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Texture.cpp
Go to the documentation of this file.
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/* Copyright (c) 2014-2017, ARM Limited and Contributors
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* 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 THE SOFTWARE.
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*/
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#include "
Texture.h
"
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namespace
MaliSDK
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{
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void
Texture::createTexture
(
unsigned
int
width
,
unsigned
int
height
, GLvoid **
textureData
)
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{
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unsigned
char
*randomTexture =
new
unsigned
char
[width * height * 4];
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if
(randomTexture == NULL)
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{
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LOGE
(
"Out of memory at %s:%i\n"
, __FILE__, __LINE__);
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exit(1);
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}
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/* Initialize texture with random shades. */
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for
(
unsigned
int
allTexels = 0; allTexels < width *
height
; allTexels ++)
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{
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/* Use 255 (fully opaque) for the alpha value */
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randomTexture[allTexels * 4 + 3] = 255;
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/* Set each colour component (Red, Green, Blue) of the texel to a different random number. */
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for
(
int
allChannels = 0; allChannels < 3; allChannels++)
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{
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/* Generate a random number between 0 and 255 */
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int
randomNumber = (
int
)(255 * (rand() / (
float
)RAND_MAX));
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randomTexture[allTexels * 4 + allChannels] = randomNumber;
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}
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}
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*textureData = randomTexture;
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}
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void
Texture::createTexture
(
unsigned
int
width,
unsigned
int
height,
unsigned
int
red, GLvoid **textureData)
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{
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unsigned
char
* newTexture =
new
unsigned
char
[width *
height
];
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if
(newTexture == NULL)
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{
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LOGE
(
"Out of memory at %s:%i\n"
, __FILE__, __LINE__);
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exit(1);
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}
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for
(
unsigned
int
texelIndex = 0; texelIndex < width *
height
; ++texelIndex)
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{
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newTexture[texelIndex] = red;
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}
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*textureData = newTexture;
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}
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void
Texture::createTexture
(
unsigned
int
width,
unsigned
int
height,
short
red,
short
**textureData)
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{
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*textureData =
new
short
[width *
height
];
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if
(*textureData == NULL)
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{
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LOGE
(
"Out of memory at %s:%i\n"
, __FILE__, __LINE__);
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exit(1);
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}
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for
(
unsigned
int
texelIndex = 0; texelIndex < width *
height
; ++texelIndex)
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{
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(*textureData)[texelIndex] = red;
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}
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}
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void
Texture::deleteTextureData
(GLvoid** textureData)
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{
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delete
[] (
unsigned
char
*)*textureData;
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}
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}
MaliSDK::Texture::createTexture
static void createTexture(unsigned int width, unsigned int height, GLvoid **textureData)
Create a texture using random data.
Definition:
Texture.cpp:103
height
GLint GLsizei GLsizei height
Definition:
gl2ext.h:179
int
precision highp int
Definition:
hiz_cull.cs:38
MaliSDK::Texture::deleteTextureData
static void deleteTextureData(GLvoid **textureData)
Deletes previously created texture.
Definition:
Texture.cpp:162
textureData
unsigned char * textureData
Definition:
ThreadSync.cpp:109
LOGE
#define LOGE(...)
Definition:
Texture.cpp:32
Texture.h
width
GLint GLsizei width
Definition:
gl2ext.h:179
samples
tutorials
IntegerLogic
jni
Texture.cpp
(C) ARM Ltd. 2017