diff options
| author | Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> | 2019-07-19 13:21:11 -0700 |
|---|---|---|
| committer | Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> | 2019-07-22 08:20:34 -0700 |
| commit | 21510c253ca8f381fb39d365eb0770b47a44add0 (patch) | |
| tree | 1075f3e6b63bb6f005c8fa76fac4e1b6fe020202 /src/gallium | |
| parent | 533d65786f43f23306c9e65d1d7022cf506a143f (diff) | |
panfrost/midgard: Implement register spilling
Now that we run RA in a loop, before each iteration after a failed
allocation we choose a spill node and spill it to Thread Local Storage
using st_int4/ld_int4 instructions (for spills and fills respectively).
This allows us to compile complex shaders that normally would not fit
within the 16 work register limits, although it comes at a fairly steep
performance penalty.
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_context.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c index 26e7fca1d2f..d20f0185a42 100644 --- a/src/gallium/drivers/panfrost/pan_context.c +++ b/src/gallium/drivers/panfrost/pan_context.c @@ -158,6 +158,7 @@ panfrost_emit_mfbd(struct panfrost_context *ctx, unsigned vertex_count) unsigned height = ctx->pipe_framebuffer.height; struct bifrost_framebuffer framebuffer = { + .unk0 = 0x1e5, /* 1e4 if no spill */ .width1 = MALI_POSITIVE(width), .height1 = MALI_POSITIVE(height), .width2 = MALI_POSITIVE(width), @@ -2663,7 +2664,7 @@ panfrost_setup_hardware(struct panfrost_context *ctx) struct pipe_context *gallium = (struct pipe_context *) ctx; struct panfrost_screen *screen = pan_screen(gallium->screen); - panfrost_drm_allocate_slab(screen, &ctx->scratchpad, 64, false, 0, 0, 0); + panfrost_drm_allocate_slab(screen, &ctx->scratchpad, 64*4, false, 0, 0, 0); panfrost_drm_allocate_slab(screen, &ctx->shaders, 4096, true, PAN_ALLOCATE_EXECUTE, 0, 0); panfrost_drm_allocate_slab(screen, &ctx->tiler_heap, 4096, false, PAN_ALLOCATE_INVISIBLE | PAN_ALLOCATE_GROWABLE, 1, 128); panfrost_drm_allocate_slab(screen, &ctx->tiler_polygon_list, 128*128, false, PAN_ALLOCATE_INVISIBLE | PAN_ALLOCATE_GROWABLE, 1, 128); |