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virgl: add support for ARB_multi_draw_indirect

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This will pass the multi draw through to the host if it has
support for it instead of using the st to emulate it

Reviewed-By: Gert Wollny <gert.wollny@collabora.com>
This commit is contained in:
Dave Airlie 2019-02-11 10:51:01 +10:00
parent 316b785c59
commit 05ff2dbf13
3 changed files with 10 additions and 5 deletions
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11
src/gallium/drivers/virgl/virgl_encode.c
View file

@ -469,10 +469,13 @@ int virgl_encoder_draw_vbo(struct virgl_context *ctx,
if (length == VIRGL_DRAW_VBO_SIZE_INDIRECT) {
virgl_encoder_write_res(ctx, virgl_resource(info->indirect->buffer));
virgl_encoder_write_dword(ctx->cbuf, info->indirect->offset);
virgl_encoder_write_dword(ctx->cbuf, 0); /* indirect stride */
virgl_encoder_write_dword(ctx->cbuf, 0); /* indirect draw count */
virgl_encoder_write_dword(ctx->cbuf, 0); /* indirect draw count offset */
virgl_encoder_write_dword(ctx->cbuf, 0); /* indirect draw count handle */
virgl_encoder_write_dword(ctx->cbuf, info->indirect->stride); /* indirect stride */
virgl_encoder_write_dword(ctx->cbuf, info->indirect->draw_count); /* indirect draw count */
virgl_encoder_write_dword(ctx->cbuf, info->indirect->indirect_draw_count_offset); /* indirect draw count offset */
if (info->indirect->indirect_draw_count)
virgl_encoder_write_res(ctx, virgl_resource(info->indirect->indirect_draw_count));
else
virgl_encoder_write_dword(ctx->cbuf, 0); /* indirect draw count handle */
}
return 0;
}

1
src/gallium/drivers/virgl/virgl_hw.h
View file

@ -238,6 +238,7 @@ enum virgl_formats {
#define VIRGL_CAP_FBO_MIXED_COLOR_FORMATS (1 << 18)
#define VIRGL_CAP_FAKE_FP64 (1 << 19)
#define VIRGL_CAP_BIND_COMMAND_ARGS (1 << 20)
#define VIRGL_CAP_MULTI_DRAW_INDIRECT (1 << 21)
#define VIRGL_CAP_TRANSFORM_FEEDBACK3 (1 << 23)
/* virgl bind flags - these are compatible with mesa 10.5 gallium.

3
src/gallium/drivers/virgl/virgl_screen.c
View file

@ -271,11 +271,12 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
/* If the host supports only one sample (e.g., if it is using softpipe),
* fake multisampling to able to advertise higher GL versions. */
return (vscreen->caps.caps.v1.max_samples == 1) ? 1 : 0;
case PIPE_CAP_MULTI_DRAW_INDIRECT:
return !!(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_MULTI_DRAW_INDIRECT);
case PIPE_CAP_TEXTURE_GATHER_SM5:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
case PIPE_CAP_MULTI_DRAW_INDIRECT:
case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
case PIPE_CAP_CLIP_HALFZ:
case PIPE_CAP_VERTEXID_NOBASE: