OpenGL ES SDK for Android
ARM Developer Center
Home
Pages
Namespaces
Files
File List
File Members
All
Classes
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Friends
Macros
Pages
Template.cpp
Go to the documentation of this file.
1
/* Copyright (c) 2012-2017, ARM Limited and Contributors
2
*
3
* SPDX-License-Identifier: MIT
4
*
5
* Permission is hereby granted, free of charge,
6
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
7
* to deal in the Software without restriction, including without limitation the rights to
8
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
9
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
10
*
11
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
12
*
13
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
14
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
16
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
17
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19
*/
20
31
#include <GLES2/gl2.h>
32
#include <GLES2/gl2ext.h>
33
34
#include <cstdio>
35
#include <cstdlib>
36
37
#include <jni.h>
38
#include <android/log.h>
39
40
#include "
Template.h
"
41
#include "Text.h"
42
#include "
AndroidPlatform.h
"
43
44
using
std::string;
45
using namespace
MaliSDK;
46
47
/* Asset directories and filenames. */
48
string
resourceDirectory
=
"/data/data/com.arm.malideveloper.openglessdk.template/"
;
49
50
/* A text object to draw text on the screen.*/
51
Text
*
text
;
52
53
bool
setupGraphics
(
int
width
,
int
height
)
54
{
55
/* Initialize OpenGL ES. */
56
GL_CHECK
(glEnable(GL_BLEND));
57
GL_CHECK
(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
58
59
/* Initialize the Text object and add some text. */
60
text
=
new
Text
(
resourceDirectory
.c_str(),
width
,
height
);
61
62
text
->
addString
(0, 0,
"Template"
, 255, 255, 255, 255);
63
64
/* Code to setup shaders, geometry, and to initialize OpenGL ES states. */
65
66
return
true
;
67
}
68
69
void
renderFrame
(
void
)
70
{
71
/* Code to draw one frame. */
72
73
/* Draw fonts. */
74
text
->
draw
();
75
}
76
77
extern
"C"
78
{
79
JNIEXPORT
void
JNICALL
Java_com_arm_malideveloper_openglessdk_template_Template_init
80
(JNIEnv *env, jclass jcls, jint
width
, jint
height
)
81
{
82
setupGraphics
(width, height);
83
}
84
85
JNIEXPORT
void
JNICALL
Java_com_arm_malideveloper_openglessdk_template_Template_step
86
(JNIEnv *env, jclass jcls)
87
{
88
renderFrame
();
89
}
90
91
JNIEXPORT
void
JNICALL
Java_com_arm_malideveloper_openglessdk_template_Template_uninit
92
(JNIEnv *, jclass)
93
{
94
delete
text
;
95
}
96
}
MaliSDK::Text
Functions for drawing text in OpenGL ES.
Definition:
Text.h:44
setupGraphics
bool setupGraphics(int width, int height)
Definition:
Template.cpp:53
height
GLint GLsizei GLsizei height
Definition:
gl2ext.h:179
Template.h
Java_com_arm_malideveloper_openglessdk_template_Template_init
JNIEXPORT void JNICALL Java_com_arm_malideveloper_openglessdk_template_Template_init(JNIEnv *env, jclass jcls, jint width, jint height)
Definition:
Template.cpp:80
text
Text * text
Definition:
Template.cpp:51
MaliSDK::Text::addString
void addString(int xPosition, int yPosition, const char *string, int red, int green, int blue, int alpha)
Add a std::string to be drawn to the screen.
Definition:
Text.cpp:157
resourceDirectory
string resourceDirectory
Definition:
Template.cpp:48
Java_com_arm_malideveloper_openglessdk_template_Template_step
JNIEXPORT void JNICALL Java_com_arm_malideveloper_openglessdk_template_Template_step(JNIEnv *env, jclass jcls)
Definition:
Template.cpp:86
GL_CHECK
#define GL_CHECK(x)
Definition:
AstcTextures.h:59
Java_com_arm_malideveloper_openglessdk_template_Template_uninit
JNIEXPORT void JNICALL Java_com_arm_malideveloper_openglessdk_template_Template_uninit(JNIEnv *, jclass)
Definition:
Template.cpp:92
width
GLint GLsizei width
Definition:
gl2ext.h:179
AndroidPlatform.h
MaliSDK::Text::draw
void draw(void)
Draw the text to the screen.
Definition:
Text.cpp:265
renderFrame
void renderFrame(void)
Definition:
Template.cpp:69
samples
advanced_samples
Template
jni
Template.cpp
(C) ARM Ltd. 2017