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radeonsi: prefetch VBO descriptors after the first VGT shader

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Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák
2017-08-04 17:26:58 +02:00
parent e887c68bd2
commit c441999b7a
1 changed files with 63 additions and 17 deletions
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80
src/gallium/drivers/radeonsi/si_cp_dma.c
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@@ -448,27 +448,73 @@ static void cik_prefetch_shader_async(struct si_context *sctx,
cik_prefetch_TC_L2_async(sctx, bo, 0, bo->width0); cik_prefetch_TC_L2_async(sctx, bo, 0, bo->width0);
} }
static void cik_prefetch_VBO_descriptors(struct si_context *sctx)
{
cik_prefetch_TC_L2_async(sctx, &sctx->vertex_buffers.buffer->b.b,
sctx->vertex_buffers.buffer_offset,
sctx->vertex_elements->desc_list_byte_size);
}
void cik_emit_prefetch_L2(struct si_context *sctx) void cik_emit_prefetch_L2(struct si_context *sctx)
{ {
/* Prefetch shaders and VBO descriptors to TC L2. */ /* Prefetch shaders and VBO descriptors to TC L2. */
if (sctx->prefetch_L2_mask & SI_PREFETCH_LS) if (sctx->b.chip_class >= GFX9) {
cik_prefetch_shader_async(sctx, sctx->queued.named.ls); /* Choose the right spot for the VBO prefetch. */
if (sctx->prefetch_L2_mask & SI_PREFETCH_HS) if (sctx->tes_shader.cso) {
cik_prefetch_shader_async(sctx, sctx->queued.named.hs); if (sctx->prefetch_L2_mask & SI_PREFETCH_HS)
if (sctx->prefetch_L2_mask & SI_PREFETCH_ES) cik_prefetch_shader_async(sctx, sctx->queued.named.hs);
cik_prefetch_shader_async(sctx, sctx->queued.named.es); if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS)
if (sctx->prefetch_L2_mask & SI_PREFETCH_GS) cik_prefetch_VBO_descriptors(sctx);
cik_prefetch_shader_async(sctx, sctx->queued.named.gs); if (sctx->prefetch_L2_mask & SI_PREFETCH_GS)
if (sctx->prefetch_L2_mask & SI_PREFETCH_VS) cik_prefetch_shader_async(sctx, sctx->queued.named.gs);
cik_prefetch_shader_async(sctx, sctx->queued.named.vs); if (sctx->prefetch_L2_mask & SI_PREFETCH_VS)
cik_prefetch_shader_async(sctx, sctx->queued.named.vs);
/* Vertex buffer descriptors are uploaded uncached, so prefetch } else if (sctx->gs_shader.cso) {
* them right after the VS binary. */ if (sctx->prefetch_L2_mask & SI_PREFETCH_GS)
if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS) { cik_prefetch_shader_async(sctx, sctx->queued.named.gs);
cik_prefetch_TC_L2_async(sctx, &sctx->vertex_buffers.buffer->b.b, if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS)
sctx->vertex_buffers.buffer_offset, cik_prefetch_VBO_descriptors(sctx);
sctx->vertex_elements->desc_list_byte_size); if (sctx->prefetch_L2_mask & SI_PREFETCH_VS)
cik_prefetch_shader_async(sctx, sctx->queued.named.vs);
} else {
if (sctx->prefetch_L2_mask & SI_PREFETCH_VS)
cik_prefetch_shader_async(sctx, sctx->queued.named.vs);
if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS)
cik_prefetch_VBO_descriptors(sctx);
}
} else {
/* SI-CI-VI */
/* Choose the right spot for the VBO prefetch. */
if (sctx->tes_shader.cso) {
if (sctx->prefetch_L2_mask & SI_PREFETCH_LS)
cik_prefetch_shader_async(sctx, sctx->queued.named.ls);
if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS)
cik_prefetch_VBO_descriptors(sctx);
if (sctx->prefetch_L2_mask & SI_PREFETCH_HS)
cik_prefetch_shader_async(sctx, sctx->queued.named.hs);
if (sctx->prefetch_L2_mask & SI_PREFETCH_ES)
cik_prefetch_shader_async(sctx, sctx->queued.named.es);
if (sctx->prefetch_L2_mask & SI_PREFETCH_GS)
cik_prefetch_shader_async(sctx, sctx->queued.named.gs);
if (sctx->prefetch_L2_mask & SI_PREFETCH_VS)
cik_prefetch_shader_async(sctx, sctx->queued.named.vs);
} else if (sctx->gs_shader.cso) {
if (sctx->prefetch_L2_mask & SI_PREFETCH_ES)
cik_prefetch_shader_async(sctx, sctx->queued.named.es);
if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS)
cik_prefetch_VBO_descriptors(sctx);
if (sctx->prefetch_L2_mask & SI_PREFETCH_GS)
cik_prefetch_shader_async(sctx, sctx->queued.named.gs);
if (sctx->prefetch_L2_mask & SI_PREFETCH_VS)
cik_prefetch_shader_async(sctx, sctx->queued.named.vs);
} else {
if (sctx->prefetch_L2_mask & SI_PREFETCH_VS)
cik_prefetch_shader_async(sctx, sctx->queued.named.vs);
if (sctx->prefetch_L2_mask & SI_PREFETCH_VBO_DESCRIPTORS)
cik_prefetch_VBO_descriptors(sctx);
}
} }
if (sctx->prefetch_L2_mask & SI_PREFETCH_PS) if (sctx->prefetch_L2_mask & SI_PREFETCH_PS)
cik_prefetch_shader_async(sctx, sctx->queued.named.ps); cik_prefetch_shader_async(sctx, sctx->queued.named.ps);