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Diffstat (limited to 'include/VBox/VBoxGL2D.h')
| -rw-r--r-- | include/VBox/VBoxGL2D.h | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/include/VBox/VBoxGL2D.h b/include/VBox/VBoxGL2D.h new file mode 100644 index 00000000..c0a9a4aa --- /dev/null +++ b/include/VBox/VBoxGL2D.h @@ -0,0 +1,390 @@ +/** @file + * + * VBox frontends: Qt GUI ("VirtualBox"): + * OpenGL support info used for 2D support detection + */ + +/* + * Copyright (C) 2009-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef VBOX_INCLUDED_VBoxGL2D_h +#define VBOX_INCLUDED_VBoxGL2D_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/types.h> + +typedef char GLchar; + +#ifndef GL_COMPILE_STATUS +# define GL_COMPILE_STATUS 0x8b81 +#endif +#ifndef GL_LINK_STATUS +# define GL_LINK_STATUS 0x8b82 +#endif +#ifndef GL_FRAGMENT_SHADER +# define GL_FRAGMENT_SHADER 0x8b30 +#endif +#ifndef GL_VERTEX_SHADER +# define GL_VERTEX_SHADER 0x8b31 +#endif + +/* GL_ARB_multitexture */ +#ifndef GL_TEXTURE0 +# define GL_TEXTURE0 0x84c0 +#endif +#ifndef GL_TEXTURE1 +# define GL_TEXTURE1 0x84c1 +#endif +#ifndef GL_MAX_TEXTURE_COORDS +# define GL_MAX_TEXTURE_COORDS 0x8871 +#endif +#ifndef GL_MAX_TEXTURE_IMAGE_UNITS +# define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872 +#endif + +#ifndef APIENTRY +# define APIENTRY +#endif + +typedef GLvoid (APIENTRY *PFNVBOXVHWA_ACTIVE_TEXTURE) (GLenum texture); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_MULTI_TEX_COORD2I) (GLenum texture, GLint v0, GLint v1); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_MULTI_TEX_COORD2F) (GLenum texture, GLfloat v0, GLfloat v1); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_MULTI_TEX_COORD2D) (GLenum texture, GLdouble v0, GLdouble v1); + +/* GL_ARB_texture_rectangle */ +#ifndef GL_TEXTURE_RECTANGLE +# define GL_TEXTURE_RECTANGLE 0x84F5 +#endif + +/* GL_ARB_shader_objects */ +/* GL_ARB_fragment_shader */ + +typedef GLuint (APIENTRY *PFNVBOXVHWA_CREATE_SHADER) (GLenum type); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_SHADER_SOURCE) (GLuint shader, GLsizei count, const GLchar **string, const GLint *length); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_COMPILE_SHADER) (GLuint shader); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_SHADER) (GLuint shader); + +typedef GLuint (APIENTRY *PFNVBOXVHWA_CREATE_PROGRAM) (); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_ATTACH_SHADER) (GLuint program, GLuint shader); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_DETACH_SHADER) (GLuint program, GLuint shader); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_LINK_PROGRAM) (GLuint program); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_USE_PROGRAM) (GLuint program); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_PROGRAM) (GLuint program); + +typedef GLboolean (APIENTRY *PFNVBOXVHWA_IS_SHADER) (GLuint shader); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_SHADERIV) (GLuint shader, GLenum pname, GLint *params); +typedef GLboolean (APIENTRY *PFNVBOXVHWA_IS_PROGRAM) (GLuint program); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_PROGRAMIV) (GLuint program, GLenum pname, GLint *params); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_ATTACHED_SHADERS) (GLuint program, GLsizei maxCount, GLsizei *count, GLuint *shaders); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_SHADER_INFO_LOG) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_PROGRAM_INFO_LOG) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +typedef GLint (APIENTRY *PFNVBOXVHWA_GET_UNIFORM_LOCATION) (GLint programObj, const GLchar *name); + +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM1F)(GLint location, GLfloat v0); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM2F)(GLint location, GLfloat v0, GLfloat v1); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM3F)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM4F)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); + +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM1I)(GLint location, GLint v0); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM2I)(GLint location, GLint v0, GLint v1); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM3I)(GLint location, GLint v0, GLint v1, GLint v2); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM4I)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3); + +/* GL_ARB_pixel_buffer_object*/ +#ifndef Q_WS_MAC +/* apears to be defined on mac */ +typedef ptrdiff_t GLsizeiptr; +#endif + +#ifndef GL_READ_ONLY +# define GL_READ_ONLY 0x88B8 +#endif +#ifndef GL_WRITE_ONLY +# define GL_WRITE_ONLY 0x88B9 +#endif +#ifndef GL_READ_WRITE +# define GL_READ_WRITE 0x88BA +#endif +#ifndef GL_STREAM_DRAW +# define GL_STREAM_DRAW 0x88E0 +#endif +#ifndef GL_STREAM_READ +# define GL_STREAM_READ 0x88E1 +#endif +#ifndef GL_STREAM_COPY +# define GL_STREAM_COPY 0x88E2 +#endif +#ifndef GL_DYNAMIC_DRAW +# define GL_DYNAMIC_DRAW 0x88E8 +#endif + +#ifndef GL_PIXEL_PACK_BUFFER +# define GL_PIXEL_PACK_BUFFER 0x88EB +#endif +#ifndef GL_PIXEL_UNPACK_BUFFER +# define GL_PIXEL_UNPACK_BUFFER 0x88EC +#endif +#ifndef GL_PIXEL_PACK_BUFFER_BINDING +# define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED +#endif +#ifndef GL_PIXEL_UNPACK_BUFFER_BINDING +# define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF +#endif + +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GEN_BUFFERS)(GLsizei n, GLuint *buffers); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_BUFFERS)(GLsizei n, const GLuint *buffers); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_BIND_BUFFER)(GLenum target, GLuint buffer); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_BUFFER_DATA)(GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage); +typedef GLvoid* (APIENTRY *PFNVBOXVHWA_MAP_BUFFER)(GLenum target, GLenum access); +typedef GLboolean (APIENTRY *PFNVBOXVHWA_UNMAP_BUFFER)(GLenum target); + +/* GL_EXT_framebuffer_object */ +#ifndef GL_FRAMEBUFFER +# define GL_FRAMEBUFFER 0x8D40 +#endif +#ifndef GL_COLOR_ATTACHMENT0 +# define GL_COLOR_ATTACHMENT0 0x8CE0 +#endif + +typedef GLboolean (APIENTRY *PFNVBOXVHWA_IS_FRAMEBUFFER)(GLuint framebuffer); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_BIND_FRAMEBUFFER)(GLenum target, GLuint framebuffer); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_FRAMEBUFFERS)(GLsizei n, const GLuint *framebuffers); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GEN_FRAMEBUFFERS)(GLsizei n, GLuint *framebuffers); +typedef GLenum (APIENTRY *PFNVBOXVHWA_CHECK_FRAMEBUFFER_STATUS)(GLenum target); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_FRAMEBUFFER_TEXTURE1D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_FRAMEBUFFER_TEXTURE2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_FRAMEBUFFER_TEXTURE3D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_FRAMEBUFFER_ATTACHMENT_PARAMETRIV)(GLenum target, GLenum attachment, GLenum pname, GLint *params); + + +/*****************/ + +/* functions */ + +/* @todo: move those to VBoxGLInfo class instance members ??? */ +extern PFNVBOXVHWA_ACTIVE_TEXTURE vboxglActiveTexture; +extern PFNVBOXVHWA_MULTI_TEX_COORD2I vboxglMultiTexCoord2i; +extern PFNVBOXVHWA_MULTI_TEX_COORD2D vboxglMultiTexCoord2d; +extern PFNVBOXVHWA_MULTI_TEX_COORD2F vboxglMultiTexCoord2f; + + +extern PFNVBOXVHWA_CREATE_SHADER vboxglCreateShader; +extern PFNVBOXVHWA_SHADER_SOURCE vboxglShaderSource; +extern PFNVBOXVHWA_COMPILE_SHADER vboxglCompileShader; +extern PFNVBOXVHWA_DELETE_SHADER vboxglDeleteShader; + +extern PFNVBOXVHWA_CREATE_PROGRAM vboxglCreateProgram; +extern PFNVBOXVHWA_ATTACH_SHADER vboxglAttachShader; +extern PFNVBOXVHWA_DETACH_SHADER vboxglDetachShader; +extern PFNVBOXVHWA_LINK_PROGRAM vboxglLinkProgram; +extern PFNVBOXVHWA_USE_PROGRAM vboxglUseProgram; +extern PFNVBOXVHWA_DELETE_PROGRAM vboxglDeleteProgram; + +extern PFNVBOXVHWA_IS_SHADER vboxglIsShader; +extern PFNVBOXVHWA_GET_SHADERIV vboxglGetShaderiv; +extern PFNVBOXVHWA_IS_PROGRAM vboxglIsProgram; +extern PFNVBOXVHWA_GET_PROGRAMIV vboxglGetProgramiv; +extern PFNVBOXVHWA_GET_ATTACHED_SHADERS vboxglGetAttachedShaders; +extern PFNVBOXVHWA_GET_SHADER_INFO_LOG vboxglGetShaderInfoLog; +extern PFNVBOXVHWA_GET_PROGRAM_INFO_LOG vboxglGetProgramInfoLog; + +extern PFNVBOXVHWA_GET_UNIFORM_LOCATION vboxglGetUniformLocation; + +extern PFNVBOXVHWA_UNIFORM1F vboxglUniform1f; +extern PFNVBOXVHWA_UNIFORM2F vboxglUniform2f; +extern PFNVBOXVHWA_UNIFORM3F vboxglUniform3f; +extern PFNVBOXVHWA_UNIFORM4F vboxglUniform4f; + +extern PFNVBOXVHWA_UNIFORM1I vboxglUniform1i; +extern PFNVBOXVHWA_UNIFORM2I vboxglUniform2i; +extern PFNVBOXVHWA_UNIFORM3I vboxglUniform3i; +extern PFNVBOXVHWA_UNIFORM4I vboxglUniform4i; + +extern PFNVBOXVHWA_GEN_BUFFERS vboxglGenBuffers; +extern PFNVBOXVHWA_DELETE_BUFFERS vboxglDeleteBuffers; +extern PFNVBOXVHWA_BIND_BUFFER vboxglBindBuffer; +extern PFNVBOXVHWA_BUFFER_DATA vboxglBufferData; +extern PFNVBOXVHWA_MAP_BUFFER vboxglMapBuffer; +extern PFNVBOXVHWA_UNMAP_BUFFER vboxglUnmapBuffer; + +extern PFNVBOXVHWA_IS_FRAMEBUFFER vboxglIsFramebuffer; +extern PFNVBOXVHWA_BIND_FRAMEBUFFER vboxglBindFramebuffer; +extern PFNVBOXVHWA_DELETE_FRAMEBUFFERS vboxglDeleteFramebuffers; +extern PFNVBOXVHWA_GEN_FRAMEBUFFERS vboxglGenFramebuffers; +extern PFNVBOXVHWA_CHECK_FRAMEBUFFER_STATUS vboxglCheckFramebufferStatus; +extern PFNVBOXVHWA_FRAMEBUFFER_TEXTURE1D vboxglFramebufferTexture1D; +extern PFNVBOXVHWA_FRAMEBUFFER_TEXTURE2D vboxglFramebufferTexture2D; +extern PFNVBOXVHWA_FRAMEBUFFER_TEXTURE3D vboxglFramebufferTexture3D; +extern PFNVBOXVHWA_GET_FRAMEBUFFER_ATTACHMENT_PARAMETRIV vboxglGetFramebufferAttachmentParameteriv; + + +/* + * Glossing over qt 5 vs 6 differences. + * + * Note! We could use the qt6 classes in 5, but we probably don't have the + * necessary modules in our current qt builds. + */ +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) +class QOpenGLWidget; +class QOpenGLContext; +# define MY_QOpenGLWidget QOpenGLWidget +# define MY_QOpenGLContext QOpenGLContext +#else +class QGLWidget; +class QGLContext; +# define MY_QOpenGLWidget QGLWidget +# define MY_QOpenGLContext QGLContext +#endif + + +class VBoxGLInfo +{ +public: + VBoxGLInfo() : + mGLVersion(0), + mFragmentShaderSupported(false), + mTextureRectangleSupported(false), + mTextureNP2Supported(false), + mPBOSupported(false), + mFBOSupported(false), + mMultiTexNumSupported(1), /* 1 would mean it is not supported */ + m_GL_ARB_multitexture(false), + m_GL_ARB_shader_objects(false), + m_GL_ARB_fragment_shader(false), + m_GL_ARB_pixel_buffer_object(false), + m_GL_ARB_texture_rectangle(false), + m_GL_EXT_texture_rectangle(false), + m_GL_NV_texture_rectangle(false), + m_GL_ARB_texture_non_power_of_two(false), + m_GL_EXT_framebuffer_object(false), + mInitialized(false) + {} + + void init(const MY_QOpenGLContext *pContext); + + bool isInitialized() const { return mInitialized; } + + int getGLVersion() const { return mGLVersion; } + bool isFragmentShaderSupported() const { return mFragmentShaderSupported; } + bool isTextureRectangleSupported() const { return mTextureRectangleSupported; } + bool isTextureNP2Supported() const { return mTextureNP2Supported; } + bool isPBOSupported() const { return mPBOSupported; } + /* some ATI drivers do not seem to support non-zero offsets when dealing with PBOs + * @todo: add a check for that, always unsupported currently */ + bool isPBOOffsetSupported() const { return false; } + bool isFBOSupported() const { return mFBOSupported; } + /* 1 would mean it is not supported */ + int getMultiTexNumSupported() const { return mMultiTexNumSupported; } + + static int parseVersion(const GLubyte * ver); +private: + void initExtSupport(const MY_QOpenGLContext &context); + + int mGLVersion; + bool mFragmentShaderSupported; + bool mTextureRectangleSupported; + bool mTextureNP2Supported; + bool mPBOSupported; + bool mFBOSupported; + int mMultiTexNumSupported; /* 1 would mean it is not supported */ + + bool m_GL_ARB_multitexture; + bool m_GL_ARB_shader_objects; + bool m_GL_ARB_fragment_shader; + bool m_GL_ARB_pixel_buffer_object; + bool m_GL_ARB_texture_rectangle; + bool m_GL_EXT_texture_rectangle; + bool m_GL_NV_texture_rectangle; + bool m_GL_ARB_texture_non_power_of_two; + bool m_GL_EXT_framebuffer_object; + + bool mInitialized; +}; + +class VBoxGLTmpContext +{ +public: + VBoxGLTmpContext(); + ~VBoxGLTmpContext(); + + const MY_QOpenGLContext *makeCurrent(); +private: + MY_QOpenGLWidget *mWidget; +}; + + +#define VBOXQGL_MAKEFOURCC(ch0, ch1, ch2, ch3) \ + ((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) | \ + ((uint32_t)(uint8_t)(ch2) << 16) | ((uint32_t)(uint8_t)(ch3) << 24 )) + +#define FOURCC_AYUV VBOXQGL_MAKEFOURCC('A', 'Y', 'U', 'V') +#define FOURCC_UYVY VBOXQGL_MAKEFOURCC('U', 'Y', 'V', 'Y') +#define FOURCC_YUY2 VBOXQGL_MAKEFOURCC('Y', 'U', 'Y', '2') +#define FOURCC_YV12 VBOXQGL_MAKEFOURCC('Y', 'V', '1', '2') +#define VBOXVHWA_NUMFOURCC 4 + +class VBoxVHWAInfo +{ +public: + VBoxVHWAInfo() : + mFourccSupportedCount(0), + mInitialized(false) + {} + + VBoxVHWAInfo(const VBoxGLInfo & glInfo) : + mglInfo(glInfo), + mFourccSupportedCount(0), + mInitialized(false) + {} + + void init(const MY_QOpenGLContext *pContext); + + bool isInitialized() const { return mInitialized; } + + const VBoxGLInfo & getGlInfo() const { return mglInfo; } + + bool isVHWASupported() const; + + int getFourccSupportedCount() const { return mFourccSupportedCount; } + const uint32_t * getFourccSupportedList() const { return mFourccSupportedList; } + + static bool checkVHWASupport(); +private: + VBoxGLInfo mglInfo; + uint32_t mFourccSupportedList[VBOXVHWA_NUMFOURCC]; + int mFourccSupportedCount; + + bool mInitialized; +}; + +#endif /* !VBOX_INCLUDED_VBoxGL2D_h */ |