mirror of
https://github.com/love2d/love.git
synced 2026-08-15 15:51:12 +02:00
Alex Szpakowski
f12596dd19
Move all love.graphics functionality that doesn’t call OpenGL out of the OpenGL backend Graphics class. --HG-- branch : minor
133 lines
2.5 KiB
C++
133 lines
2.5 KiB
C++
/**
|
|
* Copyright (c) 2006-2016 LOVE Development Team
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the authors be held liable for any damages
|
|
* arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you must not
|
|
* claim that you wrote the original software. If you use this software
|
|
* in a product, an acknowledgment in the product documentation would be
|
|
* appreciated but is not required.
|
|
* 2. Altered source versions must be plainly marked as such, and must not be
|
|
* misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
**/
|
|
|
|
#pragma once
|
|
|
|
// LOVE
|
|
#include "common/int.h"
|
|
#include "Color.h"
|
|
|
|
// C
|
|
#include <stddef.h>
|
|
|
|
namespace love
|
|
{
|
|
namespace graphics
|
|
{
|
|
|
|
// Vertex attribute indices used in shaders by LOVE. The values map to OpenGL
|
|
// generic vertex attribute indices.
|
|
enum VertexAttribID
|
|
{
|
|
ATTRIB_POS = 0,
|
|
ATTRIB_TEXCOORD,
|
|
ATTRIB_COLOR,
|
|
ATTRIB_CONSTANTCOLOR,
|
|
ATTRIB_MAX_ENUM
|
|
};
|
|
|
|
enum VertexAttribFlags
|
|
{
|
|
ATTRIBFLAG_POS = 1 << ATTRIB_POS,
|
|
ATTRIBFLAG_TEXCOORD = 1 << ATTRIB_TEXCOORD,
|
|
ATTRIBFLAG_COLOR = 1 << ATTRIB_COLOR,
|
|
ATTRIBFLAG_CONSTANTCOLOR = 1 << ATTRIB_CONSTANTCOLOR
|
|
};
|
|
|
|
enum BufferType
|
|
{
|
|
BUFFER_VERTEX = 0,
|
|
BUFFER_INDEX,
|
|
BUFFER_MAX_ENUM
|
|
};
|
|
|
|
namespace vertex
|
|
{
|
|
|
|
// The expected usage pattern of vertex data.
|
|
enum Usage
|
|
{
|
|
USAGE_STREAM,
|
|
USAGE_DYNAMIC,
|
|
USAGE_STATIC,
|
|
USAGE_MAX_ENUM
|
|
};
|
|
|
|
enum class PrimitiveMode
|
|
{
|
|
TRIANGLES,
|
|
POINTS,
|
|
};
|
|
|
|
enum class TriangleIndexMode
|
|
{
|
|
NONE,
|
|
STRIP,
|
|
FAN,
|
|
QUADS,
|
|
};
|
|
|
|
enum class CommonFormat
|
|
{
|
|
NONE,
|
|
XYf,
|
|
RGBAub,
|
|
XYf_STf,
|
|
XYf_STf_RGBAub,
|
|
XYf_STus_RGBAub,
|
|
};
|
|
|
|
struct XYf_STf
|
|
{
|
|
float x, y;
|
|
float s, t;
|
|
};
|
|
|
|
struct XYf_STf_RGBAub
|
|
{
|
|
float x, y;
|
|
float s, t;
|
|
Color color;
|
|
};
|
|
|
|
struct XYf_STus_RGBAub
|
|
{
|
|
float x, y;
|
|
uint16 s, t;
|
|
Color color;
|
|
};
|
|
|
|
size_t getFormatStride(CommonFormat format);
|
|
|
|
int getIndexCount(TriangleIndexMode mode, int vertexCount);
|
|
|
|
void fillIndices(TriangleIndexMode mode, uint16 vertexStart, uint16 vertexCount, uint16 *indices);
|
|
void fillIndices(TriangleIndexMode mode, uint32 vertexStart, uint32 vertexCount, uint32 *indices);
|
|
|
|
bool getConstant(const char *in, Usage &out);
|
|
bool getConstant(Usage in, const char *&out);
|
|
|
|
} // vertex
|
|
|
|
typedef vertex::XYf_STf_RGBAub Vertex;
|
|
|
|
} // graphics
|
|
} // love
|