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wine/dlls/opengl32/wgl_ext.c
Raphael Junqueira 1291a1a250 - better robustness of pbuffer code (checks, SetLastError as specs, etc...). 
- better heuristic for WGL_render_texture and first try of
  WGL_render_texture "emulation" using Pbuffers (deactivated by
  default)
- more traces
2005-05-12 09:55:44 +00:00

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/* Support for window-specific OpenGL extensions.
*
* Copyright (c) 2004 Lionel Ulmer
* Copyright (c) 2005 Alex Woods
* Copyright (c) 2005 Raphael Junqueira
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "gdi.h"
#include "wgl.h"
#include "wgl_ext.h"
#include "opengl_ext.h"
#include "wine/library.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(opengl);
/* x11drv GDI escapes */
#define X11DRV_ESCAPE 6789
enum x11drv_escape_codes
{
X11DRV_GET_DISPLAY, /* get X11 display for a DC */
X11DRV_GET_DRAWABLE, /* get current drawable for a DC */
X11DRV_GET_FONT, /* get current X font for a DC */
X11DRV_SET_DRAWABLE, /* set current drawable for a DC */
};
struct x11drv_escape_set_drawable
{
enum x11drv_escape_codes code; /* escape code (X11DRV_SET_DRAWABLE) */
Drawable drawable; /* X drawable */
int mode; /* ClipByChildren or IncludeInferiors */
POINT org; /* origin of DC relative to drawable */
POINT drawable_org; /* origin of drawable relative to screen */
};
/* retrieve the X display to use on a given DC */
inline static Display *get_display( HDC hdc )
{
Display *display;
enum x11drv_escape_codes escape = X11DRV_GET_DISPLAY;
if (!ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape,
sizeof(display), (LPSTR)&display )) display = NULL;
return display;
}
inline static void set_drawable( HDC hdc, Drawable drawable )
{
struct x11drv_escape_set_drawable escape;
escape.code = X11DRV_SET_DRAWABLE;
escape.drawable = drawable;
escape.mode = IncludeInferiors;
escape.org.x = escape.org.y = 0;
escape.drawable_org.x = escape.drawable_org.y = 0;
ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPCSTR)&escape, 0, NULL );
}
/* Some WGL extensions... */
static const char *WGL_extensions_base = "WGL_ARB_extensions_string WGL_EXT_extensions_string";
static char *WGL_extensions = NULL;
/**
* Extensions-query functions
*
* @TODO: use a struct to handle parameters
*/
BOOL query_function_make_current_read(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char* glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions)
{
return 0 <= strcmp("1.3", glx_version);
}
BOOL query_function_multisample(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char* glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions)
{
return NULL != strstr(glx_extensions, "GLX_ARB_multisample");
}
BOOL query_function_pbuffer(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char* glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions)
{
FIXME("gl_version is: \"%s\"\n", gl_version);
FIXME("glx_exts is: \"%s\"\n", glx_extensions);
return 0 <= strcmp("1.3", glx_version) || NULL != strstr(glx_extensions, "GLX_SGIX_pbuffer");
}
BOOL query_function_pixel_format(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char* glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions)
{
return TRUE;
}
/** GLX_ARB_render_texture */
/**
* http://oss.sgi.com/projects/ogl-sample/registry/ARB/wgl_render_texture.txt
* ~/tmp/ogl/ogl_offscreen_rendering_3
*/
Bool (*p_glXBindTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
Bool (*p_glXReleaseTexImageARB)(Display *dpy, GLXPbuffer pbuffer, int buffer);
Bool (*p_glXDrawableAttribARB)(Display *dpy, GLXDrawable draw, const int *attribList);
int use_render_texture_emulation = 0;
BOOL query_function_render_texture(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char* glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions)
{
BOOL bTest = (0 <= strcmp("1.3", glx_version) || NULL != strstr(glx_extensions, "GLX_SGIX_pbuffer"));
if (bTest) {
if (NULL != strstr(glx_extensions, "GLX_ARB_render_texture")) {
p_glXBindTexImageARB = proc("glXBindTexImageARB");
p_glXReleaseTexImageARB = proc("glXReleaseTexImageARB");
p_glXDrawableAttribARB = proc("glXDrawableAttribARB");
bTest = (NULL != p_glXBindTexImageARB && NULL != p_glXReleaseTexImageARB && NULL != p_glXDrawableAttribARB);
} else {
use_render_texture_emulation = 0;
}
}
return bTest;
}
int (*p_glXSwapIntervalSGI)(int);
BOOL query_function_swap_control(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char* glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions)
{
BOOL bTest = (0 <= strcmp("1.3", glx_version) || NULL != strstr(glx_extensions, "GLX_SGI_swap_control"));
if (bTest) {
p_glXSwapIntervalSGI = proc("glXSwapIntervalSGI");
bTest = (NULL != p_glXSwapIntervalSGI);
}
return bTest;
}
/***********************************************************************
* wglGetExtensionsStringEXT(OPENGL32.@)
*/
const char * WINAPI wglGetExtensionsStringEXT(void) {
TRACE("() returning \"%s\"\n", WGL_extensions);
return WGL_extensions;
}
/***********************************************************************
* wglGetExtensionsStringARB(OPENGL32.@)
*/
const char * WINAPI wglGetExtensionsStringARB(HDC hdc) {
TRACE("() returning \"%s\"\n", WGL_extensions);
return WGL_extensions;
}
static int swap_interval = 1;
/***********************************************************************
* wglSwapIntervalEXT(OPENGL32.@)
*/
BOOL WINAPI wglSwapIntervalEXT(int interval) {
TRACE("(%d)\n", interval);
swap_interval = interval;
if (NULL != p_glXSwapIntervalSGI) {
return 0 == p_glXSwapIntervalSGI(interval);
}
WARN("(): GLX_SGI_swap_control extension seems not supported \n");
return TRUE;
}
/***********************************************************************
* wglGetSwapIntervalEXT(OPENGL32.@)
*/
int WINAPI wglGetSwapIntervalEXT(VOID) {
FIXME("(),stub!\n");
return swap_interval;
}
typedef struct wine_glpbuffer {
Drawable drawable;
Display* display;
int pixelFormat;
int width;
int height;
int* attribList;
HDC hdc;
int use_render_texture;
GLuint texture_target;
GLuint texture_bind_target;
GLuint texture;
int texture_level;
} Wine_GLPBuffer;
#define PUSH1(attribs,att) attribs[nAttribs++] = (att);
#define PUSH2(attribs,att,value) attribs[nAttribs++] = (att); attribs[nAttribs++] = (value);
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_PBUFFER_WIDTH_ARB 0x2034
#define WGL_PBUFFER_HEIGHT_ARB 0x2035
#define WGL_PBUFFER_LOST_ARB 0x2036
#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
#define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
#define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
#define WGL_PBUFFER_LARGEST_ARB 0x2033
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
/**
* WGL_render_texture
*/
/** GetPixelFormat/ChoosePixelFormat */
#define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
#define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
/** CreatePbuffer / QueryPbuffer */
#define WGL_TEXTURE_FORMAT_ARB 0x2072
#define WGL_TEXTURE_TARGET_ARB 0x2073
#define WGL_MIPMAP_TEXTURE_ARB 0x2074
/** CreatePbuffer / QueryPbuffer */
#define WGL_TEXTURE_RGB_ARB 0x2075
#define WGL_TEXTURE_RGBA_ARB 0x2076
#define WGL_NO_TEXTURE_ARB 0x2077
/** CreatePbuffer / QueryPbuffer */
#define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
#define WGL_TEXTURE_1D_ARB 0x2079
#define WGL_TEXTURE_2D_ARB 0x207A
#define WGL_NO_TEXTURE_ARB 0x2077
/** SetPbufferAttribARB/QueryPbufferARB parameters */
#define WGL_MIPMAP_LEVEL_ARB 0x207B
#define WGL_CUBE_MAP_FACE_ARB 0x207C
/** SetPbufferAttribARB/QueryPbufferARB attribs */
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
/** BindTexImageARB/ReleaseTexImageARB */
#define WGL_FRONT_LEFT_ARB 0x2083
#define WGL_FRONT_RIGHT_ARB 0x2084
#define WGL_BACK_LEFT_ARB 0x2085
#define WGL_BACK_RIGHT_ARB 0x2086
#define WGL_AUX0_ARB 0x2087
#define WGL_AUX1_ARB 0x2088
#define WGL_AUX2_ARB 0x2089
#define WGL_AUX3_ARB 0x208A
#define WGL_AUX4_ARB 0x208B
#define WGL_AUX5_ARB 0x208C
#define WGL_AUX6_ARB 0x208D
#define WGL_AUX7_ARB 0x208E
#define WGL_AUX8_ARB 0x208F
#define WGL_AUX9_ARB 0x2090
#if 0 /* not used yet */
static unsigned ConvertAttribGLXtoWGL(const int* iWGLAttr, int* oGLXAttr) {
unsigned nAttribs = 0;
FIXME("not yet implemented!\n");
return nAttribs;
}
#endif
static unsigned ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuffer* pbuf) {
unsigned nAttribs = 0;
unsigned cur = 0;
int pop;
while (0 != iWGLAttr[cur]) {
TRACE("pAttr[%d] = %x\n", cur, iWGLAttr[cur]);
switch (iWGLAttr[cur]) {
case WGL_COLOR_BITS_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_BUFFER_SIZE, pop);
TRACE("pAttr[%d] = WGL_COLOR_BITS_ARB: %d\n", cur, pop);
break;
case WGL_BLUE_BITS_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_BLUE_SIZE, pop);
TRACE("pAttr[%d] = GLX_BLUE_SIZE: %d\n", cur, pop);
break;
case WGL_RED_BITS_ARB:
pop = iWGLAttr[++cur];
TRACE("pAttr[%d] = GLX_RED_SIZE: %d\n", cur, pop);
PUSH2(oGLXAttr, GLX_RED_SIZE, pop);
break;
case WGL_GREEN_BITS_ARB:
pop = iWGLAttr[++cur];
TRACE("pAttr[%d] = GLX_GREEN_SIZE: %d\n", cur, pop);
PUSH2(oGLXAttr, GLX_GREEN_SIZE, pop);
break;
case WGL_ALPHA_BITS_ARB:
pop = iWGLAttr[++cur];
TRACE("pAttr[%d] = GLX_ALPHA_SIZE: %d\n", cur, pop);
PUSH2(oGLXAttr, GLX_ALPHA_SIZE, pop);
break;
case WGL_DEPTH_BITS_ARB:
pop = iWGLAttr[++cur];
TRACE("pAttr[%d] = GLX_DEPTH_SIZE: %d\n", cur, pop);
PUSH2(oGLXAttr, GLX_DEPTH_SIZE, pop);
break;
case WGL_STENCIL_BITS_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_STENCIL_SIZE, pop);
TRACE("pAttr[%d] = GLX_STENCIL_SIZE: %d\n", cur, pop);
break;
case WGL_DOUBLE_BUFFER_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_DOUBLEBUFFER, pop);
TRACE("pAttr[%d] = GLX_DOUBLEBUFFER: %d\n", cur, pop);
break;
case WGL_PIXEL_TYPE_ARB:
pop = iWGLAttr[++cur];
switch (pop) {
case WGL_TYPE_RGBA_ARB: pop = GLX_RGBA_BIT; break ;
case WGL_TYPE_COLORINDEX_ARB: pop = GLX_COLOR_INDEX_BIT; break ;
default:
ERR("unexpected PixelType(%x)\n", pop);
pop = 0;
}
PUSH2(oGLXAttr, GLX_RENDER_TYPE, pop);
TRACE("pAttr[%d] = GLX_RENDER_TYPE: %d\n", cur, pop);
break;
case WGL_SUPPORT_GDI_ARB:
case WGL_DRAW_TO_WINDOW_ARB:
case WGL_DRAW_TO_BITMAP_ARB:
case WGL_DRAW_TO_PBUFFER_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_X_RENDERABLE, pop);
TRACE("pAttr[%d] = GLX_RENDERABLE: %d\n", cur, pop);
break;
case WGL_ACCELERATION_ARB:
case WGL_SUPPORT_OPENGL_ARB:
pop = iWGLAttr[++cur];
/** nothing to do, if we are here, supposing support Accelerated OpenGL */
TRACE("pAttr[%d] = WGL_SUPPORT_OPENGL_ARB: %d\n", cur, pop);
break;
case WGL_PBUFFER_LARGEST_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_LARGEST_PBUFFER, pop);
TRACE("pAttr[%d] = GLX_LARGEST_PBUFFER: %x\n", cur, pop);
break;
case WGL_SAMPLE_BUFFERS_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_SAMPLE_BUFFERS_ARB, pop);
TRACE("pAttr[%d] = GLX_SAMPLE_BUFFERS_ARB: %x\n", cur, pop);
break;
case WGL_SAMPLES_ARB:
pop = iWGLAttr[++cur];
PUSH2(oGLXAttr, GLX_SAMPLES_ARB, pop);
TRACE("pAttr[%d] = GLX_SAMPLES_ARB: %x\n", cur, pop);
break;
case WGL_TEXTURE_FORMAT_ARB:
case WGL_TEXTURE_TARGET_ARB:
case WGL_MIPMAP_TEXTURE_ARB:
TRACE("WGL_render_texture Attributes: %x as %x\n", iWGLAttr[cur], iWGLAttr[cur + 1]);
if (NULL == pbuf) {
ERR("trying to use GLX_Pbuffer Attributes without Pbuffer (was %x)\n", iWGLAttr[cur]);
}
if (!use_render_texture_emulation) {
ERR("trying to use WGL_render_texture Attributes without support (was %x)\n", iWGLAttr[cur]);
}
pop = iWGLAttr[++cur];
break ;
default:
FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
break;
}
++cur;
}
return nAttribs;
}
GLboolean WINAPI wglGetPixelFormatAttribivARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues)
{
Display* display = get_display( hdc );
UINT i;
GLXFBConfig* cfgs = NULL;
GLXFBConfig curCfg = NULL;
int nCfgs = 0;
int hTest;
int tmp;
int curGLXAttr = 0;
TRACE("(%p, %d, %d, %d, %p, %p)\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, piValues);
if (0 < iLayerPlane) {
FIXME("unsupported iLayerPlane(%d) > 0, returns FALSE\n", iLayerPlane);
return GL_FALSE;
}
cfgs = glXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
if (NULL == cfgs) {
ERR("no FB Configs found for display(%p)\n", display);
return GL_FALSE;
}
for (i = 0; i < nAttributes; ++i) {
const int curWGLAttr = piAttributes[i];
TRACE("pAttr[%d] = %x\n", i, curWGLAttr);
switch (curWGLAttr) {
case WGL_NUMBER_PIXEL_FORMATS_ARB:
piValues[i] = nCfgs;
continue ;
case WGL_SUPPORT_OPENGL_ARB:
piValues[i] = GL_TRUE;
continue ;
case WGL_ACCELERATION_ARB:
curGLXAttr = GLX_CONFIG_CAVEAT;
if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
curCfg = cfgs[iPixelFormat - 1];
hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
if (hTest) goto get_error;
switch (tmp) {
case GLX_NONE: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
case GLX_SLOW_CONFIG: piValues[i] = WGL_NO_ACCELERATION_ARB; break;
case GLX_NON_CONFORMANT_CONFIG: piValues[i] = WGL_FULL_ACCELERATION_ARB; break;
default:
ERR("unexpected Config Caveat(%x)\n", tmp);
piValues[i] = WGL_NO_ACCELERATION_ARB;
}
continue ;
case WGL_TRANSPARENT_ARB:
curGLXAttr = GLX_TRANSPARENT_TYPE;
if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
curCfg = cfgs[iPixelFormat - 1];
hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
if (hTest) goto get_error;
piValues[i] = GL_FALSE;
if (GLX_NONE != tmp) piValues[i] = GL_TRUE;
continue ;
case WGL_PIXEL_TYPE_ARB:
curGLXAttr = GLX_RENDER_TYPE;
if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
curCfg = cfgs[iPixelFormat - 1];
hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
if (hTest) goto get_error;
switch (tmp) {
case GLX_RGBA_BIT: piValues[i] = WGL_TYPE_RGBA_ARB; break;
case GLX_COLOR_INDEX_BIT: piValues[i] = WGL_TYPE_COLORINDEX_ARB; break ;
default:
ERR("unexpected RenderType(%x)\n", tmp);
piValues[i] = WGL_TYPE_RGBA_ARB;
}
continue ;
case WGL_COLOR_BITS_ARB:
curGLXAttr = GLX_BUFFER_SIZE;
break;
case WGL_BLUE_BITS_ARB:
curGLXAttr = GLX_BLUE_SIZE;
break;
case WGL_RED_BITS_ARB:
curGLXAttr = GLX_RED_SIZE;
break;
case WGL_GREEN_BITS_ARB:
curGLXAttr = GLX_GREEN_SIZE;
break;
case WGL_ALPHA_BITS_ARB:
curGLXAttr = GLX_ALPHA_SIZE;
break;
case WGL_DEPTH_BITS_ARB:
curGLXAttr = GLX_DEPTH_SIZE;
break;
case WGL_STENCIL_BITS_ARB:
curGLXAttr = GLX_STENCIL_SIZE;
break;
case WGL_DOUBLE_BUFFER_ARB:
curGLXAttr = GLX_DOUBLEBUFFER;
break;
case WGL_STEREO_ARB:
curGLXAttr = GLX_STEREO;
break;
case WGL_AUX_BUFFERS_ARB:
curGLXAttr = GLX_AUX_BUFFERS;
break;
case WGL_SUPPORT_GDI_ARB:
case WGL_DRAW_TO_WINDOW_ARB:
case WGL_DRAW_TO_BITMAP_ARB:
case WGL_DRAW_TO_PBUFFER_ARB:
curGLXAttr = GLX_X_RENDERABLE;
break;
case WGL_PBUFFER_LARGEST_ARB:
curGLXAttr = GLX_LARGEST_PBUFFER;
break;
case WGL_SAMPLE_BUFFERS_ARB:
curGLXAttr = GLX_SAMPLE_BUFFERS_ARB;
break;
case WGL_SAMPLES_ARB:
curGLXAttr = GLX_SAMPLES_ARB;
break;
case WGL_BIND_TO_TEXTURE_RGB_ARB:
case WGL_BIND_TO_TEXTURE_RGBA_ARB:
if (!use_render_texture_emulation) {
piValues[i] = GL_FALSE;
continue ;
}
curGLXAttr = GLX_RENDER_TYPE;
if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
curCfg = cfgs[iPixelFormat - 1];
hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, &tmp);
if (hTest) goto get_error;
if (GLX_COLOR_INDEX_BIT == tmp) {
piValues[i] = GL_FALSE;
continue ;
}
curGLXAttr = GLX_X_RENDERABLE;
break;
default:
FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
}
if (0 != curGLXAttr) {
if (nCfgs < iPixelFormat || 0 >= iPixelFormat) goto pix_error;
curCfg = cfgs[iPixelFormat - 1];
hTest = glXGetFBConfigAttrib(display, curCfg, curGLXAttr, piValues + i);
if (hTest) goto get_error;
} else {
piValues[i] = GL_FALSE;
}
}
return GL_TRUE;
get_error:
ERR("(%p): unexpected failure on GetFBConfigAttrib(%x) returns FALSE\n", hdc, curGLXAttr);
XFree(cfgs);
return GL_FALSE;
pix_error:
ERR("(%p): unexpected iPixelFormat(%d) vs nFormats(%d), returns FALSE\n", hdc, iPixelFormat, nCfgs);
XFree(cfgs);
return GL_FALSE;
}
GLboolean WINAPI wglGetPixelFormatAttribfvARB(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues)
{
FIXME("(%p, %d, %d, %d, %p, %p): stub\n", hdc, iPixelFormat, iLayerPlane, nAttributes, piAttributes, pfValues);
return GL_FALSE;
}
/**
* http://publib.boulder.ibm.com/infocenter/pseries/index.jsp?topic=/com.ibm.aix.doc/libs/openglrf/glXChooseFBConfig.htm
*/
GLboolean WINAPI wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
{
Display* display = get_display( hdc );
int gl_test = 0;
int attribs[256];
unsigned nAttribs = 0;
GLXFBConfig* cfgs = NULL;
int nCfgs = 0;
UINT it;
int fmt_id;
GLXFBConfig* cfgs_fmt = NULL;
int nCfgs_fmt = 0;
UINT it_fmt;
int tmp_fmt_id;
int pfmt_it = 0;
TRACE("(%p, %p, %p, %d, %p, %p): hackish\n", hdc, piAttribIList, pfAttribFList, nMaxFormats, piFormats, nNumFormats);
if (NULL != pfAttribFList) {
FIXME("unused pfAttribFList\n");
}
nAttribs = ConvertAttribWGLtoGLX(piAttribIList, attribs, NULL);
PUSH1(attribs, None);
cfgs = glXChooseFBConfig(display, DefaultScreen(display), attribs, &nCfgs);
if (NULL == cfgs) {
WARN("Compatible Pixel Format not found\n");
return GL_FALSE;
}
cfgs_fmt = glXGetFBConfigs(display, DefaultScreen(display), &nCfgs_fmt);
if (NULL == cfgs_fmt) {
ERR("Failed to get All FB Configs\n");
XFree(cfgs);
return GL_FALSE;
}
for (it = 0; it < nMaxFormats && it < nCfgs; ++it) {
gl_test = glXGetFBConfigAttrib(display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
if (gl_test) {
ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
continue ;
}
for (it_fmt = 0; it_fmt < nCfgs_fmt; ++it_fmt) {
gl_test = glXGetFBConfigAttrib(display, cfgs_fmt[it_fmt], GLX_FBCONFIG_ID, &tmp_fmt_id);
if (gl_test) {
ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
continue ;
}
if (fmt_id == tmp_fmt_id) {
piFormats[pfmt_it] = it_fmt + 1;
++pfmt_it;
break ;
}
}
if (it_fmt == nCfgs_fmt) {
ERR("Failed to get valid fmt for %d. Try next.\n", it);
continue ;
}
TRACE("at %d/%d found FBCONFIG_ID(%d/%d)\n", it + 1, nCfgs, piFormats[it], nCfgs_fmt);
}
*nNumFormats = pfmt_it;
/** free list */
XFree(cfgs);
XFree(cfgs_fmt);
return GL_TRUE;
}
#define HPBUFFERARB void *
HPBUFFERARB WINAPI wglCreatePbufferARB(HDC hdc, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList)
{
Wine_GLPBuffer* object = NULL;
Display* display = get_display( hdc );
GLXFBConfig* cfgs = NULL;
int nCfgs = 0;
int attribs[256];
unsigned nAttribs = 0;
TRACE("(%p, %d, %d, %d, %p)\n", hdc, iPixelFormat, iWidth, iHeight, piAttribList);
if (0 >= iPixelFormat) {
ERR("(%p): unexpected iPixelFormat(%d) <= 0, returns NULL\n", hdc, iPixelFormat);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return NULL; /* unespected error */
}
cfgs = glXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
if (NULL == cfgs || 0 == nCfgs) {
ERR("(%p): Cannot get FB Configs for iPixelFormat(%d), returns NULL\n", hdc, iPixelFormat);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return NULL; /* unespected error */
}
if (nCfgs < iPixelFormat) {
ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
goto create_failed; /* unespected error */
}
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(Wine_GLPBuffer));
if (NULL == object) {
SetLastError(ERROR_NO_SYSTEM_RESOURCES);
goto create_failed; /* unespected error */
}
object->hdc = hdc;
object->display = display;
object->width = iWidth;
object->height = iHeight;
object->pixelFormat = iPixelFormat;
nAttribs = ConvertAttribWGLtoGLX(piAttribList, attribs, object);
PUSH2(attribs, GLX_PBUFFER_WIDTH, iWidth);
PUSH2(attribs, GLX_PBUFFER_HEIGHT, iHeight);
PUSH1(attribs, None);
while (0 != *piAttribList) {
int attr_v;
switch (*piAttribList) {
case WGL_TEXTURE_FORMAT_ARB: {
if (!use_render_texture_emulation) {
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
++piAttribList;
attr_v = *piAttribList;
TRACE("WGL_render_texture Attribute: WGL_TEXTURE_FORMAT_ARB as %x\n", attr_v);
switch (attr_v) {
case WGL_TEXTURE_RGB_ARB:
case WGL_TEXTURE_RGBA_ARB:
case WGL_NO_TEXTURE_ARB:
break;
default:
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
break;
}
case WGL_TEXTURE_TARGET_ARB: {
if (!use_render_texture_emulation) {
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
++piAttribList;
attr_v = *piAttribList;
TRACE("WGL_render_texture Attribute: WGL_TEXTURE_TARGET_ARB as %x\n", attr_v);
switch (attr_v) {
case WGL_TEXTURE_CUBE_MAP_ARB: {
if (iWidth != iHeight) {
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
object->texture_target = GL_TEXTURE_CUBE_MAP;
object->texture_bind_target = GL_TEXTURE_CUBE_MAP;
break;
}
case WGL_TEXTURE_1D_ARB: {
if (1 != iHeight) {
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
object->texture_target = GL_TEXTURE_1D;
object->texture_bind_target = GL_TEXTURE_1D;
break;
}
case WGL_TEXTURE_2D_ARB: {
object->texture_target = GL_TEXTURE_2D;
object->texture_bind_target = GL_TEXTURE_2D;
break;
}
case WGL_NO_TEXTURE_ARB:
break;
default:
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
break;
}
case WGL_MIPMAP_TEXTURE_ARB: {
if (!use_render_texture_emulation) {
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
++piAttribList;
attr_v = *piAttribList;
TRACE("WGL_render_texture Attribute: WGL_MIPMAP_TEXTURE_ARB as %x\n", attr_v);
if (0 != attr_v) {
SetLastError(ERROR_INVALID_DATA);
goto create_failed;
}
break ;
}
}
++piAttribList;
}
object->drawable = glXCreatePbuffer(display, cfgs[iPixelFormat - 1], attribs);
TRACE("new Pbuffer drawable as %p\n", (void*) object->drawable);
if (!object->drawable) {
SetLastError(ERROR_NO_SYSTEM_RESOURCES);
goto create_failed; /* unespected error */
}
TRACE("->(%p)\n", object);
/** free list */
XFree(cfgs);
return (HPBUFFERARB) object;
create_failed:
if (NULL != cfgs) XFree(cfgs);
if (NULL != object) HeapFree(GetProcessHeap(), 0, object);
TRACE("->(FAILED)\n");
return (HPBUFFERARB) NULL;
}
HDC WINAPI wglGetPbufferDCARB(HPBUFFERARB hPbuffer)
{
Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
HDC hDC;
if (NULL == object) {
SetLastError(ERROR_INVALID_HANDLE);
return NULL;
}
hDC = CreateCompatibleDC(object->hdc);
set_drawable(hDC, object->drawable); /* works ?? */
TRACE("(%p)->(%p)\n", hPbuffer, hDC);
return hDC;
}
int WINAPI wglReleasePbufferDCARB(HPBUFFERARB hPbuffer, HDC hdc)
{
TRACE("(%p, %p)\n", hPbuffer, hdc);
DeleteDC(hdc);
return 0;
}
GLboolean WINAPI wglDestroyPbufferARB(HPBUFFERARB hPbuffer)
{
Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
TRACE("(%p)\n", hPbuffer);
if (NULL == object) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
glXDestroyPbuffer(object->display, object->drawable);
HeapFree(GetProcessHeap(), 0, object);
return GL_TRUE;
}
GLboolean WINAPI wglQueryPbufferARB(HPBUFFERARB hPbuffer, int iAttribute, int *piValue)
{
Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
TRACE("(%p, 0x%x, %p)\n", hPbuffer, iAttribute, piValue);
if (NULL == object) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
switch (iAttribute) {
case WGL_PBUFFER_WIDTH_ARB:
glXQueryDrawable(object->display, object->drawable, GLX_WIDTH, piValue);
break;
case WGL_PBUFFER_HEIGHT_ARB:
glXQueryDrawable(object->display, object->drawable, GLX_HEIGHT, piValue);
break;
case WGL_PBUFFER_LOST_ARB:
FIXME("unsupported WGL_PBUFFER_LOST_ARB (need glXSelectEvent/GLX_DAMAGED work)\n");
break;
case WGL_TEXTURE_FORMAT_ARB:
case WGL_TEXTURE_TARGET_ARB:
case WGL_MIPMAP_TEXTURE_ARB:
if (!object->use_render_texture) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (!use_render_texture_emulation) {
SetLastError(ERROR_INVALID_DATA);
return GL_FALSE; /** how to FIX ? */
}
FIXME("unsupported WGL_ARB_render_texture attribute query for 0x%x\n", iAttribute);
break;
default:
FIXME("unexpected attribute %x\n", iAttribute);
break;
}
return GL_TRUE;
}
GLboolean WINAPI wglBindTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
{
Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
TRACE("(%p, %d)\n", hPbuffer, iBuffer);
if (NULL == object) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (!object->use_render_texture) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (1 == use_render_texture_emulation) {
return GL_TRUE;
}
if (NULL != p_glXBindTexImageARB) {
return p_glXBindTexImageARB(object->display, object->drawable, iBuffer);
}
return GL_FALSE;
}
GLboolean WINAPI wglReleaseTexImageARB(HPBUFFERARB hPbuffer, int iBuffer)
{
Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
TRACE("(%p, %d)\n", hPbuffer, iBuffer);
if (NULL == object) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (!object->use_render_texture) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (1 == use_render_texture_emulation) {
GLuint prev_binded_tex;
glGetIntegerv(object->texture_target, &prev_binded_tex);
glBindTexture(object->texture_target, object->texture);
if (GL_TEXTURE_1D == object->texture_target) {
glCopyTexSubImage1D(object->texture_bind_target, object->texture_level, 0, 0, 0, object->width);
} else {
glCopyTexSubImage2D(object->texture_bind_target, object->texture_level, 0, 0, 0, 0, object->width, object->height);
}
glBindTexture(object->texture_target, prev_binded_tex);
return GL_TRUE;
}
if (NULL != p_glXReleaseTexImageARB) {
return p_glXReleaseTexImageARB(object->display, object->drawable, iBuffer);
}
return GL_FALSE;
}
GLboolean WINAPI wglSetPbufferAttribARB(HPBUFFERARB hPbuffer, const int *piAttribList)
{
Wine_GLPBuffer* object = (Wine_GLPBuffer*) hPbuffer;
WARN("(%p, %p): alpha-testing, report any problem\n", hPbuffer, piAttribList);
if (NULL == object) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (!object->use_render_texture) {
SetLastError(ERROR_INVALID_HANDLE);
return GL_FALSE;
}
if (1 == use_render_texture_emulation) {
return GL_TRUE;
}
if (NULL != p_glXDrawableAttribARB) {
return p_glXDrawableAttribARB(object->display, object->drawable, piAttribList);
}
return GL_FALSE;
}
static const struct {
const char *name;
BOOL (*query_function)(glXGetProcAddressARB_t proc, const char *gl_version, const char *gl_extensions,
const char *glx_version, const char *glx_extensions,
const char *server_glx_extensions, const char *client_glx_extensions);
} extension_list[] = {
{ "WGL_ARB_make_current_read", query_function_make_current_read },
{ "WGL_ARB_multisample", query_function_multisample },
{ "WGL_ARB_pbuffer", query_function_pbuffer },
{ "WGL_ARB_pixel_format" , query_function_pixel_format },
{ "WGL_ARB_render_texture", query_function_render_texture },
{ "WGL_EXT_swap_control", query_function_swap_control }
};
/* Used to initialize the WGL extension string at DLL loading */
void wgl_ext_initialize_extensions(Display *display, int screen, glXGetProcAddressARB_t proc, const char* disabled_extensions)
{
int size = strlen(WGL_extensions_base);
const char *glx_extensions = glXQueryExtensionsString(display, screen);
const char *server_glx_extensions = glXQueryServerString(display, screen, GLX_EXTENSIONS);
const char *client_glx_extensions = glXGetClientString(display, GLX_EXTENSIONS);
const char *gl_extensions = (const char *) glGetString(GL_EXTENSIONS);
const char *gl_version = (const char *) glGetString(GL_VERSION);
const char *glx_version = glXGetClientString(display, GLX_VERSION);
int i;
TRACE("GL version : %s.\n", debugstr_a(gl_version));
TRACE("GL exts : %s.\n", debugstr_a(gl_extensions));
TRACE("GLX exts : %s.\n", debugstr_a(glx_extensions));
TRACE("Server GLX exts : %s.\n", debugstr_a(server_glx_extensions));
TRACE("Client GLX exts : %s.\n", debugstr_a(client_glx_extensions));
for (i = 0; i < (sizeof(extension_list) / sizeof(extension_list[0])); i++) {
if (strstr(disabled_extensions, extension_list[i].name)) continue ; /* disabled by config, next */
if (extension_list[i].query_function(proc,
gl_version, gl_extensions,
glx_version, glx_extensions,
server_glx_extensions, client_glx_extensions)) {
size += strlen(extension_list[i].name) + 1;
}
}
/* For the moment, only 'base' extensions are supported. */
WGL_extensions = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size + 1);
if (WGL_extensions == NULL) {
WGL_extensions = (char *) WGL_extensions_base;
} else {
strcpy(WGL_extensions, WGL_extensions_base);
for (i = 0; i < (sizeof(extension_list) / sizeof(extension_list[0])); i++) {
if (strstr(disabled_extensions, extension_list[i].name)) continue ; /* disabled by config, next */
if (extension_list[i].query_function(proc,
gl_version, gl_extensions,
glx_version, glx_extensions,
server_glx_extensions, client_glx_extensions)) {
strcat(WGL_extensions, " ");
strcat(WGL_extensions, extension_list[i].name);
}
}
}
TRACE("Supporting following WGL extensions : %s.\n", debugstr_a(WGL_extensions));
}
void wgl_ext_finalize_extensions(void)
{
if (WGL_extensions != WGL_extensions_base) {
HeapFree(GetProcessHeap(), 0, WGL_extensions);
}
}
/*
* Putting this at the end to prevent having to write the prototypes :-)
*
* @WARNING: this list must be ordered by name
*
* @TODO: real handle caps on providing some func_init functions (third param, ex: to check extensions)
*/
WGL_extension wgl_extension_registry[] = {
{ "wglBindTexImageARB", (void *) wglBindTexImageARB, NULL, NULL},
{ "wglChoosePixelFormatARB", (void *) wglChoosePixelFormatARB, NULL, NULL},
{ "wglCreatePbufferARB", (void *) wglCreatePbufferARB, NULL, NULL},
{ "wglDestroyPbufferARB", (void *) wglDestroyPbufferARB, NULL, NULL},
{ "wglGetCurrentReadDCARB", (void *) wglGetCurrentReadDCARB, NULL, NULL},
{ "wglGetExtensionsStringARB", (void *) wglGetExtensionsStringARB, NULL, NULL},
{ "wglGetExtensionsStringEXT", (void *) wglGetExtensionsStringEXT, NULL, NULL},
{ "wglGetPbufferDCARB", (void *) wglGetPbufferDCARB, NULL, NULL},
{ "wglGetPixelFormatAttribfvARB", (void *) wglGetPixelFormatAttribfvARB, NULL, NULL},
{ "wglGetPixelFormatAttribivARB", (void *) wglGetPixelFormatAttribivARB, NULL, NULL},
{ "wglGetSwapIntervalEXT", (void *) wglGetSwapIntervalEXT, NULL, NULL},
{ "wglMakeContextCurrentARB", (void *) wglMakeContextCurrentARB, NULL, NULL },
{ "wglQueryPbufferARB", (void *) wglQueryPbufferARB, NULL, NULL},
{ "wglReleasePbufferDCARB", (void *) wglReleasePbufferDCARB, NULL, NULL},
{ "wglReleaseTexImageARB", (void *) wglReleaseTexImageARB, NULL, NULL},
{ "wglSetPbufferAttribARB", (void *) wglSetPbufferAttribARB, NULL, NULL},
{ "wglSwapIntervalEXT", (void *) wglSwapIntervalEXT, NULL, NULL}
};
int wgl_extension_registry_size = sizeof(wgl_extension_registry) / sizeof(wgl_extension_registry[0]);
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