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-rw-r--r--indra/llrender/llimagegl.cpp71
1 files changed, 27 insertions, 44 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index abbf90bf59..26e6aad770 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -51,6 +51,7 @@ extern LL_COMMON_API bool on_main_thread();
//----------------------------------------------------------------------------
const F32 MIN_TEXTURE_LIFETIME = 10.f;
+const F32 CONVERSION_SCRATCH_BUFFER_GL_VERSION = 3.29f;
//which power of 2 is i?
//assumes i is a power of 2 > 0
@@ -160,6 +161,7 @@ S32 LLImageGL::sMaxCategories = 1 ;
bool LLImageGL::sSkipAnalyzeAlpha;
U32 LLImageGL::sScratchPBO = 0;
U32 LLImageGL::sScratchPBOSize = 0;
+U32* LLImageGL::sManualScratch = nullptr;
//------------------------
@@ -262,6 +264,22 @@ void LLImageGL::initClass(LLWindow* window, S32 num_catagories, bool skip_analyz
}
}
+void LLImageGL::allocateConversionBuffer()
+{
+ if (gGLManager.mGLVersion < CONVERSION_SCRATCH_BUFFER_GL_VERSION)
+ {
+ try
+ {
+ sManualScratch = new U32[MAX_IMAGE_AREA];
+ }
+ catch (std::bad_alloc&)
+ {
+ LLError::LLUserWarningMsg::showOutOfMemory();
+ LL_ERRS() << "Failed to allocate sManualScratch" << LL_ENDL;
+ }
+ }
+}
+
//static
void LLImageGL::cleanupClass()
{
@@ -273,6 +291,8 @@ void LLImageGL::cleanupClass()
sScratchPBO = 0;
sScratchPBOSize = 0;
}
+
+ delete[] sManualScratch;
}
@@ -1287,11 +1307,10 @@ void LLImageGL::deleteTextures(S32 numTextures, const U32 *textures)
void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void* pixels, bool allow_compression)
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
- std::unique_ptr<U32[]> scratch;
if (LLRender::sGLCoreProfile)
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
- if (gGLManager.mGLVersion >= 3.29f)
+ if (gGLManager.mGLVersion >= CONVERSION_SCRATCH_BUFFER_GL_VERSION)
{
if (pixformat == GL_ALPHA)
{ //GL_ALPHA is deprecated, convert to RGBA
@@ -1323,27 +1342,15 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
{ //GL_ALPHA is deprecated, convert to RGBA
if (pixels != nullptr)
{
- try
- {
- scratch.reset(new U32[width * height]);
- }
- catch (std::bad_alloc)
- {
- LLError::LLUserWarningMsg::showOutOfMemory();
- LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32))
- << " bytes for a manual image W" << width << " H" << height
- << " Pixformat: GL_ALPHA, pixtype: GL_UNSIGNED_BYTE" << LL_ENDL;
- }
-
U32 pixel_count = (U32)(width * height);
for (U32 i = 0; i < pixel_count; i++)
{
- U8* pix = (U8*)&scratch[i];
+ U8* pix = (U8*)&sManualScratch[i];
pix[0] = pix[1] = pix[2] = 0;
pix[3] = ((U8*)pixels)[i];
}
- pixels = scratch.get();
+ pixels = sManualScratch;
}
pixformat = GL_RGBA;
@@ -1354,30 +1361,18 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
{ //GL_LUMINANCE_ALPHA is deprecated, convert to RGBA
if (pixels != nullptr)
{
- try
- {
- scratch.reset(new U32[width * height]);
- }
- catch (std::bad_alloc)
- {
- LLError::LLUserWarningMsg::showOutOfMemory();
- LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32))
- << " bytes for a manual image W" << width << " H" << height
- << " Pixformat: GL_LUMINANCE_ALPHA, pixtype: GL_UNSIGNED_BYTE" << LL_ENDL;
- }
-
U32 pixel_count = (U32)(width * height);
for (U32 i = 0; i < pixel_count; i++)
{
U8 lum = ((U8*)pixels)[i * 2 + 0];
U8 alpha = ((U8*)pixels)[i * 2 + 1];
- U8* pix = (U8*)&scratch[i];
+ U8* pix = (U8*)&sManualScratch[i];
pix[0] = pix[1] = pix[2] = lum;
pix[3] = alpha;
}
- pixels = scratch.get();
+ pixels = sManualScratch;
}
pixformat = GL_RGBA;
@@ -1388,29 +1383,17 @@ void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 widt
{ //GL_LUMINANCE_ALPHA is deprecated, convert to RGB
if (pixels != nullptr)
{
- try
- {
- scratch.reset(new U32[width * height]);
- }
- catch (std::bad_alloc)
- {
- LLError::LLUserWarningMsg::showOutOfMemory();
- LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32))
- << " bytes for a manual image W" << width << " H" << height
- << " Pixformat: GL_LUMINANCE, pixtype: GL_UNSIGNED_BYTE" << LL_ENDL;
- }
-
U32 pixel_count = (U32)(width * height);
for (U32 i = 0; i < pixel_count; i++)
{
U8 lum = ((U8*)pixels)[i];
- U8* pix = (U8*)&scratch[i];
+ U8* pix = (U8*)&sManualScratch[i];
pix[0] = pix[1] = pix[2] = lum;
pix[3] = 255;
}
- pixels = scratch.get();
+ pixels = sManualScratch;
}
pixformat = GL_RGBA;
intformat = GL_RGB8;