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ref_gl: add gl4es support

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This commit is contained in:
mittorn 2020-02-25 12:58:36 +07:00
parent 84a3f6883d
commit 0c69f7649c
2 changed files with 94 additions and 3 deletions
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70
ref_gl/gl_opengl.c
View File

@ -496,6 +496,25 @@ void R_RenderInfo_f( void )
// don't spam about extensions
gEngfuncs.Con_Reportf( "GL_EXTENSIONS: %s\n", glConfig.extensions_string );
if( glConfig.wrapper == GLES_WRAPPER_GL4ES )
{
const char *vendor = pglGetString( GL_VENDOR | 0x10000 );
const char *renderer = pglGetString( GL_RENDERER | 0x10000 );
const char *version = pglGetString( GL_VERSION | 0x10000 );
const char *extensions = pglGetString( GL_EXTENSIONS | 0x10000 );
if( vendor )
gEngfuncs.Con_Printf( "GL4ES_VENDOR: %s\n", vendor );
if( renderer )
gEngfuncs.Con_Printf( "GL4ES_RENDERER: %s\n", renderer );
if( version )
gEngfuncs.Con_Printf( "GL4ES_VERSION: %s\n", version );
if( extensions )
gEngfuncs.Con_Reportf( "GL4ES_EXTENSIONS: %s\n", extensions );
}
gEngfuncs.Con_Printf( "GL_MAX_TEXTURE_SIZE: %i\n", glConfig.max_2d_texture_size );
if( GL_Support( GL_ARB_MULTITEXTURE ))
@ -622,6 +641,17 @@ void GL_InitExtensionsBigGL( void )
glConfig.hardware_type = GLHW_INTEL;
else glConfig.hardware_type = GLHW_GENERIC;
// gl4es may be used system-wide
if( Q_stristr( glConfig.renderer_string, "gl4es" ))
{
const char *vendor = pglGetString( GL_VENDOR | 0x10000 );
const char *renderer = pglGetString( GL_RENDERER | 0x10000 );
const char *version = pglGetString( GL_VERSION | 0x10000 );
const char *extensions = pglGetString( GL_EXTENSIONS | 0x10000 );
glConfig.wrapper = GLES_WRAPPER_GL4ES;
}
// multitexture
glConfig.max_texture_units = glConfig.max_texture_coords = glConfig.max_teximage_units = 1;
if( GL_CheckExtension( "GL_ARB_multitexture", multitexturefuncs, "gl_arb_multitexture", GL_ARB_MULTITEXTURE ))
@ -710,7 +740,9 @@ void GL_InitExtensionsBigGL( void )
if( GL_CheckExtension( "glDrawRangeElementsEXT", drawrangeelementsextfuncs,
"gl_drawrangelements", GL_DRAW_RANGEELEMENTS_EXT ) )
{
#ifndef XASH_GL_STATIC
pglDrawRangeElements = pglDrawRangeElementsEXT;
#endif
}
}
@ -742,7 +774,7 @@ void GL_InitExtensions( void )
pglGetIntegerv( GL_MAX_TEXTURE_SIZE, &glConfig.max_2d_texture_size );
if( glConfig.max_2d_texture_size <= 0 ) glConfig.max_2d_texture_size = 256;
#ifndef XASH_GL4ES
// enable gldebug if allowed
if( GL_Support( GL_DEBUG_OUTPUT ))
{
@ -758,7 +790,7 @@ void GL_InitExtensions( void )
// enable all the low priority messages
pglDebugMessageControlARB( GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW_ARB, 0, NULL, true );
}
#endif
if( GL_Support( GL_TEXTURE_2D_RECT_EXT ))
pglGetIntegerv( GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT, &glConfig.max_2d_rectangle_size );
@ -1026,6 +1058,11 @@ void GL_SetupAttributes( int safegl )
gEngfuncs.GL_SetAttribute( REF_GL_CONTEXT_MAJOR_VERSION, 2 );
gEngfuncs.GL_SetAttribute( REF_GL_CONTEXT_MINOR_VERSION, 0 );
#endif
#elif defined XASH_GL4ES
gEngfuncs.GL_SetAttribute( REF_GL_CONTEXT_PROFILE_MASK, REF_GL_CONTEXT_PROFILE_ES );
gEngfuncs.GL_SetAttribute( REF_GL_CONTEXT_EGL, 1 );
gEngfuncs.GL_SetAttribute( REF_GL_CONTEXT_MAJOR_VERSION, 2 );
gEngfuncs.GL_SetAttribute( REF_GL_CONTEXT_MINOR_VERSION, 0 );
#else // GL1.x
if( gEngfuncs.Sys_CheckParm( "-glcore" ))
{
@ -1135,6 +1172,23 @@ void GL_SetupAttributes( int safegl )
void wes_init( const char *gles2 );
int nanoGL_Init( void );
#ifdef XASH_GL4ES
#include "gl4es/include/gl4esinit.h"
#include "gl4es/include/gl4eshint.h"
void GL4ES_GetMainFBSize( int *width, int *height )
{
*width = gpGlobals->width;
*height = gpGlobals->height;
}
void *GL4ES_GetProcAddress( const char *name )
{
if( !Q_strcmp(name, "glShadeModel") )
// combined gles/gles2/gl implementation exports this, but it is invalid
return NULL;
return gEngfuncs.GL_GetProcAddress( name );
}
#endif
void GL_OnContextCreated( void )
{
@ -1158,5 +1212,15 @@ void GL_OnContextCreated( void )
#ifdef XASH_WES
wes_init( "" );
#endif
}
#ifdef XASH_GL4ES
set_getprocaddress( GL4ES_GetProcAddress );
set_getmainfbsize( GL4ES_GetMainFBSize );
initialize_gl4es();
// merge glBegin/glEnd in beams and console
pglHint( GL_BEGINEND_HINT_GL4ES, 1 );
// dxt unpacked to 16-bit looks ugly
pglHint( GL_AVOID16BITS_HINT_GL4ES, 1 );
#endif
}

27
ref_gl/wscript
View File

@ -19,6 +19,9 @@ def options(opt):
grp.add_option('--enable-gles2', action='store_true', dest='GLWES', default=False,
help = 'enable gles2 renderer [default: %default]')
grp.add_option('--enable-gl4es', action='store_true', dest='GL4ES', default=False,
help = 'enable gles2 renderer [default: %default]')
grp.add_option('--disable-gl', action='store_false', dest='GL', default=True,
help = 'disable opengl [default: %default]')
@ -34,6 +37,7 @@ def configure(conf):
conf.env.NANOGL = conf.options.NANOGL
conf.env.GLWES = conf.options.GLWES
conf.env.GL4ES = conf.options.GL4ES
conf.env.GL = conf.options.GL
if conf.env.NANOGL:
@ -98,3 +102,26 @@ def build(bld):
defines = ['XASH_WES'],
install_path = bld.env.LIBDIR,
subsystem = bld.env.MSVC_SUBSYSTEM)
if bld.env.GL4ES:
gl4es_srcdir = bld.path.find_node('gl4es/src')
bld.stlib(
source = gl4es_srcdir.ant_glob(['gl/*.c', 'gl/*/*.c', 'glx/hardext.c']),
target = 'gl4es',
features = 'c',
includes = ['gl4es/src', 'gl4es/src/gl', 'gl4es/src/glx', 'gl4es/include'],
defines = ['NOX11', 'NO_GBM', 'NO_INIT_CONSTRUCTOR', 'DEFAULT_ES=2', 'NOEGL', 'EXTERNAL_GETPROCADDRESS=GL4ES_GetProcAddress', 'NO_LOADER', 'STATICLIB'],
cflags = ['-w', '-fvisibility=hidden', '-std=c99'],
use = libs,
subsystem = bld.env.MSVC_SUBSYSTEM)
bld.shlib(
source = source,
target = 'ref_gles2_gl4es',
features = 'c',
includes = includes,
use = libs + ['DL', 'gl4es'],
defines = ['XASH_GL4ES', 'XASH_GL_STATIC'],
install_path = bld.env.LIBDIR,
subsystem = bld.env.MSVC_SUBSYSTEM)