1 #ifndef DALI_RENDERER_H
2 #define DALI_RENDERER_H
5 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/object/handle.h> // Dali::Handle
23 #include <dali/public-api/object/property-index-ranges.h> // DEFAULT_RENDERER_PROPERTY_START_INDEX
24 #include <dali/public-api/rendering/geometry.h> // Dali::Geometry
25 #include <dali/public-api/rendering/texture-set.h> // Dali::TextureSet
30 * @addtogroup dali_core_rendering_effects
34 namespace Internal DALI_INTERNAL
39 namespace FaceCullingMode
43 * @brief Enumeration for face culling mode.
48 NONE, ///< None of the faces should be culled @SINCE_1_1.43
49 FRONT, ///< Cull front face, front faces should never be shown @SINCE_1_1.43
50 BACK, ///< Cull back face, back faces should never be shown @SINCE_1_1.43
51 FRONT_AND_BACK, ///< Cull front and back faces; if the geometry is composed of triangles none of the faces will be shown @SINCE_1_1.43
54 } // namespace FaceCullingMode
60 * @brief Enumeration for blend mode.
65 OFF, ///< Blending is disabled. @SINCE_1_1.43
66 AUTO, ///< Blending is enabled if there is alpha channel. This is the default mode. @SINCE_1_1.43
67 ON ///< Blending is enabled. @SINCE_1_1.43
70 } // namespace BlendMode
72 namespace BlendEquation
76 * @brief Enumeration for blend equation.
81 ADD = 0x8006, ///< The source and destination colors are added to each other. @SINCE_1_1.43
82 SUBTRACT = 0x800A, ///< Subtracts the destination from the source. @SINCE_1_1.43
83 REVERSE_SUBTRACT = 0x800B ///< Subtracts the source from the destination. @SINCE_1_1.43
86 } // namespace BlendEquation
92 * @brief Enumeration for blend factor.
97 ZERO = 0, ///< ZERO @SINCE_1_1.43
98 ONE = 1, ///< ONE @SINCE_1_1.43
99 SRC_COLOR = 0x0300, ///< SRC_COLOR @SINCE_1_1.43
100 ONE_MINUS_SRC_COLOR = 0x0301, ///< ONE_MINUS_SRC_COLOR @SINCE_1_1.43
101 SRC_ALPHA = 0x0302, ///< SRC_ALPHA @SINCE_1_1.43
102 ONE_MINUS_SRC_ALPHA = 0x0303, ///< ONE_MINUS_SRC_ALPHA @SINCE_1_1.43
103 DST_ALPHA = 0x0304, ///< DST_ALPHA @SINCE_1_1.43
104 ONE_MINUS_DST_ALPHA = 0x0305, ///< ONE_MINUS_DST_ALPHA @SINCE_1_1.43
105 DST_COLOR = 0x0306, ///< DST_COLOR @SINCE_1_1.43
106 ONE_MINUS_DST_COLOR = 0x0307, ///< ONE_MINUS_DST_COLOR @SINCE_1_1.43
107 SRC_ALPHA_SATURATE = 0x0308, ///< SRC_ALPHA_SATURATE @SINCE_1_1.43
108 CONSTANT_COLOR = 0x8001, ///< CONSTANT_COLOR @SINCE_1_1.43
109 ONE_MINUS_CONSTANT_COLOR = 0x8002, ///< ONE_MINUS_CONSTANT_COLOR @SINCE_1_1.43
110 CONSTANT_ALPHA = 0x8003, ///< CONSTANT_ALPHA @SINCE_1_1.43
111 ONE_MINUS_CONSTANT_ALPHA = 0x8004 ///< ONE_MINUS_CONSTANT_ALPHA @SINCE_1_1.43
114 } // namespace BlendFactor
116 namespace DepthWriteMode
120 * @brief Enumeration for depth buffer write modes.
125 OFF, ///< Renderer doesn't write to the depth buffer @SINCE_1_1.43
126 AUTO, ///< Renderer only writes to the depth buffer if it's opaque @SINCE_1_1.43
127 ON ///< Renderer writes to the depth buffer @SINCE_1_1.43
130 } // namespace DepthWriteMode
132 namespace DepthTestMode
136 * @brief Enumeration for depth buffer test (read) modes.
141 OFF, ///< Renderer does not read from the depth buffer @SINCE_1_1.43
142 AUTO, ///< Renderer only reads from the depth buffer if in a 3D layer @SINCE_1_1.43
143 ON ///< Renderer reads from the depth buffer based on the DepthFunction @SINCE_1_1.43
146 } // namespace DepthTestMode
148 namespace DepthFunction
152 * @brief Enumeration for depth functions.
157 NEVER, ///< Depth test never passes @SINCE_1_1.43
158 ALWAYS, ///< Depth test always passes @SINCE_1_1.43
159 LESS, ///< Depth test passes if the incoming depth value is less than the stored depth value @SINCE_1_1.43
160 GREATER, ///< Depth test passes if the incoming depth value is greater than the stored depth value @SINCE_1_1.43
161 EQUAL, ///< Depth test passes if the incoming depth value is equal to the stored depth value @SINCE_1_1.43
162 NOT_EQUAL, ///< Depth test passes if the incoming depth value is not equal to the stored depth value @SINCE_1_1.43
163 LESS_EQUAL, ///< Depth test passes if the incoming depth value is less than or equal to the stored depth value @SINCE_1_1.43
164 GREATER_EQUAL ///< Depth test passes if the incoming depth value is greater than or equal to the stored depth value @SINCE_1_1.43
167 } // namespace DepthFunction
173 * @brief Enumeration for the controls of how this renderer uses its stencil properties and writes to the color buffer.
178 NONE, ///< Do not write to either color or stencil buffer (But will potentially render to depth buffer). @SINCE_1_2_5
179 AUTO, ///< Managed by the Actor Clipping API. This is the default. @SINCE_1_2_5
180 COLOR, ///< Ingore stencil properties. Write to the color buffer. @SINCE_1_2_5
181 STENCIL, ///< Use the stencil properties. Do not write to the color buffer. @SINCE_1_2_5
182 COLOR_STENCIL ///< Use the stencil properties AND Write to the color buffer. @SINCE_1_2_5
185 } // namespace RenderMode
187 namespace StencilFunction
191 * @brief Enumeration for the comparison function used on the stencil buffer.
196 NEVER, ///< Always fails @SINCE_1_1.43
197 LESS, ///< Passes if ( reference & mask ) < ( stencil & mask ) @SINCE_1_1.43
198 EQUAL, ///< Passes if ( reference & mask ) = ( stencil & mask ) @SINCE_1_1.43
199 LESS_EQUAL, ///< Passes if ( reference & mask ) <= ( stencil & mask ) @SINCE_1_1.43
200 GREATER, ///< Passes if ( reference & mask ) > ( stencil & mask ) @SINCE_1_1.43
201 NOT_EQUAL, ///< Passes if ( reference & mask ) != ( stencil & mask ) @SINCE_1_1.43
202 GREATER_EQUAL, ///< Passes if ( reference & mask ) >= ( stencil & mask ) @SINCE_1_1.43
203 ALWAYS, ///< Always passes @SINCE_1_1.43
206 } // namespace StencilFunction
208 namespace StencilOperation
212 * @brief Enumeration for specifying the action to take when the stencil (or depth) test fails during stencil test.
217 ZERO, ///< Sets the stencil buffer value to 0 @SINCE_1_1.43
218 KEEP, ///< Keeps the current value @SINCE_1_1.43
219 REPLACE, ///< Sets the stencil buffer value to ref, as specified by glStencilFunc @SINCE_1_1.43
220 INCREMENT, ///< Increments the current stencil buffer value. Clamps to the maximum representable unsigned value @SINCE_1_1.43
221 DECREMENT, ///< Decrements the current stencil buffer value. Clamps to 0 @SINCE_1_1.43
222 INVERT, ///< Bitwise inverts the current stencil buffer value @SINCE_1_1.43
223 INCREMENT_WRAP, ///< Increments the current stencil buffer value. Wraps stencil buffer value to zero when incrementing the maximum representable unsigned value @SINCE_1_1.43
224 DECREMENT_WRAP ///< Decrements the current stencil buffer value. Wraps stencil buffer value to the maximum representable unsigned value when decrementing a stencil buffer value of zero @SINCE_1_1.43
227 } // namespace StencilOperation
231 * @brief Renderer is a handle to an object used to show content by combining a Geometry, a TextureSet and a shader.
235 class DALI_CORE_API Renderer : public Handle
240 * @brief Enumeration for instances of properties belonging to the Renderer class.
246 * @brief Enumeration for instances of properties belonging to the Renderer class.
252 * @brief Name "depthIndex", type INTEGER.
254 * @note The default value is 0.
256 DEPTH_INDEX = DEFAULT_RENDERER_PROPERTY_START_INDEX,
259 * @brief Name "faceCullingMode", type INTEGER.
261 * @note The default value is FaceCullingMode::NONE.
266 * @brief Name "blendMode", type INTEGER.
268 * @note The default value is BlendMode::AUTO.
273 * @brief Name "blendEquationRgb", type INTEGER.
275 * @note The default value is BlendEquation::ADD.
280 * @brief Name "blendEquationAlpha", type INTEGER.
282 * @note The default value is BlendEquation::ADD.
284 BLEND_EQUATION_ALPHA,
287 * @brief Name "blendFactorSrcRgb", type INTEGER.
289 * @note The default value is BlendFactor::SRC_ALPHA.
291 BLEND_FACTOR_SRC_RGB,
294 * @brief Name "blendFactorDestRgb", type INTEGER.
296 * @note The default value is BlendFactor::ONE_MINUS_SRC_ALPHA.
298 BLEND_FACTOR_DEST_RGB,
301 * @brief Name "blendFactorSrcAlpha", type INTEGER.
303 * @note The default value is BlendFactor::ONE.
305 BLEND_FACTOR_SRC_ALPHA,
308 * @brief Name "blendFactorDestAlpha", type INTEGER.
310 * @note The default value is BlendFactor::ONE_MINUS_SRC_ALPHA.
312 BLEND_FACTOR_DEST_ALPHA,
315 * @brief Name "blendColor", type VECTOR4.
317 * @note The default value is Color::TRANSPARENT.
322 * @brief Name "blendPreMultipledAlpha", type BOOLEAN.
324 * @note The default value is false.
326 BLEND_PRE_MULTIPLIED_ALPHA,
329 * @brief Name "indexRangeFirst", type INTEGER.
331 * @note The default value is 0.
336 * @brief Name "indexRangeCount", type INTEGER.
338 * @note The default (0) means that whole range of indices will be used.
343 * @brief Name "depthWriteMode", type INTEGER.
345 * @see DepthWriteMode
346 * @note The default value is DepthWriteMode::AUTO.
351 * @brief Name "depthFunction", type INTEGER.
354 * @note The default value is DepthFunction::LESS.
359 * @brief Name "depthTestMode", type INTEGER.
362 * @note The default value is DepthTestMode::AUTO.
367 * @brief Name "renderMode", type INTEGER.
370 * @note The default value is RenderMode::AUTO.
375 * @brief Name "stencilFunction", type INTEGER.
377 * @see StencilFunction
378 * @note The default value is StencilFunction::ALWAYS.
383 * @brief Name "stencilFunctionMask", type INTEGER.
385 * @note The default value is 0xFF.
387 STENCIL_FUNCTION_MASK,
390 * @brief Name "stencilFunctionReference", type INTEGER.
392 * @note The default value is 0.
394 STENCIL_FUNCTION_REFERENCE,
397 * @brief Name "stencilMask", type INTEGER.
399 * @note The default value is 0xFF.
404 * @brief Name "stencilOperationOnFail", type INTEGER.
406 * @see StencilOperation
407 * @note The default value is StencilOperation::KEEP
409 STENCIL_OPERATION_ON_FAIL,
412 * @brief Name "stencilOperationOnZFail", type INTEGER.
414 * @see StencilOperation
415 * @note The default value is StencilOperation::KEEP.
417 STENCIL_OPERATION_ON_Z_FAIL,
420 * @brief Name "stencilOperationOnZPass", type INTEGER.
422 * @see StencilOperation
423 * @note The default value is StencilOperation::KEEP.
425 STENCIL_OPERATION_ON_Z_PASS,
430 * @brief Creates a new Renderer object.
433 * @param[in] geometry Geometry to be used by this renderer
434 * @param[in] shader Shader to be used by this renderer
435 * @return A handle to the Renderer
437 static Renderer New( Geometry& geometry, Shader& shader );
440 * @brief Default constructor, creates an empty handle
454 * @brief Copy constructor, creates a new handle to the same object.
457 * @param[in] handle Handle to an object
459 Renderer( const Renderer& handle );
462 * @brief Downcasts to a renderer handle.
463 * If not, a renderer the returned renderer handle is left uninitialized.
466 * @param[in] handle Handle to an object
467 * @return Renderer handle or an uninitialized handle
469 static Renderer DownCast( BaseHandle handle );
472 * @brief Assignment operator, changes this handle to point at the same object.
475 * @param[in] handle Handle to an object
476 * @return Reference to the assigned object
478 Renderer& operator=( const Renderer& handle );
481 * @brief Sets the geometry to be used by this renderer.
484 * @param[in] geometry The geometry to be used by this renderer
486 void SetGeometry( Geometry& geometry );
489 * @brief Gets the geometry used by this renderer.
492 * @return The geometry used by the renderer
494 Geometry GetGeometry() const;
497 * @brief Sets effective range of indices to draw from bound index buffer.
500 * @param[in] firstElement The First element to draw
501 * @param[in] elementsCount The number of elements to draw
503 inline void SetIndexRange( int firstElement, int elementsCount )
505 SetProperty( Property::INDEX_RANGE_FIRST, firstElement );
506 SetProperty( Property::INDEX_RANGE_COUNT, elementsCount );
510 * @brief Sets the texture set to be used by this renderer.
513 * @param[in] textureSet The texture set to be used by this renderer
515 void SetTextures( TextureSet& textureSet );
518 * @brief Gets the texture set used by this renderer.
521 * @return The texture set used by the renderer
523 TextureSet GetTextures() const;
526 * @brief Sets the shader used by this renderer.
529 * @param[in] shader The shader to be used by this renderer
531 void SetShader( Shader& shader );
534 * @brief Gets the shader used by this renderer.
537 * @return The shader used by the renderer
539 Shader GetShader() const;
544 * @brief The constructor.
545 * @note Not intended for application developers.
547 * @param[in] pointer A pointer to a newly allocated Renderer
549 explicit DALI_INTERNAL Renderer( Internal::Renderer* pointer );
557 #endif // DALI_RENDERER_H