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-rw-r--r--src/opengl/qglextensions.cpp123
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
generated by cgit v0.12 at 2024-10-25 03:40:25 (GMT)