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-rw-r--r--indra/llrender/llimagegl.cpp259
1 files changed, 170 insertions, 89 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 40217b2e80..ff74380217 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -184,34 +184,47 @@ void LLImageGL::cleanupClass()
//static
S32 LLImageGL::dataFormatBits(S32 dataformat)
{
- switch (dataformat)
- {
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 4;
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 8;
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 8;
- case GL_LUMINANCE: return 8;
- case GL_ALPHA: return 8;
- case GL_COLOR_INDEX: return 8;
- case GL_LUMINANCE_ALPHA: return 16;
- case GL_RGB: return 24;
- case GL_RGB8: return 24;
- case GL_RGBA: return 32;
- case GL_BGRA: return 32; // Used for QuickTime media textures on the Mac
- default:
- LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL;
- return 0;
- }
+ switch (dataformat)
+ {
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 4;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: return 4;
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 8;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: return 8;
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 8;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return 8;
+ case GL_LUMINANCE: return 8;
+ case GL_ALPHA: return 8;
+ case GL_COLOR_INDEX: return 8;
+ case GL_LUMINANCE_ALPHA: return 16;
+ case GL_RGB: return 24;
+ case GL_SRGB: return 24;
+ case GL_RGB8: return 24;
+ case GL_RGBA: return 32;
+ case GL_SRGB_ALPHA: return 32;
+ case GL_BGRA: return 32; // Used for QuickTime media textures on the Mac
+ default:
+ LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL;
+ return 0;
+ }
}
//static
S32 LLImageGL::dataFormatBytes(S32 dataformat, S32 width, S32 height)
{
- if (dataformat >= GL_COMPRESSED_RGB_S3TC_DXT1_EXT &&
- dataformat <= GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
- {
- if (width < 4) width = 4;
- if (height < 4) height = 4;
- }
+ switch (dataformat)
+ {
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ if (width < 4) width = 4;
+ if (height < 4) height = 4;
+ break;
+ default:
+ break;
+ }
S32 bytes ((width*height*dataFormatBits(dataformat)+7)>>3);
S32 aligned = (bytes+3)&~3;
return aligned;
@@ -223,14 +236,19 @@ S32 LLImageGL::dataFormatComponents(S32 dataformat)
switch (dataformat)
{
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 3;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: return 3;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 4;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: return 4;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 4;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return 4;
case GL_LUMINANCE: return 1;
case GL_ALPHA: return 1;
case GL_COLOR_INDEX: return 1;
case GL_LUMINANCE_ALPHA: return 2;
case GL_RGB: return 3;
+ case GL_SRGB: return 3;
case GL_RGBA: return 4;
+ case GL_SRGB_ALPHA: return 4;
case GL_BGRA: return 4; // Used for QuickTime media textures on the Mac
default:
LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL;
@@ -355,7 +373,7 @@ BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, const LLImageRaw* imageraw, B
LLImageGL::LLImageGL(BOOL usemipmaps)
: LLTrace::MemTrackable<LLImageGL>("LLImageGL"),
- mSaveData(0)
+ mSaveData(0), mExternalTexture(FALSE)
{
init(usemipmaps);
setSize(0, 0, 0);
@@ -365,7 +383,7 @@ LLImageGL::LLImageGL(BOOL usemipmaps)
LLImageGL::LLImageGL(U32 width, U32 height, U8 components, BOOL usemipmaps)
: LLTrace::MemTrackable<LLImageGL>("LLImageGL"),
- mSaveData(0)
+ mSaveData(0), mExternalTexture(FALSE)
{
llassert( components <= 4 );
init(usemipmaps);
@@ -376,7 +394,7 @@ LLImageGL::LLImageGL(U32 width, U32 height, U8 components, BOOL usemipmaps)
LLImageGL::LLImageGL(const LLImageRaw* imageraw, BOOL usemipmaps)
: LLTrace::MemTrackable<LLImageGL>("LLImageGL"),
- mSaveData(0)
+ mSaveData(0), mExternalTexture(FALSE)
{
init(usemipmaps);
setSize(0, 0, 0);
@@ -386,12 +404,36 @@ LLImageGL::LLImageGL(const LLImageRaw* imageraw, BOOL usemipmaps)
createGLTexture(0, imageraw);
}
+LLImageGL::LLImageGL(
+ LLGLuint texName,
+ U32 components,
+ LLGLenum target,
+ LLGLint formatInternal,
+ LLGLenum formatPrimary,
+ LLGLenum formatType,
+ LLTexUnit::eTextureAddressMode addressMode)
+ : LLTrace::MemTrackable<LLImageGL>("LLImageGL"), mSaveData(0), mExternalTexture(TRUE)
+{
+ init(false);
+ mTexName = texName;
+ mTarget = target;
+ mComponents = components;
+ mAddressMode = addressMode;
+ mFormatType = formatType;
+ mFormatInternal = formatInternal;
+ mFormatPrimary = formatPrimary;
+}
+
+
LLImageGL::~LLImageGL()
{
- LLImageGL::cleanup();
- sImageList.erase(this);
- freePickMask();
- sCount--;
+ if (!mExternalTexture)
+ {
+ LLImageGL::cleanup();
+ sImageList.erase(this);
+ freePickMask();
+ sCount--;
+ }
}
void LLImageGL::init(BOOL usemipmaps)
@@ -626,10 +668,20 @@ BOOL LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
{
LL_RECORD_BLOCK_TIME(FTM_SET_IMAGE);
bool is_compressed = false;
- if (mFormatPrimary >= GL_COMPRESSED_RGBA_S3TC_DXT1_EXT && mFormatPrimary <= GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
- {
- is_compressed = true;
- }
+
+ switch (mFormatPrimary)
+ {
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ is_compressed = true;
+ break;
+ default:
+ break;
+ }
@@ -1203,10 +1255,18 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
case GL_RGB8:
intformat = GL_COMPRESSED_RGB;
break;
+ case GL_SRGB:
+ case GL_SRGB8:
+ intformat = GL_COMPRESSED_SRGB;
+ break;
case GL_RGBA:
case GL_RGBA8:
intformat = GL_COMPRESSED_RGBA;
break;
+ case GL_SRGB_ALPHA:
+ case GL_SRGB8_ALPHA8:
+ intformat = GL_COMPRESSED_SRGB_ALPHA;
+ break;
case GL_LUMINANCE:
case GL_LUMINANCE8:
intformat = GL_COMPRESSED_LUMINANCE;
@@ -1310,33 +1370,51 @@ 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 USE_SRGB_DECODE
+ if (gGLManager.mHasTexturesRGBDecode)
+ {
+ mFormatInternal = GL_SRGB8;
+ }
+ else
+ #endif
+ {
+ mFormatInternal = GL_RGB8;
+ }
+ mFormatPrimary = GL_RGB;
+ mFormatType = GL_UNSIGNED_BYTE;
+ break;
+ case 4:
+ #if USE_SRGB_DECODE
+ if (gGLManager.mHasTexturesRGBDecode)
+ {
+ mFormatInternal = GL_SRGB8_ALPHA8;
+ }
+ else
+ #endif
+ {
+ 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() ;
}
@@ -1764,28 +1842,30 @@ void LLImageGL::calcAlphaChannelOffsetAndStride()
}
mAlphaStride = -1 ;
- switch (mFormatPrimary)
- {
- case GL_LUMINANCE:
- case GL_ALPHA:
- mAlphaStride = 1;
- break;
- case GL_LUMINANCE_ALPHA:
- mAlphaStride = 2;
- break;
- case GL_RGB:
- mNeedsAlphaAndPickMask = FALSE ;
- mIsMask = FALSE;
- return ; //no alpha channel.
- case GL_RGBA:
- mAlphaStride = 4;
- break;
- case GL_BGRA_EXT:
- mAlphaStride = 4;
- break;
- default:
- break;
- }
+ switch (mFormatPrimary)
+ {
+ case GL_LUMINANCE:
+ case GL_ALPHA:
+ mAlphaStride = 1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ mAlphaStride = 2;
+ break;
+ case GL_RGB:
+ case GL_SRGB:
+ mNeedsAlphaAndPickMask = FALSE;
+ mIsMask = FALSE;
+ return; //no alpha channel.
+ case GL_RGBA:
+ case GL_SRGB_ALPHA:
+ mAlphaStride = 4;
+ break;
+ case GL_BGRA_EXT:
+ mAlphaStride = 4;
+ break;
+ default:
+ break;
+ }
mAlphaOffset = -1 ;
if (mFormatType == GL_UNSIGNED_BYTE)
@@ -1968,12 +2048,13 @@ void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in)
freePickMask();
- if (mFormatType != GL_UNSIGNED_BYTE ||
- mFormatPrimary != GL_RGBA)
- {
- //cannot generate a pick mask for this texture
- return;
- }
+ if (mFormatType != GL_UNSIGNED_BYTE ||
+ ((mFormatPrimary != GL_RGBA)
+ && (mFormatPrimary != GL_SRGB_ALPHA)))
+ {
+ //cannot generate a pick mask for this texture
+ return;
+ }
#ifdef SHOW_ASSERT
const U32 pickSize = createPickMask(width, height);