mirror of https://github.com/axmolengine/axmol.git
377 lines
11 KiB
C++
377 lines
11 KiB
C++
/****************************************************************************
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Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
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Copyright (c) 2020 C4games Ltd.
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https://axis-project.github.io/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "Macros.h"
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#include <assert.h>
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#include <cstdint>
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#include <string>
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#include "base/bitmask.h"
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NS_AX_BACKEND_BEGIN
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enum class BufferUsage : uint32_t
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{
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STATIC,
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DYNAMIC
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};
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enum class BufferType : uint32_t
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{
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VERTEX,
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INDEX
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};
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enum class ShaderStage : uint32_t
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{
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VERTEX,
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FRAGMENT,
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VERTEX_AND_FRAGMENT
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};
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enum class VertexFormat : uint32_t
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{
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FLOAT4,
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FLOAT3,
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FLOAT2,
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FLOAT,
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INT4,
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INT3,
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INT2,
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INT,
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USHORT4,
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USHORT2,
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UBYTE4
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};
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/** @typedef backend::PixelFormat
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Possible texture pixel formats
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*/
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enum class PixelFormat : uint32_t
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{
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/* below is compression format */
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/* PVRTCV1, OpenGL support PVRTCv2, but Metal only support PVRTCv1*/
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//! 4-bit PVRTC-compressed texture: PVRTC4
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PVRTC4,
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//! 4-bit PVRTC-compressed texture: PVRTC4 (has alpha channel)
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PVRTC4A,
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//! 2-bit PVRTC-compressed texture: PVRTC2
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PVRTC2,
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//! 2-bit PVRTC-compressed texture: PVRTC2 (has alpha channel)
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PVRTC2A,
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//! ETC1-compressed texture: ETC1 4 BPP
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ETC1,
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//! ETC2-compressed texture: ETC2_RGB 4 BPP
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ETC2_RGB,
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//! ETC2-compressed texture: ETC2_RGBA 8 BPP
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ETC2_RGBA,
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//! S3TC-compressed texture: S3TC_Dxt1
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S3TC_DXT1,
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//! S3TC-compressed texture: S3TC_Dxt3
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S3TC_DXT3,
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//! S3TC-compressed texture: S3TC_Dxt5
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S3TC_DXT5,
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//! ATITC-compressed texture: ATC_RGB
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ATC_RGB,
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//! ATITC-compressed texture: ATC_EXPLICIT_ALPHA
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ATC_EXPLICIT_ALPHA,
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//! ATITC-compressed texture: ATC_INTERPOLATED_ALPHA
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ATC_INTERPOLATED_ALPHA,
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ASTC4x4, //!< ASTC 4x4 8.0 BPP
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ASTC5x5, //!< ASTC 5x5 5.12 BPP
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ASTC6x6, //!< ASTC 6x6 3.56 BPP
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ASTC8x5, //!< ASTC 8x5 3.20 BPP
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ASTC8x6, //!< ASTC 8x6 2.67 BPP
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ASTC8x8, //!< ASTC 8x8 2.0 BPP
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ASTC10x5, //!< ASTC 10x5 2.56 BPP
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//!!!Please append compression pixel format
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/* below is normal pixel format */
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//! 32-bit texture: RGBA8888
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RGBA8,
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//! 32-bit texture: BGRA8888
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BGRA8,
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//! 24-bit texture: RGBA888
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RGB8,
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//! 16-bit texture without Alpha channel
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RGB565, // !render as BGR565
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//! 16-bit textures: RGBA4444
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RGBA4, // !render as ABGR4
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//! 16-bit textures: RGB5A1
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RGB5A1, // !render as BGR5A1
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//! 8-bit textures used as masks
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A8,
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//! 8-bit Luminance texture
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L8,
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//! 16-bit Luminance with alpha used as masks
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LA8,
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//!!!Please append normal pixel format
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/* below is depth compression format */
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// A packed 32-bit combined depth and stencil pixel format with two nomorlized unsigned integer
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// components: 24 bits, typically used for a depth render target, and 8 bits, typically used for
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// a stencil render target.
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D24S8,
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//!!!Please append depth stencil pixel format
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/* the count of pixel format supported by axis */
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COUNT,
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NONE = 0xffff
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};
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enum class TextureUsage : uint32_t
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{
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READ,
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WRITE,
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RENDER_TARGET
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};
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enum class IndexFormat : uint32_t
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{
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U_SHORT = 1,
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U_INT = 2,
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};
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enum class VertexStepMode : uint32_t
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{
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VERTEX,
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INSTANCE
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};
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enum class PrimitiveType : uint32_t
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{
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POINT,
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LINE,
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LINE_LOOP,
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LINE_STRIP,
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TRIANGLE,
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TRIANGLE_STRIP
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};
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enum class TextureType : uint32_t
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{
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TEXTURE_2D,
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TEXTURE_CUBE
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};
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enum class SamplerAddressMode : uint32_t
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{
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REPEAT,
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MIRROR_REPEAT,
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CLAMP_TO_EDGE,
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DONT_CARE,
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};
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enum class SamplerFilter : uint32_t
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{
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NEAREST,
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NEAREST_MIPMAP_NEAREST,
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NEAREST_MIPMAP_LINEAR,
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LINEAR,
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LINEAR_MIPMAP_LINEAR,
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LINEAR_MIPMAP_NEAREST,
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DONT_CARE,
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};
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enum class StencilOperation : uint32_t
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{
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KEEP,
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ZERO,
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REPLACE,
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INVERT,
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INCREMENT_WRAP,
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DECREMENT_WRAP
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};
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enum class CompareFunction : uint32_t
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{
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NEVER,
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LESS,
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LESS_EQUAL,
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GREATER,
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GREATER_EQUAL,
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EQUAL,
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NOT_EQUAL,
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ALWAYS
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};
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enum class BlendOperation : uint32_t
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{
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ADD,
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SUBTRACT,
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RESERVE_SUBTRACT
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};
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enum class BlendFactor : uint32_t
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{
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ZERO,
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ONE,
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SRC_COLOR,
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ONE_MINUS_SRC_COLOR,
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SRC_ALPHA,
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ONE_MINUS_SRC_ALPHA,
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DST_COLOR,
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ONE_MINUS_DST_COLOR,
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DST_ALPHA,
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ONE_MINUS_DST_ALPHA,
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CONSTANT_ALPHA,
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SRC_ALPHA_SATURATE,
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ONE_MINUS_CONSTANT_ALPHA,
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BLEND_CLOLOR
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};
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enum class ColorWriteMask : uint32_t
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{
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RED_BIT = 0,
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GREEN_BIT = 1,
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BLUE_BIT = 2,
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ALPHA_BIT = 3,
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NONE = 0,
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RED = 1 << RED_BIT,
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GREEN = 1 << GREEN_BIT,
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BLUE = 1 << BLUE_BIT,
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ALPHA = 1 << ALPHA_BIT,
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ALL = 0x0000000F
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};
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AX_ENABLE_BITMASK_OPS(ColorWriteMask)
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AX_ENABLE_BITSHIFT_OPS(ColorWriteMask)
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/**
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* Bitmask for selecting render buffers
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*/
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enum class TargetBufferFlags : uint8_t
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{
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NONE = 0x0u, //!< No buffer selected.
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COLOR0 = 0x1u, //!< Color buffer selected.
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COLOR1 = 0x2u, //!< Color buffer selected.
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COLOR2 = 0x4u, //!< Color buffer selected.
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COLOR3 = 0x8u, //!< Color buffer selected.
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COLOR = COLOR0, //!< \deprecated
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COLOR_ALL = COLOR0 | COLOR1 | COLOR2 | COLOR3,
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DEPTH = 0x10u, //!< Depth buffer selected.
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STENCIL = 0x20u, //!< Stencil buffer selected.
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DEPTH_AND_STENCIL = DEPTH | STENCIL, //!< depth and stencil buffer selected.
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ALL = COLOR_ALL | DEPTH | STENCIL //!< Color, depth and stencil buffer selected.
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};
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AX_ENABLE_BITMASK_OPS(TargetBufferFlags)
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enum class DepthStencilFlags : unsigned int
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{
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NONE = 0,
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DEPTH_TEST = 1,
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DEPTH_WRITE = 1 << 1,
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STENCIL_TEST = 1 << 2,
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DEPTH_STENCIL_TEST = DEPTH_TEST | STENCIL_TEST,
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ALL = DEPTH_TEST | STENCIL_TEST | DEPTH_WRITE,
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};
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AX_ENABLE_BITMASK_OPS(DepthStencilFlags)
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AX_ENABLE_BITSHIFT_OPS(DepthStencilFlags)
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enum class CullMode : uint32_t
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{
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NONE = 0x00000000,
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BACK = 0x00000001,
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FRONT = 0x00000002
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};
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enum class Winding : uint32_t
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{
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CLOCK_WISE,
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COUNTER_CLOCK_WISE
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};
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enum class TextureCubeFace : uint32_t
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{
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POSITIVE_X = 0,
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NEGATIVE_X = 1,
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POSITIVE_Y = 2,
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NEGATIVE_Y = 3,
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POSITIVE_Z = 4,
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NEGATIVE_Z = 5
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};
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struct ProgramType
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{
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enum : uint32_t
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{
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POSITION_COLOR_LENGTH_TEXTURE, // positionColorLengthTexture_vert, positionColorLengthTexture_frag
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POSITION_COLOR_TEXTURE_AS_POINTSIZE, // positionColorTextureAsPointsize_vert, positionColor_frag
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POSITION_COLOR, // positionColor_vert, positionColor_frag
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POSITION_UCOLOR, // positionUColor_vert, positionUColor_frag
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POSITION_TEXTURE, // positionTexture_vert, positionTexture_frag
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POSITION_TEXTURE_COLOR, // positionTextureColor_vert, positionTextureColor_frag
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POSITION_TEXTURE_COLOR_ALPHA_TEST, // positionTextureColor_vert, positionTextureColorAlphaTest_frag
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LABEL_NORMAL, // positionTextureColor_vert, label_normal_frag
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LABLE_OUTLINE, // positionTextureColor_vert, labelOutline_frag
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LABLE_DISTANCEFIELD_GLOW, // positionTextureColor_vert, labelDistanceFieldGlow_frag
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LABEL_DISTANCE_NORMAL, // positionTextureColor_vert, label_distanceNormal_frag
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LAYER_RADIA_GRADIENT, // position_vert, layer_radialGradient_frag
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DUAL_SAMPLER,
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DUAL_SAMPLER_GRAY,
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ETC1 = DUAL_SAMPLER, // positionTextureColor_vert, etc1_frag
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ETC1_GRAY = DUAL_SAMPLER_GRAY, // positionTextureColor_vert, etc1Gray_frag
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GRAY_SCALE, // positionTextureColor_vert, grayScale_frag
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CAMERA_CLEAR, // cameraClear_vert, cameraClear_frag
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TERRAIN_3D, // CC3D_terrain_vert, CC3D_terrain_frag
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LINE_COLOR_3D, // lineColor3D_vert, lineColor3D_frag
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SKYBOX_3D, // CC3D_skybox_vert, CC3D_skybox_frag
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SKINPOSITION_TEXTURE_3D, // CC3D_skinPositionTexture_vert, CC3D_colorTexture_frag
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SKINPOSITION_NORMAL_TEXTURE_3D, // CC3D_skinPositionNormalTexture_vert, CC3D_colorNormalTexture_frag
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POSITION_NORMAL_TEXTURE_3D, // CC3D_positionNormalTexture_vert, CC3D_colorNormalTexture_frag
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POSITION_NORMAL_3D, // CC3D_positionNormalTexture_vert, CC3D_colorNormal_frag
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POSITION_TEXTURE_3D, // CC3D_positionTexture_vert, CC3D_colorTexture_frag
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POSITION_3D, // CC3D_positionTexture_vert, CC3D_color_frag
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POSITION_BUMPEDNORMAL_TEXTURE_3D, // CC3D_positionNormalTexture_vert, CC3D_colorNormalTexture_frag
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SKINPOSITION_BUMPEDNORMAL_TEXTURE_3D, // CC3D_skinPositionNormalTexture_vert, CC3D_colorNormalTexture_frag
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PARTICLE_TEXTURE_3D, // CC3D_particle_vert, CC3D_particleTexture_frag
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PARTICLE_COLOR_3D, // CC3D_particle_vert, CC3D_particleColor_frag
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QUAD_COLOR_2D, // CC2D_quad_vert, CC2D_quadColor_frag
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QUAD_TEXTURE_2D, // CC2D_quad_vert, CC2D_quadTexture_frag
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HSV,
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HSV_DUAL_SAMPLER,
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HSV_ETC1 = HSV_DUAL_SAMPLER,
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BUILTIN_COUNT,
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CUSTOM_PROGRAM = 0x1000, // user-define program, used by engine
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};
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};
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NS_AX_BACKEND_END
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