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
30 * @addtogroup dali_core_rendering_effects
34 namespace Internal DALI_INTERNAL
39 namespace FaceCullingMode
42 * @brief Enumeration for face culling mode.
47 NONE, ///< None of the faces should be culled @SINCE_1_1.43
48 FRONT, ///< Cull front face, front faces should never be shown @SINCE_1_1.43
49 BACK, ///< Cull back face, back faces should never be shown @SINCE_1_1.43
50 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
53 } // namespace FaceCullingMode
58 * @brief Enumeration for blend mode.
63 OFF, ///< Blending is disabled. @SINCE_1_1.43
64 AUTO, ///< Blending is enabled if there is alpha channel. This is the default mode. @SINCE_1_1.43
65 ON, ///< Blending is enabled. @SINCE_1_1.43
66 ON_WITHOUT_CULL ///< Blending is enabled, and don't cull the renderer @SINCE_2_0.43
69 } // namespace BlendMode
71 namespace BlendEquation
74 * @brief Enumeration for blend equation.
79 ADD = 0x8006, ///< The source and destination colors are added to each other. @SINCE_1_1.43
80 SUBTRACT = 0x800A, ///< Subtracts the destination from the source. @SINCE_1_1.43
81 REVERSE_SUBTRACT = 0x800B ///< Subtracts the source from the destination. @SINCE_1_1.43
84 } // namespace BlendEquation
89 * @brief Enumeration for blend factor.
94 ZERO = 0, ///< ZERO @SINCE_1_1.43
95 ONE = 1, ///< ONE @SINCE_1_1.43
96 SRC_COLOR = 0x0300, ///< SRC_COLOR @SINCE_1_1.43
97 ONE_MINUS_SRC_COLOR = 0x0301, ///< ONE_MINUS_SRC_COLOR @SINCE_1_1.43
98 SRC_ALPHA = 0x0302, ///< SRC_ALPHA @SINCE_1_1.43
99 ONE_MINUS_SRC_ALPHA = 0x0303, ///< ONE_MINUS_SRC_ALPHA @SINCE_1_1.43
100 DST_ALPHA = 0x0304, ///< DST_ALPHA @SINCE_1_1.43
101 ONE_MINUS_DST_ALPHA = 0x0305, ///< ONE_MINUS_DST_ALPHA @SINCE_1_1.43
102 DST_COLOR = 0x0306, ///< DST_COLOR @SINCE_1_1.43
103 ONE_MINUS_DST_COLOR = 0x0307, ///< ONE_MINUS_DST_COLOR @SINCE_1_1.43
104 SRC_ALPHA_SATURATE = 0x0308, ///< SRC_ALPHA_SATURATE @SINCE_1_1.43
105 CONSTANT_COLOR = 0x8001, ///< CONSTANT_COLOR @SINCE_1_1.43
106 ONE_MINUS_CONSTANT_COLOR = 0x8002, ///< ONE_MINUS_CONSTANT_COLOR @SINCE_1_1.43
107 CONSTANT_ALPHA = 0x8003, ///< CONSTANT_ALPHA @SINCE_1_1.43
108 ONE_MINUS_CONSTANT_ALPHA = 0x8004 ///< ONE_MINUS_CONSTANT_ALPHA @SINCE_1_1.43
111 } // namespace BlendFactor
113 namespace DepthWriteMode
116 * @brief Enumeration for depth buffer write modes.
121 OFF, ///< Renderer doesn't write to the depth buffer @SINCE_1_1.43
122 AUTO, ///< Renderer only writes to the depth buffer if it's opaque @SINCE_1_1.43
123 ON ///< Renderer writes to the depth buffer @SINCE_1_1.43
126 } // namespace DepthWriteMode
128 namespace DepthTestMode
131 * @brief Enumeration for depth buffer test (read) modes.
136 OFF, ///< Renderer does not read from the depth buffer @SINCE_1_1.43
137 AUTO, ///< Renderer only reads from the depth buffer if in a 3D layer @SINCE_1_1.43
138 ON ///< Renderer reads from the depth buffer based on the DepthFunction @SINCE_1_1.43
141 } // namespace DepthTestMode
143 namespace DepthFunction
146 * @brief Enumeration for depth functions.
151 NEVER, ///< Depth test never passes @SINCE_1_1.43
152 ALWAYS, ///< Depth test always passes @SINCE_1_1.43
153 LESS, ///< Depth test passes if the incoming depth value is less than the stored depth value @SINCE_1_1.43
154 GREATER, ///< Depth test passes if the incoming depth value is greater than the stored depth value @SINCE_1_1.43
155 EQUAL, ///< Depth test passes if the incoming depth value is equal to the stored depth value @SINCE_1_1.43
156 NOT_EQUAL, ///< Depth test passes if the incoming depth value is not equal to the stored depth value @SINCE_1_1.43
157 LESS_EQUAL, ///< Depth test passes if the incoming depth value is less than or equal to the stored depth value @SINCE_1_1.43
158 GREATER_EQUAL ///< Depth test passes if the incoming depth value is greater than or equal to the stored depth value @SINCE_1_1.43
161 } // namespace DepthFunction
166 * @brief Enumeration for the controls of how this renderer uses its stencil properties and writes to the color buffer.
171 NONE, ///< Do not write to either color or stencil buffer (But will potentially render to depth buffer). @SINCE_1_2_5
172 AUTO, ///< Managed by the Actor Clipping API. This is the default. @SINCE_1_2_5
173 COLOR, ///< Ingore stencil properties. Write to the color buffer. @SINCE_1_2_5
174 STENCIL, ///< Use the stencil properties. Do not write to the color buffer. @SINCE_1_2_5
175 COLOR_STENCIL ///< Use the stencil properties AND Write to the color buffer. @SINCE_1_2_5
178 } // namespace RenderMode
180 namespace StencilFunction
183 * @brief Enumeration for the comparison function used on the stencil buffer.
188 NEVER, ///< Always fails @SINCE_1_1.43
189 LESS, ///< Passes if ( reference & mask ) < ( stencil & mask ) @SINCE_1_1.43
190 EQUAL, ///< Passes if ( reference & mask ) = ( stencil & mask ) @SINCE_1_1.43
191 LESS_EQUAL, ///< Passes if ( reference & mask ) <= ( stencil & mask ) @SINCE_1_1.43
192 GREATER, ///< Passes if ( reference & mask ) > ( stencil & mask ) @SINCE_1_1.43
193 NOT_EQUAL, ///< Passes if ( reference & mask ) != ( stencil & mask ) @SINCE_1_1.43
194 GREATER_EQUAL, ///< Passes if ( reference & mask ) >= ( stencil & mask ) @SINCE_1_1.43
195 ALWAYS, ///< Always passes @SINCE_1_1.43
198 } // namespace StencilFunction
200 namespace StencilOperation
203 * @brief Enumeration for specifying the action to take when the stencil (or depth) test fails during stencil test.
208 ZERO, ///< Sets the stencil buffer value to 0 @SINCE_1_1.43
209 KEEP, ///< Keeps the current value @SINCE_1_1.43
210 REPLACE, ///< Sets the stencil buffer value to ref, as specified by glStencilFunc @SINCE_1_1.43
211 INCREMENT, ///< Increments the current stencil buffer value. Clamps to the maximum representable unsigned value @SINCE_1_1.43
212 DECREMENT, ///< Decrements the current stencil buffer value. Clamps to 0 @SINCE_1_1.43
213 INVERT, ///< Bitwise inverts the current stencil buffer value @SINCE_1_1.43
214 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
215 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
218 } // namespace StencilOperation
221 * @brief Renderer is a handle to an object used to show content by combining a Geometry, a TextureSet and a shader.
225 class DALI_CORE_API Renderer : public Handle
229 * @brief Enumeration for instances of properties belonging to the Renderer class.
235 * @brief Enumeration for instances of properties belonging to the Renderer class.
241 * @brief Name "depthIndex", type INTEGER.
243 * @note The default value is 0.
245 DEPTH_INDEX = DEFAULT_RENDERER_PROPERTY_START_INDEX,
248 * @brief Name "faceCullingMode", type INTEGER.
250 * @note The default value is FaceCullingMode::NONE.
255 * @brief Name "blendMode", type INTEGER.
257 * @note The default value is BlendMode::AUTO.
262 * @brief Name "blendEquationRgb", type INTEGER.
264 * @note The default value is BlendEquation::ADD.
269 * @brief Name "blendEquationAlpha", type INTEGER.
271 * @note The default value is BlendEquation::ADD.
273 BLEND_EQUATION_ALPHA,
276 * @brief Name "blendFactorSrcRgb", type INTEGER.
278 * @note The default value is BlendFactor::SRC_ALPHA.
280 BLEND_FACTOR_SRC_RGB,
283 * @brief Name "blendFactorDestRgb", type INTEGER.
285 * @note The default value is BlendFactor::ONE_MINUS_SRC_ALPHA.
287 BLEND_FACTOR_DEST_RGB,
290 * @brief Name "blendFactorSrcAlpha", type INTEGER.
292 * @note The default value is BlendFactor::ONE.
294 BLEND_FACTOR_SRC_ALPHA,
297 * @brief Name "blendFactorDestAlpha", type INTEGER.
299 * @note The default value is BlendFactor::ONE_MINUS_SRC_ALPHA.
301 BLEND_FACTOR_DEST_ALPHA,
304 * @brief Name "blendColor", type VECTOR4.
306 * @note The default value is Color::TRANSPARENT.
311 * @brief Name "blendPreMultipledAlpha", type BOOLEAN.
313 * @note The default value is false.
315 BLEND_PRE_MULTIPLIED_ALPHA,
318 * @brief Name "indexRangeFirst", type INTEGER.
320 * @note The default value is 0.
325 * @brief Name "indexRangeCount", type INTEGER.
327 * @note The default (0) means that whole range of indices will be used.
332 * @brief Name "depthWriteMode", type INTEGER.
334 * @see DepthWriteMode
335 * @note The default value is DepthWriteMode::AUTO.
340 * @brief Name "depthFunction", type INTEGER.
343 * @note The default value is DepthFunction::LESS.
348 * @brief Name "depthTestMode", type INTEGER.
351 * @note The default value is DepthTestMode::AUTO.
356 * @brief Name "renderMode", type INTEGER.
359 * @note The default value is RenderMode::AUTO.
364 * @brief Name "stencilFunction", type INTEGER.
366 * @see StencilFunction
367 * @note The default value is StencilFunction::ALWAYS.
372 * @brief Name "stencilFunctionMask", type INTEGER.
374 * @note The default value is 0xFF.
376 STENCIL_FUNCTION_MASK,
379 * @brief Name "stencilFunctionReference", type INTEGER.
381 * @note The default value is 0.
383 STENCIL_FUNCTION_REFERENCE,
386 * @brief Name "stencilMask", type INTEGER.
388 * @note The default value is 0xFF.
393 * @brief Name "stencilOperationOnFail", type INTEGER.
395 * @see StencilOperation
396 * @note The default value is StencilOperation::KEEP
398 STENCIL_OPERATION_ON_FAIL,
401 * @brief Name "stencilOperationOnZFail", type INTEGER.
403 * @see StencilOperation
404 * @note The default value is StencilOperation::KEEP.
406 STENCIL_OPERATION_ON_Z_FAIL,
409 * @brief Name "stencilOperationOnZPass", type INTEGER.
411 * @see StencilOperation
412 * @note The default value is StencilOperation::KEEP.
414 STENCIL_OPERATION_ON_Z_PASS,
419 * @brief Creates a new Renderer object.
422 * @param[in] geometry Geometry to be used by this renderer
423 * @param[in] shader Shader to be used by this renderer
424 * @return A handle to the Renderer
426 static Renderer New(Geometry& geometry, Shader& shader);
429 * @brief Default constructor, creates an empty handle
443 * @brief Copy constructor, creates a new handle to the same object.
446 * @param[in] handle Handle to an object
448 Renderer(const Renderer& handle);
451 * @brief Downcasts to a renderer handle.
452 * If not, a renderer the returned renderer handle is left uninitialized.
455 * @param[in] handle Handle to an object
456 * @return Renderer handle or an uninitialized handle
458 static Renderer DownCast(BaseHandle handle);
461 * @brief Assignment operator, changes this handle to point at the same object.
464 * @param[in] handle Handle to an object
465 * @return Reference to the assigned object
467 Renderer& operator=(const Renderer& handle);
470 * @brief Move constructor.
473 * @param[in] rhs A reference to the moved handle
475 Renderer(Renderer&& rhs);
478 * @brief Move assignment operator.
481 * @param[in] rhs A reference to the moved handle
482 * @return A reference to this handle
484 Renderer& operator=(Renderer&& rhs);
487 * @brief Sets the geometry to be used by this renderer.
490 * @param[in] geometry The geometry to be used by this renderer
492 void SetGeometry(Geometry& geometry);
495 * @brief Gets the geometry used by this renderer.
498 * @return The geometry used by the renderer
500 Geometry GetGeometry() const;
503 * @brief Sets effective range of indices to draw from bound index buffer.
506 * @param[in] firstElement The First element to draw
507 * @param[in] elementsCount The number of elements to draw
509 inline void SetIndexRange(int firstElement, int elementsCount)
511 SetProperty(Property::INDEX_RANGE_FIRST, firstElement);
512 SetProperty(Property::INDEX_RANGE_COUNT, elementsCount);
516 * @brief Sets the texture set to be used by this renderer.
519 * @param[in] textureSet The texture set to be used by this renderer
521 void SetTextures(TextureSet& textureSet);
524 * @brief Gets the texture set used by this renderer.
527 * @return The texture set used by the renderer
529 TextureSet GetTextures() const;
532 * @brief Sets the shader used by this renderer.
535 * @param[in] shader The shader to be used by this renderer
537 void SetShader(Shader& shader);
540 * @brief Gets the shader used by this renderer.
543 * @return The shader used by the renderer
545 Shader GetShader() const;
550 * @brief The constructor.
551 * @note Not intended for application developers.
553 * @param[in] pointer A pointer to a newly allocated Renderer
555 explicit DALI_INTERNAL Renderer(Internal::Renderer* pointer);
564 #endif // DALI_RENDERER_H