[Mesa-dev] [PATCH] gallium: implement WGL_ARB_create_context
morgan armand
morgan.devel at gmail.com
Fri Oct 28 06:53:41 PDT 2011
On Thu, Oct 27, 2011 at 9:04 PM, Jose Fonseca <jfonseca at vmware.com> wrote:
> Margan,
>
> The code in the diff has wrapped-around and can't be applied automatically.
>
> Please re-send the patch as an attachment.
>
> Jose
>
> ----- Original Message -----
>> Here is the modified patch. I just checked if it works but doesn't
>> have a good test case for it. But I will write one for sure!
>>
>> ---
>> src/gallium/state_trackers/wgl/SConscript | 1 +
>> src/gallium/state_trackers/wgl/stw_context.c | 47 +++++++-
>> src/gallium/state_trackers/wgl/stw_context.h | 3 +
>> src/gallium/state_trackers/wgl/stw_ext_context.c | 119
>> ++++++++++++++++++++
>> .../state_trackers/wgl/stw_getprocaddress.c | 3 +
>> 5 files changed, 166 insertions(+), 7 deletions(-)
>> create mode 100644 src/gallium/state_trackers/wgl/stw_ext_context.c
>>
>> diff --git a/src/gallium/state_trackers/wgl/SConscript
>> b/src/gallium/state_trackers/wgl/SConscript
>> index 7cb953b..1014b45 100644
>> --- a/src/gallium/state_trackers/wgl/SConscript
>> +++ b/src/gallium/state_trackers/wgl/SConscript
>> @@ -22,6 +22,7 @@ if not env['gles']:
>> sources = [
>> 'stw_context.c',
>> 'stw_device.c',
>> + 'stw_ext_context.c',
>> 'stw_ext_extensionsstring.c',
>> 'stw_ext_gallium.c',
>> 'stw_ext_pbuffer.c',
>> diff --git a/src/gallium/state_trackers/wgl/stw_context.c
>> b/src/gallium/state_trackers/wgl/stw_context.c
>> index c2839fe..6cc8a83 100644
>> --- a/src/gallium/state_trackers/wgl/stw_context.c
>> +++ b/src/gallium/state_trackers/wgl/stw_context.c
>> @@ -27,6 +27,11 @@
>>
>> #include <windows.h>
>>
>> +#define WGL_WGLEXT_PROTOTYPES
>> +
>> +#include <GL/gl.h>
>> +#include <GL/wglext.h>
>> +
>> #include "pipe/p_compiler.h"
>> #include "pipe/p_context.h"
>> #include "pipe/p_state.h"
>> @@ -121,23 +126,41 @@ DrvCreateLayerContext(
>> HDC hdc,
>> INT iLayerPlane )
>> {
>> + return stw_create_context_attribs(hdc, iLayerPlane, 0, 1, 0, 0,
>> WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB);
>> +}
>> +
>> +DHGLRC
>> +stw_create_context_attribs(
>> + HDC hdc,
>> + INT iLayerPlane,
>> + DHGLRC hShareContext,
>> + int majorVersion, int minorVersion,
>> + int contextFlags, int profileMask)
>> +{
>> int iPixelFormat;
>> const struct stw_pixelformat_info *pfi;
>> struct st_context_attribs attribs;
>> struct stw_context *ctx = NULL;
>> -
>> - if(!stw_dev)
>> + struct stw_context *shareCtx = NULL;
>> +
>> + if (!stw_dev)
>> return 0;
>> -
>> +
>> if (iLayerPlane != 0)
>> return 0;
>>
>> iPixelFormat = GetPixelFormat(hdc);
>> if(!iPixelFormat)
>> return 0;
>> -
>> +
>> pfi = stw_pixelformat_get_info( iPixelFormat - 1 );
>> -
>> +
>> + if (hShareContext != 0) {
>> + pipe_mutex_lock( stw_dev->ctx_mutex );
>> + shareCtx = stw_lookup_context_locked( hShareContext );
>> + pipe_mutex_unlock( stw_dev->ctx_mutex );
>> + }
>> +
>> ctx = CALLOC_STRUCT( stw_context );
>> if (ctx == NULL)
>> goto no_ctx;
>> @@ -148,10 +171,20 @@ DrvCreateLayerContext(
>> memset(&attribs, 0, sizeof(attribs));
>> attribs.profile = ST_PROFILE_DEFAULT;
>> attribs.visual = pfi->stvis;
>> + attribs.major = majorVersion;
>> + attribs.minor = minorVersion;
>> + if (contextFlags & WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB)
>> + attribs.flags |= ST_CONTEXT_FLAG_FORWARD_COMPATIBLE;
>> + if (contextFlags & WGL_CONTEXT_DEBUG_BIT_ARB)
>> + attribs.flags |= ST_CONTEXT_FLAG_DEBUG;
>> + if (profileMask & WGL_CONTEXT_CORE_PROFILE_BIT_ARB)
>> + attribs.flags |= ST_CONTEXT_FLAG_CORE_PROFILE;
>> + if (profileMask & WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB)
>> + attribs.flags |= ST_CONTEXT_FLAG_COMPATIBLE_PROFILE;
>>
>> ctx->st = stw_dev->stapi->create_context(stw_dev->stapi,
>> - stw_dev->smapi, &attribs, NULL);
>> - if (ctx->st == NULL)
>> + stw_dev->smapi, &attribs, shareCtx ? shareCtx->st : NULL);
>> + if (ctx->st == NULL)
>> goto no_st_ctx;
>>
>> ctx->st->st_manager_private = (void *) ctx;
>> diff --git a/src/gallium/state_trackers/wgl/stw_context.h
>> b/src/gallium/state_trackers/wgl/stw_context.h
>> index 0bbed84..07a5c7d 100644
>> --- a/src/gallium/state_trackers/wgl/stw_context.h
>> +++ b/src/gallium/state_trackers/wgl/stw_context.h
>> @@ -43,6 +43,9 @@ struct stw_context
>> struct stw_framebuffer *current_framebuffer;
>> };
>>
>> +DHGLRC stw_create_context_attribs( HDC hdc, INT iLayerPlane, DHGLRC
>> hShareContext,
>> + int majorVersion, int
>> minorVersion, int contextFlags, int profileMask );
>> +
>> DHGLRC stw_get_current_context( void );
>>
>> HDC stw_get_current_dc( void );
>> diff --git a/src/gallium/state_trackers/wgl/stw_ext_context.c
>> b/src/gallium/state_trackers/wgl/stw_ext_context.c
>> new file mode 100644
>> index 0000000..a3470ac
>> --- /dev/null
>> +++ b/src/gallium/state_trackers/wgl/stw_ext_context.c
>> @@ -0,0 +1,119 @@
>> +/*
>> + * Mesa 3-D graphics library
>> + * Version: 7.11
>> + *
>> + * Copyright (C) 2011 Morgan Armand <morgan.devel at gmail.com>
>> + *
>> + * Permission is hereby granted, free of charge, to any person
>> obtaining a
>> + * copy of this software and associated documentation files (the
>> "Software"),
>> + * to deal in the Software without restriction, including without
>> limitation
>> + * the rights to use, copy, modify, merge, publish, distribute,
>> sublicense,
>> + * and/or sell copies of the Software, and to permit persons to whom
>> the
>> + * Software is furnished to do so, subject to the following
>> conditions:
>> + *
>> + * The above copyright notice and this permission notice shall be
>> included
>> + * in all copies or substantial portions of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> EXPRESS
>> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> MERCHANTABILITY,
>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
>> EVENT SHALL
>> + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
>> WHETHER IN
>> + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
>> IN
>> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
>> SOFTWARE.
>> + */
>> +
>> +#include <windows.h>
>> +
>> +#define WGL_WGLEXT_PROTOTYPES
>> +
>> +#include <GL/gl.h>
>> +#include <GL/wglext.h>
>> +
>> +#include "stw_icd.h"
>> +#include "stw_context.h"
>> +
>> +HGLRC WINAPI
>> +wglCreateContextAttribsARB(HDC hDC, HGLRC hShareContext, const int
>> *attribList)
>> +{
>> + int majorVersion = 1, minorVersion = 0, layerPlane = 0;
>> + int contextFlags = 0x0;
>> + int profileMask = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
>> + int i;
>> + BOOL done = FALSE;
>> +
>> + /* parse attrib_list */
>> + if (attribList) {
>> + for (i = 0; !done && attribList[i]; i++) {
>> + switch (attribList[i]) {
>> + case WGL_CONTEXT_MAJOR_VERSION_ARB:
>> + majorVersion = attribList[++i];
>> + break;
>> + case WGL_CONTEXT_MINOR_VERSION_ARB:
>> + minorVersion = attribList[++i];
>> + break;
>> + case WGL_CONTEXT_LAYER_PLANE_ARB:
>> + layerPlane = attribList[++i];
>> + break;
>> + case WGL_CONTEXT_FLAGS_ARB:
>> + contextFlags = attribList[++i];
>> + break;
>> + case WGL_CONTEXT_PROFILE_MASK_ARB:
>> + profileMask = attribList[++i];
>> + break;
>> + case 0:
>> + /* end of list */
>> + done = TRUE;
>> + break;
>> + default:
>> + /* bad attribute */
>> + SetLastError(ERROR_INVALID_PARAMETER);
>> + return NULL;
>> + }
>> + }
>> + }
>> +
>> + /* check version (generate ERROR_INVALID_VERSION_ARB if bad) */
>> + switch (majorVersion) {
>> + case 1:
>> + if (minorVersion < 0 || minorVersion > 5) {
>> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> + return NULL;
>> + }
>> + break;
>> + case 2:
>> + if (minorVersion < 0 || minorVersion > 1) {
>> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> + return NULL;
>> + }
>> + break;
>> + case 3:
>> + if (minorVersion < 0 || minorVersion > 3) {
>> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> + return NULL;
>> + }
>> + break;
>> + case 4:
>> + if (minorVersion < 0 || minorVersion > 2) {
>> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> + return NULL;
>> + }
>> + break;
>> + default:
>> + return NULL;
>> + }
>> +
>> + if ((contextFlags & WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB) &&
>> majorVersion < 3) {
>> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> + return NULL;
>> + }
>> +
>> + /* check profileMask */
>> + if (profileMask != WGL_CONTEXT_CORE_PROFILE_BIT_ARB &&
>> + profileMask != WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB) {
>> + SetLastError(ERROR_INVALID_PROFILE_ARB);
>> + return NULL;
>> + }
>> +
>> + return (HGLRC) stw_create_context_attribs( hDC, layerPlane,
>> (DHGLRC)(UINT_PTR)hShareContext,
>> + majorVersion,
>> minorVersion, contextFlags, profileMask );
>> +}
>> diff --git a/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> b/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> index b0aef94..a1df44c 100644
>> --- a/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> +++ b/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> @@ -73,6 +73,9 @@ static const struct stw_extension_entry
>> stw_extension_entries[] = {
>> STW_EXTENSION_ENTRY( wglGetGalliumScreenMESA ),
>> STW_EXTENSION_ENTRY( wglCreateGalliumContextMESA ),
>>
>> + /* WGL_ARB_create_context */
>> + STW_EXTENSION_ENTRY( wglCreateContextAttribsARB ),
>> +
>> { NULL, NULL }
>> };
>>
>> --
>> 1.7.7.msysgit.1
>>
>> On Mon, Oct 24, 2011 at 5:37 PM, Jose Fonseca <jfonseca at vmware.com>
>> wrote:
>> > Looks good to me. Just a few minor requests:
>> > - The APIENTRY keyword in stw_create_context_attribs() is
>> > unnecessary given it is an internal API.
>> > - Please move the stw_create_context_attribs() immediately after
>> > DrvCreateLayerContext so that the code doesn't move around so
>> > much, and the diff is cleaner.
>> >
>> > BTW, do you have test case for this? It would be really good have
>> > one in piglit and/or mesa demos.
>> >
>> > Jose
>> >
>> > ----- Original Message -----
>> >> Sorry about the missing file. Here is the patch taking into
>> >> account
>> >> your remarks.
>> >>
>> >> ---
>> >> src/gallium/state_trackers/wgl/SConscript | 1 +
>> >> src/gallium/state_trackers/wgl/stw_context.c | 130
>> >> ++++++++++++--------
>> >> src/gallium/state_trackers/wgl/stw_context.h | 3 +
>> >> src/gallium/state_trackers/wgl/stw_ext_context.c | 119
>> >> ++++++++++++++++++
>> >> .../state_trackers/wgl/stw_getprocaddress.c | 3 +
>> >> 5 files changed, 207 insertions(+), 49 deletions(-)
>> >> create mode 100644
>> >> src/gallium/state_trackers/wgl/stw_ext_context.c
>> >>
>> >> diff --git a/src/gallium/state_trackers/wgl/SConscript
>> >> b/src/gallium/state_trackers/wgl/SConscript
>> >> index 7cb953b..1014b45 100644
>> >> --- a/src/gallium/state_trackers/wgl/SConscript
>> >> +++ b/src/gallium/state_trackers/wgl/SConscript
>> >> @@ -22,6 +22,7 @@ if not env['gles']:
>> >> sources = [
>> >> 'stw_context.c',
>> >> 'stw_device.c',
>> >> + 'stw_ext_context.c',
>> >> 'stw_ext_extensionsstring.c',
>> >> 'stw_ext_gallium.c',
>> >> 'stw_ext_pbuffer.c',
>> >> diff --git a/src/gallium/state_trackers/wgl/stw_context.c
>> >> b/src/gallium/state_trackers/wgl/stw_context.c
>> >> index c2839fe..152984a 100644
>> >> --- a/src/gallium/state_trackers/wgl/stw_context.c
>> >> +++ b/src/gallium/state_trackers/wgl/stw_context.c
>> >> @@ -27,6 +27,11 @@
>> >>
>> >> #include <windows.h>
>> >>
>> >> +#define WGL_WGLEXT_PROTOTYPES
>> >> +
>> >> +#include <GL/gl.h>
>> >> +#include <GL/wglext.h>
>> >> +
>> >> #include "pipe/p_compiler.h"
>> >> #include "pipe/p_context.h"
>> >> #include "pipe/p_state.h"
>> >> @@ -121,55 +126,7 @@ DrvCreateLayerContext(
>> >> HDC hdc,
>> >> INT iLayerPlane )
>> >> {
>> >> - int iPixelFormat;
>> >> - const struct stw_pixelformat_info *pfi;
>> >> - struct st_context_attribs attribs;
>> >> - struct stw_context *ctx = NULL;
>> >> -
>> >> - if(!stw_dev)
>> >> - return 0;
>> >> -
>> >> - if (iLayerPlane != 0)
>> >> - return 0;
>> >> -
>> >> - iPixelFormat = GetPixelFormat(hdc);
>> >> - if(!iPixelFormat)
>> >> - return 0;
>> >> -
>> >> - pfi = stw_pixelformat_get_info( iPixelFormat - 1 );
>> >> -
>> >> - ctx = CALLOC_STRUCT( stw_context );
>> >> - if (ctx == NULL)
>> >> - goto no_ctx;
>> >> -
>> >> - ctx->hdc = hdc;
>> >> - ctx->iPixelFormat = iPixelFormat;
>> >> -
>> >> - memset(&attribs, 0, sizeof(attribs));
>> >> - attribs.profile = ST_PROFILE_DEFAULT;
>> >> - attribs.visual = pfi->stvis;
>> >> -
>> >> - ctx->st = stw_dev->stapi->create_context(stw_dev->stapi,
>> >> - stw_dev->smapi, &attribs, NULL);
>> >> - if (ctx->st == NULL)
>> >> - goto no_st_ctx;
>> >> -
>> >> - ctx->st->st_manager_private = (void *) ctx;
>> >> -
>> >> - pipe_mutex_lock( stw_dev->ctx_mutex );
>> >> - ctx->dhglrc = handle_table_add(stw_dev->ctx_table, ctx);
>> >> - pipe_mutex_unlock( stw_dev->ctx_mutex );
>> >> - if (!ctx->dhglrc)
>> >> - goto no_hglrc;
>> >> -
>> >> - return ctx->dhglrc;
>> >> -
>> >> -no_hglrc:
>> >> - ctx->st->destroy(ctx->st);
>> >> -no_st_ctx:
>> >> - FREE(ctx);
>> >> -no_ctx:
>> >> - return 0;
>> >> + return stw_create_context_attribs(hdc, iLayerPlane, 0, 1, 0,
>> >> 0,
>> >> WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB);
>> >> }
>> >>
>> >> BOOL APIENTRY
>> >> @@ -232,6 +189,81 @@ DrvReleaseContext(
>> >> return TRUE;
>> >> }
>> >>
>> >> +DHGLRC APIENTRY
>> >> +stw_create_context_attribs(
>> >> + HDC hdc,
>> >> + INT iLayerPlane,
>> >> + DHGLRC hShareContext,
>> >> + int majorVersion, int minorVersion,
>> >> + int contextFlags, int profileMask)
>> >> +{
>> >> + int iPixelFormat;
>> >> + const struct stw_pixelformat_info *pfi;
>> >> + struct st_context_attribs attribs;
>> >> + struct stw_context *ctx = NULL;
>> >> + struct stw_context *shareCtx = NULL;
>> >> +
>> >> + if(!stw_dev)
>> >> + return 0;
>> >> +
>> >> + if (iLayerPlane != 0)
>> >> + return 0;
>> >> +
>> >> + iPixelFormat = GetPixelFormat(hdc);
>> >> + if(!iPixelFormat)
>> >> + return 0;
>> >> +
>> >> + pfi = stw_pixelformat_get_info( iPixelFormat - 1 );
>> >> +
>> >> + if (hShareContext != 0) {
>> >> + pipe_mutex_lock( stw_dev->ctx_mutex );
>> >> + shareCtx = stw_lookup_context_locked( hShareContext );
>> >> + pipe_mutex_unlock( stw_dev->ctx_mutex );
>> >> + }
>> >> +
>> >> + ctx = CALLOC_STRUCT( stw_context );
>> >> + if (ctx == NULL)
>> >> + goto no_ctx;
>> >> +
>> >> + ctx->hdc = hdc;
>> >> + ctx->iPixelFormat = iPixelFormat;
>> >> +
>> >> + memset(&attribs, 0, sizeof(attribs));
>> >> + attribs.profile = ST_PROFILE_DEFAULT;
>> >> + attribs.visual = pfi->stvis;
>> >> + attribs.major = majorVersion;
>> >> + attribs.minor = minorVersion;
>> >> + if (contextFlags & WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB)
>> >> + attribs.flags |= ST_CONTEXT_FLAG_FORWARD_COMPATIBLE;
>> >> + if (contextFlags & WGL_CONTEXT_DEBUG_BIT_ARB)
>> >> + attribs.flags |= ST_CONTEXT_FLAG_DEBUG;
>> >> + if (profileMask & WGL_CONTEXT_CORE_PROFILE_BIT_ARB)
>> >> + attribs.flags |= ST_CONTEXT_FLAG_CORE_PROFILE;
>> >> + if (profileMask & WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB)
>> >> + attribs.flags |= ST_CONTEXT_FLAG_COMPATIBLE_PROFILE;
>> >> +
>> >> + ctx->st = stw_dev->stapi->create_context(stw_dev->stapi,
>> >> + stw_dev->smapi, &attribs, shareCtx ? shareCtx->st :
>> >> NULL);
>> >> + if (ctx->st == NULL)
>> >> + goto no_st_ctx;
>> >> +
>> >> + ctx->st->st_manager_private = (void *) ctx;
>> >> +
>> >> + pipe_mutex_lock( stw_dev->ctx_mutex );
>> >> + ctx->dhglrc = handle_table_add(stw_dev->ctx_table, ctx);
>> >> + pipe_mutex_unlock( stw_dev->ctx_mutex );
>> >> + if (!ctx->dhglrc)
>> >> + goto no_hglrc;
>> >> +
>> >> + return ctx->dhglrc;
>> >> +
>> >> +no_hglrc:
>> >> + ctx->st->destroy(ctx->st);
>> >> +no_st_ctx:
>> >> + FREE(ctx);
>> >> +no_ctx:
>> >> + return 0;
>> >> +}
>> >>
>> >> DHGLRC
>> >> stw_get_current_context( void )
>> >> diff --git a/src/gallium/state_trackers/wgl/stw_context.h
>> >> b/src/gallium/state_trackers/wgl/stw_context.h
>> >> index 0bbed84..103768b 100644
>> >> --- a/src/gallium/state_trackers/wgl/stw_context.h
>> >> +++ b/src/gallium/state_trackers/wgl/stw_context.h
>> >> @@ -43,6 +43,9 @@ struct stw_context
>> >> struct stw_framebuffer *current_framebuffer;
>> >> };
>> >>
>> >> +DHGLRC APIENTRY stw_create_context_attribs( HDC hdc, INT
>> >> iLayerPlane,
>> >> DHGLRC hShareContext,
>> >> + int majorVersion, int
>> >> minorVersion, int contextFlags, int profileMask );
>> >> +
>> >> DHGLRC stw_get_current_context( void );
>> >>
>> >> HDC stw_get_current_dc( void );
>> >> diff --git a/src/gallium/state_trackers/wgl/stw_ext_context.c
>> >> b/src/gallium/state_trackers/wgl/stw_ext_context.c
>> >> new file mode 100644
>> >> index 0000000..a3470ac
>> >> --- /dev/null
>> >> +++ b/src/gallium/state_trackers/wgl/stw_ext_context.c
>> >> @@ -0,0 +1,119 @@
>> >> +/*
>> >> + * Mesa 3-D graphics library
>> >> + * Version: 7.11
>> >> + *
>> >> + * Copyright (C) 2011 Morgan Armand <morgan.devel at gmail.com>
>> >> + *
>> >> + * Permission is hereby granted, free of charge, to any person
>> >> obtaining a
>> >> + * copy of this software and associated documentation files (the
>> >> "Software"),
>> >> + * to deal in the Software without restriction, including without
>> >> limitation
>> >> + * the rights to use, copy, modify, merge, publish, distribute,
>> >> sublicense,
>> >> + * and/or sell copies of the Software, and to permit persons to
>> >> whom
>> >> the
>> >> + * Software is furnished to do so, subject to the following
>> >> conditions:
>> >> + *
>> >> + * The above copyright notice and this permission notice shall be
>> >> included
>> >> + * in all copies or substantial portions of the Software.
>> >> + *
>> >> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
>> >> KIND,
>> >> EXPRESS
>> >> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> >> MERCHANTABILITY,
>> >> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
>> >> EVENT SHALL
>> >> + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
>> >> LIABILITY,
>> >> WHETHER IN
>> >> + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
>> >> OR
>> >> IN
>> >> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
>> >> THE
>> >> SOFTWARE.
>> >> + */
>> >> +
>> >> +#include <windows.h>
>> >> +
>> >> +#define WGL_WGLEXT_PROTOTYPES
>> >> +
>> >> +#include <GL/gl.h>
>> >> +#include <GL/wglext.h>
>> >> +
>> >> +#include "stw_icd.h"
>> >> +#include "stw_context.h"
>> >> +
>> >> +HGLRC WINAPI
>> >> +wglCreateContextAttribsARB(HDC hDC, HGLRC hShareContext, const
>> >> int
>> >> *attribList)
>> >> +{
>> >> + int majorVersion = 1, minorVersion = 0, layerPlane = 0;
>> >> + int contextFlags = 0x0;
>> >> + int profileMask = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
>> >> + int i;
>> >> + BOOL done = FALSE;
>> >> +
>> >> + /* parse attrib_list */
>> >> + if (attribList) {
>> >> + for (i = 0; !done && attribList[i]; i++) {
>> >> + switch (attribList[i]) {
>> >> + case WGL_CONTEXT_MAJOR_VERSION_ARB:
>> >> + majorVersion = attribList[++i];
>> >> + break;
>> >> + case WGL_CONTEXT_MINOR_VERSION_ARB:
>> >> + minorVersion = attribList[++i];
>> >> + break;
>> >> + case WGL_CONTEXT_LAYER_PLANE_ARB:
>> >> + layerPlane = attribList[++i];
>> >> + break;
>> >> + case WGL_CONTEXT_FLAGS_ARB:
>> >> + contextFlags = attribList[++i];
>> >> + break;
>> >> + case WGL_CONTEXT_PROFILE_MASK_ARB:
>> >> + profileMask = attribList[++i];
>> >> + break;
>> >> + case 0:
>> >> + /* end of list */
>> >> + done = TRUE;
>> >> + break;
>> >> + default:
>> >> + /* bad attribute */
>> >> + SetLastError(ERROR_INVALID_PARAMETER);
>> >> + return NULL;
>> >> + }
>> >> + }
>> >> + }
>> >> +
>> >> + /* check version (generate ERROR_INVALID_VERSION_ARB if bad)
>> >> */
>> >> + switch (majorVersion) {
>> >> + case 1:
>> >> + if (minorVersion < 0 || minorVersion > 5) {
>> >> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> >> + return NULL;
>> >> + }
>> >> + break;
>> >> + case 2:
>> >> + if (minorVersion < 0 || minorVersion > 1) {
>> >> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> >> + return NULL;
>> >> + }
>> >> + break;
>> >> + case 3:
>> >> + if (minorVersion < 0 || minorVersion > 3) {
>> >> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> >> + return NULL;
>> >> + }
>> >> + break;
>> >> + case 4:
>> >> + if (minorVersion < 0 || minorVersion > 2) {
>> >> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> >> + return NULL;
>> >> + }
>> >> + break;
>> >> + default:
>> >> + return NULL;
>> >> + }
>> >> +
>> >> + if ((contextFlags & WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB) &&
>> >> majorVersion < 3) {
>> >> + SetLastError(ERROR_INVALID_VERSION_ARB);
>> >> + return NULL;
>> >> + }
>> >> +
>> >> + /* check profileMask */
>> >> + if (profileMask != WGL_CONTEXT_CORE_PROFILE_BIT_ARB &&
>> >> + profileMask != WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB)
>> >> {
>> >> + SetLastError(ERROR_INVALID_PROFILE_ARB);
>> >> + return NULL;
>> >> + }
>> >> +
>> >> + return (HGLRC) stw_create_context_attribs( hDC, layerPlane,
>> >> (DHGLRC)(UINT_PTR)hShareContext,
>> >> + majorVersion,
>> >> minorVersion, contextFlags, profileMask );
>> >> +}
>> >> diff --git a/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> >> b/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> >> index b0aef94..a1df44c 100644
>> >> --- a/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> >> +++ b/src/gallium/state_trackers/wgl/stw_getprocaddress.c
>> >> @@ -73,6 +73,9 @@ static const struct stw_extension_entry
>> >> stw_extension_entries[] = {
>> >> STW_EXTENSION_ENTRY( wglGetGalliumScreenMESA ),
>> >> STW_EXTENSION_ENTRY( wglCreateGalliumContextMESA ),
>> >>
>> >> + /* WGL_ARB_create_context */
>> >> + STW_EXTENSION_ENTRY( wglCreateContextAttribsARB ),
>> >> +
>> >> { NULL, NULL }
>> >> };
>> >>
>> >> --
>> >> 1.7.7.msysgit.1
>> >>
>> >> On Wed, Oct 19, 2011 at 11:51 PM, Jose Fonseca
>> >> <jfonseca at vmware.com>
>> >> wrote:
>> >> > ----- Original Message -----
>> >> >> ---
>> >> >> src/gallium/state_trackers/wgl/SConscript | 1 +
>> >> >> src/gallium/state_trackers/wgl/stw_context.c | 39
>> >> >> ++++++++++++++++++--
>> >> >> .../state_trackers/wgl/stw_getprocaddress.c | 3 ++
>> >> >> src/gallium/state_trackers/wgl/stw_icd.h | 8 ++++
>> >> >> 4 files changed, 48 insertions(+), 3 deletions(-)
>> >> >>
>> >> >> diff --git a/src/gallium/state_trackers/wgl/SConscript
>> >> >> b/src/gallium/state_trackers/wgl/SConscript
>> >> >> index 7cb953b..1014b45 100644
>> >> >> --- a/src/gallium/state_trackers/wgl/SConscript
>> >> >> +++ b/src/gallium/state_trackers/wgl/SConscript
>> >> >> @@ -22,6 +22,7 @@ if not env['gles']:
>> >> >> sources = [
>> >> >> 'stw_context.c',
>> >> >> 'stw_device.c',
>> >> >> + 'stw_ext_context.c',
>> >> >
>> >> > The file "stw_ext_context.c" was not included in the patch.
>> >> > Please
>> >> > add it and resend.
>> >> >
>> >> >> 'stw_ext_extensionsstring.c',
>> >> >> 'stw_ext_gallium.c',
>> >> >> 'stw_ext_pbuffer.c',
>> >> >> diff --git a/src/gallium/state_trackers/wgl/stw_context.c
>> >> >> b/src/gallium/state_trackers/wgl/stw_context.c
>> >> >> index c2839fe..875d713 100644
>> >> >> --- a/src/gallium/state_trackers/wgl/stw_context.c
>> >> >> +++ b/src/gallium/state_trackers/wgl/stw_context.c
>> >> >> @@ -27,6 +27,11 @@
>> >> >>
>> >> >> #include <windows.h>
>> >> >>
>> >> >> +#define WGL_WGLEXT_PROTOTYPES
>> >> >> +
>> >> >> +#include <GL/gl.h>
>> >> >> +#include <GL/wglext.h>
>> >> >> +
>> >> >> #include "pipe/p_compiler.h"
>> >> >> #include "pipe/p_context.h"
>> >> >> #include "pipe/p_state.h"
>> >> >> @@ -121,11 +126,23 @@ DrvCreateLayerContext(
>> >> >> HDC hdc,
>> >> >> INT iLayerPlane )
>> >> >> {
>> >> >> + return DrvCreateContextAttribs(hdc, iLayerPlane, 0, 1, 0,
>> >> >> 0,
>> >> >> WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB);
>> >> >> +}
>> >> >> +
>> >> >> +DHGLRC APIENTRY
>> >> >> +DrvCreateContextAttribs(
>> >> >> + HDC hdc,
>> >> >> + INT iLayerPlane,
>> >> >> + DHGLRC hShareContext,
>> >> >> + int majorVersion, int minorVersion,
>> >> >> + int contextFlags, int profileMask)
>> >> >> +{
>> >> >
>> >> > The Drv* prefix is for entrypoints that are part of the ICD. But
>> >> > don't think that a "DrvCreateContextAttribs" has been defined by
>> >> > Microsoft as part of the ICD.
>> >> >
>> >> > If so, please use a different funtion name, e.g.,
>> >> > stw_create_context_attribs, and declare in it stw_context.h,
>> >> > instead of stw_icd.h
>> >> >
>> >> >
>> >> > Jose
>> >> >
>> >>
>> >
>>
>
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