mirror of
https://github.com/love2d/love.git
synced 2026-08-15 15:51:12 +02:00
Alex Szpakowski
133 lines
2.5 KiB
C++
133 lines
2.5 KiB
C++
/**
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* Copyright (c) 2006-2017 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#pragma once
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// LOVE
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#include "common/int.h"
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#include "Color.h"
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// C
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#include <stddef.h>
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namespace love
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{
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namespace graphics
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{
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// Vertex attribute indices used in shaders by LOVE. The values map to OpenGL
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// generic vertex attribute indices.
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enum VertexAttribID
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{
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ATTRIB_POS = 0,
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ATTRIB_TEXCOORD,
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ATTRIB_COLOR,
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ATTRIB_CONSTANTCOLOR,
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ATTRIB_MAX_ENUM
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};
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enum VertexAttribFlags
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{
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ATTRIBFLAG_POS = 1 << ATTRIB_POS,
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ATTRIBFLAG_TEXCOORD = 1 << ATTRIB_TEXCOORD,
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ATTRIBFLAG_COLOR = 1 << ATTRIB_COLOR,
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ATTRIBFLAG_CONSTANTCOLOR = 1 << ATTRIB_CONSTANTCOLOR
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};
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enum BufferType
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{
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BUFFER_VERTEX = 0,
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BUFFER_INDEX,
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BUFFER_MAX_ENUM
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};
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namespace vertex
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{
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// The expected usage pattern of vertex data.
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enum Usage
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{
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USAGE_STREAM,
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USAGE_DYNAMIC,
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USAGE_STATIC,
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USAGE_MAX_ENUM
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};
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enum class PrimitiveMode
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{
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TRIANGLES,
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POINTS,
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};
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enum class TriangleIndexMode
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{
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NONE,
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STRIP,
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FAN,
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QUADS,
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};
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enum class CommonFormat
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{
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NONE,
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XYf,
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RGBAub,
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XYf_STf,
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XYf_STf_RGBAub,
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XYf_STus_RGBAub,
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};
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struct XYf_STf
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{
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float x, y;
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float s, t;
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};
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struct XYf_STf_RGBAub
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{
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float x, y;
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float s, t;
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Color color;
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};
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struct XYf_STus_RGBAub
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{
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float x, y;
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uint16 s, t;
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Color color;
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};
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size_t getFormatStride(CommonFormat format);
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int getIndexCount(TriangleIndexMode mode, int vertexCount);
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void fillIndices(TriangleIndexMode mode, uint16 vertexStart, uint16 vertexCount, uint16 *indices);
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void fillIndices(TriangleIndexMode mode, uint32 vertexStart, uint32 vertexCount, uint32 *indices);
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bool getConstant(const char *in, Usage &out);
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bool getConstant(Usage in, const char *&out);
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} // vertex
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typedef vertex::XYf_STf_RGBAub Vertex;
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} // graphics
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} // love
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