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Added program refcounting.

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This commit is contained in:
Branimir Karadžić 2015-08-24 14:52:21 -07:00
parent 24fa6eee76
commit c93d8db523
1 changed files with 45 additions and 9 deletions
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54
src/bgfx_p.h
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@ -2733,6 +2733,15 @@ namespace bgfx
return invalid;
}
ProgramHashMap::const_iterator it = m_programHashMap.find(uint32_t(_fsh.idx<<16)|_vsh.idx);
if (it != m_programHashMap.end() )
{
ProgramHandle handle = it->second;
ProgramRef& pr = m_programRef[handle.idx];
++pr.m_refCount;
return handle;
}
const ShaderRef& vsr = m_shaderRef[_vsh.idx];
const ShaderRef& fsr = m_shaderRef[_fsh.idx];
if (vsr.m_hash != fsr.m_hash)
@ -2753,6 +2762,9 @@ namespace bgfx
ProgramRef& pr = m_programRef[handle.idx];
pr.m_vsh = _vsh;
pr.m_fsh = _fsh;
pr.m_refCount = 1;
m_programHashMap.insert(stl::make_pair(uint32_t(_fsh.idx<<16)|_vsh.idx, handle) );
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::CreateProgram);
cmdbuf.write(handle);
@ -2778,6 +2790,15 @@ namespace bgfx
return invalid;
}
ProgramHashMap::const_iterator it = m_programHashMap.find(_vsh.idx);
if (it != m_programHashMap.end() )
{
ProgramHandle handle = it->second;
ProgramRef& pr = m_programRef[handle.idx];
++pr.m_refCount;
return handle;
}
ProgramHandle handle;
handle.idx = m_programHandle.alloc();
@ -2789,6 +2810,7 @@ namespace bgfx
pr.m_vsh = _vsh;
ShaderHandle fsh = BGFX_INVALID_HANDLE;
pr.m_fsh = fsh;
pr.m_refCount = 1;
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::CreateProgram);
cmdbuf.write(handle);
@ -2808,16 +2830,24 @@ namespace bgfx
{
BGFX_CHECK_HANDLE("destroyProgram", m_programHandle, _handle);
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::DestroyProgram);
cmdbuf.write(_handle);
m_submit->free(_handle);
const ProgramRef& pr = m_programRef[_handle.idx];
shaderDecRef(pr.m_vsh);
if (isValid(pr.m_fsh) )
ProgramRef& pr = m_programRef[_handle.idx];
int32_t refs = --pr.m_refCount;
if (0 == refs)
{
shaderDecRef(pr.m_fsh);
CommandBuffer& cmdbuf = getCommandBuffer(CommandBuffer::DestroyProgram);
cmdbuf.write(_handle);
m_submit->free(_handle);
shaderDecRef(pr.m_vsh);
uint32_t hash = pr.m_vsh.idx;
if (isValid(pr.m_fsh) )
{
shaderDecRef(pr.m_fsh);
hash |= pr.m_fsh.idx << 16;
}
m_programHashMap.erase(m_programHashMap.find(hash) );
}
}
@ -3593,6 +3623,7 @@ namespace bgfx
{
ShaderHandle m_vsh;
ShaderHandle m_fsh;
int16_t m_refCount;
};
struct UniformRef
@ -3623,8 +3654,13 @@ namespace bgfx
typedef stl::unordered_map<stl::string, UniformHandle> UniformHashMap;
UniformHashMap m_uniformHashMap;
UniformRef m_uniformRef[BGFX_CONFIG_MAX_UNIFORMS];
ShaderRef m_shaderRef[BGFX_CONFIG_MAX_SHADERS];
typedef stl::unordered_map<uint32_t, ProgramHandle> ProgramHashMap;
ProgramHashMap m_programHashMap;
ProgramRef m_programRef[BGFX_CONFIG_MAX_PROGRAMS];
TextureRef m_textureRef[BGFX_CONFIG_MAX_TEXTURES];
FrameBufferRef m_frameBufferRef[BGFX_CONFIG_MAX_FRAME_BUFFERS];
VertexDeclRef m_declRef;