2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/internal/render/renderers/render-renderer.h>
23 #include <dali/internal/common/image-sampler.h>
24 #include <dali/internal/render/gl-resources/context.h>
25 #include <dali/internal/render/renderers/render-sampler.h>
26 #include <dali/internal/render/shaders/scene-graph-shader.h>
27 #include <dali/internal/render/shaders/program.h>
28 #include <dali/internal/render/data-providers/node-data-provider.h>
29 #include <dali/internal/render/data-providers/uniform-name-cache.h>
30 #include <dali/internal/render/gl-resources/texture.h>
31 #include <dali/internal/render/gl-resources/texture-cache.h>
32 #include <dali/public-api/actors/blending.h>
43 static Matrix gModelViewProjectionMatrix( false ); ///< a shared matrix to calculate the MVP matrix, dont want to store it in object to reduce storage overhead
44 static Matrix3 gNormalMatrix; ///< a shared matrix to calculate normal matrix, dont want to store it in object to reduce storage overhead
47 * Helper to set view and projection matrices once per program
48 * @param program to set the matrices to
49 * @param modelMatrix to set
50 * @param viewMatrix to set
51 * @param projectionMatrix to set
52 * @param modelViewMatrix to set
53 * @param modelViewProjectionMatrix to set
55 inline void SetMatrices( Program& program,
56 const Matrix& modelMatrix,
57 const Matrix& viewMatrix,
58 const Matrix& projectionMatrix,
59 const Matrix& modelViewMatrix )
61 GLint loc = program.GetUniformLocation( Program::UNIFORM_MODEL_MATRIX );
62 if( Program::UNIFORM_UNKNOWN != loc )
64 program.SetUniformMatrix4fv( loc, 1, modelMatrix.AsFloat() );
66 loc = program.GetUniformLocation( Program::UNIFORM_VIEW_MATRIX );
67 if( Program::UNIFORM_UNKNOWN != loc )
69 if( program.GetViewMatrix() != &viewMatrix )
71 program.SetViewMatrix( &viewMatrix );
72 program.SetUniformMatrix4fv( loc, 1, viewMatrix.AsFloat() );
75 // set projection matrix if program has not yet received it this frame or if it is dirty
76 loc = program.GetUniformLocation( Program::UNIFORM_PROJECTION_MATRIX );
77 if( Program::UNIFORM_UNKNOWN != loc )
79 if( program.GetProjectionMatrix() != &projectionMatrix )
81 program.SetProjectionMatrix( &projectionMatrix );
82 program.SetUniformMatrix4fv( loc, 1, projectionMatrix.AsFloat() );
85 loc = program.GetUniformLocation(Program::UNIFORM_MODELVIEW_MATRIX);
86 if( Program::UNIFORM_UNKNOWN != loc )
88 program.SetUniformMatrix4fv( loc, 1, modelViewMatrix.AsFloat() );
91 loc = program.GetUniformLocation( Program::UNIFORM_MVP_MATRIX );
92 if( Program::UNIFORM_UNKNOWN != loc )
94 Matrix::Multiply( gModelViewProjectionMatrix, modelViewMatrix, projectionMatrix );
95 program.SetUniformMatrix4fv( loc, 1, gModelViewProjectionMatrix.AsFloat() );
98 loc = program.GetUniformLocation( Program::UNIFORM_NORMAL_MATRIX );
99 if( Program::UNIFORM_UNKNOWN != loc )
101 gNormalMatrix = modelViewMatrix;
102 gNormalMatrix.Invert();
103 gNormalMatrix.Transpose();
104 program.SetUniformMatrix3fv( loc, 1, gNormalMatrix.AsFloat() );
113 Renderer* Renderer::New( SceneGraph::RenderDataProvider* dataProvider,
114 SceneGraph::RenderGeometry* renderGeometry,
115 unsigned int blendingBitmask,
116 const Vector4* blendColor,
117 Dali::Renderer::FaceCullingMode faceCullingMode,
118 bool preMultipliedAlphaEnabled )
120 return new Renderer( dataProvider, renderGeometry, blendingBitmask, blendColor, faceCullingMode, preMultipliedAlphaEnabled );
123 Renderer::Renderer( SceneGraph::RenderDataProvider* dataProvider,
124 SceneGraph::RenderGeometry* renderGeometry,
125 unsigned int blendingBitmask,
126 const Vector4* blendColor,
127 Dali::Renderer::FaceCullingMode faceCullingMode,
128 bool preMultipliedAlphaEnabled)
129 : mRenderDataProvider( dataProvider ),
131 mTextureCache( NULL ),
132 mUniformNameCache( NULL ),
133 mRenderGeometry( renderGeometry ),
135 mAttributesLocation(),
137 mFaceCullingMode( faceCullingMode ),
138 mIndexedDrawFirstElement( 0 ),
139 mIndexedDrawElementsCount( 0 ),
140 mSamplerBitfield( ImageSampler::PackBitfield( FilterMode::DEFAULT, FilterMode::DEFAULT ) ),
141 mUpdateAttributesLocation( true ),
142 mPremultipledAlphaEnabled( preMultipliedAlphaEnabled )
144 if( blendingBitmask != 0u )
146 mBlendingOptions.SetBitmask( blendingBitmask );
151 mBlendingOptions.SetBlendColor( *blendColor );
155 void Renderer::Initialize( Context& context, SceneGraph::TextureCache& textureCache, Render::UniformNameCache& uniformNameCache )
158 mTextureCache = &textureCache;
159 mUniformNameCache = &uniformNameCache;
162 Renderer::~Renderer()
166 void Renderer::SetRenderDataProvider( SceneGraph::RenderDataProvider* dataProvider )
168 mRenderDataProvider = dataProvider;
169 mUpdateAttributesLocation = true;
172 void Renderer::SetGeometry( SceneGraph::RenderGeometry* renderGeometry )
174 mRenderGeometry = renderGeometry;
175 mUpdateAttributesLocation = true;
178 // Note - this is currently called from UpdateThread, PrepareRenderInstructions,
179 // as an optimisation.
180 // @todo MESH_REWORK Should use Update thread objects only in PrepareRenderInstructions.
181 bool Renderer::RequiresDepthTest() const
183 return mRenderGeometry->RequiresDepthTest();
186 void Renderer::SetBlending( Context& context, bool blend )
188 context.SetBlend( blend );
191 // Blend color is optional and rarely used
192 const Vector4* blendColor = mBlendingOptions.GetBlendColor();
195 context.SetCustomBlendColor( *blendColor );
199 context.SetDefaultBlendColor();
202 // Set blend source & destination factors
203 context.BlendFuncSeparate( mBlendingOptions.GetBlendSrcFactorRgb(),
204 mBlendingOptions.GetBlendDestFactorRgb(),
205 mBlendingOptions.GetBlendSrcFactorAlpha(),
206 mBlendingOptions.GetBlendDestFactorAlpha() );
208 // Set blend equations
209 context.BlendEquationSeparate( mBlendingOptions.GetBlendEquationRgb(),
210 mBlendingOptions.GetBlendEquationAlpha() );
214 void Renderer::GlContextDestroyed()
216 mRenderGeometry->GlContextDestroyed();
219 void Renderer::GlCleanup()
223 void Renderer::SetUniforms( BufferIndex bufferIndex, const SceneGraph::NodeDataProvider& node, const Vector3& size, Program& program )
225 // Check if the map has changed
226 DALI_ASSERT_DEBUG( mRenderDataProvider && "No Uniform map data provider available" );
228 const SceneGraph::UniformMapDataProvider& uniformMapDataProvider = mRenderDataProvider->GetUniformMap();
230 if( uniformMapDataProvider.GetUniformMapChanged( bufferIndex ) ||
231 node.GetUniformMapChanged(bufferIndex))
233 const SceneGraph::CollectedUniformMap& uniformMap = uniformMapDataProvider.GetUniformMap( bufferIndex );
234 const SceneGraph::CollectedUniformMap& uniformMapNode = node.GetUniformMap( bufferIndex );
236 unsigned int maxMaps = uniformMap.Count() + uniformMapNode.Count();
237 mUniformIndexMap.Clear(); // Clear contents, but keep memory if we don't change size
238 mUniformIndexMap.Resize( maxMaps );
240 unsigned int mapIndex(0);
241 for(; mapIndex < uniformMap.Count() ; ++mapIndex )
243 mUniformIndexMap[mapIndex].propertyValue = uniformMap[mapIndex]->propertyPtr;
244 mUniformIndexMap[mapIndex].uniformIndex = program.RegisterUniform( uniformMap[mapIndex]->uniformName );
247 for( unsigned int nodeMapIndex = 0; nodeMapIndex < uniformMapNode.Count() ; ++nodeMapIndex )
249 unsigned int uniformIndex = program.RegisterUniform( uniformMapNode[nodeMapIndex]->uniformName );
251 for( unsigned int i(0); i<uniformMap.Count(); ++i )
253 if( mUniformIndexMap[i].uniformIndex == uniformIndex )
255 mUniformIndexMap[i].propertyValue = uniformMapNode[nodeMapIndex]->propertyPtr;
263 mUniformIndexMap[mapIndex].propertyValue = uniformMapNode[nodeMapIndex]->propertyPtr;
264 mUniformIndexMap[mapIndex].uniformIndex = uniformIndex;
269 mUniformIndexMap.Resize( mapIndex );
272 // Set uniforms in local map
273 for( UniformIndexMappings::Iterator iter = mUniformIndexMap.Begin(),
274 end = mUniformIndexMap.End() ;
278 SetUniformFromProperty( bufferIndex, program, *iter );
281 GLint sizeLoc = program.GetUniformLocation( Program::UNIFORM_SIZE );
284 program.SetSizeUniform3f( sizeLoc, size.x, size.y, size.z );
288 void Renderer::SetUniformFromProperty( BufferIndex bufferIndex, Program& program, UniformIndexMap& map )
290 GLint location = program.GetUniformLocation(map.uniformIndex);
291 if( Program::UNIFORM_UNKNOWN != location )
293 // switch based on property type to use correct GL uniform setter
294 switch ( map.propertyValue->GetType() )
296 case Property::INTEGER:
298 program.SetUniform1i( location, map.propertyValue->GetInteger( bufferIndex ) );
301 case Property::FLOAT:
303 program.SetUniform1f( location, map.propertyValue->GetFloat( bufferIndex ) );
306 case Property::VECTOR2:
308 Vector2 value( map.propertyValue->GetVector2( bufferIndex ) );
309 program.SetUniform2f( location, value.x, value.y );
313 case Property::VECTOR3:
315 Vector3 value( map.propertyValue->GetVector3( bufferIndex ) );
316 program.SetUniform3f( location, value.x, value.y, value.z );
320 case Property::VECTOR4:
322 Vector4 value( map.propertyValue->GetVector4( bufferIndex ) );
323 program.SetUniform4f( location, value.x, value.y, value.z, value.w );
327 case Property::ROTATION:
329 Quaternion value( map.propertyValue->GetQuaternion( bufferIndex ) );
330 program.SetUniform4f( location, value.mVector.x, value.mVector.y, value.mVector.z, value.mVector.w );
334 case Property::MATRIX:
336 const Matrix& value = map.propertyValue->GetMatrix(bufferIndex);
337 program.SetUniformMatrix4fv(location, 1, value.AsFloat() );
341 case Property::MATRIX3:
343 const Matrix3& value = map.propertyValue->GetMatrix3(bufferIndex);
344 program.SetUniformMatrix3fv(location, 1, value.AsFloat() );
350 // Other property types are ignored
357 bool Renderer::BindTextures( SceneGraph::TextureCache& textureCache, Program& program )
362 std::vector<Render::Texture>& textures( mRenderDataProvider->GetTextures() );
363 for( size_t i(0); result && i<textures.size(); ++i )
365 ResourceId textureId = textures[i].GetTextureId();
366 Internal::Texture* texture = textureCache.GetTexture( textureId );
369 result = textureCache.BindTexture( texture, textureId, GL_TEXTURE_2D, (TextureUnit)textureUnit );
373 GLint uniformLocation;
375 bool result = program.GetSamplerUniformLocation( i, uniformLocation );
376 if( result && Program::UNIFORM_UNKNOWN != uniformLocation )
378 program.SetUniform1i( uniformLocation, textureUnit );
380 unsigned int samplerBitfield(0);
381 Render::Texture& textureMapping = textures[i];
382 const Render::Sampler* sampler( textureMapping.GetSampler() );
385 samplerBitfield = ImageSampler::PackBitfield(
386 static_cast< FilterMode::Type >(sampler->GetMinifyFilterMode()),
387 static_cast< FilterMode::Type >(sampler->GetMagnifyFilterMode()),
388 static_cast< WrapMode::Type >(sampler->GetUWrapMode()),
389 static_cast< WrapMode::Type >(sampler->GetVWrapMode())
394 samplerBitfield = ImageSampler::DEFAULT_BITFIELD;
397 texture->ApplySampler( (TextureUnit)textureUnit, samplerBitfield );
407 void Renderer::SetFaceCullingMode( Dali::Renderer::FaceCullingMode mode )
409 mFaceCullingMode = mode;
412 void Renderer::SetBlendingBitMask( unsigned int bitmask )
414 mBlendingOptions.SetBitmask( bitmask );
417 void Renderer::SetBlendColor( const Vector4* color )
419 mBlendingOptions.SetBlendColor( *color );
422 void Renderer::SetIndexedDrawFirstElement( size_t firstElement )
424 mIndexedDrawFirstElement = firstElement;
427 void Renderer::SetIndexedDrawElementsCount( size_t elementsCount )
429 mIndexedDrawElementsCount = elementsCount;
432 void Renderer::EnablePreMultipliedAlpha( bool enable )
434 mPremultipledAlphaEnabled = enable;
437 void Renderer::SetSampler( unsigned int samplerBitfield )
439 mSamplerBitfield = samplerBitfield;
442 void Renderer::Render( Context& context,
443 SceneGraph::TextureCache& textureCache,
444 BufferIndex bufferIndex,
445 const SceneGraph::NodeDataProvider& node,
446 SceneGraph::Shader& defaultShader,
447 const Matrix& modelViewMatrix,
448 const Matrix& viewMatrix,
449 const Matrix& projectionMatrix,
453 // Get the program to use:
454 Program* program = mRenderDataProvider->GetShader().GetProgram();
457 // if program is NULL it means this is a custom shader with non matching geometry type so we need to use default shaders program
458 program = defaultShader.GetProgram();
459 DALI_ASSERT_DEBUG( program && "Default shader should always have a program available." );
462 DALI_LOG_ERROR( "Failed to get program for shader at address %p.", (void*)&mRenderDataProvider->GetShader() );
468 context.CullFace( mFaceCullingMode );
471 SetBlending( context, blend );
473 // Take the program into use so we can send uniforms to it
476 if( DALI_LIKELY( BindTextures( textureCache, *program ) ) )
478 // Only set up and draw if we have textures and they are all valid
480 // set projection and view matrix if program has not yet received them yet this frame
481 SetMatrices( *program, node.GetModelMatrix( bufferIndex ), viewMatrix, projectionMatrix, modelViewMatrix );
484 GLint loc = program->GetUniformLocation( Program::UNIFORM_COLOR );
485 if( Program::UNIFORM_UNKNOWN != loc )
487 const Vector4& color = node.GetRenderColor( bufferIndex );
488 if( mPremultipledAlphaEnabled )
490 program->SetUniform4f( loc, color.r*color.a, color.g*color.a, color.b*color.a, color.a );
494 program->SetUniform4f( loc, color.r, color.g, color.b, color.a );
498 SetUniforms( bufferIndex, node, size, *program );
500 if( mUpdateAttributesLocation || mRenderGeometry->AttributesChanged() )
502 mRenderGeometry->GetAttributeLocationFromProgram( mAttributesLocation, *program, bufferIndex );
503 mUpdateAttributesLocation = false;
506 mRenderGeometry->UploadAndDraw( context, bufferIndex, mAttributesLocation, mIndexedDrawFirstElement, mIndexedDrawElementsCount );
510 void Renderer::SetSortAttributes( BufferIndex bufferIndex, SceneGraph::RendererWithSortAttributes& sortAttributes ) const
512 sortAttributes.shader = &( mRenderDataProvider->GetShader() );
513 const std::vector<Render::Texture>& textures( mRenderDataProvider->GetTextures() );
514 if( !textures.empty() )
516 sortAttributes.textureResourceId = textures[0].GetTextureId();
520 sortAttributes.textureResourceId = Integration::InvalidResourceId;
523 sortAttributes.geometry = mRenderGeometry;
526 } // namespace SceneGraph
528 } // namespace Internal