diff options
author | José Fonseca <[email protected]> | 2012-06-26 10:13:28 +0100 |
---|---|---|
committer | José Fonseca <[email protected]> | 2012-06-26 10:15:36 +0100 |
commit | 4bde1ba7fb6253e80197d3645b23893424ef756b (patch) | |
tree | cb270ee55fd02fdf194b850c31afd3e2764167f0 /src/gallium | |
parent | cc2cd8b356e137c83600d5e1804fd6162ce687c9 (diff) |
st/wgl: Add a few more comments.
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/state_trackers/wgl/stw_icd.h | 31 | ||||
-rw-r--r-- | src/gallium/state_trackers/wgl/stw_wgl.c | 13 |
2 files changed, 38 insertions, 6 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_icd.h b/src/gallium/state_trackers/wgl/stw_icd.h index 02eb543fef0..9f386c9c104 100644 --- a/src/gallium/state_trackers/wgl/stw_icd.h +++ b/src/gallium/state_trackers/wgl/stw_icd.h @@ -25,6 +25,13 @@ * **************************************************************************/ +/** + * @file + * + * This header defines the interface used by the system's opengl32.dll and the + * Installable Client Driver (ICD). + */ + #ifndef STW_ICD_H #define STW_ICD_H @@ -447,14 +454,26 @@ typedef struct _GLCBPRESENTBUFFERSDATA */ typedef struct _GLCALLBACKTABLE { - /** Unused */ - PROC wglCbSetCurrentValue; + /** + * Set per-thread driver private data. + * + * Unused. + **/ + void (APIENTRY *wglCbSetCurrentValue)(void *pvData); - /** Unused */ - PROC wglCbGetCurrentValue; + /** + * Get per-thread private data. + * + * Unused. + */ + void * (APIENTRY *wglCbGetCurrentValue)(void); - /** Unused */ - PROC wglCbGetDhglrc; + /** + * Get the ICD GHGLRC handle corresponding to the specified hglrc handle. + * + * Currently unused. + */ + DHGLRC (APIENTRY *wglCbGetDhglrc)(HGLRC hglrc); /** Unused */ PROC wglCbGetDdHandle; diff --git a/src/gallium/state_trackers/wgl/stw_wgl.c b/src/gallium/state_trackers/wgl/stw_wgl.c index d38bfbefdd7..17b6da8528b 100644 --- a/src/gallium/state_trackers/wgl/stw_wgl.c +++ b/src/gallium/state_trackers/wgl/stw_wgl.c @@ -25,6 +25,19 @@ * **************************************************************************/ +/** + * @file + * + * Fake WGL API implementation. + * + * These functions implement the WGL API, on top of the ICD DDI, so that the + * resulting DLL can be used as a drop-in replacement for the system's + * opengl32.dll. + * + * These functions never get called for ICD drivers, which use exclusively the + * ICD DDI, i.e., the Drv* entrypoints. + */ + #include <windows.h> #include "util/u_debug.h" |