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Diffstat (limited to 'src/opengl/qglextensions.cpp')
| -rw-r--r-- | src/opengl/qglextensions.cpp | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp new file mode 100644 index 00000000000..731896b8bc2 --- /dev/null +++ b/src/opengl/qglextensions.cpp @@ -0,0 +1,430 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation ([email protected]) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at [email protected]. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgl_p.h" + +QT_BEGIN_NAMESPACE + +static void *qt_gl_getProcAddress_search + (QGLContext *ctx, const char *name1, const char *name2, + const char *name3, const char *name4) +{ + void *addr; + + addr = ctx->getProcAddress(QLatin1String(name1)); + if (addr) + return addr; + + addr = ctx->getProcAddress(QLatin1String(name2)); + if (addr) + return addr; + + addr = ctx->getProcAddress(QLatin1String(name3)); + if (addr) + return addr; + + if (name4) + return ctx->getProcAddress(QLatin1String(name4)); + + return 0; +} + +// Search for an extension function starting with the most likely +// function suffix first, and then trying the other variations. +#if defined(QT_OPENGL_ES) +#define qt_gl_getProcAddress(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name, name "OES", name "EXT", name "ARB") +#define qt_gl_getProcAddressEXT(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name "OES", name, name "EXT", name "ARB") +#define qt_gl_getProcAddressARB(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name "OES", name, name "ARB", name "EXT") +#define qt_gl_getProcAddressOES(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name "OES", name, name "EXT", name "ARB") +#else +#define qt_gl_getProcAddress(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name, name "ARB", name "EXT", 0) +#define qt_gl_getProcAddressEXT(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name "EXT", name, name "ARB", 0) +#define qt_gl_getProcAddressARB(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name "ARB", name, name "EXT", 0) +#define qt_gl_getProcAddressOES(ctx,name) \ + qt_gl_getProcAddress_search((ctx), name "OES", name, name "EXT", name "ARB") +#endif + +bool qt_resolve_framebufferobject_extensions(QGLContext *ctx) +{ +#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 -" + " make sure there is a current context when creating the framebuffer object."); + return false; + } + + + glBlitFramebufferEXT = (_glBlitFramebufferEXT) qt_gl_getProcAddressEXT(ctx, "glBlitFramebuffer"); + glRenderbufferStorageMultisampleEXT = + (_glRenderbufferStorageMultisampleEXT) qt_gl_getProcAddressEXT(ctx, "glRenderbufferStorageMultisample"); + +#if !defined(QT_OPENGL_ES_2) + glIsRenderbuffer = (_glIsRenderbuffer) qt_gl_getProcAddressEXT(ctx, "glIsRenderbuffer"); + if (!glIsRenderbuffer) + return false; // Not much point searching for anything else. + glBindRenderbuffer = (_glBindRenderbuffer) qt_gl_getProcAddressEXT(ctx, "glBindRenderbuffer"); + glDeleteRenderbuffers = (_glDeleteRenderbuffers) qt_gl_getProcAddressEXT(ctx, "glDeleteRenderbuffers"); + glGenRenderbuffers = (_glGenRenderbuffers) qt_gl_getProcAddressEXT(ctx, "glGenRenderbuffers"); + glRenderbufferStorage = (_glRenderbufferStorage) qt_gl_getProcAddressEXT(ctx, "glRenderbufferStorage"); + glGetRenderbufferParameteriv = + (_glGetRenderbufferParameteriv) qt_gl_getProcAddressEXT(ctx, "glGetRenderbufferParameteriv"); + glIsFramebuffer = (_glIsFramebuffer) qt_gl_getProcAddressEXT(ctx, "glIsFramebuffer"); + glBindFramebuffer = (_glBindFramebuffer) qt_gl_getProcAddressEXT(ctx, "glBindFramebuffer"); + glDeleteFramebuffers = (_glDeleteFramebuffers) qt_gl_getProcAddressEXT(ctx, "glDeleteFramebuffers"); + glGenFramebuffers = (_glGenFramebuffers) qt_gl_getProcAddressEXT(ctx, "glGenFramebuffers"); + glCheckFramebufferStatus = (_glCheckFramebufferStatus) qt_gl_getProcAddressEXT(ctx, "glCheckFramebufferStatus"); + glFramebufferTexture2D = (_glFramebufferTexture2D) qt_gl_getProcAddressEXT(ctx, "glFramebufferTexture2D"); + glFramebufferRenderbuffer = (_glFramebufferRenderbuffer) qt_gl_getProcAddressEXT(ctx, "glFramebufferRenderbuffer"); + glGetFramebufferAttachmentParameteriv = + (_glGetFramebufferAttachmentParameteriv) qt_gl_getProcAddressEXT(ctx, "glGetFramebufferAttachmentParameteriv"); + glGenerateMipmap = (_glGenerateMipmap) qt_gl_getProcAddressEXT(ctx, "glGenerateMipmap"); + + return glIsRenderbuffer != 0; +#else + return true; +#endif +} + +#if !defined(QT_OPENGL_ES_2) +bool qt_resolve_version_1_3_functions(QGLContext *ctx) +{ + if (glMultiTexCoord4f != 0) + return true; + + QGLContext cx(QGLFormat::defaultFormat()); + glMultiTexCoord4f = (_glMultiTexCoord4f) ctx->getProcAddress(QLatin1String("glMultiTexCoord4f")); + + glActiveTexture = (_glActiveTexture) ctx->getProcAddress(QLatin1String("glActiveTexture")); + return glMultiTexCoord4f && glActiveTexture; +} +#endif + +#if !defined(QT_OPENGL_ES_2) +bool qt_resolve_stencil_face_extension(QGLContext *ctx) +{ + if (glActiveStencilFaceEXT != 0) + return true; + + QGLContext cx(QGLFormat::defaultFormat()); + glActiveStencilFaceEXT = (_glActiveStencilFaceEXT) ctx->getProcAddress(QLatin1String("glActiveStencilFaceEXT")); + + return glActiveStencilFaceEXT; +} +#endif + + +#if !defined(QT_OPENGL_ES_2) +bool qt_resolve_frag_program_extensions(QGLContext *ctx) +{ + if (glProgramStringARB != 0) + return true; + + // ARB_fragment_program + glProgramStringARB = (_glProgramStringARB) ctx->getProcAddress(QLatin1String("glProgramStringARB")); + glBindProgramARB = (_glBindProgramARB) ctx->getProcAddress(QLatin1String("glBindProgramARB")); + glDeleteProgramsARB = (_glDeleteProgramsARB) ctx->getProcAddress(QLatin1String("glDeleteProgramsARB")); + glGenProgramsARB = (_glGenProgramsARB) ctx->getProcAddress(QLatin1String("glGenProgramsARB")); + glProgramLocalParameter4fvARB = (_glProgramLocalParameter4fvARB) ctx->getProcAddress(QLatin1String("glProgramLocalParameter4fvARB")); + + return glProgramStringARB + && glBindProgramARB + && glDeleteProgramsARB + && glGenProgramsARB + && glProgramLocalParameter4fvARB; +} +#endif + + +bool qt_resolve_buffer_extensions(QGLContext *ctx) +{ +#if defined(QGL_RESOLVE_BUFFER_FUNCS) + if (glBindBuffer && glDeleteBuffers && glGenBuffers && glBufferData + && glBufferSubData && glGetBufferParameteriv) + return true; +#endif + +#if defined(QGL_RESOLVE_BUFFER_FUNCS) + glBindBuffer = (_glBindBuffer) qt_gl_getProcAddressARB(ctx, "glBindBuffer"); + glDeleteBuffers = (_glDeleteBuffers) qt_gl_getProcAddressARB(ctx, "glDeleteBuffers"); + glGenBuffers = (_glGenBuffers) qt_gl_getProcAddressARB(ctx, "glGenBuffers"); + glBufferData = (_glBufferData) qt_gl_getProcAddressARB(ctx, "glBufferData"); + glBufferSubData = (_glBufferSubData) qt_gl_getProcAddressARB(ctx, "glBufferSubData"); + glGetBufferSubData = (_glGetBufferSubData) qt_gl_getProcAddressARB(ctx, "glGetBufferSubData"); + glGetBufferParameteriv = (_glGetBufferParameteriv) qt_gl_getProcAddressARB(ctx, "glGetBufferParameteriv"); +#endif + glMapBufferARB = (_glMapBufferARB) qt_gl_getProcAddressARB(ctx, "glMapBuffer"); + glUnmapBufferARB = (_glUnmapBufferARB) qt_gl_getProcAddressARB(ctx, "glUnmapBuffer"); + +#if defined(QGL_RESOLVE_BUFFER_FUNCS) + return glBindBuffer + && glDeleteBuffers + && glGenBuffers + && glBufferData + && glBufferSubData + && glGetBufferParameteriv; + // glGetBufferSubData() is optional +#else + return true; +#endif +} + +#ifndef QT_NO_EGL +bool qt_resolve_eglimage_gl_extensions(QGLContext *ctx) +{ + if (glEGLImageTargetTexture2DOES || glEGLImageTargetRenderbufferStorageOES) + return true; + glEGLImageTargetTexture2DOES = (_glEGLImageTargetTexture2DOES) ctx->getProcAddress(QLatin1String("glEGLImageTargetTexture2DOES")); + glEGLImageTargetRenderbufferStorageOES = (_glEGLImageTargetRenderbufferStorageOES) ctx->getProcAddress(QLatin1String("glEGLImageTargetRenderbufferStorageOES")); + return glEGLImageTargetTexture2DOES && glEGLImageTargetRenderbufferStorageOES; +} +#endif + +bool qt_resolve_glsl_extensions(QGLContext *ctx) +{ + +#if defined(QT_OPENGL_ES_2) + // The GLSL shader functions are always present in OpenGL/ES 2.0. + // The only exceptions are glGetProgramBinaryOES and glProgramBinaryOES. + if (!QGLContextPrivate::extensionFuncs(ctx).qt_glslResolved) { + glGetProgramBinaryOES = (_glGetProgramBinaryOES) ctx->getProcAddress(QLatin1String("glGetProgramBinaryOES")); + glProgramBinaryOES = (_glProgramBinaryOES) ctx->getProcAddress(QLatin1String("glProgramBinaryOES")); + QGLContextPrivate::extensionFuncs(ctx).qt_glslResolved = true; + } + return true; +#else + if (glCreateShader) + return true; + + // Geometry shaders are optional... + glProgramParameteriEXT = (_glProgramParameteriEXT) ctx->getProcAddress(QLatin1String("glProgramParameteriEXT")); + glFramebufferTextureEXT = (_glFramebufferTextureEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureEXT")); + glFramebufferTextureLayerEXT = (_glFramebufferTextureLayerEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureLayerEXT")); + glFramebufferTextureFaceEXT = (_glFramebufferTextureFaceEXT) ctx->getProcAddress(QLatin1String("glFramebufferTextureFaceEXT")); + + // Must at least have the FragmentShader extension to continue. + if (!(QGLExtensions::glExtensions() & QGLExtensions::FragmentShader)) + return false; + + glCreateShader = (_glCreateShader) ctx->getProcAddress(QLatin1String("glCreateShader")); + if (glCreateShader) { + glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSource")); + glShaderBinary = (_glShaderBinary) ctx->getProcAddress(QLatin1String("glShaderBinary")); + glCompileShader = (_glCompileShader) ctx->getProcAddress(QLatin1String("glCompileShader")); + glDeleteShader = (_glDeleteShader) ctx->getProcAddress(QLatin1String("glDeleteShader")); + glIsShader = (_glIsShader) ctx->getProcAddress(QLatin1String("glIsShader")); + + glCreateProgram = (_glCreateProgram) ctx->getProcAddress(QLatin1String("glCreateProgram")); + glAttachShader = (_glAttachShader) ctx->getProcAddress(QLatin1String("glAttachShader")); + glDetachShader = (_glDetachShader) ctx->getProcAddress(QLatin1String("glDetachShader")); + glLinkProgram = (_glLinkProgram) ctx->getProcAddress(QLatin1String("glLinkProgram")); + glUseProgram = (_glUseProgram) ctx->getProcAddress(QLatin1String("glUseProgram")); + glDeleteProgram = (_glDeleteProgram) ctx->getProcAddress(QLatin1String("glDeleteProgram")); + glIsProgram = (_glIsProgram) ctx->getProcAddress(QLatin1String("glIsProgram")); + + glGetShaderInfoLog = (_glGetShaderInfoLog) ctx->getProcAddress(QLatin1String("glGetShaderInfoLog")); + glGetShaderiv = (_glGetShaderiv) ctx->getProcAddress(QLatin1String("glGetShaderiv")); + glGetShaderSource = (_glGetShaderSource) ctx->getProcAddress(QLatin1String("glGetShaderSource")); + glGetProgramiv = (_glGetProgramiv) ctx->getProcAddress(QLatin1String("glGetProgramiv")); + glGetProgramInfoLog = (_glGetProgramInfoLog) ctx->getProcAddress(QLatin1String("glGetProgramInfoLog")); + + glGetUniformLocation = (_glGetUniformLocation) ctx->getProcAddress(QLatin1String("glGetUniformLocation")); + glUniform4fv = (_glUniform4fv) ctx->getProcAddress(QLatin1String("glUniform4fv")); + glUniform3fv = (_glUniform3fv) ctx->getProcAddress(QLatin1String("glUniform3fv")); + glUniform2fv = (_glUniform2fv) ctx->getProcAddress(QLatin1String("glUniform2fv")); + glUniform1fv = (_glUniform1fv) ctx->getProcAddress(QLatin1String("glUniform1fv")); + glUniform1i = (_glUniform1i) ctx->getProcAddress(QLatin1String("glUniform1i")); + glUniform1iv = (_glUniform1iv) ctx->getProcAddress(QLatin1String("glUniform1iv")); + glUniformMatrix2fv = (_glUniformMatrix2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2fv")); + glUniformMatrix3fv = (_glUniformMatrix3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3fv")); + glUniformMatrix4fv = (_glUniformMatrix4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4fv")); + glUniformMatrix2x3fv = (_glUniformMatrix2x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x3fv")); + glUniformMatrix2x4fv = (_glUniformMatrix2x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x4fv")); + glUniformMatrix3x2fv = (_glUniformMatrix3x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x2fv")); + glUniformMatrix3x4fv = (_glUniformMatrix3x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x4fv")); + glUniformMatrix4x2fv = (_glUniformMatrix4x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x2fv")); + glUniformMatrix4x3fv = (_glUniformMatrix4x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x3fv")); + + glBindAttribLocation = (_glBindAttribLocation) ctx->getProcAddress(QLatin1String("glBindAttribLocation")); + glGetAttribLocation = (_glGetAttribLocation) ctx->getProcAddress(QLatin1String("glGetAttribLocation")); + glVertexAttrib1fv = (_glVertexAttrib1fv) ctx->getProcAddress(QLatin1String("glVertexAttrib1fv")); + glVertexAttrib2fv = (_glVertexAttrib2fv) ctx->getProcAddress(QLatin1String("glVertexAttrib2fv")); + glVertexAttrib3fv = (_glVertexAttrib3fv) ctx->getProcAddress(QLatin1String("glVertexAttrib3fv")); + glVertexAttrib4fv = (_glVertexAttrib4fv) ctx->getProcAddress(QLatin1String("glVertexAttrib4fv")); + 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. + glCreateShader = (_glCreateShader) ctx->getProcAddress(QLatin1String("glCreateShaderObjectARB")); + glShaderSource = (_glShaderSource) ctx->getProcAddress(QLatin1String("glShaderSourceARB")); + glShaderBinary = (_glShaderBinary) ctx->getProcAddress(QLatin1String("glShaderBinaryARB")); + glCompileShader = (_glCompileShader) ctx->getProcAddress(QLatin1String("glCompileShaderARB")); + glDeleteShader = (_glDeleteShader) ctx->getProcAddress(QLatin1String("glDeleteObjectARB")); + glIsShader = 0; + + glCreateProgram = (_glCreateProgram) ctx->getProcAddress(QLatin1String("glCreateProgramObjectARB")); + glAttachShader = (_glAttachShader) ctx->getProcAddress(QLatin1String("glAttachObjectARB")); + glDetachShader = (_glDetachShader) ctx->getProcAddress(QLatin1String("glDetachObjectARB")); + glLinkProgram = (_glLinkProgram) ctx->getProcAddress(QLatin1String("glLinkProgramARB")); + glUseProgram = (_glUseProgram) ctx->getProcAddress(QLatin1String("glUseProgramObjectARB")); + glDeleteProgram = (_glDeleteProgram) ctx->getProcAddress(QLatin1String("glDeleteObjectARB")); + glIsProgram = 0; + + glGetShaderInfoLog = (_glGetShaderInfoLog) ctx->getProcAddress(QLatin1String("glGetInfoLogARB")); + glGetShaderiv = (_glGetShaderiv) ctx->getProcAddress(QLatin1String("glGetObjectParameterivARB")); + glGetShaderSource = (_glGetShaderSource) ctx->getProcAddress(QLatin1String("glGetShaderSourceARB")); + glGetProgramiv = (_glGetProgramiv) ctx->getProcAddress(QLatin1String("glGetObjectParameterivARB")); + glGetProgramInfoLog = (_glGetProgramInfoLog) ctx->getProcAddress(QLatin1String("glGetInfoLogARB")); + + glGetUniformLocation = (_glGetUniformLocation) ctx->getProcAddress(QLatin1String("glGetUniformLocationARB")); + glUniform4fv = (_glUniform4fv) ctx->getProcAddress(QLatin1String("glUniform4fvARB")); + glUniform3fv = (_glUniform3fv) ctx->getProcAddress(QLatin1String("glUniform3fvARB")); + glUniform2fv = (_glUniform2fv) ctx->getProcAddress(QLatin1String("glUniform2fvARB")); + glUniform1fv = (_glUniform1fv) ctx->getProcAddress(QLatin1String("glUniform1fvARB")); + glUniform1i = (_glUniform1i) ctx->getProcAddress(QLatin1String("glUniform1iARB")); + glUniform1iv = (_glUniform1iv) ctx->getProcAddress(QLatin1String("glUniform1ivARB")); + glUniformMatrix2fv = (_glUniformMatrix2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2fvARB")); + glUniformMatrix3fv = (_glUniformMatrix3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3fvARB")); + glUniformMatrix4fv = (_glUniformMatrix4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4fvARB")); + glUniformMatrix2x3fv = (_glUniformMatrix2x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x3fvARB")); + glUniformMatrix2x4fv = (_glUniformMatrix2x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix2x4fvARB")); + glUniformMatrix3x2fv = (_glUniformMatrix3x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x2fvARB")); + glUniformMatrix3x4fv = (_glUniformMatrix3x4fv) ctx->getProcAddress(QLatin1String("glUniformMatrix3x4fvARB")); + glUniformMatrix4x2fv = (_glUniformMatrix4x2fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x2fvARB")); + glUniformMatrix4x3fv = (_glUniformMatrix4x3fv) ctx->getProcAddress(QLatin1String("glUniformMatrix4x3fvARB")); + + glBindAttribLocation = (_glBindAttribLocation) ctx->getProcAddress(QLatin1String("glBindAttribLocationARB")); + glGetAttribLocation = (_glGetAttribLocation) ctx->getProcAddress(QLatin1String("glGetAttribLocationARB")); + glVertexAttrib1fv = (_glVertexAttrib1fv) ctx->getProcAddress(QLatin1String("glVertexAttrib1fvARB")); + glVertexAttrib2fv = (_glVertexAttrib2fv) ctx->getProcAddress(QLatin1String("glVertexAttrib2fvARB")); + glVertexAttrib3fv = (_glVertexAttrib3fv) ctx->getProcAddress(QLatin1String("glVertexAttrib3fvARB")); + glVertexAttrib4fv = (_glVertexAttrib4fv) ctx->getProcAddress(QLatin1String("glVertexAttrib4fvARB")); + glVertexAttribPointer = (_glVertexAttribPointer) ctx->getProcAddress(QLatin1String("glVertexAttribPointerARB")); + glDisableVertexAttribArray = (_glDisableVertexAttribArray) ctx->getProcAddress(QLatin1String("glDisableVertexAttribArrayARB")); + glEnableVertexAttribArray = (_glEnableVertexAttribArray) ctx->getProcAddress(QLatin1String("glEnableVertexAttribArrayARB")); + } + + // Note: glShaderBinary(), glIsShader(), glIsProgram(), and + // glUniformMatrixNxMfv() are optional, but all other functions + // are required. + + return glCreateShader && + glShaderSource && + glCompileShader && + glDeleteProgram && + glCreateProgram && + glAttachShader && + glDetachShader && + glLinkProgram && + glUseProgram && + glDeleteProgram && + glGetShaderInfoLog && + glGetShaderiv && + glGetShaderSource && + glGetProgramiv && + glGetProgramInfoLog && + glGetUniformLocation && + glUniform1fv && + glUniform2fv && + glUniform3fv && + glUniform4fv && + glUniform1i && + glUniform1iv && + glUniformMatrix2fv && + glUniformMatrix3fv && + glUniformMatrix4fv && + glBindAttribLocation && + glGetAttribLocation && + glVertexAttrib1fv && + glVertexAttrib2fv && + glVertexAttrib3fv && + glVertexAttrib4fv && + glVertexAttribPointer && + glDisableVertexAttribArray && + glEnableVertexAttribArray; +#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 (!qt_resolve_framebufferobject_extensions(ctx)) + gl2supported = false; + + if (glStencilOpSeparate) + return gl2supported; + + glBlendColor = (_glBlendColor) ctx->getProcAddress(QLatin1String("glBlendColor")); + glStencilOpSeparate = (_glStencilOpSeparate) ctx->getProcAddress(QLatin1String("glStencilOpSeparate")); + if (!glBlendColor || !glStencilOpSeparate) + gl2supported = false; + + return gl2supported; +} +#endif + + +QT_END_NAMESPACE |