[Mesa-dev] [PATCH v2] glx: update to updated version of EXT_create_context_es2_profile

Ilia Mirkin imirkin at alum.mit.edu
Sun Jan 31 13:58:29 PST 2016


ping? I haven't heard anything other than a suggestion that GLES2 and
GLES3 should be merged (which is something that ought to be done
separately from this change)...

On Fri, Jan 22, 2016 at 1:46 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Thu, Jan 21, 2016 at 11:58 AM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
>> The EXT spec has been updated to:
>>  - logically combine the es2_profile and es_profile exts
>>  - allow any legal version to be requested
>>
>> dEQP tests request a specific ES version when using GLX, so this allows
>> dEQP upstream to run against GLX with the appropriate X server patch
>> (which had similar disabling logic).
>>
>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
>> Reviewed-by: Matt Turner <mattst88 at gmail.com> (v1)
>>
>> v1 -> v2:
>>  - distinguish between DRI_API_GLES{,2,3}
>>  - add GLX_EXT_create_context_es_profile client-side support
>> ---
>>  src/glx/dri2_glx.c      | 11 ++++++++---
>>  src/glx/dri3_glx.c      |  7 ++++++-
>>  src/glx/dri_common.c    | 28 ++++++++++++----------------
>>  src/glx/drisw_glx.c     |  4 +++-
>>  src/glx/glxextensions.c |  1 +
>>  src/glx/glxextensions.h |  1 +
>>  6 files changed, 31 insertions(+), 21 deletions(-)
>>
>> diff --git a/src/glx/dri2_glx.c b/src/glx/dri2_glx.c
>> index 651915a..97bf49c 100644
>> --- a/src/glx/dri2_glx.c
>> +++ b/src/glx/dri2_glx.c
>> @@ -1102,9 +1102,14 @@ dri2BindExtensions(struct dri2_screen *psc, struct glx_display * priv,
>>        __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
>>        __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
>>
>> -      if ((mask & (1 << __DRI_API_GLES2)) != 0)
>> -        __glXEnableDirectExtension(&psc->base,
>> -                                   "GLX_EXT_create_context_es2_profile");
>> +      if ((mask & (1 << (__DRI_API_GLES |
>> +                         __DRI_API_GLES2 |
>> +                         __DRI_API_GLES3))) != 0) {
>
> Of course both here and below, this should be
>
> (1 << __DRI_API_GLES ) |
> (1 << __DRI_API_GLES2) |
> (1 << __DRI_API_GLES3)
>
> oops :)
>
>> +         __glXEnableDirectExtension(&psc->base,
>> +                                    "GLX_EXT_create_context_es_profile");
>> +         __glXEnableDirectExtension(&psc->base,
>> +                                    "GLX_EXT_create_context_es2_profile");
>> +      }
>>     }
>>
>>     for (i = 0; extensions[i]; i++) {
>> diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
>> index 8bdbb9c..9952e7e 100644
>> --- a/src/glx/dri3_glx.c
>> +++ b/src/glx/dri3_glx.c
>> @@ -665,9 +665,14 @@ dri3_bind_extensions(struct dri3_screen *psc, struct glx_display * priv,
>>     __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
>>     __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
>>
>> -   if ((mask & (1 << __DRI_API_GLES2)) != 0)
>> +   if ((mask & (1 << (__DRI_API_GLES |
>> +                      __DRI_API_GLES2 |
>> +                      __DRI_API_GLES3))) != 0) {
>> +      __glXEnableDirectExtension(&psc->base,
>> +                                 "GLX_EXT_create_context_es_profile");
>>        __glXEnableDirectExtension(&psc->base,
>>                                   "GLX_EXT_create_context_es2_profile");
>> +   }
>>
>>     for (i = 0; extensions[i]; i++) {
>>        /* when on a different gpu than the server, the server pixmaps
>> diff --git a/src/glx/dri_common.c b/src/glx/dri_common.c
>> index 8a56385..6728d38 100644
>> --- a/src/glx/dri_common.c
>> +++ b/src/glx/dri_common.c
>> @@ -547,9 +547,18 @@ dri2_convert_glx_attribs(unsigned num_attribs, const uint32_t *attribs,
>>        case GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB:
>>          *api = __DRI_API_OPENGL;
>>          break;
>> -      case GLX_CONTEXT_ES2_PROFILE_BIT_EXT:
>> -        *api = __DRI_API_GLES2;
>> -        break;
>> +      case GLX_CONTEXT_ES_PROFILE_BIT_EXT:
>> +         if (*major_ver >= 3)
>> +            *api = __DRI_API_GLES3;
>> +         else if (*major_ver == 2 && *minor_ver == 0)
>> +            *api = __DRI_API_GLES2;
>> +         else if (*major_ver == 1 && *minor_ver < 2)
>> +            *api = __DRI_API_GLES;
>> +         else {
>> +            *error = __DRI_CTX_ERROR_BAD_API;
>> +            return false;
>> +         }
>> +         break;
>>        default:
>>          *error = __DRI_CTX_ERROR_BAD_API;
>>          return false;
>> @@ -580,19 +589,6 @@ dri2_convert_glx_attribs(unsigned num_attribs, const uint32_t *attribs,
>>        return false;
>>     }
>>
>> -   /* The GLX_EXT_create_context_es2_profile spec says:
>> -    *
>> -    *     "... If the version requested is 2.0, and the
>> -    *     GLX_CONTEXT_ES2_PROFILE_BIT_EXT bit is set in the
>> -    *     GLX_CONTEXT_PROFILE_MASK_ARB attribute (see below), then the context
>> -    *     returned will implement OpenGL ES 2.0. This is the only way in which
>> -    *     an implementation may request an OpenGL ES 2.0 context."
>> -    */
>> -   if (*api == __DRI_API_GLES2 && (*major_ver != 2 || *minor_ver != 0)) {
>> -      *error = __DRI_CTX_ERROR_BAD_API;
>> -      return false;
>> -   }
>> -
>>     *error = __DRI_CTX_ERROR_SUCCESS;
>>     return true;
>>  }
>> diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c
>> index 76cc321..241ac7f 100644
>> --- a/src/glx/drisw_glx.c
>> +++ b/src/glx/drisw_glx.c
>> @@ -623,9 +623,11 @@ driswBindExtensions(struct drisw_screen *psc, const __DRIextension **extensions)
>>        __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context");
>>        __glXEnableDirectExtension(&psc->base, "GLX_ARB_create_context_profile");
>>
>> -      /* DRISW version >= 2 implies support for OpenGL ES 2.0.
>> +      /* DRISW version >= 2 implies support for OpenGL ES.
>>         */
>>        __glXEnableDirectExtension(&psc->base,
>> +                                "GLX_EXT_create_context_es_profile");
>> +      __glXEnableDirectExtension(&psc->base,
>>                                  "GLX_EXT_create_context_es2_profile");
>>     }
>>
>> diff --git a/src/glx/glxextensions.c b/src/glx/glxextensions.c
>> index 3b29aef..22b078c 100644
>> --- a/src/glx/glxextensions.c
>> +++ b/src/glx/glxextensions.c
>> @@ -146,6 +146,7 @@ static const struct extension_info known_glx_extensions[] = {
>>     { GLX(EXT_fbconfig_packed_float),   VER(0,0), Y, Y, N, N },
>>     { GLX(EXT_framebuffer_sRGB),        VER(0,0), Y, Y, N, N },
>>     { GLX(EXT_create_context_es2_profile), VER(0,0), Y, N, N, N },
>> +   { GLX(EXT_create_context_es_profile), VER(0,0), Y, N, N, N },
>>     { GLX(MESA_copy_sub_buffer),        VER(0,0), Y, N, N, N },
>>     { GLX(MESA_multithread_makecurrent),VER(0,0), Y, N, Y, N },
>>     { GLX(MESA_query_renderer),         VER(0,0), Y, N, N, Y },
>> diff --git a/src/glx/glxextensions.h b/src/glx/glxextensions.h
>> index 3a9bc82..906b3fc 100644
>> --- a/src/glx/glxextensions.h
>> +++ b/src/glx/glxextensions.h
>> @@ -45,6 +45,7 @@ enum
>>     EXT_import_context_bit,
>>     EXT_framebuffer_sRGB_bit,
>>     EXT_fbconfig_packed_float_bit,
>> +   EXT_create_context_es_profile_bit,
>>     EXT_create_context_es2_profile_bit,
>>     MESA_copy_sub_buffer_bit,
>>     MESA_depth_float_bit,
>> --
>> 2.4.10
>>


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