mGLVersion >= 1.4f;
mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts);
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index 362fda5fb1..a7faea7d33 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -118,6 +118,7 @@ public:
BOOL mHasDebugOutput;
BOOL mHassRGBTexture;
BOOL mHassRGBFramebuffer;
+ BOOL mHasTexturesRGBDecode;
// Vendor-specific extensions
BOOL mIsATI;
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 8f3a56e1cf..f8b5dd0559 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -974,7 +974,7 @@ S32 LLGLSLShader::unbindTexture(S32 uniform, LLTexUnit::eTextureType mode)
return uniform;
}
-S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode)
+S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode, LLTexUnit::eTextureColorSpace space)
{
if (uniform < 0 || uniform >= (S32)mTexture.size())
{
@@ -986,11 +986,12 @@ S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode)
{
gGL.getTexUnit(index)->activate();
gGL.getTexUnit(index)->enable(mode);
+ gGL.getTexUnit(index)->setTextureColorSpace(space);
}
return index;
}
-S32 LLGLSLShader::disableTexture(S32 uniform, LLTexUnit::eTextureType mode)
+S32 LLGLSLShader::disableTexture(S32 uniform, LLTexUnit::eTextureType mode, LLTexUnit::eTextureColorSpace space)
{
if (uniform < 0 || uniform >= (S32)mTexture.size())
{
@@ -1000,7 +1001,7 @@ S32 LLGLSLShader::disableTexture(S32 uniform, LLTexUnit::eTextureType mode)
S32 index = mTexture[uniform];
if (index != -1 && gGL.getTexUnit(index)->getCurrType() != LLTexUnit::TT_NONE)
{
- if (gDebugGL && gGL.getTexUnit(index)->getCurrType() != mode)
+ if (gDebugGL && gGL.getTexUnit(index)->getCurrType() != mode && gGL.getTexUnit(index)->getCurrColorSpace() != space)
{
if (gDebugSession)
{
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index c1ce3d3aad..974d0ea005 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -153,8 +153,8 @@ public:
//if given texture uniform is active in the shader,
//the corresponding channel will be active upon return
//returns channel texture is enabled in from [0-MAX)
- S32 enableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
- S32 disableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE);
+ S32 enableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE, LLTexUnit::eTextureColorSpace space = LLTexUnit::TCS_LINEAR);
+ S32 disableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE, LLTexUnit::eTextureColorSpace space = LLTexUnit::TCS_LINEAR);
// bindTexture returns the texture unit we've bound the texture to.
// You can reuse the return value to unbind a texture when required.
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 2d526a2113..2f1f702d2c 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -1370,33 +1370,45 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S
if( !mHasExplicitFormat )
{
- switch (mComponents)
- {
- case 1:
- // Use luminance alpha (for fonts)
- mFormatInternal = GL_LUMINANCE8;
- mFormatPrimary = GL_LUMINANCE;
- mFormatType = GL_UNSIGNED_BYTE;
- break;
- case 2:
- // Use luminance alpha (for fonts)
- mFormatInternal = GL_LUMINANCE8_ALPHA8;
- mFormatPrimary = GL_LUMINANCE_ALPHA;
- mFormatType = GL_UNSIGNED_BYTE;
- break;
- case 3:
- mFormatInternal = GL_RGB8;
- mFormatPrimary = GL_RGB;
- mFormatType = GL_UNSIGNED_BYTE;
- break;
- case 4:
- mFormatInternal = GL_RGBA8;
- mFormatPrimary = GL_RGBA;
- mFormatType = GL_UNSIGNED_BYTE;
- break;
- default:
- LL_ERRS() << "Bad number of components for texture: " << (U32)getComponents() << LL_ENDL;
- }
+ switch (mComponents)
+ {
+ case 1:
+ // Use luminance alpha (for fonts)
+ mFormatInternal = GL_LUMINANCE8;
+ mFormatPrimary = GL_LUMINANCE;
+ mFormatType = GL_UNSIGNED_BYTE;
+ break;
+ case 2:
+ // Use luminance alpha (for fonts)
+ mFormatInternal = GL_LUMINANCE8_ALPHA8;
+ mFormatPrimary = GL_LUMINANCE_ALPHA;
+ mFormatType = GL_UNSIGNED_BYTE;
+ break;
+ case 3:
+ if (gGLManager.mHasTexturesRGBDecode)
+ {
+ mFormatInternal = GL_SRGB8;
+ }
+ else {
+ mFormatInternal = GL_RGB8;
+ }
+ mFormatPrimary = GL_RGB;
+ mFormatType = GL_UNSIGNED_BYTE;
+ break;
+ case 4:
+ if (gGLManager.mHasTexturesRGBDecode)
+ {
+ mFormatInternal = GL_SRGB8_ALPHA8;
+ }
+ else {
+ mFormatInternal = GL_RGBA8;
+ }
+ mFormatPrimary = GL_RGBA;
+ mFormatType = GL_UNSIGNED_BYTE;
+ break;
+ default:
+ LL_ERRS() << "Bad number of components for texture: " << (U32)getComponents() << LL_ENDL;
+ }
calcAlphaChannelOffsetAndStride() ;
}
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 2bf7ad9902..5dc61d0e8f 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -105,7 +105,7 @@ LLTexUnit::LLTexUnit(S32 index)
mCurrColorOp(TBO_MULT), mCurrAlphaOp(TBO_MULT),
mCurrColorSrc1(TBS_TEX_COLOR), mCurrColorSrc2(TBS_PREV_COLOR),
mCurrAlphaSrc1(TBS_TEX_ALPHA), mCurrAlphaSrc2(TBS_PREV_ALPHA),
- mCurrColorScale(1), mCurrAlphaScale(1), mCurrTexture(0),
+ mCurrColorScale(1), mCurrAlphaScale(1), mCurrTexture(0), mTexColorSpace(TCS_LINEAR),
mHasMipMaps(false),
mIndex(index)
{
@@ -162,6 +162,8 @@ void LLTexUnit::refreshState(void)
setTextureCombiner(mCurrColorOp, mCurrColorSrc1, mCurrColorSrc2, false);
setTextureCombiner(mCurrAlphaOp, mCurrAlphaSrc1, mCurrAlphaSrc2, true);
}
+
+ setTextureColorSpace(mTexColorSpace);
}
void LLTexUnit::activate(void)
@@ -191,7 +193,6 @@ void LLTexUnit::enable(eTextureType type)
stop_glerror();
}
mCurrTexType = type;
-
gGL.flush();
if (!LLGLSLShader::sNoFixedFunction &&
type != LLTexUnit::TT_MULTISAMPLE_TEXTURE &&
@@ -219,6 +220,8 @@ void LLTexUnit::disable(void)
{
glDisable(sGLTextureType[mCurrTexType]);
}
+
+ setTextureColorSpace(TCS_LINEAR);
mCurrTexType = TT_NONE;
}
@@ -255,7 +258,8 @@ bool LLTexUnit::bind(LLTexture* texture, bool for_rendering, bool forceBind)
gl_tex->mTexOptionsDirty = false;
setTextureAddressMode(gl_tex->mAddressMode);
setTextureFilteringOption(gl_tex->mFilterOption);
- }
+ }
+ setTextureColorSpace(mTexColorSpace);
}
}
else
@@ -330,6 +334,7 @@ bool LLTexUnit::bind(LLImageGL* texture, bool for_rendering, bool forceBind)
setTextureFilteringOption(texture->mFilterOption);
stop_glerror();
}
+ setTextureColorSpace(mTexColorSpace);
}
stop_glerror();
@@ -355,7 +360,7 @@ bool LLTexUnit::bind(LLCubeMap* cubeMap)
{
activate();
enable(LLTexUnit::TT_CUBE_MAP);
- mCurrTexture = cubeMap->mImages[0]->getTexName();
+ mCurrTexture = cubeMap->mImages[0]->getTexName();
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, mCurrTexture);
mHasMipMaps = cubeMap->mImages[0]->mHasMipMaps;
cubeMap->mImages[0]->updateBindStats(cubeMap->mImages[0]->mTextureMemory);
@@ -364,7 +369,8 @@ bool LLTexUnit::bind(LLCubeMap* cubeMap)
cubeMap->mImages[0]->mTexOptionsDirty = false;
setTextureAddressMode(cubeMap->mImages[0]->mAddressMode);
setTextureFilteringOption(cubeMap->mImages[0]->mFilterOption);
- }
+ }
+ setTextureColorSpace(mTexColorSpace);
return true;
}
else
@@ -415,7 +421,8 @@ bool LLTexUnit::bindManual(eTextureType type, U32 texture, bool hasMips)
enable(type);
mCurrTexture = texture;
glBindTexture(sGLTextureType[type], texture);
- mHasMipMaps = hasMips;
+ mHasMipMaps = hasMips;
+ setTextureColorSpace(mTexColorSpace);
}
return true;
}
@@ -435,6 +442,9 @@ void LLTexUnit::unbind(eTextureType type)
if (mCurrTexType == type)
{
mCurrTexture = 0;
+
+ // Always make sure our texture color space is reset to linear. SRGB sampling should be opt-in in the vast majority of cases. Also prevents color space "popping".
+ mTexColorSpace = TCS_LINEAR;
if (LLGLSLShader::sNoFixedFunction && type == LLTexUnit::TT_TEXTURE)
{
glBindTexture(sGLTextureType[type], sWhiteTexture);
@@ -838,6 +848,23 @@ void LLTexUnit::debugTextureUnit(void)
}
}
+void LLTexUnit::setTextureColorSpace(eTextureColorSpace space) {
+ mTexColorSpace = space;
+ if (gGLManager.mHasTexturesRGBDecode) {
+
+ if (space == TCS_SRGB) {
+ glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_SRGB_DECODE_EXT, GL_DECODE_EXT);
+ }
+ else {
+ glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_SRGB_DECODE_EXT, GL_SKIP_DECODE_EXT);
+ }
+
+ if (gDebugGL) {
+ assert_glerror();
+ }
+ }
+}
+
LLLightState::LLLightState(S32 index)
: mIndex(index),
mEnabled(false),
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index ad9cd11283..41f4fe4017 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -131,6 +131,12 @@ public:
TBS_ONE_MINUS_CONST_ALPHA
} eTextureBlendSrc;
+ typedef enum
+ {
+ TCS_LINEAR = 0,
+ TCS_SRGB
+ } eTextureColorSpace;
+
LLTexUnit(S32 index);
// Refreshes renderer state of the texture unit to the cached values
@@ -153,7 +159,7 @@ public:
// Binds the LLImageGL to this texture unit
// (automatically enables the unit for the LLImageGL's texture type)
bool bind(LLImageGL* texture, bool for_rendering = false, bool forceBind = false);
- bool bind(LLTexture* texture, bool for_rendering = false, bool forceBind = false);
+ bool bind(LLTexture* texture, bool for_rendering = false, bool forceBind = false);
// Binds a cubemap to this texture unit
// (automatically enables the texture unit for cubemaps)
@@ -198,6 +204,10 @@ public:
void setHasMipMaps(bool hasMips) { mHasMipMaps = hasMips; }
+ void setTextureColorSpace(eTextureColorSpace space);
+
+ eTextureColorSpace getCurrColorSpace() { return mTexColorSpace; }
+
protected:
const S32 mIndex;
U32 mCurrTexture;
@@ -209,6 +219,7 @@ protected:
eTextureBlendOp mCurrAlphaOp;
eTextureBlendSrc mCurrAlphaSrc1;
eTextureBlendSrc mCurrAlphaSrc2;
+ eTextureColorSpace mTexColorSpace;
S32 mCurrColorScale;
S32 mCurrAlphaScale;
bool mHasMipMaps;