Gamedev Framework (gf) 1.2.0
A C++17 framework for 2D games
RenderStates.h
1/*
2 * Gamedev Framework (gf)
3 * Copyright (C) 2016-2022 Julien Bernard
4 *
5 * This software is provided 'as-is', without any express or implied
6 * warranty. In no event will the authors be held liable for any damages
7 * arising from the use of this software.
8 *
9 * Permission is granted to anyone to use this software for any purpose,
10 * including commercial applications, and to alter it and redistribute it
11 * freely, subject to the following restrictions:
12 *
13 * 1. The origin of this software must not be misrepresented; you must not
14 * claim that you wrote the original software. If you use this software
15 * in a product, an acknowledgment in the product documentation would be
16 * appreciated but is not required.
17 * 2. Altered source versions must be plainly marked as such, and must not be
18 * misrepresented as being the original software.
19 * 3. This notice may not be removed or altered from any source distribution.
20 *
21 * Part of this file comes from SFML, with the same license:
22 * Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
23 */
24#ifndef GF_RENDER_STATES_H
25#define GF_RENDER_STATES_H
26
27#include "Blend.h"
28#include "GraphicsApi.h"
29#include "Matrix.h"
30#include "Transform.h"
31
32namespace gf {
33#ifndef DOXYGEN_SHOULD_SKIP_THIS
34inline namespace v1 {
35#endif
36
37 class BareTexture;
38 class Shader;
39
82 struct GF_GRAPHICS_API RenderStates {
85 const BareTexture *texture [2] = { nullptr, nullptr };
86 Shader *shader = nullptr;
87 float lineWidth = 0.0f;
88 };
89
97 inline
98 bool operator==(const RenderStates& lhs, const RenderStates& rhs) {
99 return lhs.mode == rhs.mode && lhs.transform == rhs.transform && lhs.texture[0] == rhs.texture[0] && lhs.texture[1] == rhs.texture[1] && lhs.shader == rhs.shader;
100 }
101
102#ifndef DOXYGEN_SHOULD_SKIP_THIS
103}
104#endif
105}
106
107#endif // GF_RENDER_STATES_H
An image that lives in the graphic memory that can be used for drawing.
Definition: Texture.h:79
An OpenGL vertex and/or fragment shader.
Definition: Shader.h:119
constexpr Matrix3f identityTransform()
Identity transform.
Definition: Transform.h:349
constexpr Vector2f transform(const Matrix3f &mat, Vector2f point)
Apply an affine transformation to a 2D point.
Definition: Transform.h:326
The namespace for gf classes.
constexpr BlendMode BlendAlpha
Alpha blend mode.
Definition: Blend.h:211
Blending modes for drawing.
Definition: Blend.h:126
Define the states used for drawing to a RenderTarget.
Definition: RenderStates.h:82
BlendMode mode
The blending mode.
Definition: RenderStates.h:83
const BareTexture * texture[2]
The texture.
Definition: RenderStates.h:85
Shader * shader
The shader.
Definition: RenderStates.h:86
Matrix3f transform
The transform matrix.
Definition: RenderStates.h:84
bool operator==(const RenderStates &lhs, const RenderStates &rhs)
Check render states equality.
Definition: RenderStates.h:98