qopengltextureblitter.cpp File Reference

(abdf62f63e5a5cc26c950933831049229efd74a3)

#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 targettarget)

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 15 of file qopengltextureblitter.cpp.

GL_TEXTURE_HEIGHT

#define GL_TEXTURE_HEIGHT   0x1001

Definition at line 24 of file qopengltextureblitter.cpp.

GL_TEXTURE_RECTANGLE

#define GL_TEXTURE_RECTANGLE   0x84F5

Definition at line 18 of file qopengltextureblitter.cpp.

GL_TEXTURE_WIDTH

#define GL_TEXTURE_WIDTH   0x1000

Definition at line 21 of file qopengltextureblitter.cpp.

Function Documentation

targetToProgramIndex()

QOpenGLTextureBlitterPrivate::ProgramIndex targetToProgramIndex ( GLenum target )

inlinestatic

Definition at line 254 of file qopengltextureblitter.cpp.

References QOpenGLTextureBlitterPrivate::TEXTURE_2D, QOpenGLTextureBlitterPrivate::TEXTURE_EXTERNAL_OES, and QOpenGLTextureBlitterPrivate::TEXTURE_RECTANGLE.

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 108 of file qopengltextureblitter.cpp.

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 84 of file qopengltextureblitter.cpp.

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 142 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 119 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 131 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 164 of file qopengltextureblitter.cpp.

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 155 of file qopengltextureblitter.cpp.

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 97 of file qopengltextureblitter.cpp.

Referenced by 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 72 of file qopengltextureblitter.cpp.

Referenced by QOpenGLTextureBlitterPrivate::ensureProgram().