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togles: optimize PBO usage

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nillerusr
2023-01-12 20:48:13 +03:00
parent e26b40d889
commit 3d43e9fe3a
3 changed files with 8 additions and 6 deletions
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8
togles/linuxwin/cglmtex.cpp
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@@ -427,7 +427,7 @@ bool GLMGenTexels( GLMGenTexelParams *params )
DebuggerBreak();
return FALSE;
}
// verify that the amount you want to write will not exceed the limit byte count
unsigned long destByteCount = chunksize * params->m_chunkCount;
@@ -3828,7 +3828,7 @@ void CGLMTex::Lock( GLMTexLockParams *params, char** addressOut, int* yStrideOut
// d - the params of the lock request have been saved in the lock table (in the context)
// so step 1 is unambiguous. If there's no backing storage, make some.
if (!m_backing)
if (!m_backing && !(m_layout->m_key.m_texFlags & kGLMTexDynamic))
{
if ( gl_pow2_tempmem.GetBool() )
{
@@ -3940,7 +3940,7 @@ void CGLMTex::Lock( GLMTexLockParams *params, char** addressOut, int* yStrideOut
desc->m_sliceRegionOffset = offsetInSlice + desc->m_sliceBaseOffset;
if ( copyout && ( (m_layout->m_key.m_texFlags & kGLMTexDynamic) || params->m_readonly ) )
if ( (m_layout->m_key.m_texFlags & kGLMTexDynamic) || (params->m_readonly && copyout) )
{
// read the whole slice
// (odds are we'll never request anything but a whole slice to be read..)
@@ -4080,7 +4080,7 @@ void CGLMTex::Unlock( GLMTexLockParams *params )
// because it reuploads the whole thing each slice; we only use 3D textures
// for the 32x32x32 colorpsace conversion lookups and debugging the problem
// would not save any more memory.
if ( !m_texClientStorage && ( m_texGLTarget == GL_TEXTURE_2D ) )
if ( !m_texClientStorage && ( m_texGLTarget == GL_TEXTURE_2D ) && m_backing )
{
free(m_backing);
m_backing = NULL;