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Code Issues Releases Wiki Activity

tiny fixes to VBO

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This commit is contained in:
fgenesis 2023-08-25 00:35:27 +02:00
parent 368271c40e
commit 17452f175e
1 changed files with 8 additions and 5 deletions
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13
BBGE/VertexBuffer.cpp
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@ -77,6 +77,7 @@ void* DynamicGPUBuffer::_ensureBytes(size_t bytes)
void* DynamicGPUBuffer::beginWrite(BufDataType type, size_t newsize, unsigned access)
{
assert(!_d_map);
_size = newsize;
_datatype = type;
@ -115,8 +116,10 @@ bool DynamicGPUBuffer::_commitWrite(size_t used)
if(_d_map)
{
assert(used <= _d_cap);
_d_map = NULL;
return glUnmapBufferARB(_binding); // can fail
bool ok = glUnmapBufferARB(_binding); // can fail
if(ok)
_d_map = NULL;
return ok;
}
// otherwise, the prev. call to glMapBufferARB failed (or GPUACCESS_HOSTCOPY was set).
// -> didn't map, but wrote to host memory. upload it.
@ -255,18 +258,18 @@ void DynamicGPUBuffer::dropBuffer()
_size = 0;
}
static unsigned getBoundBuffer(unsigned target)
/*static unsigned getBoundBuffer(unsigned target)
{
int id = 0;
glGetIntegerv(target, &id);
return id;
}
}*/
void DynamicGPUBuffer::drawElements(unsigned glmode, size_t n, size_t first) const
{
assert(_binding == GL_ELEMENT_ARRAY_BUFFER_ARB);
assert(s_gltype[_datatype & 0xf] == GL_SHORT);
assert(getBoundBuffer(GL_ARRAY_BUFFER_BINDING)); // FIXME: this assert is wrong if indices are on the host
//assert(getBoundBuffer(GL_ARRAY_BUFFER_BINDING)); // FIXME: this assert is wrong if indices are on the host
unsigned id = _bufid;