shader.cpp File Reference

#include "app/opengl/shader.h"
#include "util/log.h"
#include "util/string.h"
#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 (void)

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

Function Documentation

compile_shader_program()

static int compile_shader_program ( void )

static

Definition at line 70 of file app/opengl/shader.cpp.

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

Referenced by OpenGLShader::create_shader_if_needed().

shader_print_errors()

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

static

Definition at line 49 of file app/opengl/shader.cpp.

References LOG, and log().

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 36 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 18 of file app/opengl/shader.cpp.

Referenced by compile_shader_program().