diff options
Diffstat (limited to 'src/opengl/qgl.cpp')
| -rw-r--r-- | src/opengl/qgl.cpp | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index f8a2ea4..d5ca218 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -184,8 +184,13 @@ public: engineType = QPaintEngine::OpenGL2; #else // We can't do this in the constructor for this object because it - // needs to be called *before* the QApplication constructor + // needs to be called *before* the QApplication constructor. + // Also check for the FragmentProgram extension in conjunction with + // the 2.0 version flag, to cover the case where we export the display + // from an old GL 1.1 server to a GL 2.x client. In that case we can't + // use GL 2.0. if ((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) + && (QGLExtensions::glExtensions & QGLExtensions::FragmentProgram) && qgetenv("QT_GL_USE_OPENGL1ENGINE").isEmpty()) engineType = QPaintEngine::OpenGL2; else @@ -2170,8 +2175,8 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G int tx_h = qt_next_power_of_two(image.height()); QImage img = image; - if (( !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) && - !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0) ) + if (!(QGLExtensions::glExtensions & QGLExtensions::NPOTTextures) + && !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0) && (target == GL_TEXTURE_2D && (tx_w != image.width() || tx_h != image.height()))) { img = img.scaled(tx_w, tx_h); @@ -2192,9 +2197,9 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G bool genMipmap = false; #endif if (glFormat.directRendering() - && QGLExtensions::glExtensions & QGLExtensions::GenerateMipmap + && (QGLExtensions::glExtensions & QGLExtensions::GenerateMipmap) && target == GL_TEXTURE_2D - && options & QGLContext::MipmapBindOption) + && (options & QGLContext::MipmapBindOption)) { #ifdef QGL_BIND_TEXTURE_DEBUG printf(" - generating mipmaps (%d ms)\n", time.elapsed()); @@ -2220,7 +2225,7 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G bool premul = options & QGLContext::PremultipliedAlphaBindOption; GLenum externalFormat; GLuint pixel_type; - if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_2) { + if (QGLExtensions::glExtensions & QGLExtensions::BGRATextureFormat) { externalFormat = GL_BGRA; pixel_type = GL_UNSIGNED_INT_8_8_8_8_REV; } else { @@ -4886,54 +4891,59 @@ QGLWidget::QGLWidget(QGLContext *context, QWidget *parent, void QGLExtensions::init_extensions() { - QString extensions = QLatin1String(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS))); - if (extensions.contains(QLatin1String("texture_rectangle"))) + QList<QByteArray> extensions = QByteArray(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS))).split(' '); + if (extensions.contains("GL_ARB_texture_rectangle")) glExtensions |= TextureRectangle; - if (extensions.contains(QLatin1String("multisample"))) + if (extensions.contains("GL_ARB_multisample")) glExtensions |= SampleBuffers; - if (extensions.contains(QLatin1String("generate_mipmap"))) + if (extensions.contains("GL_SGIS_generate_mipmap")) glExtensions |= GenerateMipmap; - if (extensions.contains(QLatin1String("texture_compression_s3tc"))) + if (extensions.contains("GL_EXT_texture_compression_s3tc")) glExtensions |= TextureCompression; - if (extensions.contains(QLatin1String("ARB_fragment_program"))) + if (extensions.contains("GL_ARB_fragment_program")) glExtensions |= FragmentProgram; - if (extensions.contains(QLatin1String("mirrored_repeat"))) + if (extensions.contains("GL_ARB_texture_mirrored_repeat")) glExtensions |= MirroredRepeat; - if (extensions.contains(QLatin1String("EXT_framebuffer_object"))) + if (extensions.contains("GL_EXT_framebuffer_object")) glExtensions |= FramebufferObject; - if (extensions.contains(QLatin1String("EXT_stencil_two_side"))) + if (extensions.contains("GL_EXT_stencil_two_side")) glExtensions |= StencilTwoSide; - if (extensions.contains(QLatin1String("EXT_stencil_wrap"))) + if (extensions.contains("GL_EXT_stencil_wrap")) glExtensions |= StencilWrap; - if (extensions.contains(QLatin1String("EXT_packed_depth_stencil"))) + if (extensions.contains("GL_EXT_packed_depth_stencil")) glExtensions |= PackedDepthStencil; - if (extensions.contains(QLatin1String("GL_NV_float_buffer"))) + if (extensions.contains("GL_NV_float_buffer")) glExtensions |= NVFloatBuffer; - if (extensions.contains(QLatin1String("ARB_pixel_buffer_object"))) + if (extensions.contains("GL_ARB_pixel_buffer_object")) glExtensions |= PixelBufferObject; #if defined(QT_OPENGL_ES_2) glExtensions |= FramebufferObject; glExtensions |= GenerateMipmap; #endif #if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL) - if (extensions.contains(QLatin1String("OES_framebuffer_object"))) + if (extensions.contains("GL_OES_framebuffer_object")) glExtensions |= FramebufferObject; #endif #if defined(QT_OPENGL_ES) - if (extensions.contains(QLatin1String("OES_packed_depth_stencil"))) + if (extensions.contains("GL_OES_packed_depth_stencil")) glExtensions |= PackedDepthStencil; #endif - if (extensions.contains(QLatin1String("ARB_framebuffer_object"))) { + if (extensions.contains("GL_ARB_framebuffer_object")) { // ARB_framebuffer_object also includes EXT_framebuffer_blit. glExtensions |= FramebufferObject; glExtensions |= FramebufferBlit; } - if (extensions.contains(QLatin1String("EXT_framebuffer_blit"))) + + if (extensions.contains("GL_EXT_framebuffer_blit")) glExtensions |= FramebufferBlit; - if (extensions.contains(QLatin1String("GL_ARB_texture_non_power_of_two"))) + if (extensions.contains("GL_ARB_texture_non_power_of_two")) glExtensions |= NPOTTextures; + if (extensions.contains("GL_EXT_bgra")) + glExtensions |= BGRATextureFormat; + + QGLContext cx(QGLFormat::defaultFormat()); if (glExtensions & TextureCompression) { qt_glCompressedTexImage2DARB = (pfn_glCompressedTexImage2DARB) cx.getProcAddress(QLatin1String("glCompressedTexImage2DARB")); |