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-rw-r--r--indra/llrender/llgl.cpp13
-rw-r--r--indra/llrender/llimagegl.cpp43
-rw-r--r--indra/llrender/llimagegl.h7
-rw-r--r--indra/llrender/llrendertarget.cpp4
4 files changed, 58 insertions, 9 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 197bc2b422..b99465ee47 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -94,6 +94,10 @@ void APIENTRY gl_debug_callback(GLenum source,
llwarns << "Severity: " << std::hex << severity << llendl;
llwarns << "Message: " << message << llendl;
llwarns << "-----------------------" << llendl;
+ if (severity == GL_DEBUG_SEVERITY_HIGH_ARB)
+ {
+ llerrs << "Halting on GL Error" << llendl;
+ }
}
#endif
@@ -572,6 +576,15 @@ bool LLGLManager::initGL()
#endif
}
+ if (mGLVersion >= 3.f && LLImageGL::sCompressTextures)
+ { //use texture compression
+ glHint(GL_TEXTURE_COMPRESSION_HINT, GL_FASTEST);
+ }
+ else
+ { //GL version is < 3.0, always disable texture compression
+ LLImageGL::sCompressTextures = false;
+ }
+
// Trailing space necessary to keep "nVidia Corpor_ati_on" cards
// from being recognized as ATI.
if (mGLVendor.substr(0,4) == "ATI ")
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 78591ddd38..17131c9d8a 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -57,6 +57,7 @@ BOOL LLImageGL::sGlobalUseAnisotropic = FALSE;
F32 LLImageGL::sLastFrameTime = 0.f;
BOOL LLImageGL::sAllowReadBackRaw = FALSE ;
LLImageGL* LLImageGL::sDefaultGLTexture = NULL ;
+bool LLImageGL::sCompressTextures = false;
std::set<LLImageGL*> LLImageGL::sImageList;
@@ -477,6 +478,8 @@ void LLImageGL::init(BOOL usemipmaps)
mDiscardLevelInAtlas = -1 ;
mTexelsInAtlas = 0 ;
mTexelsInGLTexture = 0 ;
+
+ mAllowCompression = true;
mTarget = GL_TEXTURE_2D;
mBindTarget = LLTexUnit::TT_TEXTURE;
@@ -705,7 +708,7 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
stop_glerror();
}
- LLImageGL::setManualImage(mTarget, gl_level, mFormatInternal, w, h, mFormatPrimary, GL_UNSIGNED_BYTE, (GLvoid*)data_in);
+ LLImageGL::setManualImage(mTarget, gl_level, mFormatInternal, w, h, mFormatPrimary, GL_UNSIGNED_BYTE, (GLvoid*)data_in, mAllowCompression);
if (gl_level == 0)
{
analyzeAlpha(data_in, w, h);
@@ -747,7 +750,7 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
LLImageGL::setManualImage(mTarget, 0, mFormatInternal,
w, h,
mFormatPrimary, mFormatType,
- data_in);
+ data_in, mAllowCompression);
analyzeAlpha(data_in, w, h);
stop_glerror();
@@ -805,7 +808,7 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
stop_glerror();
}
- LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data);
+ LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data, mAllowCompression);
if (m == 0)
{
analyzeAlpha(data_in, w, h);
@@ -863,7 +866,7 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
}
LLImageGL::setManualImage(mTarget, 0, mFormatInternal, w, h,
- mFormatPrimary, mFormatType, (GLvoid *)data_in);
+ mFormatPrimary, mFormatType, (GLvoid *)data_in, mAllowCompression);
analyzeAlpha(data_in, w, h);
updatePickMask(w, h, data_in);
@@ -1110,7 +1113,7 @@ void LLImageGL::deleteTextures(S32 numTextures, U32 *textures, bool immediate)
}
// static
-void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels)
+void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels, bool allow_compression)
{
bool use_scratch = false;
U32* scratch = NULL;
@@ -1173,6 +1176,36 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
}
}
+ if (LLImageGL::sCompressTextures && allow_compression)
+ {
+ switch (intformat)
+ {
+ case GL_RGB:
+ case GL_RGB8:
+ intformat = GL_COMPRESSED_RGB;
+ break;
+ case GL_RGBA:
+ case GL_RGBA8:
+ intformat = GL_COMPRESSED_RGBA;
+ break;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE8:
+ intformat = GL_COMPRESSED_LUMINANCE;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE8_ALPHA8:
+ intformat = GL_COMPRESSED_LUMINANCE_ALPHA;
+ break;
+ case GL_ALPHA:
+ case GL_ALPHA8:
+ intformat = GL_COMPRESSED_ALPHA;
+ break;
+ default:
+ llwarns << "Could not compress format: " << std::hex << intformat << llendl;
+ break;
+ }
+ }
+
stop_glerror();
glTexImage2D(target, miplevel, intformat, width, height, 0, pixformat, pixtype, use_scratch ? scratch : pixels);
stop_glerror();
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index 2cfb15b0d9..e23005fe29 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -94,12 +94,13 @@ public:
void setSize(S32 width, S32 height, S32 ncomponents);
void setComponents(S32 ncomponents) { mComponents = (S8)ncomponents ;}
+ void setAllowCompression(bool allow) { mAllowCompression = allow; }
// These 3 functions currently wrap glGenTextures(), glDeleteTextures(), and glTexImage2D()
// for tracking purposes and will be deprecated in the future
static void generateTextures(S32 numTextures, U32 *textures);
static void deleteTextures(S32 numTextures, U32 *textures, bool immediate = false);
- static void setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels);
+ static void setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels, bool allow_compression = true);
BOOL createGLTexture() ;
BOOL createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE,
@@ -209,6 +210,8 @@ private:
U32 mTexelsInAtlas ;
U32 mTexelsInGLTexture;
+ bool mAllowCompression;
+
protected:
LLGLenum mTarget; // Normally GL_TEXTURE2D, sometimes something else (ex. cube maps)
LLTexUnit::eTextureType mBindTarget; // Normally TT_TEXTURE, sometimes something else (ex. cube maps)
@@ -246,7 +249,7 @@ public:
static BOOL sGlobalUseAnisotropic;
static LLImageGL* sDefaultGLTexture ;
static BOOL sAutomatedTest;
-
+ static bool sCompressTextures; //use GL texture compression
#if DEBUG_MISS
BOOL mMissed; // Missed on last bind?
BOOL getMissed() const { return mMissed; };
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp
index ef2a7395da..780f1dc484 100644
--- a/indra/llrender/llrendertarget.cpp
+++ b/indra/llrender/llrendertarget.cpp
@@ -143,7 +143,7 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt)
{
clear_glerror();
- LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false);
if (glGetError() != GL_NO_ERROR)
{
llwarns << "Could not allocate color buffer for render target." << llendl;
@@ -223,7 +223,7 @@ bool LLRenderTarget::allocateDepth()
U32 internal_type = LLTexUnit::getInternalType(mUsage);
stop_glerror();
clear_glerror();
- LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
+ LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL, false);
gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 09:54:03 +0000