Remove ANGLE

This marks the end of EGL and OpenGL ES support on Windows.

The concepts of -opengl dynamic, -opengl desktop, QT_OPENGL=software,
etc. remain unchanged, with the exception of the disapperance of
everything ANGLE related.

CMake builds now work identically to qmake on Windows: they default to
'dynamic' OpenGL on Windows, unless -DINPUT_opengl=desktop is specified.

On Windows, Qt 6 is expected to default to the "dynamic" OpenGL model by
default, just like Qt 5.15. This can be changed by switching to "desktop"
OpenGL, which will link to opengl32 (publicly, so other libs and applications
will do so as well) and disallows using another OpenGL DLL.

The "dynamic" mode is essential still because the fallback to a software
rasterizer, such as the opengl32sw.dll we ship with the Qt packages,
has to to work exactly like in Qt 5, the removal of ANGLE does not
change this concept in any way (except of course that the middle option
of using ANGLE is now gone)

When it comes to the windows plugin's OpenGL blacklist feature, it works
like before and accepts the ANGLE/D3D related keywords. They will
then be ignored. Similarly, requesting QT_OPENGL=angle is ignored (but
will show a warning).

The D3D11 and DXGI configure time tests are removed: Qt 5.14 already
depends on D3D 11.1 and DXGI 1.3 headers being available unconditionally
on Win32 (in QRhi's D3D11 backend). No need to test for these.

[ChangeLog][Windows] ANGLE is no longer included with Qt. Dynamic OpenGL
builds work like before but ANGLE is no longer an option. OpenGL proper
or an alternative opengl32 implementation are the two remaining options
now. Attempting to set QT_OPENGL=angle or Qt::AA_UseOpenGLES will have
no effect on Windows.

Fixes: QTBUG-79103
Change-Id: Ia404e0d07f3fe191b27434d863c81180112ecb3b
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

1 files changed, 0 insertions, 107 deletions

diff --git a/src/3rdparty/angle/src/libANGLE/renderer/ProgramImpl.h b/src/3rdparty/angle/src/libANGLE/renderer/ProgramImpl.h
deleted file mode 100644
index 2371b2759c..0000000000
--- a/src/3rdparty/angle/src/libANGLE/renderer/ProgramImpl.h
+++ /dev/null
@@ -1,107 +0,0 @@
-//
-// Copyright 2014 The ANGLE Project Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-
-// ProgramImpl.h: Defines the abstract rx::ProgramImpl class.
-
-#ifndef LIBANGLE_RENDERER_PROGRAMIMPL_H_
-#define LIBANGLE_RENDERER_PROGRAMIMPL_H_
-
-#include "common/angleutils.h"
-#include "libANGLE/BinaryStream.h"
-#include "libANGLE/Constants.h"
-#include "libANGLE/Program.h"
-#include "libANGLE/Shader.h"
-
-#include <map>
-
-namespace gl
-{
-class Context;
-struct ProgramLinkedResources;
-}
-
-namespace sh
-{
-struct BlockMemberInfo;
-}
-
-namespace rx
-{
-class ProgramImpl : angle::NonCopyable
-{
-  public:
-    ProgramImpl(const gl::ProgramState &state) : mState(state) {}
-    virtual ~ProgramImpl() {}
-    virtual void destroy(const gl::Context *context) {}
-
-    virtual gl::LinkResult load(const gl::Context *context,
-                                gl::InfoLog &infoLog,
-                                gl::BinaryInputStream *stream) = 0;
-    virtual void save(const gl::Context *context, gl::BinaryOutputStream *stream) = 0;
-    virtual void setBinaryRetrievableHint(bool retrievable) = 0;
-    virtual void setSeparable(bool separable)               = 0;
-
-    virtual gl::LinkResult link(const gl::Context *context,
-                                const gl::ProgramLinkedResources &resources,
-                                gl::InfoLog &infoLog)                      = 0;
-    virtual GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) = 0;
-
-    virtual void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) = 0;
-    virtual void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) = 0;
-    virtual void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) = 0;
-    virtual void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) = 0;
-    virtual void setUniform1iv(GLint location, GLsizei count, const GLint *v) = 0;
-    virtual void setUniform2iv(GLint location, GLsizei count, const GLint *v) = 0;
-    virtual void setUniform3iv(GLint location, GLsizei count, const GLint *v) = 0;
-    virtual void setUniform4iv(GLint location, GLsizei count, const GLint *v) = 0;
-    virtual void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) = 0;
-    virtual void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) = 0;
-    virtual void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) = 0;
-    virtual void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) = 0;
-    virtual void setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-    virtual void setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
-
-    // Done in the back-end to avoid having to keep a system copy of uniform data.
-    virtual void getUniformfv(const gl::Context *context,
-                              GLint location,
-                              GLfloat *params) const = 0;
-    virtual void getUniformiv(const gl::Context *context, GLint location, GLint *params) const = 0;
-    virtual void getUniformuiv(const gl::Context *context,
-                               GLint location,
-                               GLuint *params) const = 0;
-
-    // TODO: synchronize in syncState when dirty bits exist.
-    virtual void setUniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding) = 0;
-
-    // CHROMIUM_path_rendering
-    // Set parameters to control fragment shader input variable interpolation
-    virtual void setPathFragmentInputGen(const std::string &inputName,
-                                         GLenum genMode,
-                                         GLint components,
-                                         const GLfloat *coeffs) = 0;
-
-    // Implementation-specific method for ignoring unreferenced uniforms. Some implementations may
-    // perform more extensive analysis and ignore some locations that ANGLE doesn't detect as
-    // unreferenced. This method is not required to be overriden by a back-end.
-    virtual void markUnusedUniformLocations(std::vector<gl::VariableLocation> *uniformLocations,
-                                            std::vector<gl::SamplerBinding> *samplerBindings)
-    {
-    }
-
-  protected:
-    const gl::ProgramState &mState;
-};
-
-}  // namespace rx
-
-#endif // LIBANGLE_RENDERER_PROGRAMIMPL_H_