diff options
Diffstat (limited to 'src/opengl/qglextensions.cpp')
-rw-r--r-- | src/opengl/qglextensions.cpp | 123 |
1 files changed, 84 insertions, 39 deletions
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp index 5ba669b..3c198fb 100644 --- a/src/opengl/qglextensions.cpp +++ b/src/opengl/qglextensions.cpp @@ -45,9 +45,15 @@ QT_BEGIN_NAMESPACE bool qt_resolve_framebufferobject_extensions(QGLContext *ctx) { -#if !defined(QT_OPENGL_ES_2) - if (glIsRenderbufferEXT != 0) +#if defined(QT_OPENGL_ES_2) + static bool have_resolved = false; + if (have_resolved) return true; + have_resolved = true; +#else + if (glIsRenderbuffer != 0) + return true; +#endif if (ctx == 0) { qWarning("QGLFramebufferObject: Unable to resolve framebuffer object extensions -" @@ -55,32 +61,37 @@ bool qt_resolve_framebufferobject_extensions(QGLContext *ctx) return false; } - glIsRenderbufferEXT = (_glIsRenderbufferEXT) ctx->getProcAddress(QLatin1String("glIsRenderbufferEXT")); - glBindRenderbufferEXT = (_glBindRenderbufferEXT) ctx->getProcAddress(QLatin1String("glBindRenderbufferEXT")); - glDeleteRenderbuffersEXT = (_glDeleteRenderbuffersEXT) ctx->getProcAddress(QLatin1String("glDeleteRenderbuffersEXT")); - glGenRenderbuffersEXT = (_glGenRenderbuffersEXT) ctx->getProcAddress(QLatin1String("glGenRenderbuffersEXT")); - glRenderbufferStorageEXT = (_glRenderbufferStorageEXT) ctx->getProcAddress(QLatin1String("glRenderbufferStorageEXT")); - glGetRenderbufferParameterivEXT = - (_glGetRenderbufferParameterivEXT) ctx->getProcAddress(QLatin1String("glGetRenderbufferParameterivEXT")); - glIsFramebufferEXT = (_glIsFramebufferEXT) ctx->getProcAddress(QLatin1String("glIsFramebufferEXT")); - glBindFramebufferEXT = (_glBindFramebufferEXT) ctx->getProcAddress(QLatin1String("glBindFramebufferEXT")); - glDeleteFramebuffersEXT = (_glDeleteFramebuffersEXT) ctx->getProcAddress(QLatin1String("glDeleteFramebuffersEXT")); - glGenFramebuffersEXT = (_glGenFramebuffersEXT) ctx->getProcAddress(QLatin1String("glGenFramebuffersEXT")); - glCheckFramebufferStatusEXT = (_glCheckFramebufferStatusEXT) ctx->getProcAddress(QLatin1String("glCheckFramebufferStatusEXT")); - glFramebufferTexture1DEXT = (_glFramebufferTexture1DEXT) ctx->getProcAddress(QLatin1String("glFramebufferTexture1DEXT")); - glFramebufferTexture2DEXT = (_glFramebufferTexture2DEXT) ctx->getProcAddress(QLatin1String("glFramebufferTexture2DEXT")); - glFramebufferTexture3DEXT = (_glFramebufferTexture3DEXT) ctx->getProcAddress(QLatin1String("glFramebufferTexture3DEXT")); - glFramebufferRenderbufferEXT = (_glFramebufferRenderbufferEXT) ctx->getProcAddress(QLatin1String("glFramebufferRenderbufferEXT")); - glGetFramebufferAttachmentParameterivEXT = - (_glGetFramebufferAttachmentParameterivEXT) ctx->getProcAddress(QLatin1String("glGetFramebufferAttachmentParameterivEXT")); - glGenerateMipmapEXT = (_glGenerateMipmapEXT) ctx->getProcAddress(QLatin1String("glGenerateMipmapEXT")); - return glIsRenderbufferEXT; + + glBlitFramebufferEXT = (_glBlitFramebufferEXT) ctx->getProcAddress(QLatin1String("glBlitFramebufferEXT")); + glRenderbufferStorageMultisampleEXT = + (_glRenderbufferStorageMultisampleEXT) ctx->getProcAddress(QLatin1String("glRenderbufferStorageMultisampleEXT")); + +#if !defined(QT_OPENGL_ES_2) + glIsRenderbuffer = (_glIsRenderbuffer) ctx->getProcAddress(QLatin1String("glIsRenderbufferEXT")); + glBindRenderbuffer = (_glBindRenderbuffer) ctx->getProcAddress(QLatin1String("glBindRenderbufferEXT")); + glDeleteRenderbuffers = (_glDeleteRenderbuffers) ctx->getProcAddress(QLatin1String("glDeleteRenderbuffersEXT")); + glGenRenderbuffers = (_glGenRenderbuffers) ctx->getProcAddress(QLatin1String("glGenRenderbuffersEXT")); + glRenderbufferStorage = (_glRenderbufferStorage) ctx->getProcAddress(QLatin1String("glRenderbufferStorageEXT")); + glGetRenderbufferParameteriv = + (_glGetRenderbufferParameteriv) ctx->getProcAddress(QLatin1String("glGetRenderbufferParameterivEXT")); + glIsFramebuffer = (_glIsFramebuffer) ctx->getProcAddress(QLatin1String("glIsFramebufferEXT")); + glBindFramebuffer = (_glBindFramebuffer) ctx->getProcAddress(QLatin1String("glBindFramebufferEXT")); + glDeleteFramebuffers = (_glDeleteFramebuffers) ctx->getProcAddress(QLatin1String("glDeleteFramebuffersEXT")); + glGenFramebuffers = (_glGenFramebuffers) ctx->getProcAddress(QLatin1String("glGenFramebuffersEXT")); + glCheckFramebufferStatus = (_glCheckFramebufferStatus) ctx->getProcAddress(QLatin1String("glCheckFramebufferStatusEXT")); + glFramebufferTexture2D = (_glFramebufferTexture2D) ctx->getProcAddress(QLatin1String("glFramebufferTexture2DEXT")); + glFramebufferRenderbuffer = (_glFramebufferRenderbuffer) ctx->getProcAddress(QLatin1String("glFramebufferRenderbufferEXT")); + glGetFramebufferAttachmentParameteriv = + (_glGetFramebufferAttachmentParameteriv) ctx->getProcAddress(QLatin1String("glGetFramebufferAttachmentParameterivEXT")); + glGenerateMipmap = (_glGenerateMipmap) ctx->getProcAddress(QLatin1String("glGenerateMipmapEXT")); + + return glIsRenderbuffer; #else - Q_UNUSED(ctx); return true; #endif } +#if !defined(QT_OPENGL_ES_2) bool qt_resolve_version_1_3_functions(QGLContext *ctx) { if (glMultiTexCoord4f != 0) @@ -89,14 +100,12 @@ bool qt_resolve_version_1_3_functions(QGLContext *ctx) QGLContext cx(QGLFormat::defaultFormat()); glMultiTexCoord4f = (_glMultiTexCoord4f) ctx->getProcAddress(QLatin1String("glMultiTexCoord4f")); -#if defined(QT_OPENGL_ES_2) - return glMultiTexCoord4f; -#else glActiveTexture = (_glActiveTexture) ctx->getProcAddress(QLatin1String("glActiveTexture")); return glMultiTexCoord4f && glActiveTexture; -#endif } +#endif +#if !defined(QT_OPENGL_ES_2) bool qt_resolve_stencil_face_extension(QGLContext *ctx) { if (glActiveStencilFaceEXT != 0) @@ -107,7 +116,10 @@ bool qt_resolve_stencil_face_extension(QGLContext *ctx) return glActiveStencilFaceEXT; } +#endif + +#if !defined(QT_OPENGL_ES_2) bool qt_resolve_frag_program_extensions(QGLContext *ctx) { if (glProgramStringARB != 0) @@ -126,26 +138,36 @@ bool qt_resolve_frag_program_extensions(QGLContext *ctx) && glGenProgramsARB && glProgramLocalParameter4fvARB; } +#endif + bool qt_resolve_buffer_extensions(QGLContext *ctx) { - if (glBindBufferARB && glDeleteBuffersARB && glGenBuffersARB && glBufferDataARB - && glMapBufferARB && glUnmapBufferARB) + if (glMapBufferARB && glUnmapBufferARB +#if !defined(QT_OPENGL_ES_2) + && glBindBuffer && glDeleteBuffers && glGenBuffers && glBufferData +#endif + ) return true; - glBindBufferARB = (_glBindBufferARB) ctx->getProcAddress(QLatin1String("glBindBufferARB")); - glDeleteBuffersARB = (_glDeleteBuffersARB) ctx->getProcAddress(QLatin1String("glDeleteBuffersARB")); - glGenBuffersARB = (_glGenBuffersARB) ctx->getProcAddress(QLatin1String("glGenBuffersARB")); - glBufferDataARB = (_glBufferDataARB) ctx->getProcAddress(QLatin1String("glBufferDataARB")); +#if !defined(QT_OPENGL_ES_2) + glBindBuffer = (_glBindBuffer) ctx->getProcAddress(QLatin1String("glBindBufferARB")); + glDeleteBuffers = (_glDeleteBuffers) ctx->getProcAddress(QLatin1String("glDeleteBuffersARB")); + glGenBuffers = (_glGenBuffers) ctx->getProcAddress(QLatin1String("glGenBuffersARB")); + glBufferData = (_glBufferData) ctx->getProcAddress(QLatin1String("glBufferDataARB")); +#endif glMapBufferARB = (_glMapBufferARB) ctx->getProcAddress(QLatin1String("glMapBufferARB")); glUnmapBufferARB = (_glUnmapBufferARB) ctx->getProcAddress(QLatin1String("glUnmapBufferARB")); - return glBindBufferARB - && glDeleteBuffersARB - && glGenBuffersARB - && glBufferDataARB - && glMapBufferARB - && glUnmapBufferARB; + return glMapBufferARB + && glUnmapBufferARB +#if !defined(QT_OPENGL_ES_2) + && glBindBuffer + && glDeleteBuffers + && glGenBuffers + && glBufferData +#endif + ; } bool qt_resolve_glsl_extensions(QGLContext *ctx) @@ -211,6 +233,7 @@ bool qt_resolve_glsl_extensions(QGLContext *ctx) glVertexAttribPointer = (_glVertexAttribPointer) ctx->getProcAddress(QLatin1String("glVertexAttribPointer")); glDisableVertexAttribArray = (_glDisableVertexAttribArray) ctx->getProcAddress(QLatin1String("glDisableVertexAttribArray")); glEnableVertexAttribArray = (_glEnableVertexAttribArray) ctx->getProcAddress(QLatin1String("glEnableVertexAttribArray")); + } else { // We may not have the standard shader functions, but we might // have the older ARB functions instead. @@ -304,4 +327,26 @@ bool qt_resolve_glsl_extensions(QGLContext *ctx) #endif } +#if !defined(QT_OPENGL_ES_2) +bool qt_resolve_version_2_0_functions(QGLContext *ctx) +{ + bool gl2supported = true; + if (!qt_resolve_glsl_extensions(ctx)) + gl2supported = false; + + if (!qt_resolve_version_1_3_functions(ctx)) + gl2supported = false; + + if (glStencilOpSeparate) + return gl2supported; + + glStencilOpSeparate = (_glStencilOpSeparate) ctx->getProcAddress(QLatin1String("glStencilOpSeparate")); + if (!glStencilOpSeparate) + gl2supported = false; + + return gl2supported; +} +#endif + + QT_END_NAMESPACE |