shader.cpp File Reference

#include "app/opengl/shader.h"
#include "util/log.h"
#include "util/string.h"
#include <sstream>
#include <epoxy/gl.h>

Go to the source code of this file.

Functions
static void	shader_print_errors (const char *task, const char *log, const char *code)
static int	compile_shader_program ()

Variables
static CCL_NAMESPACE_BEGIN const char *	VERTEX_SHADER
static const char *	FRAGMENT_SHADER

Function Documentation

compile_shader_program()

int compile_shader_program ( )

static

Definition at line 72 of file app/opengl/shader.cpp.

References FRAGMENT_SHADER, i, length(), log, shader_print_errors(), Node::type, and VERTEX_SHADER.

Referenced by OpenGLShader::create_shader_if_needed().

shader_print_errors()

void shader_print_errors ( const char * task, const char * log, const char * code )

static

Definition at line 51 of file app/opengl/shader.cpp.

References log, and LOG_ERROR.

Referenced by compile_shader_program().

Variable Documentation

FRAGMENT_SHADER

const char* FRAGMENT_SHADER

static

Initial value:

                              =
"#version 330\n"
"uniform sampler2D image_texture;\n"
"in vec2 texCoord_interp;\n"
"out vec4 fragColor;\n"
"\n"
"void main()\n"
"{\n"
"   vec4 rgba = texture(image_texture, texCoord_interp);\n"
 
"   fragColor = pow(rgba, vec4(0.45, 0.45, 0.45, 1.0));\n"
"}\n\0"

Definition at line 38 of file app/opengl/shader.cpp.

Referenced by compile_shader_program().

VERTEX_SHADER

CCL_NAMESPACE_BEGIN const char* VERTEX_SHADER

static

Initial value:

                            =
"#version 330\n"
"uniform vec2 fullscreen;\n"
"in vec2 texCoord;\n"
"in vec2 pos;\n"
"out vec2 texCoord_interp;\n"
"\n"
"vec2 normalize_coordinates()\n"
"{\n"
"   return (vec2(2.0) * (pos / fullscreen)) - vec2(1.0);\n"
"}\n"
"\n"
"void main()\n"
"{\n"
"   gl_Position = vec4(normalize_coordinates(), 0.0, 1.0);\n"
"   texCoord_interp = texCoord;\n"
"}\n\0"

Definition at line 20 of file app/opengl/shader.cpp.

Referenced by compile_shader_program().