[virglrenderer-devel] [PATCH] add support for shader clock.

Erik Faye-Lund erik.faye-lund at collabora.com
Mon Aug 6 20:09:27 UTC 2018


Sure:

Reviewed-by: Erik Faye-Lund <erik.faye-lund at collabora.com>


On 06. aug. 2018 22:05, Dave Airlie wrote:
> ping? anyone want to review, it's pretty trivial.
>
> Dave.
>
> On 31 July 2018 at 08:58, Dave Airlie <airlied at gmail.com> wrote:
>> From: Dave Airlie <airlied at redhat.com>
>>
>> This was pretty trivial.
>> ---
>>   src/gallium/auxiliary/tgsi/tgsi_info.c     | 4 +++-
>>   src/gallium/include/pipe/p_shader_tokens.h | 3 ++-
>>   src/virgl_hw.h                             | 1 +
>>   src/vrend_renderer.c                       | 6 ++++++
>>   src/vrend_shader.c                         | 7 +++++++
>>   5 files changed, 19 insertions(+), 2 deletions(-)
>>
>> diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c
>> index 149db9e..eb85b53 100644
>> --- a/src/gallium/auxiliary/tgsi/tgsi_info.c
>> +++ b/src/gallium/auxiliary/tgsi/tgsi_info.c
>> @@ -262,7 +262,8 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] =
>>      { 1, 1, 0, 0, 0, 0, COMP, "DFLR", TGSI_OPCODE_DFLR },
>>      { 1, 1, 0, 0, 0, 0, COMP, "DROUND", TGSI_OPCODE_DROUND },
>>      { 1, 1, 0, 0, 0, 0, COMP, "DSSG", TGSI_OPCODE_DSSG },
>> -   { 1, 2, 0, 0, 0, 0, COMP, "DDIV", TGSI_OPCODE_DDIV }
>> +   { 1, 2, 0, 0, 0, 0, COMP, "DDIV", TGSI_OPCODE_DDIV },
>> +   { 1, 0, 0, 0, 0, 0, OTHR, "CLOCK", TGSI_OPCODE_CLOCK }
>>   };
>>
>>   const struct tgsi_opcode_info *
>> @@ -354,6 +355,7 @@ tgsi_opcode_infer_type( uint opcode )
>>      case TGSI_OPCODE_LSB:
>>      case TGSI_OPCODE_UMSB:
>>      case TGSI_OPCODE_D2U:
>> +   case TGSI_OPCODE_CLOCK:
>>         return TGSI_TYPE_UNSIGNED;
>>      case TGSI_OPCODE_ARL:
>>      case TGSI_OPCODE_ARR:
>> diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
>> index ff723e0..1925f8e 100644
>> --- a/src/gallium/include/pipe/p_shader_tokens.h
>> +++ b/src/gallium/include/pipe/p_shader_tokens.h
>> @@ -569,7 +569,8 @@ struct tgsi_property_data {
>>   #define TGSI_OPCODE_DROUND              221 /* nvc0 */
>>   #define TGSI_OPCODE_DSSG                222
>>   #define TGSI_OPCODE_DDIV                223
>> -#define TGSI_OPCODE_LAST                224
>> +#define TGSI_OPCODE_CLOCK               224
>> +#define TGSI_OPCODE_LAST                225
>>
>>   /**
>>    * Opcode is the operation code to execute. A given operation defines the
>> diff --git a/src/virgl_hw.h b/src/virgl_hw.h
>> index 739500f..890fada 100644
>> --- a/src/virgl_hw.h
>> +++ b/src/virgl_hw.h
>> @@ -226,6 +226,7 @@ enum virgl_formats {
>>   #define VIRGL_CAP_MEMORY_BARRIER       (1 << 6)
>>   #define VIRGL_CAP_COMPUTE_SHADER       (1 << 7)
>>   #define VIRGL_CAP_FB_NO_ATTACH         (1 << 8)
>> +#define VIRGL_CAP_SHADER_CLOCK         (1 << 9)
>>
>>   /* virgl bind flags - these are compatible with mesa 10.5 gallium.
>>    * but are fixed, no other should be passed to virgl either.
>> diff --git a/src/vrend_renderer.c b/src/vrend_renderer.c
>> index 0cd736f..68c21b3 100644
>> --- a/src/vrend_renderer.c
>> +++ b/src/vrend_renderer.c
>> @@ -120,6 +120,7 @@ enum features_id
>>      feat_sample_mask,
>>      feat_sample_shading,
>>      feat_samplers,
>> +   feat_shader_clock,
>>      feat_ssbo,
>>      feat_ssbo_barrier,
>>      feat_stencil_texturing,
>> @@ -178,6 +179,7 @@ static const  struct {
>>      [feat_sample_mask] = { 32, 31, { "GL_ARB_texture_multisample" } },
>>      [feat_sample_shading] = { 40, UNAVAIL, { "GL_ARB_sample_shading" } },
>>      [feat_samplers] = { 33, UNAVAIL, { "GL_ARB_sampler_objects" } },
>> +   [feat_shader_clock] = { UNAVAIL, UNAVAIL, { "GL_ARB_shader_clock" } },
>>      [feat_ssbo] = { 43, 31, { "GL_ARB_shader_storage_buffer_object" } },
>>      [feat_ssbo_barrier] = { 43, 31, {} },
>>      [feat_stencil_texturing] = { 43, UNAVAIL, { "GL_ARB_stencil_texturing" } },
>> @@ -8217,6 +8219,10 @@ void vrend_renderer_fill_caps(uint32_t set, UNUSED uint32_t version,
>>
>>      if (has_feature(feat_copy_image))
>>         caps->v2.capability_bits |= VIRGL_CAP_COPY_IMAGE;
>> +
>> +   if (has_feature(feat_shader_clock))
>> +      caps->v2.capability_bits |= VIRGL_CAP_SHADER_CLOCK;
>> +
>>   }
>>
>>   GLint64 vrend_renderer_get_timestamp(void)
>> diff --git a/src/vrend_shader.c b/src/vrend_shader.c
>> index fb323cf..0b877ab 100644
>> --- a/src/vrend_shader.c
>> +++ b/src/vrend_shader.c
>> @@ -60,6 +60,7 @@ extern int vrend_dump_shaders;
>>   #define SHADER_REQ_ES31_COMPAT        (1 << 16)
>>   #define SHADER_REQ_IMAGE_SIZE         (1 << 17)
>>   #define SHADER_REQ_TXQS               (1 << 18)
>> +#define SHADER_REQ_SHADER_CLOCK       (1 << 19)
>>
>>   struct vrend_shader_io {
>>      unsigned                name;
>> @@ -235,6 +236,7 @@ static const struct vrend_shader_table shader_req_table[] = {
>>       { SHADER_REQ_ES31_COMPAT, "GL_ARB_ES3_1_compatibility" },
>>       { SHADER_REQ_IMAGE_SIZE, "GL_ARB_shader_image_size" },
>>       { SHADER_REQ_TXQS, "GL_ARB_shader_texture_image_samples" },
>> +    { SHADER_REQ_SHADER_CLOCK, "GL_ARB_shader_clock" },
>>   };
>>
>>   enum vrend_type_qualifier {
>> @@ -3885,6 +3887,11 @@ iter_instruction(struct tgsi_iterate_context *iter,
>>         if (ret)
>>            return FALSE;
>>         break;
>> +   case TGSI_OPCODE_CLOCK:
>> +      ctx->shader_req_bits |= SHADER_REQ_SHADER_CLOCK;
>> +      snprintf(buf, 255, "%s = uintBitsToFloat(clock2x32ARB());\n", dsts[0]);
>> +      EMIT_BUF_WITH_RET(ctx, buf);
>> +      break;
>>      default:
>>         fprintf(stderr,"failed to convert opcode %d\n", inst->Instruction.Opcode);
>>         break;
>> --
>> 2.14.3
>>
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>> virglrenderer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/virglrenderer-devel
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