Skybox.h File Reference

#include <android/log.h>
#include <GLES3/gl3.h>

Go to the source code of this file.

Macros
#define	LOG_TAG   "libNative"
#define	LOGD(...)   __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
#define	LOGI(...)   __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
#define	LOGE(...)   __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
#define	LOGF(...)   __android_log_print(ANDROID_LOG_FATAL, LOG_TAG, __VA_ARGS__)
#define	MALLOC_CHECK(ptr_type, ptr, size)
#define	REALLOC_CHECK(ptr_type, ptr, size)
#define	FREE_CHECK(ptr)
#define	GL_CHECK(x)

Functions
GLuint	load_shader (GLenum shader_type, const char *shader_source)
	Create shader object and compile its source code. More...
GLuint	create_program (const char *vertex_source, const char *fragment_source)
	Create program object, attach vertex and fragment shader to it. Link program object and check whether it has succeeded. More...

Variables
const char	skybox_vertex_shader_source []
const char	skybox_fragment_shader_source []

Macro Definition Documentation

#define FREE_CHECK

(

ptr

)

Value:

{                       \
    free((void*) ptr);  \
    ptr = NULL;         \
}

Definition at line 53 of file Skybox.h.

#define GL_CHECK

(

x

)

Value:

x;                                                                                          \
    {                                                                                           \
        GLenum glError = glGetError();                                                          \
        if(glError != GL_NO_ERROR)                                                              \
        {                                                                                       \
            LOGE("glGetError() = %i (%#.8x) at %s:%i\n", glError, glError, __FILE__, __LINE__); \
            exit(EXIT_FAILURE);                                                                 \
        }                                                                                       \
    }

Definition at line 59 of file Skybox.h.

#define LOG_TAG   "libNative"

Definition at line 27 of file Skybox.h.

#define LOGD

(

...

)

__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)

Definition at line 28 of file Skybox.h.

#define LOGE

(

...

)

__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)

Definition at line 30 of file Skybox.h.

#define LOGF

(

...

)

__android_log_print(ANDROID_LOG_FATAL, LOG_TAG, __VA_ARGS__)

Definition at line 31 of file Skybox.h.

#define LOGI

(

...

)

__android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)

Definition at line 29 of file Skybox.h.

#define MALLOC_CHECK	(		ptr_type,
			ptr,
			size
	)

Value:

{                                                                                \
    ptr = (ptr_type) malloc(size);                                               \
    if (ptr == NULL)                                                             \
    {                                                                            \
        LOGF("Memory allocation error FILE: %s LINE: %i\n", __FILE__, __LINE__); \
        exit(EXIT_FAILURE);                                                      \
    }                                                                            \
}

Definition at line 33 of file Skybox.h.

#define REALLOC_CHECK	(		ptr_type,
			ptr,
			size
	)

Value:

{                                                                                \
    ptr = (ptr_type) realloc(ptr, size);                                         \
    if (ptr == NULL)                                                             \
    {                                                                            \
        LOGF("Memory allocation error FILE: %s LINE: %i\n", __FILE__, __LINE__); \
        exit(EXIT_FAILURE);                                                      \
    }                                                                            \
}

Definition at line 43 of file Skybox.h.

Function Documentation

GLuint create_program	(	const char *	vertex_source,
		const char *	fragment_source
	)

Create program object, attach vertex and fragment shader to it. Link program object and check whether it has succeeded.

Parameters

[in]	vertex_source	Vertex or fragment shader.
[in]	fragment_source	Shader source code.

Returns

Program object ID.

Definition at line 229 of file AstcTextures.cpp.

GLuint load_shader	(	GLenum	shader_type,
		const char *	shader_source
	)

Create shader object and compile its source code.

Parameters

[in]	shader_type	Vertex or fragment shader.
[in]	shader_source	Shader source code.

Returns

Shader object ID.

Definition at line 188 of file AstcTextures.cpp.

Variable Documentation

const char skybox_fragment_shader_source[]

Initial value:

=
{
    "#version 300 es\n"
    "precision mediump float;\n"
    "in      vec3        texCoord;\n"
    "out     vec4        color;\n"
    "uniform samplerCube texCubemap; \n"
    "void main(void) {\n"
    "    color = texture(texCubemap, texCoord);\n"
    "}\n"
}

Definition at line 87 of file Skybox.h.

const char skybox_vertex_shader_source[]

Initial value:

=
{
    "#version 300 es\n"
    "out     vec3 texCoord;\n"
    "uniform mat4 viewMat;\n"
    "void main(void) {\n"
    "     const vec3 vertices[4] = vec3[4](vec3(-1.0f, -1.0f, 1.0f),\n"
    "                                      vec3( 1.0f, -1.0f, 1.0f),\n"
    "                                      vec3(-1.0f,  1.0f, 1.0f),\n"
    "                                      vec3( 1.0f,  1.0f, 1.0f));\n"
    "    texCoord = mat3(viewMat) * vertices[gl_VertexID];\n"
    "    gl_Position = vec4(vertices[gl_VertexID], 1.0f);\n"
    "}\n"
}

Definition at line 71 of file Skybox.h.