qopengltextureblitter.cpp File Reference

(135a792940ed3a7ed2cfc632e2b11477edea7706)

#include "qopengltextureblitter.h"
#include <QtOpenGL/QOpenGLShaderProgram>
#include <QtOpenGL/QOpenGLVertexArrayObject>
#include <QtOpenGL/QOpenGLBuffer>
#include <QtGui/QOpenGLContext>
#include <QtGui/QOpenGLFunctions>
#include <QtGui/QOpenGLExtraFunctions>

Include dependency graph for qopengltextureblitter.cpp:

Go to the source code of this file.

Classes
class	QBlitterTextureBinder
class	QOpenGLTextureBlitterPrivate
struct	QOpenGLTextureBlitterPrivate::Program

Macros
#define	GL_TEXTURE_EXTERNAL_OES   0x8D65
#define	GL_TEXTURE_RECTANGLE   0x84F5
#define	GL_TEXTURE_WIDTH   0x1000
#define	GL_TEXTURE_HEIGHT   0x1001

Functions
static QOpenGLTextureBlitterPrivate::ProgramIndex	targetToProgramIndex (GLenum target)

Variables
static const char	vertex_shader150 []
static const char	fragment_shader150 []
static const char	vertex_shader []
static const char	fragment_shader []
static const char	fragment_shader_external_oes []
static const char	fragment_shader_rectangle []
static const char	fragment_shader150_rectangle []
static const GLfloat	vertex_buffer_data []
static const GLfloat	texture_buffer_data []

Macro Definition Documentation

GL_TEXTURE_EXTERNAL_OES

#define GL_TEXTURE_EXTERNAL_OES   0x8D65

Definition at line 14 of file qopengltextureblitter.cpp.

Referenced by targetToProgramIndex().

GL_TEXTURE_HEIGHT

#define GL_TEXTURE_HEIGHT   0x1001

Definition at line 23 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitterPrivate::toTextureCoordinates().

GL_TEXTURE_RECTANGLE

#define GL_TEXTURE_RECTANGLE   0x84F5

Definition at line 17 of file qopengltextureblitter.cpp.

Referenced by targetToProgramIndex(), and QOpenGLTextureBlitterPrivate::toTextureCoordinates().

GL_TEXTURE_WIDTH

#define GL_TEXTURE_WIDTH   0x1000

Definition at line 20 of file qopengltextureblitter.cpp.

Referenced by QOpenGLContextPrivate::maxTextureSize(), and QOpenGLTextureBlitterPrivate::toTextureCoordinates().

Function Documentation

targetToProgramIndex()

static QOpenGLTextureBlitterPrivate::ProgramIndex targetToProgramIndex ( GLenum target )

inlinestatic

Definition at line 253 of file qopengltextureblitter.cpp.

References GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_RECTANGLE, qWarning, QOpenGLTextureBlitterPrivate::TEXTURE_2D, QOpenGLTextureBlitterPrivate::TEXTURE_EXTERNAL_OES, and QOpenGLTextureBlitterPrivate::TEXTURE_RECTANGLE.

Referenced by QOpenGLTextureBlitter::bind(), QOpenGLTextureBlitterPrivate::blit(), QOpenGLTextureBlitterPrivate::blit(), QOpenGLTextureBlitterPrivate::prepareProgram(), and QOpenGLTextureBlitter::release().

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Variable Documentation

fragment_shader

const char fragment_shader[]

static

Initial value:

=
    "varying highp vec2 uv;"
    "uniform sampler2D textureSampler;"
    "uniform bool swizzle;"
    "uniform highp float opacity;"
    "void main() {"
    "   highp vec4 tmpFragColor = texture2D(textureSampler,uv);"
    "   tmpFragColor.a *= opacity;"
    "   gl_FragColor = swizzle ? tmpFragColor.bgra : tmpFragColor;"
    "}"

Definition at line 107 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitter::create().

fragment_shader150

const char fragment_shader150[]

static

Initial value:

=
    "#version 150 core\n"
    "in vec2 uv;"
    "out vec4 fragcolor;"
    "uniform sampler2D textureSampler;"
    "uniform bool swizzle;"
    "uniform float opacity;"
    "void main() {"
    "   vec4 tmpFragColor = texture(textureSampler, uv);"
    "   tmpFragColor.a *= opacity;"
    "   fragcolor = swizzle ? tmpFragColor.bgra : tmpFragColor;"
    "}"

Definition at line 83 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitter::create().

fragment_shader150_rectangle

const char fragment_shader150_rectangle[]

static

Initial value:

=
    "#version 150 core\n"
    "in vec2 uv;"
    "out vec4 fragcolor;"
    "uniform sampler2DRect textureSampler;"
    "uniform bool swizzle;"
    "uniform float opacity;"
    "void main() {"
    "   vec4 tmpFragColor = texture(textureSampler, uv);"
    "   tmpFragColor.a *= opacity;"
    "   fragcolor = swizzle ? tmpFragColor.bgra : tmpFragColor;"
    "}"

Definition at line 141 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitterPrivate::ensureProgram().

fragment_shader_external_oes

const char fragment_shader_external_oes[]

static

Initial value:

=
    "#extension GL_OES_EGL_image_external : require\n"
    "varying highp vec2 uv;"
    "uniform samplerExternalOES textureSampler;\n"
    "uniform bool swizzle;"
    "uniform highp float opacity;"
    "void main() {"
    "   highp vec4 tmpFragColor = texture2D(textureSampler, uv);"
    "   tmpFragColor.a *= opacity;"
    "   gl_FragColor = swizzle ? tmpFragColor.bgra : tmpFragColor;"
    "}"

Definition at line 118 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitterPrivate::ensureProgram().

fragment_shader_rectangle

const char fragment_shader_rectangle[]

static

Initial value:

=
    "varying highp vec2 uv;"
    "uniform sampler2DRect textureSampler;"
    "uniform bool swizzle;"
    "uniform highp float opacity;"
    "void main() {"
    "   highp vec4 tmpFragColor = texture2DRect(textureSampler,uv);"
    "   tmpFragColor.a *= opacity;"
    "   gl_FragColor = swizzle ? tmpFragColor.bgra : tmpFragColor;"
    "}"

Definition at line 130 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitterPrivate::ensureProgram().

texture_buffer_data

const GLfloat texture_buffer_data[]

static

Initial value:

= {
        0, 0,
        0, 1,
        1, 0,
        0, 1,
        1, 0,
        1, 1
}

Definition at line 163 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitter::create().

vertex_buffer_data

const GLfloat vertex_buffer_data[]

static

Initial value:

= {
        -1,-1, 0,
        -1, 1, 0,
         1,-1, 0,
        -1, 1, 0,
         1,-1, 0,
         1, 1, 0
}

Definition at line 154 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitter::create().

vertex_shader

const char vertex_shader[]

static

Initial value:

=
    "attribute highp vec3 vertexCoord;"
    "attribute highp vec2 textureCoord;"
    "varying highp vec2 uv;"
    "uniform highp mat4 vertexTransform;"
    "uniform highp mat3 textureTransform;"
    "void main() {"
    "   uv = (textureTransform * vec3(textureCoord,1.0)).xy;"
    "   gl_Position = vertexTransform * vec4(vertexCoord,1.0);"
    "}"

Definition at line 96 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitter::create(), and QOpenGLTextureBlitterPrivate::ensureProgram().

vertex_shader150

const char vertex_shader150[]

static

Initial value:

=
    "#version 150 core\n"
    "in vec3 vertexCoord;"
    "in vec2 textureCoord;"
    "out vec2 uv;"
    "uniform mat4 vertexTransform;"
    "uniform mat3 textureTransform;"
    "void main() {"
    "   uv = (textureTransform * vec3(textureCoord,1.0)).xy;"
    "   gl_Position = vertexTransform * vec4(vertexCoord,1.0);"
    "}"

Definition at line 71 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitter::create(), and QOpenGLTextureBlitterPrivate::ensureProgram().