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-rw-r--r--indra/llrender/llimagegl.cpp121
1 files changed, 93 insertions, 28 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index c04a3f6b41..659d3ca409 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -42,6 +42,10 @@
//----------------------------------------------------------------------------
const F32 MIN_TEXTURE_LIFETIME = 10.f;
+//which power of 2 is i?
+//assumes i is a power of 2 > 0
+U32 wpo2(U32 i);
+
//statics
U32 LLImageGL::sUniqueCount = 0;
@@ -50,7 +54,8 @@ S32 LLImageGL::sGlobalTextureMemoryInBytes = 0;
S32 LLImageGL::sBoundTextureMemoryInBytes = 0;
S32 LLImageGL::sCurBoundTextureMemory = 0;
S32 LLImageGL::sCount = 0;
-std::list<U32> LLImageGL::sDeadTextureList;
+LLImageGL::dead_texturelist_t LLImageGL::sDeadTextureList[LLTexUnit::TT_NONE];
+U32 LLImageGL::sCurTexName = 1;
BOOL LLImageGL::sGlobalUseAnisotropic = FALSE;
F32 LLImageGL::sLastFrameTime = 0.f;
@@ -416,6 +421,7 @@ void LLImageGL::init(BOOL usemipmaps)
mTarget = GL_TEXTURE_2D;
mBindTarget = LLTexUnit::TT_TEXTURE;
mHasMipMaps = false;
+ mMipLevels = -1;
mIsResident = 0;
@@ -606,8 +612,24 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
is_compressed = true;
}
+
+
+ if (mUseMipMaps)
+ {
+ //set has mip maps to true before binding image so tex parameters get set properly
+ gGL.getTexUnit(0)->unbind(mBindTarget);
+ mHasMipMaps = true;
+ mTexOptionsDirty = true;
+ setFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
+ }
+ else
+ {
+ mHasMipMaps = false;
+ }
+
llverify(gGL.getTexUnit(0)->bind(this));
+
if (mUseMipMaps)
{
if (data_hasmips)
@@ -620,6 +642,9 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
S32 w = getWidth(d);
S32 h = getHeight(d);
S32 gl_level = d-mCurrentDiscardLevel;
+
+ mMipLevels = llmax(mMipLevels, gl_level);
+
if (d > mCurrentDiscardLevel)
{
data_in -= dataFormatBytes(mFormatPrimary, w, h); // see above comment
@@ -662,10 +687,6 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
{
if (mAutoGenMips)
{
- if (!gGLManager.mHasFramebufferObject)
- {
- glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_GENERATE_MIPMAP_SGIS, TRUE);
- }
stop_glerror();
{
// LLFastTimer t2(FTM_TEMP4);
@@ -679,6 +700,11 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
S32 w = getWidth(mCurrentDiscardLevel);
S32 h = getHeight(mCurrentDiscardLevel);
+ mMipLevels = wpo2(llmax(w, h));
+
+ //use legacy mipmap generation mode
+ glTexParameteri(mTarget, GL_GENERATE_MIPMAP, GL_TRUE);
+
LLImageGL::setManualImage(mTarget, 0, mFormatInternal,
w, h,
mFormatPrimary, mFormatType,
@@ -694,16 +720,10 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
stop_glerror();
}
}
-
- if (gGLManager.mHasFramebufferObject)
- {
- glGenerateMipmap(LLTexUnit::getInternalType(mBindTarget));
- }
}
else
{
// Create mips by hand
- // about 30% faster than autogen on ATI 9800, 50% slower on nVidia 4800
// ~4x faster than gluBuild2DMipmaps
S32 width = getWidth(mCurrentDiscardLevel);
S32 height = getHeight(mCurrentDiscardLevel);
@@ -713,6 +733,9 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
const U8* cur_mip_data = 0;
S32 prev_mip_size = 0;
S32 cur_mip_size = 0;
+
+ mMipLevels = nummips;
+
for (int m=0; m<nummips; m++)
{
if (m==0)
@@ -777,10 +800,10 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
{
llerrs << "Compressed Image has mipmaps but data does not (can not auto generate compressed mips)" << llendl;
}
- mHasMipMaps = true;
}
else
{
+ mMipLevels = 0;
S32 w = getWidth();
S32 h = getHeight();
if (is_compressed)
@@ -812,7 +835,6 @@ void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
}
}
- mHasMipMaps = false;
}
stop_glerror();
mGLTextureCreated = true;
@@ -1025,23 +1047,65 @@ BOOL LLImageGL::setSubImageFromFrameBuffer(S32 fb_x, S32 fb_y, S32 x_pos, S32 y_
}
// static
-void LLImageGL::generateTextures(S32 numTextures, U32 *textures)
+void LLImageGL::generateTextures(LLTexUnit::eTextureType type, U32 format, S32 numTextures, U32 *textures)
{
- glGenTextures(numTextures, (GLuint*)textures);
+ bool empty = true;
+
+ dead_texturelist_t::iterator iter = sDeadTextureList[type].find(format);
+
+ if (iter != sDeadTextureList[type].end())
+ {
+ empty = iter->second.empty();
+ }
+
+ for (S32 i = 0; i < numTextures; ++i)
+ {
+ if (!empty)
+ {
+ textures[i] = iter->second.front();
+ iter->second.pop_front();
+ empty = iter->second.empty();
+ }
+ else
+ {
+ textures[i] = sCurTexName++;
+ }
+ }
}
// static
-void LLImageGL::deleteTextures(S32 numTextures, U32 *textures, bool immediate)
+void LLImageGL::deleteTextures(LLTexUnit::eTextureType type, U32 format, S32 mip_levels, S32 numTextures, U32 *textures, bool immediate)
{
- for (S32 i = 0; i < numTextures; i++)
+ if (gGLManager.mInited)
{
- sDeadTextureList.push_back(textures[i]);
- }
+ if (format == 0 || type == LLTexUnit::TT_CUBE_MAP || mip_levels == -1)
+ { //unknown internal format or unknown number of mip levels, not safe to reuse
+ glDeleteTextures(numTextures, textures);
+ }
+ else
+ {
+ for (S32 i = 0; i < numTextures; ++i)
+ { //remove texture from VRAM by setting its size to zero
+ for (S32 j = 0; j <= mip_levels; j++)
+ {
+ gGL.getTexUnit(0)->bindManual(type, textures[i]);
+
+ glTexImage2D(LLTexUnit::getInternalType(type), j, format, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ }
+
+ llassert(std::find(sDeadTextureList[type][format].begin(),
+ sDeadTextureList[type][format].end(), textures[i]) ==
+ sDeadTextureList[type][format].end());
- if (immediate)
+ sDeadTextureList[type][format].push_back(textures[i]);
+ }
+ }
+ }
+
+ /*if (immediate)
{
LLImageGL::deleteDeadTextures();
- }
+ }*/
}
// static
@@ -1166,10 +1230,11 @@ BOOL LLImageGL::createGLTexture()
if(mTexName)
{
- glDeleteTextures(1, (reinterpret_cast<GLuint*>(&mTexName))) ;
+ LLImageGL::deleteTextures(mBindTarget, mFormatInternal, mMipLevels, 1, (reinterpret_cast<GLuint*>(&mTexName))) ;
}
- glGenTextures(1, (GLuint*)&mTexName);
+
+ LLImageGL::generateTextures(mBindTarget, mFormatInternal, 1, &mTexName);
stop_glerror();
if (!mTexName)
{
@@ -1282,7 +1347,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_
}
else
{
- LLImageGL::generateTextures(1, &mTexName);
+ LLImageGL::generateTextures(mBindTarget, mFormatInternal, 1, &mTexName);
stop_glerror();
{
llverify(gGL.getTexUnit(0)->bind(this));
@@ -1327,7 +1392,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_
{
sGlobalTextureMemoryInBytes -= mTextureMemory;
- LLImageGL::deleteTextures(1, &old_name);
+ LLImageGL::deleteTextures(mBindTarget, mFormatInternal, mMipLevels, 1, &old_name);
stop_glerror();
}
@@ -1456,7 +1521,7 @@ void LLImageGL::deleteDeadTextures()
{
bool reset = false;
- while (!sDeadTextureList.empty())
+ /*while (!sDeadTextureList.empty())
{
GLuint tex = sDeadTextureList.front();
sDeadTextureList.pop_front();
@@ -1478,7 +1543,7 @@ void LLImageGL::deleteDeadTextures()
glDeleteTextures(1, &tex);
stop_glerror();
- }
+ }*/
if (reset)
{
@@ -1496,7 +1561,7 @@ void LLImageGL::destroyGLTexture()
mTextureMemory = 0;
}
- LLImageGL::deleteTextures(1, &mTexName);
+ LLImageGL::deleteTextures(mBindTarget, mFormatInternal, mMipLevels, 1, &mTexName);
mCurrentDiscardLevel = -1 ; //invalidate mCurrentDiscardLevel.
mTexName = 0;
mGLTextureCreated = FALSE ;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 19:30:01 +0000