390 lines
14 KiB
C++
390 lines
14 KiB
C++
/** @file
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*
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* VBox frontends: Qt GUI ("VirtualBox"):
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* OpenGL support info used for 2D support detection
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*/
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/*
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* Copyright (C) 2009-2023 Oracle and/or its affiliates.
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*
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* This file is part of VirtualBox base platform packages, as
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* available from https://www.virtualbox.org.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, in version 3 of the
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* License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses>.
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*
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* The contents of this file may alternatively be used under the terms
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* of the Common Development and Distribution License Version 1.0
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* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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* in the VirtualBox distribution, in which case the provisions of the
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* CDDL are applicable instead of those of the GPL.
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*
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* You may elect to license modified versions of this file under the
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* terms and conditions of either the GPL or the CDDL or both.
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*
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* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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*/
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#ifndef VBOX_INCLUDED_VBoxGL2D_h
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#define VBOX_INCLUDED_VBoxGL2D_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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#include <iprt/types.h>
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typedef char GLchar;
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#ifndef GL_COMPILE_STATUS
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# define GL_COMPILE_STATUS 0x8b81
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#endif
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#ifndef GL_LINK_STATUS
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# define GL_LINK_STATUS 0x8b82
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#endif
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#ifndef GL_FRAGMENT_SHADER
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# define GL_FRAGMENT_SHADER 0x8b30
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#endif
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#ifndef GL_VERTEX_SHADER
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# define GL_VERTEX_SHADER 0x8b31
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#endif
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/* GL_ARB_multitexture */
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#ifndef GL_TEXTURE0
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# define GL_TEXTURE0 0x84c0
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#endif
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#ifndef GL_TEXTURE1
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# define GL_TEXTURE1 0x84c1
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#endif
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#ifndef GL_MAX_TEXTURE_COORDS
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# define GL_MAX_TEXTURE_COORDS 0x8871
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#endif
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#ifndef GL_MAX_TEXTURE_IMAGE_UNITS
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# define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
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#endif
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#ifndef APIENTRY
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# define APIENTRY
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#endif
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_ACTIVE_TEXTURE) (GLenum texture);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_MULTI_TEX_COORD2I) (GLenum texture, GLint v0, GLint v1);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_MULTI_TEX_COORD2F) (GLenum texture, GLfloat v0, GLfloat v1);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_MULTI_TEX_COORD2D) (GLenum texture, GLdouble v0, GLdouble v1);
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/* GL_ARB_texture_rectangle */
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#ifndef GL_TEXTURE_RECTANGLE
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# define GL_TEXTURE_RECTANGLE 0x84F5
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#endif
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/* GL_ARB_shader_objects */
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/* GL_ARB_fragment_shader */
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typedef GLuint (APIENTRY *PFNVBOXVHWA_CREATE_SHADER) (GLenum type);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_SHADER_SOURCE) (GLuint shader, GLsizei count, const GLchar **string, const GLint *length);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_COMPILE_SHADER) (GLuint shader);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_SHADER) (GLuint shader);
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typedef GLuint (APIENTRY *PFNVBOXVHWA_CREATE_PROGRAM) ();
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_ATTACH_SHADER) (GLuint program, GLuint shader);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_DETACH_SHADER) (GLuint program, GLuint shader);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_LINK_PROGRAM) (GLuint program);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_USE_PROGRAM) (GLuint program);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_PROGRAM) (GLuint program);
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typedef GLboolean (APIENTRY *PFNVBOXVHWA_IS_SHADER) (GLuint shader);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_SHADERIV) (GLuint shader, GLenum pname, GLint *params);
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typedef GLboolean (APIENTRY *PFNVBOXVHWA_IS_PROGRAM) (GLuint program);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_PROGRAMIV) (GLuint program, GLenum pname, GLint *params);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_ATTACHED_SHADERS) (GLuint program, GLsizei maxCount, GLsizei *count, GLuint *shaders);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_SHADER_INFO_LOG) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_PROGRAM_INFO_LOG) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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typedef GLint (APIENTRY *PFNVBOXVHWA_GET_UNIFORM_LOCATION) (GLint programObj, const GLchar *name);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM1F)(GLint location, GLfloat v0);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM2F)(GLint location, GLfloat v0, GLfloat v1);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM3F)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM4F)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM1I)(GLint location, GLint v0);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM2I)(GLint location, GLint v0, GLint v1);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM3I)(GLint location, GLint v0, GLint v1, GLint v2);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_UNIFORM4I)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
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/* GL_ARB_pixel_buffer_object*/
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#ifndef Q_WS_MAC
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/* apears to be defined on mac */
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typedef ptrdiff_t GLsizeiptr;
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#endif
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#ifndef GL_READ_ONLY
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# define GL_READ_ONLY 0x88B8
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#endif
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#ifndef GL_WRITE_ONLY
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# define GL_WRITE_ONLY 0x88B9
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#endif
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#ifndef GL_READ_WRITE
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# define GL_READ_WRITE 0x88BA
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#endif
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#ifndef GL_STREAM_DRAW
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# define GL_STREAM_DRAW 0x88E0
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#endif
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#ifndef GL_STREAM_READ
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# define GL_STREAM_READ 0x88E1
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#endif
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#ifndef GL_STREAM_COPY
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# define GL_STREAM_COPY 0x88E2
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#endif
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#ifndef GL_DYNAMIC_DRAW
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# define GL_DYNAMIC_DRAW 0x88E8
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#endif
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#ifndef GL_PIXEL_PACK_BUFFER
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# define GL_PIXEL_PACK_BUFFER 0x88EB
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#endif
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#ifndef GL_PIXEL_UNPACK_BUFFER
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# define GL_PIXEL_UNPACK_BUFFER 0x88EC
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#endif
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#ifndef GL_PIXEL_PACK_BUFFER_BINDING
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# define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED
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#endif
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#ifndef GL_PIXEL_UNPACK_BUFFER_BINDING
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# define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF
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#endif
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GEN_BUFFERS)(GLsizei n, GLuint *buffers);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_BUFFERS)(GLsizei n, const GLuint *buffers);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_BIND_BUFFER)(GLenum target, GLuint buffer);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_BUFFER_DATA)(GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
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typedef GLvoid* (APIENTRY *PFNVBOXVHWA_MAP_BUFFER)(GLenum target, GLenum access);
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typedef GLboolean (APIENTRY *PFNVBOXVHWA_UNMAP_BUFFER)(GLenum target);
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/* GL_EXT_framebuffer_object */
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#ifndef GL_FRAMEBUFFER
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# define GL_FRAMEBUFFER 0x8D40
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#endif
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#ifndef GL_COLOR_ATTACHMENT0
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# define GL_COLOR_ATTACHMENT0 0x8CE0
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#endif
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typedef GLboolean (APIENTRY *PFNVBOXVHWA_IS_FRAMEBUFFER)(GLuint framebuffer);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_BIND_FRAMEBUFFER)(GLenum target, GLuint framebuffer);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_DELETE_FRAMEBUFFERS)(GLsizei n, const GLuint *framebuffers);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GEN_FRAMEBUFFERS)(GLsizei n, GLuint *framebuffers);
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typedef GLenum (APIENTRY *PFNVBOXVHWA_CHECK_FRAMEBUFFER_STATUS)(GLenum target);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_FRAMEBUFFER_TEXTURE1D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_FRAMEBUFFER_TEXTURE2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_FRAMEBUFFER_TEXTURE3D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
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typedef GLvoid (APIENTRY *PFNVBOXVHWA_GET_FRAMEBUFFER_ATTACHMENT_PARAMETRIV)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
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/*****************/
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/* functions */
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/* @todo: move those to VBoxGLInfo class instance members ??? */
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extern PFNVBOXVHWA_ACTIVE_TEXTURE vboxglActiveTexture;
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extern PFNVBOXVHWA_MULTI_TEX_COORD2I vboxglMultiTexCoord2i;
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extern PFNVBOXVHWA_MULTI_TEX_COORD2D vboxglMultiTexCoord2d;
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extern PFNVBOXVHWA_MULTI_TEX_COORD2F vboxglMultiTexCoord2f;
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extern PFNVBOXVHWA_CREATE_SHADER vboxglCreateShader;
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extern PFNVBOXVHWA_SHADER_SOURCE vboxglShaderSource;
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extern PFNVBOXVHWA_COMPILE_SHADER vboxglCompileShader;
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extern PFNVBOXVHWA_DELETE_SHADER vboxglDeleteShader;
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extern PFNVBOXVHWA_CREATE_PROGRAM vboxglCreateProgram;
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extern PFNVBOXVHWA_ATTACH_SHADER vboxglAttachShader;
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extern PFNVBOXVHWA_DETACH_SHADER vboxglDetachShader;
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extern PFNVBOXVHWA_LINK_PROGRAM vboxglLinkProgram;
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extern PFNVBOXVHWA_USE_PROGRAM vboxglUseProgram;
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extern PFNVBOXVHWA_DELETE_PROGRAM vboxglDeleteProgram;
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extern PFNVBOXVHWA_IS_SHADER vboxglIsShader;
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extern PFNVBOXVHWA_GET_SHADERIV vboxglGetShaderiv;
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extern PFNVBOXVHWA_IS_PROGRAM vboxglIsProgram;
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extern PFNVBOXVHWA_GET_PROGRAMIV vboxglGetProgramiv;
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extern PFNVBOXVHWA_GET_ATTACHED_SHADERS vboxglGetAttachedShaders;
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extern PFNVBOXVHWA_GET_SHADER_INFO_LOG vboxglGetShaderInfoLog;
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extern PFNVBOXVHWA_GET_PROGRAM_INFO_LOG vboxglGetProgramInfoLog;
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extern PFNVBOXVHWA_GET_UNIFORM_LOCATION vboxglGetUniformLocation;
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extern PFNVBOXVHWA_UNIFORM1F vboxglUniform1f;
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extern PFNVBOXVHWA_UNIFORM2F vboxglUniform2f;
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extern PFNVBOXVHWA_UNIFORM3F vboxglUniform3f;
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extern PFNVBOXVHWA_UNIFORM4F vboxglUniform4f;
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extern PFNVBOXVHWA_UNIFORM1I vboxglUniform1i;
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extern PFNVBOXVHWA_UNIFORM2I vboxglUniform2i;
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extern PFNVBOXVHWA_UNIFORM3I vboxglUniform3i;
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extern PFNVBOXVHWA_UNIFORM4I vboxglUniform4i;
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extern PFNVBOXVHWA_GEN_BUFFERS vboxglGenBuffers;
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extern PFNVBOXVHWA_DELETE_BUFFERS vboxglDeleteBuffers;
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extern PFNVBOXVHWA_BIND_BUFFER vboxglBindBuffer;
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extern PFNVBOXVHWA_BUFFER_DATA vboxglBufferData;
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extern PFNVBOXVHWA_MAP_BUFFER vboxglMapBuffer;
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extern PFNVBOXVHWA_UNMAP_BUFFER vboxglUnmapBuffer;
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extern PFNVBOXVHWA_IS_FRAMEBUFFER vboxglIsFramebuffer;
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extern PFNVBOXVHWA_BIND_FRAMEBUFFER vboxglBindFramebuffer;
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extern PFNVBOXVHWA_DELETE_FRAMEBUFFERS vboxglDeleteFramebuffers;
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extern PFNVBOXVHWA_GEN_FRAMEBUFFERS vboxglGenFramebuffers;
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extern PFNVBOXVHWA_CHECK_FRAMEBUFFER_STATUS vboxglCheckFramebufferStatus;
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extern PFNVBOXVHWA_FRAMEBUFFER_TEXTURE1D vboxglFramebufferTexture1D;
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extern PFNVBOXVHWA_FRAMEBUFFER_TEXTURE2D vboxglFramebufferTexture2D;
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extern PFNVBOXVHWA_FRAMEBUFFER_TEXTURE3D vboxglFramebufferTexture3D;
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extern PFNVBOXVHWA_GET_FRAMEBUFFER_ATTACHMENT_PARAMETRIV vboxglGetFramebufferAttachmentParameteriv;
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/*
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* Glossing over qt 5 vs 6 differences.
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*
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* Note! We could use the qt6 classes in 5, but we probably don't have the
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* necessary modules in our current qt builds.
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*/
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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class QOpenGLWidget;
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class QOpenGLContext;
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# define MY_QOpenGLWidget QOpenGLWidget
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# define MY_QOpenGLContext QOpenGLContext
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#else
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class QGLWidget;
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class QGLContext;
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# define MY_QOpenGLWidget QGLWidget
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# define MY_QOpenGLContext QGLContext
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#endif
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class VBoxGLInfo
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{
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public:
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VBoxGLInfo() :
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mGLVersion(0),
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mFragmentShaderSupported(false),
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mTextureRectangleSupported(false),
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mTextureNP2Supported(false),
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mPBOSupported(false),
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mFBOSupported(false),
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mMultiTexNumSupported(1), /* 1 would mean it is not supported */
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m_GL_ARB_multitexture(false),
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m_GL_ARB_shader_objects(false),
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m_GL_ARB_fragment_shader(false),
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m_GL_ARB_pixel_buffer_object(false),
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m_GL_ARB_texture_rectangle(false),
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m_GL_EXT_texture_rectangle(false),
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m_GL_NV_texture_rectangle(false),
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m_GL_ARB_texture_non_power_of_two(false),
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m_GL_EXT_framebuffer_object(false),
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mInitialized(false)
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{}
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void init(const MY_QOpenGLContext *pContext);
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bool isInitialized() const { return mInitialized; }
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int getGLVersion() const { return mGLVersion; }
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bool isFragmentShaderSupported() const { return mFragmentShaderSupported; }
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bool isTextureRectangleSupported() const { return mTextureRectangleSupported; }
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bool isTextureNP2Supported() const { return mTextureNP2Supported; }
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bool isPBOSupported() const { return mPBOSupported; }
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/* some ATI drivers do not seem to support non-zero offsets when dealing with PBOs
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* @todo: add a check for that, always unsupported currently */
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bool isPBOOffsetSupported() const { return false; }
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bool isFBOSupported() const { return mFBOSupported; }
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/* 1 would mean it is not supported */
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int getMultiTexNumSupported() const { return mMultiTexNumSupported; }
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static int parseVersion(const GLubyte * ver);
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private:
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void initExtSupport(const MY_QOpenGLContext &context);
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int mGLVersion;
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bool mFragmentShaderSupported;
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bool mTextureRectangleSupported;
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bool mTextureNP2Supported;
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bool mPBOSupported;
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bool mFBOSupported;
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int mMultiTexNumSupported; /* 1 would mean it is not supported */
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bool m_GL_ARB_multitexture;
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bool m_GL_ARB_shader_objects;
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bool m_GL_ARB_fragment_shader;
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bool m_GL_ARB_pixel_buffer_object;
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bool m_GL_ARB_texture_rectangle;
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bool m_GL_EXT_texture_rectangle;
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bool m_GL_NV_texture_rectangle;
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bool m_GL_ARB_texture_non_power_of_two;
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bool m_GL_EXT_framebuffer_object;
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bool mInitialized;
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};
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class VBoxGLTmpContext
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{
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public:
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VBoxGLTmpContext();
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~VBoxGLTmpContext();
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const MY_QOpenGLContext *makeCurrent();
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private:
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MY_QOpenGLWidget *mWidget;
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};
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#define VBOXQGL_MAKEFOURCC(ch0, ch1, ch2, ch3) \
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((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) | \
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((uint32_t)(uint8_t)(ch2) << 16) | ((uint32_t)(uint8_t)(ch3) << 24 ))
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#define FOURCC_AYUV VBOXQGL_MAKEFOURCC('A', 'Y', 'U', 'V')
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#define FOURCC_UYVY VBOXQGL_MAKEFOURCC('U', 'Y', 'V', 'Y')
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#define FOURCC_YUY2 VBOXQGL_MAKEFOURCC('Y', 'U', 'Y', '2')
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#define FOURCC_YV12 VBOXQGL_MAKEFOURCC('Y', 'V', '1', '2')
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#define VBOXVHWA_NUMFOURCC 4
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class VBoxVHWAInfo
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{
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public:
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VBoxVHWAInfo() :
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mFourccSupportedCount(0),
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mInitialized(false)
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{}
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VBoxVHWAInfo(const VBoxGLInfo & glInfo) :
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mglInfo(glInfo),
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mFourccSupportedCount(0),
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mInitialized(false)
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{}
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void init(const MY_QOpenGLContext *pContext);
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bool isInitialized() const { return mInitialized; }
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const VBoxGLInfo & getGlInfo() const { return mglInfo; }
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bool isVHWASupported() const;
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int getFourccSupportedCount() const { return mFourccSupportedCount; }
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const uint32_t * getFourccSupportedList() const { return mFourccSupportedList; }
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static bool checkVHWASupport();
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private:
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VBoxGLInfo mglInfo;
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uint32_t mFourccSupportedList[VBOXVHWA_NUMFOURCC];
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int mFourccSupportedCount;
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bool mInitialized;
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};
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#endif /* !VBOX_INCLUDED_VBoxGL2D_h */
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