void CHardwareTextureBuffer::UnlockSource(CMemoryBuffer & buf)
{
//BindBuffer();
if(!glUnmapBufferARB(mUsage))
{
UnbindBuffer();
throw NOVA_EXP("HardwareVertexBuffer::LockSource(): Can not map v-buffer memory..", BAD_OPERATION);
}
UnbindBuffer();
}
void Model::Draw(const Matrix4f& transform) const
{
if (_vbuffer == 0)
return;
auto video = _context->GetModule<Video>();
if (!video->BindBuffer(_vbuffer, Vertex3::DECLARE.size, Vertex3::DECLARE.types, Vertex3::DECLARE.count))
return;
glPushMatrix();
glMultMatrixf(transform.GetData());
video->BindTexture(_texture);
if (_ibuffer && video->BindBuffer(_ibuffer, 0, 0, 0))
{
video->DrawIndexedPrimitives(_topology, _icount, VALUE_USHORT);
video->UnbindBuffer(_ibuffer, 0, 0);
}
else video->DrawPrimitives(_topology, _vcount, 0);
glPopMatrix();
video->UnbindBuffer(_vbuffer, Vertex3::DECLARE.types, Vertex3::DECLARE.count);
}
CMemoryBuffer CHardwareTextureBuffer::LockSource(size_t offset, size_t length, THardwareBufferLock opt)
{
nova::byte *mapper = NULL;
CMemoryBuffer result;
if((offset + length) > mSize)
throw NOVA_EXP("HardwareVertexBuffer::LockSource(): Calling length and size very large..", BAD_OPERATION);
BindBuffer();
GLenum method;
if(mUsage == GL_PIXEL_UNPACK_BUFFER_ARB)
{
// Note that glMapBufferARB() causes sync issue.
// If GPU is working with this buffer, glMapBufferARB() will wait(stall)
// until GPU to finish its job. To avoid waiting (idle), you can call
// first glBufferDataARB() with NULL pointer before glMapBufferARB().
// If you do that, the previous data in PBO will be discarded and
// glMapBufferARB() returns a new allocated pointer immediately
// even if GPU is still working with the previous data.
glBufferDataARB(mUsage, mSize, 0, GL_STREAM_DRAW_ARB);
method = GL_WRITE_ONLY_ARB;
}
else
method = GL_READ_ONLY_ARB;
if((mapper = static_cast<nova::byte *>(glMapBufferARB(mUsage, method))) != NULL)
{
mapper += offset;
CMemoryBuffer res(mapper, length);
result = res;
}
else
{
UnbindBuffer();
throw NOVA_EXP("HardwareVertexBuffer::LockSource(): Can not map v-buffer memory..", BAD_OPERATION);
}
//UnbindBuffer();
return result;
}
Buffer::Buffer(GraphicsDevice* graphicsDevice,BufferType bufferType, BufferUsage bufferUsage,
unsigned int elementSize, unsigned int numberOfElements,
GLvoid* bufferData): _graphicsDevice(graphicsDevice),
_bufferType(bufferType), _bufferUsage(bufferUsage),
_buffer(0), _stride(0),
_elementSize(elementSize), _numberOfElements(numberOfElements)
{
//Generate the buffer
_graphicsDevice->GenerateBuffers(1, &_buffer);
//Bind the buffer to the context
BindBuffer();
//Set the buffer data
_graphicsDevice->SetBufferData(_bufferType, (_elementSize * _numberOfElements), bufferData, _bufferUsage);
//Unbind the buffer
UnbindBuffer();
}
////////////// Index buffer implementation ////////////////////////////////////
CHardwareTextureBuffer::CHardwareTextureBuffer(size_t size, THardwareBufferLock opt)
{
if(mBufID > 0)
{
if(!CRenderSystem::GetSingelton().CheckCapabilities(BASIC_CATEGORY, CAP_PBO))
throw NOVA_EXP("CHardwareTextureBuffer: You card do not support pbo extention..", BAD_OPERATION);
if(size == 0)
throw NOVA_EXP("CHardwareTextureBuffer(): You trying to create v-buffer with zero length..", BAD_OPERATION);
BindBuffer();
GLuint usage;
switch(opt)
{
case HWB_DYNAMIC:
usage = GL_STREAM_READ_ARB;
mUsage = GL_PIXEL_PACK_BUFFER_ARB;
break;
default:
usage = GL_STREAM_DRAW_ARB;
mUsage = GL_PIXEL_UNPACK_BUFFER_ARB;
break;
}
// Preparing pixel buffer
glBufferDataARB(mUsage, size, 0, usage);
mReady = true;
mSize = size;
UnbindBuffer();
}
else
throw NOVA_EXP("CHardwareTextureBuffer(): v-buffer id not created..", BAD_OPERATION);
}
void
vsDisplayList::AppendOp(vsDisplayList::op * o)
{
OpCode type = o->type;
switch( type )
{
case OpCode_SetColor:
SetColor( o->data.GetColor() );
break;
case OpCode_SetColors:
SetColors( (vsColor*)o->data.p, o->data.GetUInt() );
break;
case OpCode_SetColorsBuffer:
SetColorsBuffer( (vsRenderBuffer*)o->data.p );
break;
case OpCode_VertexArray:
VertexArray( (vsVector3D *)o->data.p, o->data.GetUInt() );
break;
case OpCode_NormalArray:
NormalArray( (vsVector3D *)o->data.p, o->data.GetUInt() );
break;
case OpCode_TexelArray:
TexelArray( (vsVector2D *)o->data.p, o->data.GetUInt() );
break;
case OpCode_ColorArray:
ColorArray( (vsColor *)o->data.p, o->data.GetUInt() );
break;
case OpCode_VertexBuffer:
VertexBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_TexelBuffer:
TexelBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_ColorBuffer:
ColorBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_BindBuffer:
BindBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_UnbindBuffer:
UnbindBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_ClearVertexArray:
ClearVertexArray();
break;
case OpCode_ClearNormalArray:
ClearNormalArray();
break;
case OpCode_ClearTexelArray:
ClearTexelArray();
break;
case OpCode_ClearColorArray:
ClearColorArray();
break;
case OpCode_ClearArrays:
ClearArrays();
break;
case OpCode_LineListArray:
LineListArray( (int *)o->data.p, o->data.GetUInt() );
break;
case OpCode_LineStripArray:
LineStripArray( (int *)o->data.p, o->data.GetUInt() );
break;
case OpCode_TriangleListArray:
TriangleListArray( (int *)o->data.p, o->data.GetUInt() );
break;
case OpCode_TriangleStripArray:
TriangleStripArray( (int *)o->data.p, o->data.GetUInt() );
break;
case OpCode_PointsArray:
PointsArray( (int *)o->data.p, o->data.GetUInt() );
break;
case OpCode_LineListBuffer:
LineListBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_LineStripBuffer:
LineStripBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_TriangleStripBuffer:
TriangleStripBuffer( (vsRenderBuffer *)o->data.p );
break;
case OpCode_TriangleFanArray:
TriangleFanArray( (int *)o->data.p, o->data.GetUInt() );
break;
case OpCode_PushTransform:
PushTransform( o->data.GetTransform() );
break;
case OpCode_SetCameraTransform:
SetCameraTransform( o->data.GetTransform() );
break;
case OpCode_SetMatrix4x4:
SetMatrix4x4( o->data.GetMatrix4x4() );
break;
case OpCode_PushMatrix4x4:
PushMatrix4x4( o->data.GetMatrix4x4() );
break;
case OpCode_SetMatrices4x4:
SetMatrices4x4( (vsMatrix4x4*)o->data.p, o->data.i );
break;
case OpCode_SetMatrices4x4Buffer:
SetMatrices4x4Buffer( (vsRenderBuffer*)o->data.p );
break;
case OpCode_SetWorldToViewMatrix4x4:
SetWorldToViewMatrix4x4( o->data.GetMatrix4x4() );
break;
case OpCode_Set3DProjection:
Set3DProjection( o->data.fov, o->data.nearPlane, o->data.farPlane );
break;
case OpCode_SetProjectionMatrix4x4:
SetProjectionMatrix4x4( o->data.GetMatrix4x4() );
break;
case OpCode_PopTransform:
PopTransform();
break;
case OpCode_EnableStencil:
EnableStencil();
break;
case OpCode_DisableStencil:
DisableStencil();
break;
case OpCode_EnableScissor:
EnableScissor( o->data.GetBox2D() );
break;
case OpCode_DisableScissor:
DisableScissor();
break;
case OpCode_ClearStencil:
ClearStencil();
break;
case OpCode_SetViewport:
SetViewport( o->data.GetBox2D() );
break;
case OpCode_ClearViewport:
ClearViewport();
break;
case OpCode_Debug:
Debug( o->data.GetString() );
break;
default:
break;
}
}
