/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* limitations under the License.
*/
+// CLASS HEADER
#include <dali/internal/render/renderers/render-geometry.h>
+
+// INTERNAL INCLUDES
#include <dali/internal/common/buffer-index.h>
#include <dali/internal/render/gl-resources/context.h>
#include <dali/internal/render/gl-resources/gpu-buffer.h>
{
namespace Internal
{
-namespace SceneGraph
+namespace Render
{
-RenderGeometry::RenderGeometry( GeometryType type, bool requiresDepthTest )
-: mIndexBuffer(0),
- mGeometryType( type ),
- mRequiresDepthTest(requiresDepthTest ),
+Geometry::Geometry()
+: mIndices(),
+ mIndexBuffer(NULL),
+ mGeometryType( Dali::Geometry::TRIANGLES ),
+ mIndicesChanged(false),
mHasBeenUpdated(false),
mAttributesChanged(true)
{
}
-RenderGeometry::~RenderGeometry()
+Geometry::~Geometry()
{
}
-void RenderGeometry::GlContextCreated( Context& context )
+void Geometry::GlContextCreated( Context& context )
{
}
-void RenderGeometry::GlContextDestroyed()
+void Geometry::GlContextDestroyed()
{
}
-void RenderGeometry::AddPropertyBuffer( Render::PropertyBuffer* propertyBuffer, bool isIndexBuffer )
+void Geometry::AddPropertyBuffer( Render::PropertyBuffer* propertyBuffer )
{
- if( isIndexBuffer )
- {
- mIndexBuffer = propertyBuffer;
- }
- else
- {
- mVertexBuffers.PushBack( propertyBuffer );
- mAttributesChanged = true;
- }
+ mVertexBuffers.PushBack( propertyBuffer );
+ mAttributesChanged = true;
}
-void RenderGeometry::RemovePropertyBuffer( const Render::PropertyBuffer* propertyBuffer )
+void Geometry::SetIndexBuffer( Dali::Vector<uint16_t>& indices )
{
- if( propertyBuffer == mIndexBuffer )
- {
- mIndexBuffer = 0;
- }
- else
+ mIndices.Swap( indices );
+ mIndicesChanged = true;
+}
+
+void Geometry::RemovePropertyBuffer( const Render::PropertyBuffer* propertyBuffer )
+{
+ const auto&& end = mVertexBuffers.End();
+ for( auto&& iter = mVertexBuffers.Begin(); iter != end; ++iter )
{
- size_t bufferCount = mVertexBuffers.Size();
- for( size_t i(0); i<bufferCount; ++i )
+ if( *iter == propertyBuffer )
{
- if( propertyBuffer == mVertexBuffers[i] )
- {
- //This will delete the gpu buffer associated to the RenderPropertyBuffer if there is one
- mVertexBuffers.Remove( mVertexBuffers.Begin()+i);
- mAttributesChanged = true;
- break;
- }
+ //This will delete the gpu buffer associated to the RenderPropertyBuffer if there is one
+ mVertexBuffers.Remove( iter );
+ mAttributesChanged = true;
+ break;
}
}
}
-void RenderGeometry::GetAttributeLocationFromProgram( Vector<GLint>& attributeLocation, Program& program, BufferIndex bufferIndex ) const
+void Geometry::GetAttributeLocationFromProgram( Vector<GLint>& attributeLocation, Program& program, BufferIndex bufferIndex ) const
{
attributeLocation.Clear();
- for( size_t i(0); i< mVertexBuffers.Size(); ++i )
+ for( auto&& vertexBuffer : mVertexBuffers )
{
- unsigned int attributeCount = mVertexBuffers[i]->GetAttributeCount();
- for( unsigned int j = 0; j < attributeCount; ++j )
+ const uint32_t attributeCount = vertexBuffer->GetAttributeCount();
+ for( uint32_t j = 0; j < attributeCount; ++j )
{
- const std::string& attributeName = mVertexBuffers[i]->GetAttributeName( j );
- unsigned int index = program.RegisterCustomAttribute( attributeName );
+ const std::string& attributeName = vertexBuffer->GetAttributeName( j );
+ uint32_t index = program.RegisterCustomAttribute( attributeName );
GLint location = program.GetCustomAttributeLocation( index );
if( -1 == location )
}
}
-void RenderGeometry::OnRenderFinished()
+void Geometry::OnRenderFinished()
{
mHasBeenUpdated = false;
mAttributesChanged = false;
}
-void RenderGeometry::UploadAndDraw(
- Context& context,
- BufferIndex bufferIndex,
- Vector<GLint>& attributeLocation,
- size_t elementBufferOffset,
- size_t elementBufferCount )
+void Geometry::Upload( Context& context )
{
if( !mHasBeenUpdated )
{
// Update buffers
- if( mIndexBuffer )
+ if( mIndicesChanged )
{
- if(!mIndexBuffer->Update( context, true ) )
+ if( mIndices.Empty() )
{
- //Index buffer is not ready ( Size, data or format has not been specified yet )
- return;
+ mIndexBuffer = NULL;
}
+ else
+ {
+ if ( mIndexBuffer == NULL )
+ {
+ mIndexBuffer = new GpuBuffer( context );
+ }
+
+ uint32_t bufferSize = static_cast<uint32_t>( sizeof( uint16_t ) * mIndices.Size() );
+ mIndexBuffer->UpdateDataBuffer( context, bufferSize, &mIndices[0], GpuBuffer::STATIC_DRAW, GpuBuffer::ELEMENT_ARRAY_BUFFER );
+ }
+
+ mIndicesChanged = false;
}
- for( unsigned int i = 0; i < mVertexBuffers.Count(); ++i )
+ for( auto&& buffer : mVertexBuffers )
{
- if( !mVertexBuffers[i]->Update( context, false ) )
+ if( !buffer->Update( context ) )
{
//Vertex buffer is not ready ( Size, data or format has not been specified yet )
return;
mHasBeenUpdated = true;
}
+}
+void Geometry::Draw(
+ Context& context,
+ BufferIndex bufferIndex,
+ Vector<GLint>& attributeLocation,
+ uint32_t elementBufferOffset,
+ uint32_t elementBufferCount )
+{
//Bind buffers to attribute locations
- unsigned int base = 0;
- for( unsigned int i = 0; i < mVertexBuffers.Count(); ++i )
+ uint32_t base = 0u;
+ const uint32_t vertexBufferCount = static_cast<uint32_t>( mVertexBuffers.Count() );
+ for( uint32_t i = 0; i < vertexBufferCount; ++i )
{
- mVertexBuffers[i]->BindBuffer( GpuBuffer::ARRAY_BUFFER );
+ mVertexBuffers[i]->BindBuffer( context, GpuBuffer::ARRAY_BUFFER );
base += mVertexBuffers[i]->EnableVertexAttributes( context, attributeLocation, base );
}
- if( mIndexBuffer )
- {
- mIndexBuffer->BindBuffer( GpuBuffer::ELEMENT_ARRAY_BUFFER );
- }
-
- //Bind index buffer
- unsigned int numIndices(0u);
+ uint32_t numIndices(0u);
intptr_t firstIndexOffset(0u);
if( mIndexBuffer )
{
- numIndices = mIndexBuffer->GetDataSize() / mIndexBuffer->GetElementSize();
- if ( elementBufferCount )
+ numIndices = static_cast<uint32_t>( mIndices.Size() );
+
+ if( elementBufferOffset != 0u )
{
- numIndices = elementBufferCount > numIndices ? numIndices : elementBufferCount;
+ elementBufferOffset = (elementBufferOffset >= numIndices ) ? numIndices - 1 : elementBufferOffset;
+ firstIndexOffset = elementBufferOffset * sizeof(GLushort);
+ numIndices -= elementBufferOffset;
+ }
+
+ if( elementBufferCount != 0u )
+ {
+ numIndices = std::min( elementBufferCount, numIndices );
}
- firstIndexOffset = elementBufferOffset * sizeof(GLushort);
}
- //Draw call
+ GLenum geometryGLType(GL_NONE);
switch(mGeometryType)
{
case Dali::Geometry::TRIANGLES:
{
- if( numIndices )
- {
- context.DrawElements(GL_TRIANGLES, numIndices, GL_UNSIGNED_SHORT, reinterpret_cast<void*>(firstIndexOffset) );
- }
- else
- {
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays( GL_TRIANGLES, 0, numVertices );
- }
+ geometryGLType = GL_TRIANGLES;
break;
}
case Dali::Geometry::LINES:
{
- if( numIndices )
- {
- context.DrawElements(GL_LINES, numIndices, GL_UNSIGNED_SHORT, reinterpret_cast<void*>(firstIndexOffset) );
- }
- else
- {
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays( GL_LINES, 0, numVertices );
- }
+ geometryGLType = GL_LINES;
break;
}
case Dali::Geometry::POINTS:
{
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays(GL_POINTS, 0, numVertices );
+ geometryGLType = GL_POINTS;
break;
}
case Dali::Geometry::TRIANGLE_STRIP:
{
- if( numIndices )
- {
- context.DrawElements(GL_TRIANGLE_STRIP, numIndices, GL_UNSIGNED_SHORT, reinterpret_cast<void*>(firstIndexOffset) );
- }
- else
- {
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays(GL_TRIANGLE_STRIP, 0, numVertices );
- }
+ geometryGLType = GL_TRIANGLE_STRIP;
break;
}
case Dali::Geometry::TRIANGLE_FAN:
{
- if( numIndices )
- {
- context.DrawElements(GL_TRIANGLE_FAN, numIndices, GL_UNSIGNED_SHORT, reinterpret_cast<void*>(firstIndexOffset) );
- }
- else
- {
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays(GL_TRIANGLE_FAN, 0, numVertices );
- }
+ geometryGLType = GL_TRIANGLE_FAN;
break;
}
case Dali::Geometry::LINE_LOOP:
{
- if( numIndices )
- {
- context.DrawElements(GL_LINE_LOOP, numIndices, GL_UNSIGNED_SHORT, reinterpret_cast<void*>(firstIndexOffset) );
- }
- else
- {
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays(GL_LINE_LOOP, 0, numVertices );
- }
+ geometryGLType = GL_LINE_LOOP;
break;
}
case Dali::Geometry::LINE_STRIP:
{
- if( numIndices )
- {
- context.DrawElements(GL_LINE_STRIP, numIndices, GL_UNSIGNED_SHORT, reinterpret_cast<void*>(firstIndexOffset) );
- }
- else
- {
- unsigned int numVertices = mVertexBuffers[0]->GetElementCount();
- context.DrawArrays(GL_LINE_STRIP, 0, numVertices );
- }
+ geometryGLType = GL_LINE_STRIP;
break;
}
- default:
+ }
+
+ //Draw call
+ if( mIndexBuffer && geometryGLType != GL_POINTS )
+ {
+ //Indexed draw call
+ mIndexBuffer->Bind( context, GpuBuffer::ELEMENT_ARRAY_BUFFER );
+ // numIndices truncated, no value loss happening in practice
+ context.DrawElements( geometryGLType, static_cast<GLsizei>( numIndices ), GL_UNSIGNED_SHORT, reinterpret_cast<void*>( firstIndexOffset ) );
+ }
+ else
+ {
+ //Unindex draw call
+ GLsizei numVertices(0u);
+ if( vertexBufferCount > 0 )
{
- DALI_ASSERT_ALWAYS( 0 && "Geometry type not supported (yet)" );
- break;
+ // truncated, no value loss happening in practice
+ numVertices = static_cast<GLsizei>( mVertexBuffers[0]->GetElementCount() );
}
+
+ context.DrawArrays( geometryGLType, 0, numVertices );
}
- //Disable atrributes
- for( unsigned int i = 0; i < attributeLocation.Count(); ++i )
+ //Disable attributes
+ for( auto&& attribute : attributeLocation )
{
- if( attributeLocation[i] != -1 )
+ if( attribute != -1 )
{
- context.DisableVertexAttributeArray( attributeLocation[i] );
+ context.DisableVertexAttributeArray( static_cast<GLuint>( attribute ) );
}
}
}
projects / platform / core / uifw / dali-core.git / blobdiff