[Mesa-dev] [PATCHv2 1/9] dri: add putImageShm and getImageShm to swrastLoader

Boyan Ding boyan.j.ding at gmail.com
Mon Jun 15 07:51:06 PDT 2015



On 06/15/2015 10:09 PM, Boyan Ding wrote:
> On 06/15/2015 09:34 PM, Marc-André Lureau wrote:
>> Add new APIa to put and get an image using shared memory. Instead of
>> only
>> passing the data pointer, 3 arguments are given: the shmid, the data
>> offset and the shmaddr.
>>
>> Bump interface version.
>> ---
>>   include/GL/internal/dri_interface.h | 18 +++++++++++++++++-
>>   1 file changed, 17 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/GL/internal/dri_interface.h
>> b/include/GL/internal/dri_interface.h
>> index c827bb6..93f0d41 100644
>> --- a/include/GL/internal/dri_interface.h
>> +++ b/include/GL/internal/dri_interface.h
>> @@ -502,7 +502,7 @@ struct __DRIdamageExtensionRec {
>>    * SWRast Loader extension.
>>    */
>>   #define __DRI_SWRAST_LOADER "DRI_SWRastLoader"
>> -#define __DRI_SWRAST_LOADER_VERSION 2
>> +#define __DRI_SWRAST_LOADER_VERSION 3
> This breaks egl/x11 swrast because it sets the version of swrastLoader
> in the following way(src/egl/drivers/dri2/platform_x11.c):
>    dri2_dpy->swrast_loader_extension.base.version =
> __DRI_SWRAST_LOADER_VERSION;
> As a quick fix, we can set the version here to 2 and eventually
> implement the same thing as in glx. (If you don't want to touch the
> egl code immediately)
>
> Regards,
> Boyan Ding

Sorry I was in a rush when replying this. After reading the rest of the
patches
I saw you checked if the functions added are really implemented. But I
do think
we should change the version of swrastLoader in egl/x11 to 2.

Regards,
Boyan Ding

>>   struct __DRIswrastLoaderExtensionRec {
>>       __DRIextension base;
>>   @@ -535,6 +535,22 @@ struct __DRIswrastLoaderExtensionRec {
>>       void (*putImage2)(__DRIdrawable *drawable, int op,
>>                         int x, int y, int width, int height, int stride,
>>                         char *data, void *loaderPrivate);
>> +
>> +    /**
>> +     * Put image to drawable
>> +     *
>> +     * \since 3
>> +     */
>> +    void (*putImageShm)(__DRIdrawable *drawable, int op,
>> +                        int x, int y, int width, int height, int
>> stride,
>> +                        int shmid, char *shmaddr, unsigned offset,
>> +                        void *loaderPrivate);
>> +    /**
>> +     * Get image from readable
>> +     */
>> +    void (*getImageShm)(__DRIdrawable *readable,
>> +                        int x, int y, int width, int height,
>> +                        int shmid, void *loaderPrivate);
>>   };
>>     /**
>
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