1 #ifndef DALI_RENDERER_H
2 #define DALI_RENDERER_H
5 * Copyright (c) 2022 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
32 * @addtogroup dali_core_rendering_effects
36 namespace Internal DALI_INTERNAL
41 namespace FaceCullingMode
44 * @brief Enumeration for face culling mode.
49 NONE, ///< None of the faces should be culled @SINCE_1_1.43
50 FRONT, ///< Cull front face, front faces should never be shown @SINCE_1_1.43
51 BACK, ///< Cull back face, back faces should never be shown @SINCE_1_1.43
52 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
55 } // 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
68 ON_WITHOUT_CULL ///< Blending is enabled, and don't cull the renderer @SINCE_2_0.43
71 } // namespace BlendMode
73 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
91 * @brief Enumeration for blend factor.
96 ZERO = 0, ///< ZERO @SINCE_1_1.43
97 ONE = 1, ///< ONE @SINCE_1_1.43
98 SRC_COLOR = 0x0300, ///< SRC_COLOR @SINCE_1_1.43
99 ONE_MINUS_SRC_COLOR = 0x0301, ///< ONE_MINUS_SRC_COLOR @SINCE_1_1.43
100 SRC_ALPHA = 0x0302, ///< SRC_ALPHA @SINCE_1_1.43
101 ONE_MINUS_SRC_ALPHA = 0x0303, ///< ONE_MINUS_SRC_ALPHA @SINCE_1_1.43
102 DST_ALPHA = 0x0304, ///< DST_ALPHA @SINCE_1_1.43
103 ONE_MINUS_DST_ALPHA = 0x0305, ///< ONE_MINUS_DST_ALPHA @SINCE_1_1.43
104 DST_COLOR = 0x0306, ///< DST_COLOR @SINCE_1_1.43
105 ONE_MINUS_DST_COLOR = 0x0307, ///< ONE_MINUS_DST_COLOR @SINCE_1_1.43
106 SRC_ALPHA_SATURATE = 0x0308, ///< SRC_ALPHA_SATURATE @SINCE_1_1.43
107 CONSTANT_COLOR = 0x8001, ///< CONSTANT_COLOR @SINCE_1_1.43
108 ONE_MINUS_CONSTANT_COLOR = 0x8002, ///< ONE_MINUS_CONSTANT_COLOR @SINCE_1_1.43
109 CONSTANT_ALPHA = 0x8003, ///< CONSTANT_ALPHA @SINCE_1_1.43
110 ONE_MINUS_CONSTANT_ALPHA = 0x8004 ///< ONE_MINUS_CONSTANT_ALPHA @SINCE_1_1.43
113 } // namespace BlendFactor
115 namespace DepthWriteMode
118 * @brief Enumeration for depth buffer write modes.
123 OFF, ///< Renderer doesn't write to the depth buffer @SINCE_1_1.43
124 AUTO, ///< Renderer only writes to the depth buffer if it's opaque @SINCE_1_1.43
125 ON ///< Renderer writes to the depth buffer @SINCE_1_1.43
128 } // namespace DepthWriteMode
130 namespace DepthTestMode
133 * @brief Enumeration for depth buffer test (read) modes.
138 OFF, ///< Renderer does not read from the depth buffer @SINCE_1_1.43
139 AUTO, ///< Renderer only reads from the depth buffer if in a 3D layer @SINCE_1_1.43
140 ON ///< Renderer reads from the depth buffer based on the DepthFunction @SINCE_1_1.43
143 } // namespace DepthTestMode
145 namespace DepthFunction
148 * @brief Enumeration for depth functions.
153 NEVER, ///< Depth test never passes @SINCE_1_1.43
154 ALWAYS, ///< Depth test always passes @SINCE_1_1.43
155 LESS, ///< Depth test passes if the incoming depth value is less than the stored depth value @SINCE_1_1.43
156 GREATER, ///< Depth test passes if the incoming depth value is greater than the stored depth value @SINCE_1_1.43
157 EQUAL, ///< Depth test passes if the incoming depth value is equal to the stored depth value @SINCE_1_1.43
158 NOT_EQUAL, ///< Depth test passes if the incoming depth value is not equal to the stored depth value @SINCE_1_1.43
159 LESS_EQUAL, ///< Depth test passes if the incoming depth value is less than or equal to the stored depth value @SINCE_1_1.43
160 GREATER_EQUAL ///< Depth test passes if the incoming depth value is greater than or equal to the stored depth value @SINCE_1_1.43
163 } // namespace DepthFunction
168 * @brief Enumeration for the controls of how this renderer uses its stencil properties and writes to the color buffer.
173 NONE, ///< Do not write to either color or stencil buffer (But will potentially render to depth buffer). @SINCE_1_2_5
174 AUTO, ///< Managed by the Actor Clipping API. This is the default. @SINCE_1_2_5
175 COLOR, ///< Ingore stencil properties. Write to the color buffer. @SINCE_1_2_5
176 STENCIL, ///< Use the stencil properties. Do not write to the color buffer. @SINCE_1_2_5
177 COLOR_STENCIL ///< Use the stencil properties AND Write to the color buffer. @SINCE_1_2_5
180 } // namespace RenderMode
182 namespace StencilFunction
185 * @brief Enumeration for the comparison function used on the stencil buffer.
190 NEVER, ///< Always fails @SINCE_1_1.43
191 LESS, ///< Passes if ( reference & mask ) < ( stencil & mask ) @SINCE_1_1.43
192 EQUAL, ///< Passes if ( reference & mask ) = ( stencil & mask ) @SINCE_1_1.43
193 LESS_EQUAL, ///< Passes if ( reference & mask ) <= ( stencil & mask ) @SINCE_1_1.43
194 GREATER, ///< Passes if ( reference & mask ) > ( stencil & mask ) @SINCE_1_1.43
195 NOT_EQUAL, ///< Passes if ( reference & mask ) != ( stencil & mask ) @SINCE_1_1.43
196 GREATER_EQUAL, ///< Passes if ( reference & mask ) >= ( stencil & mask ) @SINCE_1_1.43
197 ALWAYS, ///< Always passes @SINCE_1_1.43
200 } // namespace StencilFunction
202 namespace StencilOperation
205 * @brief Enumeration for specifying the action to take when the stencil (or depth) test fails during stencil test.
210 ZERO, ///< Sets the stencil buffer value to 0 @SINCE_1_1.43
211 KEEP, ///< Keeps the current value @SINCE_1_1.43
212 REPLACE, ///< Sets the stencil buffer value to ref, as specified by glStencilFunc @SINCE_1_1.43
213 INCREMENT, ///< Increments the current stencil buffer value. Clamps to the maximum representable unsigned value @SINCE_1_1.43
214 DECREMENT, ///< Decrements the current stencil buffer value. Clamps to 0 @SINCE_1_1.43
215 INVERT, ///< Bitwise inverts the current stencil buffer value @SINCE_1_1.43
216 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
217 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
220 } // namespace StencilOperation
223 * @brief Renderer is a handle to an object used to show content by combining a Geometry, a TextureSet and a shader.
227 class DALI_CORE_API Renderer : public Handle
231 * @brief Enumeration for instances of properties belonging to the Renderer class.
237 * @brief Enumeration for instances of properties belonging to the Renderer class.
243 * @brief Name "depthIndex", type INTEGER.
245 * @note The default value is 0.
247 DEPTH_INDEX = DEFAULT_RENDERER_PROPERTY_START_INDEX,
250 * @brief Name "faceCullingMode", type INTEGER.
252 * @note The default value is FaceCullingMode::NONE.
257 * @brief Name "blendMode", type INTEGER.
259 * @note The default value is BlendMode::AUTO.
264 * @brief Name "blendEquationRgb", type INTEGER.
266 * @note The default value is BlendEquation::ADD.
271 * @brief Name "blendEquationAlpha", type INTEGER.
273 * @note The default value is BlendEquation::ADD.
275 BLEND_EQUATION_ALPHA,
278 * @brief Name "blendFactorSrcRgb", type INTEGER.
280 * @note The default value is BlendFactor::SRC_ALPHA.
282 BLEND_FACTOR_SRC_RGB,
285 * @brief Name "blendFactorDestRgb", type INTEGER.
287 * @note The default value is BlendFactor::ONE_MINUS_SRC_ALPHA.
289 BLEND_FACTOR_DEST_RGB,
292 * @brief Name "blendFactorSrcAlpha", type INTEGER.
294 * @note The default value is BlendFactor::ONE.
296 BLEND_FACTOR_SRC_ALPHA,
299 * @brief Name "blendFactorDestAlpha", type INTEGER.
301 * @note The default value is BlendFactor::ONE_MINUS_SRC_ALPHA.
303 BLEND_FACTOR_DEST_ALPHA,
306 * @brief Name "blendColor", type VECTOR4.
308 * @note The default value is Color::TRANSPARENT.
313 * @brief Name "blendPreMultipledAlpha", type BOOLEAN.
315 * @note The default value is false.
317 BLEND_PRE_MULTIPLIED_ALPHA,
320 * @brief Name "indexRangeFirst", type INTEGER.
322 * @note The default value is 0.
327 * @brief Name "indexRangeCount", type INTEGER.
329 * @note The default (0) means that whole range of indices will be used.
334 * @brief Name "depthWriteMode", type INTEGER.
336 * @see DepthWriteMode
337 * @note The default value is DepthWriteMode::AUTO.
342 * @brief Name "depthFunction", type INTEGER.
345 * @note The default value is DepthFunction::LESS.
350 * @brief Name "depthTestMode", type INTEGER.
353 * @note The default value is DepthTestMode::AUTO.
358 * @brief Name "renderMode", type INTEGER.
361 * @note The default value is RenderMode::AUTO.
366 * @brief Name "stencilFunction", type INTEGER.
368 * @see StencilFunction
369 * @note The default value is StencilFunction::ALWAYS.
374 * @brief Name "stencilFunctionMask", type INTEGER.
376 * @note The default value is 0xFF.
378 STENCIL_FUNCTION_MASK,
381 * @brief Name "stencilFunctionReference", type INTEGER.
383 * @note The default value is 0.
385 STENCIL_FUNCTION_REFERENCE,
388 * @brief Name "stencilMask", type INTEGER.
390 * @note The default value is 0xFF.
395 * @brief Name "stencilOperationOnFail", type INTEGER.
397 * @see StencilOperation
398 * @note The default value is StencilOperation::KEEP
400 STENCIL_OPERATION_ON_FAIL,
403 * @brief Name "stencilOperationOnZFail", type INTEGER.
405 * @see StencilOperation
406 * @note The default value is StencilOperation::KEEP.
408 STENCIL_OPERATION_ON_Z_FAIL,
411 * @brief Name "stencilOperationOnZPass", type INTEGER.
413 * @see StencilOperation
414 * @note The default value is StencilOperation::KEEP.
416 STENCIL_OPERATION_ON_Z_PASS,
421 * @brief Creates a new Renderer object.
424 * @param[in] geometry Geometry to be used by this renderer
425 * @param[in] shader Shader to be used by this renderer
426 * @return A handle to the Renderer
428 static Renderer New(Geometry& geometry, Shader& shader);
431 * @brief Default constructor, creates an empty handle
445 * @brief Copy constructor, creates a new handle to the same object.
448 * @param[in] handle Handle to an object
450 Renderer(const Renderer& handle);
453 * @brief Downcasts to a renderer handle.
454 * If not, a renderer the returned renderer handle is left uninitialized.
457 * @param[in] handle Handle to an object
458 * @return Renderer handle or an uninitialized handle
460 static Renderer DownCast(BaseHandle handle);
463 * @brief Assignment operator, changes this handle to point at the same object.
466 * @param[in] handle Handle to an object
467 * @return Reference to the assigned object
469 Renderer& operator=(const Renderer& handle);
472 * @brief Move constructor.
475 * @param[in] rhs A reference to the moved handle
477 Renderer(Renderer&& rhs);
480 * @brief Move assignment operator.
483 * @param[in] rhs A reference to the moved handle
484 * @return A reference to this handle
486 Renderer& operator=(Renderer&& rhs);
489 * @brief Sets the geometry to be used by this renderer.
492 * @param[in] geometry The geometry to be used by this renderer
494 void SetGeometry(Geometry& geometry);
497 * @brief Gets the geometry used by this renderer.
500 * @return The geometry used by the renderer
502 Geometry GetGeometry() const;
505 * @brief Sets effective range of indices to draw from bound index buffer.
508 * @param[in] firstElement The First element to draw
509 * @param[in] elementsCount The number of elements to draw
511 inline void SetIndexRange(int firstElement, int elementsCount)
513 SetProperty(Property::INDEX_RANGE_FIRST, firstElement);
514 SetProperty(Property::INDEX_RANGE_COUNT, elementsCount);
518 * @brief Sets the texture set to be used by this renderer.
521 * @param[in] textureSet The texture set to be used by this renderer
523 void SetTextures(TextureSet& textureSet);
526 * @brief Gets the texture set used by this renderer.
529 * @return The texture set used by the renderer
531 TextureSet GetTextures() const;
534 * @brief Sets the shader used by this renderer.
537 * @param[in] shader The shader to be used by this renderer
539 void SetShader(Shader& shader);
542 * @brief Gets the shader used by this renderer.
545 * @return The shader used by the renderer
547 Shader GetShader() const;
550 * @brief Sets RenderCallback to be used for native rendering
553 * @param[in] callback Pointer to a valid RenderCallback object
555 void SetRenderCallback(RenderCallback* callback);
560 * @brief The constructor.
561 * @note Not intended for application developers.
563 * @param[in] pointer A pointer to a newly allocated Renderer
565 explicit DALI_INTERNAL Renderer(Internal::Renderer* pointer);
574 #endif // DALI_RENDERER_H