! Copyright (C) 2005, 2006 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.c-types alien.syntax parser namespaces kernel
-math math.bitwise windows.types windows.types init assocs
-sequences libc ;
+math math.bitwise windows.types init assocs splitting
+sequences libc opengl.gl opengl.gl.extensions opengl.gl.windows ;
IN: windows.opengl32
-! PIXELFORMATDESCRIPTOR flags
-CONSTANT: PFD_DOUBLEBUFFER HEX: 00000001
-CONSTANT: PFD_STEREO HEX: 00000002
-CONSTANT: PFD_DRAW_TO_WINDOW HEX: 00000004
-CONSTANT: PFD_DRAW_TO_BITMAP HEX: 00000008
-CONSTANT: PFD_SUPPORT_GDI HEX: 00000010
-CONSTANT: PFD_SUPPORT_OPENGL HEX: 00000020
-CONSTANT: PFD_GENERIC_FORMAT HEX: 00000040
-CONSTANT: PFD_NEED_PALETTE HEX: 00000080
-CONSTANT: PFD_NEED_SYSTEM_PALETTE HEX: 00000100
-CONSTANT: PFD_SWAP_EXCHANGE HEX: 00000200
-CONSTANT: PFD_SWAP_COPY HEX: 00000400
-CONSTANT: PFD_SWAP_LAYER_BUFFERS HEX: 00000800
-CONSTANT: PFD_GENERIC_ACCELERATED HEX: 00001000
-CONSTANT: PFD_SUPPORT_DIRECTDRAW HEX: 00002000
-
-! PIXELFORMATDESCRIPTOR flags for use in ChoosePixelFormat only
-CONSTANT: PFD_DEPTH_DONTCARE HEX: 20000000
-CONSTANT: PFD_DOUBLEBUFFER_DONTCARE HEX: 40000000
-CONSTANT: PFD_STEREO_DONTCARE HEX: 80000000
-
-! pixel types
-CONSTANT: PFD_TYPE_RGBA 0
-CONSTANT: PFD_TYPE_COLORINDEX 1
-
-! layer types
-CONSTANT: PFD_MAIN_PLANE 0
-CONSTANT: PFD_OVERLAY_PLANE 1
-CONSTANT: PFD_UNDERLAY_PLANE -1
-
CONSTANT: LPD_TYPE_RGBA 0
CONSTANT: LPD_TYPE_COLORINDEX 1
CONSTANT: WGL_SWAP_UNDERLAY14 HEX: 20000000
CONSTANT: WGL_SWAP_UNDERLAY15 HEX: 40000000
-: windowed-pfd-dwFlags ( -- n )
- { PFD_DRAW_TO_WINDOW PFD_SUPPORT_OPENGL PFD_DOUBLEBUFFER } flags ;
-: offscreen-pfd-dwFlags ( -- n )
- { PFD_DRAW_TO_BITMAP PFD_SUPPORT_OPENGL } flags ;
-
-! TODO: compare to http://www.nullterminator.net/opengl32.html
-: make-pfd ( flags bits -- pfd )
- "PIXELFORMATDESCRIPTOR" <c-object>
- "PIXELFORMATDESCRIPTOR" heap-size over set-PIXELFORMATDESCRIPTOR-nSize
- 1 over set-PIXELFORMATDESCRIPTOR-nVersion
- rot over set-PIXELFORMATDESCRIPTOR-dwFlags
- PFD_TYPE_RGBA over set-PIXELFORMATDESCRIPTOR-iPixelType
- [ set-PIXELFORMATDESCRIPTOR-cColorBits ] keep
- 16 over set-PIXELFORMATDESCRIPTOR-cDepthBits
- PFD_MAIN_PLANE over set-PIXELFORMATDESCRIPTOR-dwLayerMask ;
-
LIBRARY: gl
FUNCTION: HGLRC wglCreateContext ( HDC hDC ) ;
FUNCTION: BOOL wglDeleteContext ( HGLRC hRC ) ;
FUNCTION: BOOL wglMakeCurrent ( HDC hDC, HGLRC hglrc ) ;
-FUNCTION: HGLRC wglGetCurrentContext ( ) ;
-FUNCTION: void* wglGetProcAddress ( char* name ) ;
+
+! WGL_ARB_extensions_string extension
+
+GL-FUNCTION: char* wglGetExtensionsStringARB { } ( HDC hDC ) ;
+
+! WGL_ARB_pixel_format extension
+
+CONSTANT: WGL_NUMBER_PIXEL_FORMATS_ARB HEX: 2000
+CONSTANT: WGL_DRAW_TO_WINDOW_ARB HEX: 2001
+CONSTANT: WGL_DRAW_TO_BITMAP_ARB HEX: 2002
+CONSTANT: WGL_ACCELERATION_ARB HEX: 2003
+CONSTANT: WGL_NEED_PALETTE_ARB HEX: 2004
+CONSTANT: WGL_NEED_SYSTEM_PALETTE_ARB HEX: 2005
+CONSTANT: WGL_SWAP_LAYER_BUFFERS_ARB HEX: 2006
+CONSTANT: WGL_SWAP_METHOD_ARB HEX: 2007
+CONSTANT: WGL_NUMBER_OVERLAYS_ARB HEX: 2008
+CONSTANT: WGL_NUMBER_UNDERLAYS_ARB HEX: 2009
+CONSTANT: WGL_TRANSPARENT_ARB HEX: 200A
+CONSTANT: WGL_TRANSPARENT_RED_VALUE_ARB HEX: 2037
+CONSTANT: WGL_TRANSPARENT_GREEN_VALUE_ARB HEX: 2038
+CONSTANT: WGL_TRANSPARENT_BLUE_VALUE_ARB HEX: 2039
+CONSTANT: WGL_TRANSPARENT_ALPHA_VALUE_ARB HEX: 203A
+CONSTANT: WGL_TRANSPARENT_INDEX_VALUE_ARB HEX: 203B
+CONSTANT: WGL_SHARE_DEPTH_ARB HEX: 200C
+CONSTANT: WGL_SHARE_STENCIL_ARB HEX: 200D
+CONSTANT: WGL_SHARE_ACCUM_ARB HEX: 200E
+CONSTANT: WGL_SUPPORT_GDI_ARB HEX: 200F
+CONSTANT: WGL_SUPPORT_OPENGL_ARB HEX: 2010
+CONSTANT: WGL_DOUBLE_BUFFER_ARB HEX: 2011
+CONSTANT: WGL_STEREO_ARB HEX: 2012
+CONSTANT: WGL_PIXEL_TYPE_ARB HEX: 2013
+CONSTANT: WGL_COLOR_BITS_ARB HEX: 2014
+CONSTANT: WGL_RED_BITS_ARB HEX: 2015
+CONSTANT: WGL_RED_SHIFT_ARB HEX: 2016
+CONSTANT: WGL_GREEN_BITS_ARB HEX: 2017
+CONSTANT: WGL_GREEN_SHIFT_ARB HEX: 2018
+CONSTANT: WGL_BLUE_BITS_ARB HEX: 2019
+CONSTANT: WGL_BLUE_SHIFT_ARB HEX: 201A
+CONSTANT: WGL_ALPHA_BITS_ARB HEX: 201B
+CONSTANT: WGL_ALPHA_SHIFT_ARB HEX: 201C
+CONSTANT: WGL_ACCUM_BITS_ARB HEX: 201D
+CONSTANT: WGL_ACCUM_RED_BITS_ARB HEX: 201E
+CONSTANT: WGL_ACCUM_GREEN_BITS_ARB HEX: 201F
+CONSTANT: WGL_ACCUM_BLUE_BITS_ARB HEX: 2020
+CONSTANT: WGL_ACCUM_ALPHA_BITS_ARB HEX: 2021
+CONSTANT: WGL_DEPTH_BITS_ARB HEX: 2022
+CONSTANT: WGL_STENCIL_BITS_ARB HEX: 2023
+CONSTANT: WGL_AUX_BUFFERS_ARB HEX: 2024
+
+CONSTANT: WGL_NO_ACCELERATION_ARB HEX: 2025
+CONSTANT: WGL_GENERIC_ACCELERATION_ARB HEX: 2026
+CONSTANT: WGL_FULL_ACCELERATION_ARB HEX: 2027
+
+CONSTANT: WGL_SWAP_EXCHANGE_ARB HEX: 2028
+CONSTANT: WGL_SWAP_COPY_ARB HEX: 2029
+CONSTANT: WGL_SWAP_UNDEFINED_ARB HEX: 202A
+
+CONSTANT: WGL_TYPE_RGBA_ARB HEX: 202B
+CONSTANT: WGL_TYPE_COLORINDEX_ARB HEX: 202C
+
+GL-FUNCTION: BOOL wglGetPixelFormatAttribivARB { } (
+ HDC hdc,
+ int iPixelFormat,
+ int iLayerPlane,
+ UINT nAttributes,
+ int* piAttributes,
+ int* piValues
+ ) ;
+
+GL-FUNCTION: BOOL wglGetPixelFormatAttribfvARB { } (
+ HDC hdc,
+ int iPixelFormat,
+ int iLayerPlane,
+ UINT nAttributes,
+ int* piAttributes,
+ FLOAT* pfValues
+ ) ;
+
+GL-FUNCTION: BOOL wglChoosePixelFormatARB { } (
+ HDC hdc,
+ int* piAttribIList,
+ FLOAT* pfAttribFList,
+ UINT nMaxFormats,
+ int* piFormats,
+ UINT* nNumFormats
+ ) ;
+
+! WGL_ARB_multisample extension
+
+CONSTANT: WGL_SAMPLE_BUFFERS_ARB HEX: 2041
+CONSTANT: WGL_SAMPLES_ARB HEX: 2042
+
+! WGL_ARB_pixel_format_float extension
+
+CONSTANT: WGL_TYPE_RGBA_FLOAT_ARB HEX: 21A0
+
+! wgl extensions querying
+
+: has-wglGetExtensionsStringARB? ( -- ? )
+ "wglGetExtensionsStringARB" wglGetProcAddress >boolean ;
+
+: wgl-extensions ( hdc -- extensions )
+ has-wglGetExtensionsStringARB? [ wglGetExtensionsStringARB " " split ] [ drop { } ] if ;
+
+: has-wgl-extensions? ( hdc extensions -- ? )
+ swap wgl-extensions [ member? ] curry all? ;
+
+: has-wgl-pixel-format-extension? ( hdc -- ? )
+ { "WGL_ARB_pixel_format" } has-wgl-extensions? ;