From 9b889626d072bdd28ce2096cf2acedab47810037 Mon Sep 17 00:00:00 2001
From: Roderick Colenbrander <thunderbird2k@gmail.com>
Date: Mon, 20 Apr 2009 22:57:19 +0200
Subject: [PATCH] opengl: Add WGL_EXT_pixel_format_packed_float support.

---
 dlls/winex11.drv/opengl.c | 19 ++++++++++++++++++-
 include/wine/wgl.h        |  7 +++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index d43f03e94a0..7ac8cadbb68 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -4,7 +4,7 @@
  * Copyright 2000 Lionel Ulmer
  * Copyright 2005 Alex Woods
  * Copyright 2005 Raphael Junqueira
- * Copyright 2006 Roderick Colenbrander
+ * Copyright 2006-2009 Roderick Colenbrander
  * Copyright 2006 Tomas Carnecky
  *
  * This library is free software; you can redistribute it and/or
@@ -681,6 +681,7 @@ static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuf
       case WGL_TYPE_RGBA_ARB: pixelattrib = GLX_RGBA_BIT; break ;
       /* This is the same as WGL_TYPE_RGBA_FLOAT_ATI but the GLX constants differ, only the ARB GLX one is widely supported so use that */
       case WGL_TYPE_RGBA_FLOAT_ATI: pixelattrib = GLX_RGBA_FLOAT_BIT; break ;
+      case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT: pixelattrib = GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT; break ;
       default:
         ERR("unexpected PixelType(%x)\n", pop);	
         pop = 0;
@@ -790,6 +791,11 @@ static int ConvertAttribWGLtoGLX(const int* iWGLAttr, int* oGLXAttr, Wine_GLPBuf
       TRACE("pAttr[%d] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT: %x\n", cur, pop);
       break ;
 
+    case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT:
+      pop = iWGLAttr[++cur];
+      PUSH2(oGLXAttr, GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT, pop);
+      TRACE("pAttr[%d] = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT: %x\n", cur, pop);
+      break ;
     default:
       FIXME("unsupported %x WGL Attribute\n", iWGLAttr[cur]);
       break;
@@ -839,6 +845,9 @@ static int get_render_type_from_fbconfig(Display *display, GLXFBConfig fbconfig)
         case GLX_RGBA_FLOAT_BIT:
             render_type = GLX_RGBA_FLOAT_TYPE;
             break;
+        case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT:
+            render_type = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT;
+            break;
         default:
             ERR("Unknown render_type: %x\n", render_type);
     }
@@ -2743,6 +2752,7 @@ static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelF
                 else if (tmp & GLX_COLOR_INDEX_BIT)    { piValues[i] = WGL_TYPE_COLORINDEX_ARB; }
                 else if (tmp & GLX_RGBA_FLOAT_BIT)     { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
                 else if (tmp & GLX_RGBA_FLOAT_ATI_BIT) { piValues[i] = WGL_TYPE_RGBA_FLOAT_ATI; }
+                else if (tmp & GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT) { piValues[i] = WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT; }
                 else {
                     ERR("unexpected RenderType(%x)\n", tmp);
                     piValues[i] = WGL_TYPE_RGBA_ARB;
@@ -2853,6 +2863,10 @@ static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelF
                 curGLXAttr = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT;
                 break;
 
+            case WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT:
+                curGLXAttr = GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT;
+                break;
+
             case WGL_ACCUM_RED_BITS_ARB:
                 curGLXAttr = GLX_ACCUM_RED_SIZE;
                 break;
@@ -3402,6 +3416,9 @@ static void X11DRV_WineGL_LoadExtensions(void)
     if(glxRequireExtension("GLX_EXT_framebuffer_sRGB"))
         register_extension_string("WGL_EXT_framebuffer_sRGB");
 
+    if(glxRequireExtension("GLX_EXT_fbconfig_packed_float"))
+        register_extension_string("WGL_EXT_pixel_format_packed_float");
+
     /* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
     if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
         register_extension(&WGL_NV_vertex_array_range);
diff --git a/include/wine/wgl.h b/include/wine/wgl.h
index 7a2e77ea551..29ab53646ff 100644
--- a/include/wine/wgl.h
+++ b/include/wine/wgl.h
@@ -182,6 +182,13 @@
 # define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
 #endif
 
+/* WGL_EXT_pixel_format_packed_float */
+#define WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT 0x20A8
+#ifndef GLX_EXT_fbconfig_packed_float
+#define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
+#define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT  0x00000008
+#endif
+
 /** WGL_ARB_create_context */
 #define WGL_CONTEXT_DEBUG_BIT_ARB      0x0001
 #define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
-- 
2.11.4.GIT