opengl_enc_shaders.h File Reference

#include "libavutil/pixfmt.h"

Go to the source code of this file.

Variables
static const char *const	FF_OPENGL_VERTEX_SHADER
static const char *const	FF_OPENGL_FRAGMENT_SHADER_RGBA_PACKET
	Fragment shader for packet RGBA formats. More...
static const char *const	FF_OPENGL_FRAGMENT_SHADER_RGB_PACKET
	Fragment shader for packet RGB formats. More...
static const char *const	FF_OPENGL_FRAGMENT_SHADER_RGBA_PLANAR
	Fragment shader for planar RGBA formats. More...
static const char *const	FF_OPENGL_FRAGMENT_SHADER_RGB_PLANAR
	Fragment shader for planar RGB formats. More...
static const char *const	FF_OPENGL_FRAGMENT_SHADER_YUV_PLANAR
	Fragment shader for planar YUV formats. More...
static const char *const	FF_OPENGL_FRAGMENT_SHADER_YUVA_PLANAR
	Fragment shader for planar YUVA formats. More...
static const char *const	FF_OPENGL_FRAGMENT_SHADER_GRAY

Variable Documentation

FF_OPENGL_VERTEX_SHADER

const char* const FF_OPENGL_VERTEX_SHADER

static

Initial value:

=
    "uniform mat4 u_projectionMatrix;"
    "uniform mat4 u_modelViewMatrix;"
 
    "attribute vec4 a_position;"
    "attribute vec2 a_textureCoords;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "gl_Position = u_projectionMatrix * (a_position * u_modelViewMatrix);"
        "texture_coordinate = a_textureCoords;"
    "}"

Definition at line 26 of file opengl_enc_shaders.h.

Referenced by opengl_compile_shaders().

FF_OPENGL_FRAGMENT_SHADER_RGBA_PACKET

const char* const FF_OPENGL_FRAGMENT_SHADER_RGBA_PACKET

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "uniform mat4 u_colorMap;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "gl_FragColor = texture2D(u_texture0, texture_coordinate) * u_colorMap;"
    "}"

Fragment shader for packet RGBA formats.

Definition at line 44 of file opengl_enc_shaders.h.

FF_OPENGL_FRAGMENT_SHADER_RGB_PACKET

const char* const FF_OPENGL_FRAGMENT_SHADER_RGB_PACKET

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "uniform mat4 u_colorMap;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "gl_FragColor = vec4((texture2D(u_texture0, texture_coordinate) * u_colorMap).rgb, 1.0);"
    "}"

Fragment shader for packet RGB formats.

Definition at line 61 of file opengl_enc_shaders.h.

FF_OPENGL_FRAGMENT_SHADER_RGBA_PLANAR

const char* const FF_OPENGL_FRAGMENT_SHADER_RGBA_PLANAR

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "uniform sampler2D u_texture1;"
    "uniform sampler2D u_texture2;"
    "uniform sampler2D u_texture3;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "gl_FragColor = vec4(texture2D(u_texture0, texture_coordinate).r,"
                            "texture2D(u_texture1, texture_coordinate).r,"
                            "texture2D(u_texture2, texture_coordinate).r,"
                            "texture2D(u_texture3, texture_coordinate).r);"
    "}"

Fragment shader for planar RGBA formats.

Definition at line 78 of file opengl_enc_shaders.h.

FF_OPENGL_FRAGMENT_SHADER_RGB_PLANAR

const char* const FF_OPENGL_FRAGMENT_SHADER_RGB_PLANAR

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "uniform sampler2D u_texture1;"
    "uniform sampler2D u_texture2;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "gl_FragColor = vec4(texture2D(u_texture0, texture_coordinate).r,"
                            "texture2D(u_texture1, texture_coordinate).r,"
                            "texture2D(u_texture2, texture_coordinate).r,"
                            "1.0);"
    "}"

Fragment shader for planar RGB formats.

Definition at line 100 of file opengl_enc_shaders.h.

FF_OPENGL_FRAGMENT_SHADER_YUV_PLANAR

const char* const FF_OPENGL_FRAGMENT_SHADER_YUV_PLANAR

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "uniform sampler2D u_texture1;"
    "uniform sampler2D u_texture2;"
    "uniform float u_chroma_div_w;"
    "uniform float u_chroma_div_h;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "vec3 yuv;"
 
        "yuv.r = texture2D(u_texture0, texture_coordinate).r - 0.0625;"
        "yuv.g = texture2D(u_texture1, vec2(texture_coordinate.x / u_chroma_div_w, texture_coordinate.y / u_chroma_div_h)).r - 0.5;"
        "yuv.b = texture2D(u_texture2, vec2(texture_coordinate.x / u_chroma_div_w, texture_coordinate.y / u_chroma_div_h)).r - 0.5;"
 
        "gl_FragColor = clamp(vec4(mat3(1.1643,  1.16430, 1.1643,"
                                       "0.0,    -0.39173, 2.0170,"
                                       "1.5958, -0.81290, 0.0) * yuv, 1.0), 0.0, 1.0);"
 
    "}"

Fragment shader for planar YUV formats.

Definition at line 121 of file opengl_enc_shaders.h.

FF_OPENGL_FRAGMENT_SHADER_YUVA_PLANAR

const char* const FF_OPENGL_FRAGMENT_SHADER_YUVA_PLANAR

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "uniform sampler2D u_texture1;"
    "uniform sampler2D u_texture2;"
    "uniform sampler2D u_texture3;"
    "uniform float u_chroma_div_w;"
    "uniform float u_chroma_div_h;"
 
    "varying vec2 texture_coordinate;"
 
    "void main()"
    "{"
        "vec3 yuv;"
 
        "yuv.r = texture2D(u_texture0, texture_coordinate).r - 0.0625;"
        "yuv.g = texture2D(u_texture1, vec2(texture_coordinate.x / u_chroma_div_w, texture_coordinate.y / u_chroma_div_h)).r - 0.5;"
        "yuv.b = texture2D(u_texture2, vec2(texture_coordinate.x / u_chroma_div_w, texture_coordinate.y / u_chroma_div_h)).r - 0.5;"
 
        "gl_FragColor = clamp(vec4(mat3(1.1643,  1.16430, 1.1643,"
                                       "0.0,    -0.39173, 2.0170,"
                                       "1.5958, -0.81290, 0.0) * yuv, texture2D(u_texture3, texture_coordinate).r), 0.0, 1.0);"
    "}"

Fragment shader for planar YUVA formats.

Definition at line 150 of file opengl_enc_shaders.h.

FF_OPENGL_FRAGMENT_SHADER_GRAY

const char* const FF_OPENGL_FRAGMENT_SHADER_GRAY

static

Initial value:

=
 
 
 
    "uniform sampler2D u_texture0;"
    "varying vec2 texture_coordinate;"
    "void main()"
    "{"
        "float c = texture2D(u_texture0, texture_coordinate).r;"
        "gl_FragColor = vec4(c, c, c, 1.0);"
    "}"

Definition at line 176 of file opengl_enc_shaders.h.