nintendo-emulators/desmume
1
0
Fork 0
mirror of https://github.com/TASEmulators/desmume synced 2025-10-05 16:22:49 +02:00
Code Issues Packages Projects Releases Wiki Activity

Remove OSMesa support (#905)

Browse Source 
Mesa has now removed OSMesa from its codebase, see
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33836

There is no reason to keep this any longer, especially since EGL can do
the same and more.
This commit is contained in:
linkmauve
2025-08-18 05:46:34 +02:00
committed by GitHub
parent b568e4359c
commit df06de4cca
14 changed files with 8 additions and 451 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
desmume/README.WIN
View File

@@ -107,7 +107,7 @@ Select available 3d emulation:
0 = 3d disabled
1 = internal desmume software rasterizer (default)
2 = osmesa or gtkglext opengl (if available, depending on compilation options, see desmume --help)
2 = gtkglext opengl (if available, depending on compilation options, see desmume --help)
[edit] --disable-sound [gtk]

16
desmume/src/frontend/posix/codeblocks/desmume.cbp
View File

@@ -25,7 +25,6 @@
<Add option="`pkg-config --libs gtk+-2.0`" />
<Add library="/usr/lib/x86_64-linux-gnu/libGL.so" />
<Add library="/usr/lib/x86_64-linux-gnu/libGLESv2.so" />
<Add library="/usr/lib/x86_64-linux-gnu/libOSMesa.so" />
<Add library="/usr/lib/x86_64-linux-gnu/libEGL.so" />
</Linker>
</Target>
@@ -72,7 +71,6 @@
<Add option="`pkg-config --libs gtk+-3.0`" />
<Add library="/usr/lib/x86_64-linux-gnu/libGL.so" />
<Add library="/usr/lib/x86_64-linux-gnu/libGLESv2.so" />
<Add library="/usr/lib/x86_64-linux-gnu/libOSMesa.so" />
<Add library="/usr/lib/x86_64-linux-gnu/libEGL.so" />
</Linker>
<ExtraCommands>
@@ -2024,20 +2022,6 @@
<Option target="&lt;{~None~}&gt;" />
</Unit>
<Unit filename="../shared/mic_openal.cpp" />
<Unit filename="../shared/osmesa_3Demu.cpp">
<Option target="GTK2_x64_Debug" />
<Option target="GTK2_x64_Release" />
<Option target="GTK3_x64_Debug" />
<Option target="GTK3_x64_Release" />
</Unit>
<Unit filename="../shared/osmesa_3Demu.h">
<Option target="GTK2_x64_Debug" />
<Option target="GTK2_x64_Release" />
<Option target="GTK3_x64_Debug" />
<Option target="GTK3_x64_Release" />
<Option target="GTK3_AArch64_Debug" />
<Option target="GTK3_AArch64_Release" />
</Unit>
<Unit filename="../shared/sdl_3Demu.cpp">
<Option target="GTK2_x64_Debug" />
<Option target="GTK2_x64_Release" />

36
desmume/src/frontend/posix/configure.ac
View File

@@ -118,7 +118,7 @@ AM_CONDITIONAL([ENABLE_OPENGL_ES], [test "${have_opengles}" = "yes"])
dnl - if --enable-glx is used, check for it
AC_ARG_ENABLE([glx],
[AC_HELP_STRING([--enable-glx], [Use a GLX context, overrides --enable-osmesa and --enable-egl])],
[AC_HELP_STRING([--enable-glx], [Use a GLX context, overrides --enable-egl])],
[glx=$enableval],
[glx=no])
@@ -143,40 +143,6 @@ if test "$have_glx" = "yes" ; then
fi
AM_CONDITIONAL([ENABLE_GLX], [test "${have_glx}" = "yes"])
dnl - if --enable-osmesa is used, check for it
AC_ARG_ENABLE([osmesa],
[AC_HELP_STRING([--enable-osmesa], [Use an OSMesa context, overrides --enable-egl])],
[osmesa=$enableval],
[osmesa=no])
if test "x$osmesa" = "xyes" ; then
AC_CHECK_HEADERS([GL/osmesa.h], [have_osmesa=yes], [have_osmesa=no])
if test "have_osmesa" = "no" ; then
AC_MSG_WARN([Cannot use OSMesa -- headers not found.])
else
AC_MSG_WARN([OSMesa contexts are deprecated.])
AC_CHECK_LIB(dl, main)
AC_CHECK_LIB(GL, main)
AC_CHECK_LIB(OSMesa, main)
fi
fi
if test "$have_osmesa" = "yes" ; then
if test "$have_opengl" = "yes" ; then
AC_DEFINE(ENABLE_OSMESA)
OSMESA_LIBS="-lOSMesa"
AC_SUBST(OSMESA_LIBS)
else
have_osmesa=no
if test "$have_opengles" = "yes" ; then
AC_MSG_WARN([OSMesa contexts are incompatible with OpenGL ES -- cancelling the use of OSMesa.])
else
AC_MSG_WARN([OSMesa contexts are only compatible with standard OpenGL -- cancelling the use of OSMesa.])
fi
fi
fi
AM_CONDITIONAL([ENABLE_OSMESA], [test "${have_osmesa}" = "yes"])
dnl - if --enable-egl is used, check for it
AC_ARG_ENABLE([egl],
[AC_HELP_STRING([--enable-egl], [Use an EGL context])],

2
desmume/src/frontend/posix/gtk/doc/desmume.1
View File

@@ -52,7 +52,7 @@ Select available 3d emulation:
1 = internal desmume software rasterizer (default)
.RE
.RS
2 = osmesa or gtkglext opengl (if available, depending on compilation options, see desmume \-\-help)
2 = gtkglext opengl (if available, depending on compilation options, see desmume \-\-help)
.RE
.TP
.B \-\-disable-sound

26
desmume/src/frontend/posix/gtk/main.cpp
View File

@@ -81,8 +81,6 @@
#if defined(ENABLE_GLX)
#include "../shared/glx_3Demu.h"
#elif defined(ENABLE_OSMESA)
#include "../shared/osmesa_3Demu.h"
#elif defined(ENABLE_EGL)
#include "../shared/egl_3Demu.h"
#else
@@ -2325,7 +2323,7 @@ static void GraphicsSettingsDialog(GSimpleAction *action, GVariant *parameter, g
{
switch (sel3DCore)
{
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_OSMESA) && !defined(ENABLE_GLX)
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_GLX)
case 2:
#if defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_ES_3_0;
@@ -2337,8 +2335,6 @@ static void GraphicsSettingsDialog(GSimpleAction *action, GVariant *parameter, g
case 2:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_StandardAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_StandardAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_StandardAuto;
#else
@@ -2349,8 +2345,6 @@ static void GraphicsSettingsDialog(GSimpleAction *action, GVariant *parameter, g
case 3:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_LegacyAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_LegacyAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_LegacyAuto;
#else
@@ -2361,8 +2355,6 @@ static void GraphicsSettingsDialog(GSimpleAction *action, GVariant *parameter, g
case 4:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_3_2_CoreProfile;
#else
@@ -3951,12 +3943,6 @@ common_gtk_main(GApplication *app, gpointer user_data)
oglrender_beginOpenGL = &glx_beginOpenGL;
oglrender_endOpenGL = &glx_endOpenGL;
oglrender_framebufferDidResizeCallback = &glx_framebufferDidResizeCallback;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_StandardAuto;
oglrender_deinit = &osmesa_deinitOpenGL;
oglrender_beginOpenGL = &osmesa_beginOpenGL;
oglrender_endOpenGL = &osmesa_endOpenGL;
oglrender_framebufferDidResizeCallback = &osmesa_framebufferDidResizeCallback;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_StandardAuto;
oglrender_deinit = &egl_deinitOpenGL;
@@ -3998,7 +3984,7 @@ common_gtk_main(GApplication *app, gpointer user_data)
switch (core)
{
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_OSMESA) && !defined(ENABLE_GLX)
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_GLX)
case 2:
#if defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_ES_3_0;
@@ -4010,8 +3996,6 @@ common_gtk_main(GApplication *app, gpointer user_data)
case 2:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_StandardAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_StandardAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_StandardAuto;
#else
@@ -4022,8 +4006,6 @@ common_gtk_main(GApplication *app, gpointer user_data)
case 3:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_LegacyAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_LegacyAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_LegacyAuto;
#else
@@ -4034,8 +4016,6 @@ common_gtk_main(GApplication *app, gpointer user_data)
case 4:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_3_2_CoreProfile;
#else
@@ -4130,8 +4110,6 @@ static void Teardown() {
#if defined(ENABLE_OPENGL_STANDARD) || defined(ENABLE_OPENGL_ES)
#if defined(ENABLE_GLX)
glx_deinitOpenGL();
#elif defined(ENABLE_OSMESA)
osmesa_deinitOpenGL();
#elif defined(ENABLE_EGL)
egl_deinitOpenGL();
#else

4
desmume/src/frontend/posix/gtk/meson.build
View File

@@ -29,10 +29,6 @@ if get_option('glx') and dep_gl.found()
desmume_src += [
'../shared/glx_3Demu.cpp',
]
elif get_option('osmesa') and dep_osmesa.found()
desmume_src += [
'../shared/osmesa_3Demu.cpp',
]
elif get_option('egl') and dep_egl.found()
desmume_src += [
'../shared/egl_3Demu.cpp',

5
desmume/src/frontend/posix/gtk2/Makefile.am
View File

@@ -39,10 +39,6 @@ endif
if ENABLE_GLX
desmume_SOURCES += ../shared/glx_3Demu.h ../shared/glx_3Demu.cpp
else
if ENABLE_OSMESA
desmume_LDADD += $(OSMESA_LIBS)
desmume_SOURCES += ../shared/osmesa_3Demu.h ../shared/osmesa_3Demu.cpp
else
if ENABLE_EGL
desmume_LDADD += $(EGL_LIBS)
desmume_SOURCES += ../shared/egl_3Demu.h ../shared/egl_3Demu.cpp
@@ -50,7 +46,6 @@ else
desmume_SOURCES += ../shared/sdl_3Demu.h ../shared/sdl_3Demu.cpp
endif
endif
endif
UPDATE_DESKTOP = \
appsdir=$(DESTDIR)$(datadir)/applications ; \

2
desmume/src/frontend/posix/gtk2/doc/desmume.1
View File

@@ -52,7 +52,7 @@ Select available 3d emulation:
1 = internal desmume software rasterizer (default)
.RE
.RS
2 = osmesa or gtkglext opengl (if available, depending on compilation options, see desmume \-\-help)
2 = gtkglext opengl (if available, depending on compilation options, see desmume \-\-help)
.RE
.TP
.B \-\-disable-sound

26
desmume/src/frontend/posix/gtk2/main.cpp
View File

@@ -77,8 +77,6 @@
#if defined(ENABLE_GLX)
#include "../shared/glx_3Demu.h"
#elif defined(ENABLE_OSMESA)
#include "../shared/osmesa_3Demu.h"
#elif defined(ENABLE_EGL)
#include "../shared/egl_3Demu.h"
#else
@@ -2613,7 +2611,7 @@ static void GraphicsSettingsDialog() {
{
switch (sel3DCore)
{
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_OSMESA) && !defined(ENABLE_GLX)
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_GLX)
case 2:
#if defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_ES_3_0;
@@ -2625,8 +2623,6 @@ static void GraphicsSettingsDialog() {
case 2:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_StandardAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_StandardAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_StandardAuto;
#else
@@ -2637,8 +2633,6 @@ static void GraphicsSettingsDialog() {
case 3:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_LegacyAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_LegacyAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_LegacyAuto;
#else
@@ -2649,8 +2643,6 @@ static void GraphicsSettingsDialog() {
case 4:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_3_2_CoreProfile;
#else
@@ -3828,12 +3820,6 @@ common_gtk_main( class configured_features *my_config)
oglrender_beginOpenGL = &glx_beginOpenGL;
oglrender_endOpenGL = &glx_endOpenGL;
oglrender_framebufferDidResizeCallback = &glx_framebufferDidResizeCallback;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_StandardAuto;
oglrender_deinit = &osmesa_deinitOpenGL;
oglrender_beginOpenGL = &osmesa_beginOpenGL;
oglrender_endOpenGL = &osmesa_endOpenGL;
oglrender_framebufferDidResizeCallback = &osmesa_framebufferDidResizeCallback;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_StandardAuto;
oglrender_deinit = &egl_deinitOpenGL;
@@ -3875,7 +3861,7 @@ common_gtk_main( class configured_features *my_config)
switch (core)
{
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_OSMESA) && !defined(ENABLE_GLX)
#if defined(ENABLE_OPENGL_ES) && !defined(ENABLE_GLX)
case 2:
#if defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_ES_3_0;
@@ -3887,8 +3873,6 @@ common_gtk_main( class configured_features *my_config)
case 2:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_StandardAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_StandardAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_StandardAuto;
#else
@@ -3899,8 +3883,6 @@ common_gtk_main( class configured_features *my_config)
case 3:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_LegacyAuto;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_LegacyAuto;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_LegacyAuto;
#else
@@ -3911,8 +3893,6 @@ common_gtk_main( class configured_features *my_config)
case 4:
#if defined(ENABLE_GLX)
oglrender_init = &glx_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_OSMESA)
oglrender_init = &osmesa_initOpenGL_3_2_CoreProfile;
#elif defined(ENABLE_EGL)
oglrender_init = &egl_initOpenGL_3_2_CoreProfile;
#else
@@ -4005,8 +3985,6 @@ common_gtk_main( class configured_features *my_config)
#if defined(ENABLE_OPENGL_STANDARD) || defined(ENABLE_OPENGL_ES)
#if defined(ENABLE_GLX)
glx_deinitOpenGL();
#elif defined(ENABLE_OSMESA)
osmesa_deinitOpenGL();
#elif defined(ENABLE_EGL)
egl_deinitOpenGL();
#else

4
desmume/src/frontend/posix/gtk2/meson.build
View File

@@ -22,10 +22,6 @@ if get_option('glx') and dep_gl.found()
desmume_src += [
'../shared/glx_3Demu.cpp',
]
elif get_option('osmesa') and dep_osmesa.found()
desmume_src += [
'../shared/osmesa_3Demu.cpp',
]
elif get_option('egl') and dep_egl.found()
desmume_src += [
'../shared/egl_3Demu.cpp',

15
desmume/src/frontend/posix/meson.build
View File

@@ -22,7 +22,6 @@ dep_alsa = dependency('alsa', required: false)
dep_soundtouch = dependency('soundtouch', required: false)
dep_agg = dependency('libagg', required: false)
dep_fontconfig = dependency('fontconfig', required: false)
dep_osmesa = dependency('osmesa', required: false)
dep_egl = dependency('egl', required: false)
# XXX: something wrong with this one.
@@ -248,20 +247,6 @@ if get_option('glx')
else
message('Cannot use GLX -- gl library not found.')
endif
elif get_option('osmesa')
if dep_osmesa.found()
if get_option('opengl') and dep_gl.found()
message('OSMesa contexts are deprecated.')
add_global_arguments('-DENABLE_OSMESA', language: ['c', 'cpp'])
dependencies += dep_osmesa
elif get_option('opengles')
message('OSMesa contexts are incompatible with OpenGL ES -- cancelling the use of OSMesa.')
else
message('OSMesa contexts are only compatible with standard OpenGL -- cancelling the use of OSMesa.')
endif
else
message('Cannot use OSMesa -- osmesa library not found.')
endif
elif get_option('egl')
if dep_egl.found()
add_global_arguments('-DENABLE_EGL', language: ['c', 'cpp'])

5
desmume/src/frontend/posix/meson_options.txt
View File

@@ -13,11 +13,6 @@ option('glx',
value: false,
description: 'Use a GLX context',
)
option('osmesa',
type: 'boolean',
value: false,
description: 'Use a OSMesa context',
)
option('egl',
type: 'boolean',
value: false,

284
desmume/src/frontend/posix/shared/osmesa_3Demu.cpp
View File

@@ -1,284 +0,0 @@
/*
Copyright (C) 2009 Guillaume Duhamel
Copyright (C) 2009-2024 DeSmuME team
This file 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, either version 2 of the License, or
(at your option) any later version.
This file 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 the this software. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <GL/osmesa.h>
#include "osmesa_3Demu.h"
#include "OGLRender_3_2.h"
#warning OSMesa contexts are deprecated.
static OSMesaContext currContext = NULL;
static GLint currCtxFormat = GL_UNSIGNED_BYTE;
static GLint currCtxWidth = 0;
static GLint currCtxHeight = 0;
static void *currCtxBuffer = NULL;
static OSMesaContext prevContext = NULL;
static GLint prevCtxFormat = GL_UNSIGNED_BYTE;
static GLint prevCtxWidth = 0;
static GLint prevCtxHeight = 0;
static void *prevCtxBuffer = NULL;
static void *pendingCtxBuffer = NULL;
static GLint pendingCtxWidth = 0;
static GLint pendingCtxHeight = 0;
static bool __osmesa_initOpenGL(const int requestedProfile, const int requestedVersionMajor, const int requestedVersionMinor)
{
GLboolean ret = GL_FALSE;
if (currContext != NULL)
{
return true;
}
#if (((OSMESA_MAJOR_VERSION * 100) + OSMESA_MINOR_VERSION) >= 1102) && defined(OSMESA_CONTEXT_MAJOR_VERSION)
const int ctxAttributes[] = {
OSMESA_FORMAT, OSMESA_RGBA,
OSMESA_DEPTH_BITS, ( (requestedProfile == OSMESA_CORE_PROFILE) && ((requestedVersionMajor >= 4) || ((requestedVersionMajor == 3) && (requestedVersionMinor >= 2))) ) ? 0 : 24,
OSMESA_STENCIL_BITS, ( (requestedProfile == OSMESA_CORE_PROFILE) && ((requestedVersionMajor >= 4) || ((requestedVersionMajor == 3) && (requestedVersionMinor >= 2))) ) ? 0 : 8,
OSMESA_ACCUM_BITS, 0,
OSMESA_PROFILE, requestedProfile,
OSMESA_CONTEXT_MAJOR_VERSION, requestedVersionMajor,
OSMESA_CONTEXT_MINOR_VERSION, requestedVersionMinor,
0
};
currContext = OSMesaCreateContextAttribs(ctxAttributes, NULL);
if (currContext == NULL)
{
if (requestedProfile == OSMESA_CORE_PROFILE)
{
puts("OSMesa: OSMesaCreateContextAttribs() failed!");
return false;
}
else if (requestedProfile == OSMESA_COMPAT_PROFILE)
{
puts("OSMesa: Could not create a context using OSMesaCreateContextAttribs(). Will attempt to use OSMesaCreateContextExt() instead...");
}
}
if ( (currContext == NULL) && (requestedProfile == OSMESA_COMPAT_PROFILE) )
#endif
{
currContext = OSMesaCreateContextExt(OSMESA_RGBA, 24, 8, 0, NULL);
if (currContext == NULL)
{
puts("OSMesa: OSMesaCreateContextExt() failed!");
return false;
}
}
currCtxFormat = GL_UNSIGNED_BYTE;
currCtxWidth = GPU_FRAMEBUFFER_NATIVE_WIDTH;
currCtxHeight = GPU_FRAMEBUFFER_NATIVE_HEIGHT;
currCtxBuffer = malloc_alignedPage(currCtxWidth * currCtxHeight * sizeof(uint32_t));
if (currCtxBuffer == NULL)
{
OSMesaDestroyContext(currContext);
currCtxFormat = GL_UNSIGNED_BYTE;
currCtxWidth = 0;
currCtxHeight = 0;
puts("OSMesa: Could not allocate enough memory for the context!");
return false;
}
puts("OSMesa: Context creation successful.");
return true;
}
bool osmesa_initOpenGL_StandardAuto()
{
bool isContextCreated = __osmesa_initOpenGL(OSMESA_CORE_PROFILE, 4, 1);
if (!isContextCreated)
{
isContextCreated = osmesa_initOpenGL_3_2_CoreProfile();
}
if (!isContextCreated)
{
isContextCreated = osmesa_initOpenGL_LegacyAuto();
}
return isContextCreated;
}
bool osmesa_initOpenGL_LegacyAuto()
{
return __osmesa_initOpenGL(OSMESA_COMPAT_PROFILE, 1, 2);
}
bool osmesa_initOpenGL_3_2_CoreProfile()
{
return __osmesa_initOpenGL(OSMESA_CORE_PROFILE, 3, 2);
}
void osmesa_deinitOpenGL()
{
OSMesaMakeCurrent(NULL, NULL, GL_UNSIGNED_BYTE, 0, 0);
if (currContext != NULL)
{
OSMesaDestroyContext(currContext);
currContext = NULL;
currCtxFormat = GL_UNSIGNED_BYTE;
}
if (currCtxBuffer != NULL)
{
free_aligned(currCtxBuffer);
currCtxBuffer = NULL;
currCtxWidth = 0;
currCtxHeight = 0;
}
if (pendingCtxBuffer != NULL)
{
free_aligned(pendingCtxBuffer);
pendingCtxBuffer = NULL;
pendingCtxWidth = 0;
pendingCtxHeight = 0;
}
prevContext = NULL;
prevCtxFormat = GL_UNSIGNED_BYTE;
prevCtxWidth = 0;
prevCtxHeight = 0;
prevCtxBuffer = NULL;
}
bool osmesa_beginOpenGL()
{
GLboolean ret = GL_FALSE;
OSMesaContext oldContext = OSMesaGetCurrentContext();
if (oldContext != NULL)
{
prevContext = oldContext;
OSMesaGetColorBuffer(prevContext, &prevCtxWidth, &prevCtxHeight, &prevCtxFormat, &prevCtxBuffer);
}
else
{
prevContext = currContext;
prevCtxFormat = currCtxFormat;
prevCtxWidth = currCtxWidth;
prevCtxHeight = currCtxHeight;
prevCtxBuffer = currCtxBuffer;
}
if (pendingCtxBuffer != NULL)
{
bool previousIsCurrent = (prevCtxBuffer == currCtxBuffer);
ret = OSMesaMakeCurrent(currContext, pendingCtxBuffer, currCtxFormat, pendingCtxWidth, pendingCtxHeight);;
if (ret == GL_TRUE)
{
free_aligned(currCtxBuffer);
currCtxBuffer = pendingCtxBuffer;
if (previousIsCurrent)
{
prevCtxBuffer = pendingCtxBuffer;
prevCtxWidth = pendingCtxWidth;
prevCtxHeight = pendingCtxHeight;
}
pendingCtxBuffer = NULL;
pendingCtxWidth = 0;
pendingCtxHeight = 0;
}
}
else
{
ret = OSMesaMakeCurrent(currContext, currCtxBuffer, currCtxFormat, currCtxWidth, currCtxHeight);
}
return (ret == GL_TRUE);
}
void osmesa_endOpenGL()
{
if (prevContext == NULL)
{
prevContext = currContext;
}
if (prevCtxBuffer == NULL)
{
prevCtxBuffer = currCtxBuffer;
}
if (prevCtxWidth == 0)
{
prevCtxWidth = currCtxWidth;
}
if (prevCtxHeight == 0)
{
prevCtxHeight = currCtxHeight;
}
if (prevCtxFormat == GL_UNSIGNED_BYTE)
{
prevCtxFormat = currCtxFormat;
}
if ( (prevContext != currContext) ||
(prevCtxBuffer != currCtxBuffer) ||
(prevCtxFormat != currCtxFormat) ||
(prevCtxWidth != currCtxWidth) ||
(prevCtxHeight != currCtxHeight) )
{
OSMesaMakeCurrent(prevContext, prevCtxBuffer, prevCtxFormat, prevCtxWidth, prevCtxHeight);
}
}
bool osmesa_framebufferDidResizeCallback(bool isFBOSupported, size_t w, size_t h)
{
bool result = false;
if (isFBOSupported)
{
result = true;
return result;
}
if ( (w == (size_t)currCtxWidth) && (h == (size_t)currCtxHeight) )
{
result = true;
return result;
}
if (pendingCtxBuffer != NULL)
{
free_aligned(pendingCtxBuffer);
}
pendingCtxWidth = (GLint)w;
pendingCtxHeight = (GLint)h;
pendingCtxBuffer = malloc_alignedPage(w * h * sizeof(uint32_t));
result = true;
return result;
}

32
desmume/src/frontend/posix/shared/osmesa_3Demu.h
View File

@@ -1,32 +0,0 @@
/*
Copyright (C) 2009 Guillaume Duhamel
Copyright (C) 2009-2024 DeSmuME team
This file 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, either version 2 of the License, or
(at your option) any later version.
This file 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 the this software. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OSMESA_3DEMU_H
#define OSMESA_3DEMU_H
bool osmesa_initOpenGL_StandardAuto();
bool osmesa_initOpenGL_LegacyAuto();
bool osmesa_initOpenGL_3_2_CoreProfile();
void osmesa_deinitOpenGL();
bool osmesa_beginOpenGL();
void osmesa_endOpenGL();
bool osmesa_framebufferDidResizeCallback(bool isFBOSupported, size_t w, size_t h);
#endif // OSMESA_3DEMU_H