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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the names of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Based on glx code by David Reveman
*
* Contributors:
* Tor Lillqvist <tml@iki.fi>
* Vladimir Vukicevic <vladimir@pobox.com>
*
*/
#ifndef GLITZ_WGLINT_H_INCLUDED
#define GLITZ_WGLINT_H_INCLUDED
#include <windows.h> /* To let it define MAX/MINSHORT first */
#undef MAXSHORT
#undef MINSHORT
#include "glitzint.h"
#include "glitz-wgl.h"
#include <GL/gl.h>
#ifdef USE_MESA
#define ChoosePixelFormat wglChoosePixelFormat
#define DescribePixelFormat wglDescribePixelFormat
#define GetPixelFormat wglGetPixelFormat
#define SetPixelFormat wglSetPixelFormat
#define SwapBuffers wglSwapBuffers
#endif
#include "glitz_wglext.h"
#define GLITZ_WGL_FEATURE_PIXEL_FORMAT_MASK (1L << 0)
#define GLITZ_WGL_FEATURE_PBUFFER_MASK (1L << 1)
#define GLITZ_WGL_FEATURE_MAKE_CURRENT_READ_MASK (1L << 2)
/* wglGetProcAddress is always present */
#define GLITZ_WGL_FEATURE_MULTISAMPLE_MASK (1L << 4)
#define GLITZ_WGL_FEATURE_PBUFFER_MULTISAMPLE_MASK (1L << 5)
typedef struct _glitz_wgl_drawable glitz_wgl_drawable_t;
typedef struct _glitz_wgl_screen_info_t glitz_wgl_screen_info_t;
typedef struct _glitz_wgl_static_proc_address_list_t {
glitz_wgl_get_pixel_format_attrib_iv_t get_pixel_format_attrib_iv;
glitz_wgl_choose_pixel_format_t choose_pixel_format;
glitz_wgl_create_pbuffer_t create_pbuffer;
glitz_wgl_get_pbuffer_dc_t get_pbuffer_dc;
glitz_wgl_release_pbuffer_dc_t release_pbuffer_dc;
glitz_wgl_destroy_pbuffer_t destroy_pbuffer;
glitz_wgl_query_pbuffer_t query_pbuffer;
glitz_wgl_make_context_current_t make_context_current;
} glitz_wgl_static_proc_address_list_t;
typedef struct _glitz_wgl_thread_info_t {
glitz_wgl_screen_info_t *screen;
char *gl_library;
HMODULE dlhand;
} glitz_wgl_thread_info_t;
typedef struct _glitz_wgl_context_info_t {
glitz_wgl_drawable_t *drawable;
glitz_surface_t *surface;
glitz_constraint_t constraint;
} glitz_wgl_context_info_t;
typedef struct _glitz_wgl_context_t {
glitz_context_t base;
HGLRC context;
glitz_format_id_t id;
int pixel_format;
glitz_backend_t backend;
glitz_gl_int_t max_viewport_dims[2];
glitz_bool_t initialized;
} glitz_wgl_context_t;
struct _glitz_wgl_screen_info_t {
glitz_wgl_thread_info_t *thread_info;
int drawables;
glitz_int_drawable_format_t *formats;
int *format_ids;
int n_formats;
glitz_wgl_context_t **contexts;
int n_contexts;
glitz_wgl_context_info_t context_stack[GLITZ_CONTEXT_STACK_SIZE];
int context_stack_size;
/* root_context is used only for sharing a single display-list space
* amont the Glitz rendering contexts. Nothing is ever actually
* rendered into it. The related root_dc and root_window are kept
* around only for proper destruction.
*/
HGLRC root_context;
HDC root_dc;
HWND root_window;
unsigned long wgl_feature_mask;
glitz_gl_float_t wgl_version;
glitz_wgl_static_proc_address_list_t wgl;
glitz_program_map_t program_map;
};
struct _glitz_wgl_drawable {
glitz_drawable_t base;
glitz_wgl_screen_info_t *screen_info;
glitz_wgl_context_t *context;
HWND window;
HDC dc;
HPBUFFERARB pbuffer;
};
extern void __internal_linkage
glitz_wgl_query_extensions (glitz_wgl_screen_info_t *screen_info,
glitz_gl_float_t wgl_version);
extern glitz_wgl_screen_info_t *__internal_linkage
glitz_wgl_screen_info_get (void);
extern glitz_function_pointer_t __internal_linkage
glitz_wgl_get_proc_address (const char *name,
void *closure);
extern glitz_wgl_context_t *__internal_linkage
glitz_wgl_context_get (glitz_wgl_screen_info_t *screen_info,
HDC dc,
glitz_drawable_format_t *format);
extern void __internal_linkage
glitz_wgl_context_destroy (glitz_wgl_screen_info_t *screen_info,
glitz_wgl_context_t *context);
extern void __internal_linkage
glitz_wgl_query_formats (glitz_wgl_screen_info_t *screen_info);
extern HPBUFFERARB __internal_linkage
glitz_wgl_pbuffer_create (glitz_wgl_screen_info_t *screen_info,
int pixel_format,
unsigned int width,
unsigned int height,
HDC *dcp);
extern void __internal_linkage
glitz_wgl_pbuffer_destroy (glitz_wgl_screen_info_t *screen_info,
HPBUFFERARB pbuffer,
HDC dc);
extern glitz_drawable_t *__internal_linkage
glitz_wgl_create_pbuffer (void *abstract_templ,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height);
extern glitz_bool_t __internal_linkage
glitz_wgl_push_current (void *abstract_drawable,
glitz_surface_t *surface,
glitz_constraint_t constraint);
extern glitz_surface_t *__internal_linkage
glitz_wgl_pop_current (void *abstract_drawable);
extern glitz_status_t __internal_linkage
glitz_wgl_make_current_read (void *abstract_surface);
extern void __internal_linkage
glitz_wgl_destroy (void *abstract_drawable);
extern glitz_bool_t __internal_linkage
glitz_wgl_swap_buffers (void *abstract_drawable);
extern glitz_bool_t __internal_linkage
glitz_wgl_copy_sub_buffer (void *abstract_drawable,
int x,
int y,
int width,
int height);
extern void __internal_linkage
glitz_wgl_print_win32_error_string (int error_code);
extern void __internal_linkage
glitz_wgl_win32_api_failed (const char *api);
#endif /* GLITZ_WGLINT_H_INCLUDED */
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