void VertexAttributeCache<VertexCacheVBO>::updateGeometryInstanceCacheEntry( GeometryInstanceGLHandle gi, GeometryInstanceCacheEntry& geometryInstanceCacheEntry, AttributeCacheEntry* attributeCacheEntry )
{
VertexAttributesGLSharedHandle const& vertexAttributes = gi->getGeometry()->getVertexAttributes();
VertexDataGLHandle vertexData = vertexAttributes->getVertexDataGLHandle();
geometryInstanceCacheEntry.m_formatId = registerVertexFormat( vertexAttributes.get(), gi->m_programPipeline->m_activeAttributeMask );
const VertexFormat &vertexFormat = m_vertexFormats[geometryInstanceCacheEntry.m_formatId];
for ( unsigned int index = 0; index < vertexFormat.m_numStreams; ++index )
{
unsigned int streamId = vertexFormat.m_streamIds[index];
AttributeCacheEntry& cacheEntry = attributeCacheEntry[index];
BufferGL *buffer = vertexData->m_data[streamId].m_buffer;
if ( buffer )
{
DP_ASSERT( buffer->getBuffer() );
cacheEntry.vbo = buffer->getBuffer()->getGLId();
cacheEntry.offset = reinterpret_cast<GLvoid *>(vertexData->m_data[streamId].m_offset);
}
else
{
cacheEntry.vbo = 0;
cacheEntry.offset = 0;
}
}
// update indices data
IndicesGLSharedHandle const& indices = gi->getGeometry()->getIndices();
if ( indices && indices->getBufferHandle() )
{
DP_ASSERT( indices->getBufferHandle()->getBuffer() );
geometryInstanceCacheEntry.m_attributeCacheIndices.vbo = indices->getBufferHandle()->getBuffer()->getGLId();
geometryInstanceCacheEntry.m_attributeCacheIndices.offset = 0;
}
else
{
geometryInstanceCacheEntry.m_attributeCacheIndices.vbo = 0;
geometryInstanceCacheEntry.m_attributeCacheIndices.offset = 0;
}
geometryInstanceCacheEntry.m_drawCall.updateDrawCall( gi );
geometryInstanceCacheEntry.m_attributeCacheEntry = attributeCacheEntry;
geometryInstanceCacheEntry.m_vertexAttributesHandle = vertexAttributes.get();
geometryInstanceCacheEntry.m_indicesHandle = indices.get();
}
void addArrayIndirectCommand( GeometryInstanceGLHandle gi, RenderEngineGLIndirect::RenderGroupGLCache::DrawArrayListEntry &drawListEntry )
{
drawListEntry.m_indirectEntries.push_back( generateIndirectEntry(gi) );
VertexAttributesGLSharedHandle const& vertexAttributes = gi->getGeometry()->getVertexAttributes().get();
VertexDataGLHandle data = vertexAttributes->getVertexDataGLHandle();
RenderEngineGLIndirect::RenderGroupGLCache::DrawArraysIndirectCommand command;
command.count = static_cast<GLuint>(data->m_numberOfVertices);
command.primCount = 1;
command.first = 0;
command.baseInstance = static_cast<GLuint>(drawListEntry.m_indirectCommands.size());
drawListEntry.m_indirectCommands.push_back( command );
}
void RenderEngineGLImpl<VertexCache>::render( GeometryInstanceGLHandle gi )
{
if ( gi->isVisible() )
{
assert( gi->m_pipelineGroupCache );
RenderGroupCache* pipelineCache = static_cast<RenderGroupCache*>(gi->m_pipelineGroupCache);
changeProgramPipelineCache( pipelineCache );
//m_currentProgramPipelineCache->renderParameters( m_currentProgramPipelineCache->getContainerCacheEntries() + gi->m_pipelineGroupCacheIndex * m_numVariableParameterStates);
m_currentProgramPipelineCache->renderParameters( gi->m_pipelineGroupCacheIndex );
GeometryInstanceCache* giCache = static_cast<GeometryInstanceCache*>(pipelineCache->m_geometryInstanceCache.get());
GeometryInstanceCacheEntry* giCacheEntry = giCache->m_geometryInstanceCacheEntries;
renderGeometryInstance(*(giCacheEntry + gi->m_pipelineGroupCacheIndex));
}
}
RenderEngineGLIndirect::RenderGroupGLCache::IndirectEntry generateIndirectEntry( GeometryInstanceGLHandle gi )
{
RenderEngineGLIndirect::RenderGroupGLCache::IndirectEntry entry;
VertexAttributesGLSharedHandle const& vertexAttributes = gi->getGeometry()->getVertexAttributes().get();
VertexDataGLHandle data = vertexAttributes->getVertexDataGLHandle();
DP_ASSERT( data->m_data[0].m_buffer->getBuffer() );
entry.position = data->m_data[0].m_buffer->getBuffer()->getAddress();
if ( data->m_data[2].m_buffer )
{
DP_ASSERT( data->m_data[2].m_buffer->getBuffer() );
entry.normal = data->m_data[2].m_buffer->getBuffer()->getAddress();
}
else
{
// HACK, some geometry does not have normals
entry.normal = entry.position;
}
entry.transform = *((GLuint64EXT*)gi->m_containers[2].container->m_data);
entry.material = *((GLuint64EXT*)gi->m_containers[3].container->m_data);
return entry;
}
void RenderEngineGLIndirect::render( RenderGroupGLHandle groupHandle, const dp::rix::core::RenderOptions& /*renderOptions*/ )
{
// if dirty, update sorted list
RenderGroupGL::ProgramPipelineCaches::iterator glIt;
RenderGroupGL::ProgramPipelineCaches::iterator glIt_end = groupHandle->m_programPipelineCaches.end();
for ( glIt = groupHandle->m_programPipelineCaches.begin(); glIt != glIt_end; ++glIt )
{
ProgramPipelineGLHandle programPipeline = glIt->first;
RenderGroupGLCache* cache = glIt->second.get<RenderGroupGLCache>();
#if RIX_GL_SEPARATE_SHADER_OBJECTS_SUPPORT == 1
glBindProgramPipeline( programPipeline->m_pipelineId );
#else
glUseProgram( programPipeline->m_programs[0]->getProgram()->getGLId() );
#endif
//if ( giList->m_indirectEntries.size() != giList->m_geometryInstances.size())
if ( !cache->m_initialized ) // TODO support changes
{
cache->m_initialized = true;
RenderGroupGLCache::DrawArrayListEntry triangles;
RenderGroupGLCache::DrawArrayListEntry lines;
RenderGroupGLCache::DrawArrayListEntry linesStrips;
//cache->m_indirectEntries.clear();
//cache->m_indirectCommands.clear();
for (size_t index = 0; index < cache->getGeometryInstances().size(); ++index )
{
GeometryInstanceGLHandle gi = cache->getGeometryInstances()[index];
if ( !gi->getGeometry()->getIndices() )
{
switch ( gi->getGeometry()->getGeometryDescription()->getPrimitiveType() )
{
case GeometryPrimitiveType::TRIANGLES:
//drawEntry = &triangles;
addArrayIndirectCommand(gi, triangles);
break;
case GeometryPrimitiveType::LINES:
addArrayIndirectCommand(gi, lines);
break;
case GeometryPrimitiveType::LINE_STRIP:
addArrayIndirectCommand(gi, linesStrips);
break;
default:
assert( 0 && "unsupported primitve types");
}
}
else
{
//addElementIndirectCommand(cache, gi );
}
}
addDrawArrayList( cache, triangles, GL_TRIANGLES);
addDrawArrayList( cache, lines, GL_LINES );
addDrawArrayList( cache, linesStrips, GL_LINE_STRIP );
for ( size_t idx = 0;idx < cache->m_drawElementsList.size(); ++idx )
{
prepareDrawElementsEntry( &cache->m_drawElementsList[idx] );
}
}
// prepare fixed containers
#if 0
GeometryInstanceGLHandle gi = cache->getGeometryInstances()[0];
for ( size_t containerIdx = 0; containerIdx < gi->m_containers.size(); ++containerIdx )
{
// debug info
auto infos = gi->m_containers[containerIdx].container->m_descriptor->m_parameterInfos;
for ( size_t infoIdx = 0; infoIdx < infos.size(); ++infoIdx )
{
std::cout << "c: " << containerIdx << ", infoIdX:" << infoIdx << ", name: " << infos[infoIdx].m_name << std::endl;
}
}
#endif
assert( !"No implementation available atm");
// TODO update to new interface
//gi->m_containers[0].parameters[0]->update( gi->m_containers[0].container->m_data ); // sys_View
//gi->m_containers[1].parameters[0]->update( gi->m_containers[1].container->m_data ); // lights
for ( size_t idx = 0;idx < cache->m_drawArrayList.size(); ++idx )
{
RenderGroupGLCache::DrawArrayListEntry &entry = cache->m_drawArrayList[idx];
glEnableVertexAttribArray( 12 );
dp::gl::bind( GL_ARRAY_BUFFER, entry.m_indirectPointersBuffer->getBuffer() );
glVertexAttribLPointerEXT( 12, 1, GL_UNSIGNED_INT64_NV, 0, 0 );
glVertexAttribDivisor( 12, 1);
// TODO update vertex attrib pointer to 64-bit values
#define USE_DRAW_INDIRECT_BUFFER
#if 0
#if defined(USE_DRAW_INDIRECT_BUFFER)
dp::gl::bind( GL_DRAW_INDIRECT_BUFFER, entry.m_indirectCommandsBuffer->getBuffer() );
size_t offset = 0;
for (size_t index = 0; index < entry.m_indirectCommands.size(); ++index )
{
glDrawArraysIndirect( entry.m_primitiveType, (const void*)(offset) );
offset += sizeof( RenderGroupGLCache::DrawArraysIndirectCommand );
}
#else
RenderGroupGLCache::DrawArraysIndirectCommand *command = &entry.m_indirectCommands[0];
for (size_t index = 0; index < entry.m_indirectCommands.size(); ++index )
{
//glDrawArraysIndirect( entry.m_primitiveType, command );
glDrawArraysInstancedBaseInstance( entry.m_primitiveType, command->first, command->count, command->primCount, command->baseInstance );
//glDrawementsBaseVertex( entry.m_primitiveType, command->count, GL_UN)
++command;
}
#endif
#else
#if defined(USE_DRAW_INDIRECT_BUFFER)
dp::gl::bind( GL_DRAW_INDIRECT_BUFFER, entry.m_indirectCommandsBuffer->getBuffer() );
glMultiDrawArraysIndirectAMD( entry.m_primitiveType, 0, static_cast<GLsizei>(entry.m_indirectCommands.size()), sizeof( RenderGroupGLCache::DrawArraysIndirectCommand ) );
#else
RenderGroupGLCache::DrawArraysIndirectCommand *commands = &entry.m_indirectCommands[0];
glMultiDrawArraysIndirectAMD( entry.m_primitiveType, commands, static_cast<GLuint>(entry.m_indirectCommands.size()), 0 );
#endif
#endif
}
#if 0
unsigned int indirectCommands = 0;
glEnable( GL_PRIMITIVE_RESTART );
//glDisable( GL_PRIMITIVE_RESTART );
glPrimitiveRestartIndex( ~0 );
glEnableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV );
glEnableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
glEnableVertexAttribArray( 12 );
glVertexAttribDivisor( 12, 1);
glVertexAttribLFormatNV( 12, 1, GL_UNSIGNED_INT64_NV, 0 );
for ( size_t idx = 0;idx < cache->m_drawElementsList.size(); ++idx )
{
const RenderGroupGLCache::DrawElementsListEntry& entry = cache->m_drawElementsList[idx];
//dp::gl::bind( GL_ARRAY_BUFFER, entry.m_indirectPointersBuffer );
//glVertexAttribLPointerEXT( 12, 1, GL_UNSIGNED_INT64_NV, 0, 0 );
glBufferAddressRangeNV( GL_VERTEX_ATTRIB_ARRAY_ADDRESS_NV, 12, entry.m_indirectPointersBufferAddress, entry.m_indirectPointersBufferRange );
//dp::gl::bind( GL_ELEMENT_ARRAY_BUFFER, entry.m_indexBuffer );
glBufferAddressRangeNV( GL_ELEMENT_ARRAY_ADDRESS_NV, 0, entry.m_indexBufferAddress, entry.m_indexBufferRange );
//glMultiDrawElementsIndirectAMD( entry.m_primitiveType, GL_UNSIGNED_INT, &entry.m_indirectCommands[0], static_cast<GLuint>(entry.m_indirectCommands.size()), 0);
//glDrawElementsIndirect( entry.m_primitiveType, GL_UNSIGNED_INT, &entry.m_indirectCommands[0] );
glDrawElementsInstancedBaseVertexBaseInstance( entry.m_primitiveType, entry.m_indirectCommands[0].count, GL_UNSIGNED_INT, 0, 1, entry.m_indirectCommands[0].baseVertex, entry.m_indirectCommands[0].baseInstance );
indirectCommands += static_cast<unsigned int>(entry.m_indirectCommands.size());
}
glDisableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV );
glDisableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
#endif
//std::cout << "indirect commands " << indirectCommands << ", " << cache->m_drawElementsList.size() << std::endl;
}
}
void addElementIndirectCommand( RenderEngineGLIndirect::RenderGroupGLCache* /*cache*/, RenderEngineGLIndirect::RenderGroupGLCache::DrawElementsListEntry& entry, GeometryInstanceGLHandle gi )
{
#if 1
entry.m_indirectEntries.push_back( generateIndirectEntry( gi ) );
RenderEngineGLIndirect::RenderGroupGLCache::DrawElementsIndirectCommand command;
command.count = static_cast<GLuint>(gi->getGeometry()->getIndices()->getCount());
command.primCount = 1;
command.firstIndex = 0;
command.baseInstance = 0;
command.baseVertex = 0;
command.baseInstance = static_cast<GLuint>(entry.m_indirectCommands.size());
entry.m_indirectCommands.push_back(command);
RenderEngineGLIndirect::RenderGroupGLCache::BindlessPointer pointer;
DP_ASSERT( gi->getGeometry()->getIndices()->getBufferHandle()->getBuffer() );
dp::gl::BufferSharedPtr const& buffer = gi->getGeometry()->getIndices()->getBufferHandle()->getBuffer();
pointer.m_address = buffer->getAddress();
pointer.m_range = buffer->getSize();
entry.m_indexPointers.push_back( pointer );
#else
dp::gl::MappedBuffer<unsigned int> indices( entry.m_indexBuffer, GL_MAP_READ_BIT );
unsigned int first = 0;
unsigned int current = 0;
while ( current < gi->getGeometry()->getIndices()->getCount() )
{
if (indices[current] == ~0)
{
if ( current - first > 0 )
{
RenderEngineGLIndirect::RenderGroupGLCache::DrawElementsIndirectCommand command;
command.primCount = 1;
command.firstIndex = first;
command.count = current - first;
command.baseInstance = 0;
command.baseVertex = 0;
command.baseInstance = static_cast<GLuint>(drawListEntry.m_indirectCommands.size());
drawListEntry.m_indirectCommands.push_back(command);
drawListEntry.m_indirectEntries.push_back( generateIndirectEntry( gi ) );
}
first = current + 1;
}
++current;
}
if ( current - first > 0 )
{
RenderEngineGLIndirect::RenderGroupGLCache::DrawElementsIndirectCommand command;
command.primCount = 1;
command.firstIndex = first;
command.count = current - first;
command.baseInstance = 0;
command.baseVertex = 0;
command.baseInstance = static_cast<GLuint>(drawListEntry.m_indirectCommands.size());
drawListEntry.m_indirectCommands.push_back(command);
drawListEntry.m_indirectEntries.push_back( generateIndirectEntry( gi ) );
}
#endif
//if ( drawListEntry.m_indirectCommands.size() > 1 )
{
//std::cout << "#strips " << drawListEntry.m_indirectCommands.size() << std::endl;
}
}