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| author | Rhys Weatherley <rhys.weatherley@nokia.com> | 2010-01-29 04:00:38 (GMT) |
|---|---|---|
| committer | Rhys Weatherley <rhys.weatherley@nokia.com> | 2010-02-01 00:54:27 (GMT) |
| commit | 2f3bf7b546186b9415f2d0b97ae431fea1a2cc48 (patch) | |
| tree | e5390bc3384f143740c506b64cd4549902b45ab8 /src/opengl/qglextensions_p.h | |
| parent | c06c254cf208840f14c9e562cae976f1a61f0879 (diff) | |
| download | Qt-2f3bf7b546186b9415f2d0b97ae431fea1a2cc48.zip Qt-2f3bf7b546186b9415f2d0b97ae431fea1a2cc48.tar.gz Qt-2f3bf7b546186b9415f2d0b97ae431fea1a2cc48.tar.bz2 | |
Add the QGLBuffer class to Qt 4.7 for VBO's
Reviewed-by: Sarah Smith
Diffstat (limited to 'src/opengl/qglextensions_p.h')
| -rw-r--r-- | src/opengl/qglextensions_p.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h index 86096d2..116dfa6 100644 --- a/src/opengl/qglextensions_p.h +++ b/src/opengl/qglextensions_p.h @@ -71,6 +71,7 @@ #include <QtCore/qglobal.h> #ifndef GL_ARB_vertex_buffer_object +typedef ptrdiff_t GLintptrARB; typedef ptrdiff_t GLsizeiptrARB; #endif @@ -78,13 +79,25 @@ typedef ptrdiff_t GLsizeiptrARB; typedef char GLchar; #endif -// ARB_pixel_buffer_object +// ARB_vertex_buffer_object typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint); typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *); typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *); typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptrARB, const GLvoid *, GLenum); +typedef void (APIENTRY *_glBufferSubData) (GLenum, GLintptrARB, GLsizeiptrARB, const GLvoid *); +typedef void (APIENTRY *_glGetBufferSubData) (GLenum, GLintptrARB, GLsizeiptrARB, GLvoid *); +typedef void (APIENTRY *_glGetBufferParameteriv) (GLenum, GLenum, GLint *); typedef GLvoid* (APIENTRY *_glMapBufferARB) (GLenum, GLenum); typedef GLboolean (APIENTRY *_glUnmapBufferARB) (GLenum); +// We can call the buffer functions directly in OpenGL/ES 1.1 or higher, +// but all other platforms need to resolve the extensions. +#if defined(QT_OPENGL_ES) +#if defined(GL_OES_VERSION_1_0) && !defined(GL_OES_VERSION_1_1) +#define QGL_RESOLVE_BUFFER_FUNCS 1 +#endif +#else +#define QGL_RESOLVE_BUFFER_FUNCS 1 +#endif // ARB_fragment_program typedef void (APIENTRY *_glProgramStringARB) (GLenum, GLenum, GLsizei, const GLvoid *); @@ -285,11 +298,14 @@ struct QGLExtensionFuncs qt_glRenderbufferStorageMultisampleEXT = 0; // Buffer objects: -#if !defined(QT_OPENGL_ES_2) +#if defined(QGL_RESOLVE_BUFFER_FUNCS) qt_glBindBuffer = 0; qt_glDeleteBuffers = 0; qt_glGenBuffers = 0; qt_glBufferData = 0; + qt_glBufferSubData = 0; + qt_glGetBufferSubData = 0; + qt_glGetBufferParameteriv = 0; #endif qt_glMapBufferARB = 0; qt_glUnmapBufferARB = 0; @@ -397,11 +413,14 @@ struct QGLExtensionFuncs _glRenderbufferStorageMultisampleEXT qt_glRenderbufferStorageMultisampleEXT; // Buffer objects -#if !defined(QT_OPENGL_ES_2) +#if defined(QGL_RESOLVE_BUFFER_FUNCS) _glBindBuffer qt_glBindBuffer; _glDeleteBuffers qt_glDeleteBuffers; _glGenBuffers qt_glGenBuffers; _glBufferData qt_glBufferData; + _glBufferSubData qt_glBufferSubData; + _glGetBufferSubData qt_glGetBufferSubData; + _glGetBufferParameteriv qt_glGetBufferParameteriv; #endif _glMapBufferARB qt_glMapBufferARB; _glUnmapBufferARB qt_glUnmapBufferARB; @@ -681,11 +700,14 @@ struct QGLExtensionFuncs // Buffer objects -#if !defined(QT_OPENGL_ES_2) +#if defined(QGL_RESOLVE_BUFFER_FUNCS) #define glBindBuffer QGLContextPrivate::extensionFuncs(ctx).qt_glBindBuffer #define glDeleteBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glDeleteBuffers #define glGenBuffers QGLContextPrivate::extensionFuncs(ctx).qt_glGenBuffers #define glBufferData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferData +#define glBufferSubData QGLContextPrivate::extensionFuncs(ctx).qt_glBufferSubData +#define glGetBufferSubData QGLContextPrivate::extensionFuncs(ctx).qt_glGetBufferSubData +#define glGetBufferParameteriv QGLContextPrivate::extensionFuncs(ctx).qt_glGetBufferParameteriv #endif #define glMapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glMapBufferARB #define glUnmapBufferARB QGLContextPrivate::extensionFuncs(ctx).qt_glUnmapBufferARB |