freedreno: rework blit API
First step to unify the way fd5 and fd6 blitter works. Currently a6xx bypasses the blit API in order to also accelerate resource_copy_region() But this approach can lead to infinite recursion: #0 fd_alloc_staging (ctx=0x5555936480, rsc=0x7fac485f90, level=0, box=0x7fbab29220) at ../src/gallium/drivers/freedreno/freedreno_resource.c:291 #1 0x0000007fbdebed04 in fd_resource_transfer_map (pctx=0x5555936480, prsc=0x7fac485f90, level=0, usage=258, box=0x7fbab29220, pptrans=0x7fbab29240) at ../src/gallium/drivers/freedreno/freedreno_resource.c:479 #2 0x0000007fbe5c5068 in u_transfer_helper_transfer_map (pctx=0x5555936480, prsc=0x7fac485f90, level=0, usage=258, box=0x7fbab29220, pptrans=0x7fbab29240) at ../src/gallium/auxiliary/util/u_transfer_helper.c:243 #3 0x0000007fbde2dcb8 in util_resource_copy_region (pipe=0x5555936480, dst=0x7fac485f90, dst_level=0, dst_x=0, dst_y=0, dst_z=0, src=0x7fac47c780, src_level=0, src_box_in=0x7fbab2945c) at ../src/gallium/auxiliary/util/u_surface.c:350 #4 0x0000007fbdf2282c in fd_resource_copy_region (pctx=0x5555936480, dst=0x7fac485f90, dst_level=0, dstx=0, dsty=0, dstz=0, src=0x7fac47c780, src_level=0, src_box=0x7fbab2945c) at ../src/gallium/drivers/freedreno/freedreno_blitter.c:173 #5 0x0000007fbdf085d4 in fd6_resource_copy_region (pctx=0x5555936480, dst=0x7fac485f90, dst_level=0, dstx=0, dsty=0, dstz=0, src=0x7fac47c780, src_level=0, src_box=0x7fbab2945c) at ../src/gallium/drivers/freedreno/a6xx/fd6_blitter.c:587 #6 0x0000007fbde2f3d0 in util_try_blit_via_copy_region (ctx=0x5555936480, blit=0x7fbab29430) at ../src/gallium/auxiliary/util/u_surface.c:864 #7 0x0000007fbdec02c4 in fd_blit (pctx=0x5555936480, blit_info=0x7fbab29588) at ../src/gallium/drivers/freedreno/freedreno_resource.c:993 #8 0x0000007fbdf08408 in fd6_blit (pctx=0x5555936480, info=0x7fbab29588) at ../src/gallium/drivers/freedreno/a6xx/fd6_blitter.c:546 #9 0x0000007fbdebdc74 in do_blit (ctx=0x5555936480, blit=0x7fbab29588, fallback=false) at ../src/gallium/drivers/freedreno/freedreno_resource.c:129 #10 0x0000007fbdebe58c in fd_blit_from_staging (ctx=0x5555936480, trans=0x7fac47b7e8) at ../src/gallium/drivers/freedreno/freedreno_resource.c:326 #11 0x0000007fbdebea38 in fd_resource_transfer_unmap (pctx=0x5555936480, ptrans=0x7fac47b7e8) at ../src/gallium/drivers/freedreno/freedreno_resource.c:416 #12 0x0000007fbe5c5c68 in u_transfer_helper_transfer_unmap (pctx=0x5555936480, ptrans=0x7fac47b7e8) at ../src/gallium/auxiliary/util/u_transfer_helper.c:516 #13 0x0000007fbde2de24 in util_resource_copy_region (pipe=0x5555936480, dst=0x7fac485f90, dst_level=0, dst_x=0, dst_y=0, dst_z=0, src=0x7fac47b8e0, src_level=0, src_box_in=0x7fbab2997c) at ../src/gallium/auxiliary/util/u_surface.c:376 #14 0x0000007fbdf2282c in fd_resource_copy_region (pctx=0x5555936480, dst=0x7fac485f90, dst_level=0, dstx=0, dsty=0, dstz=0, src=0x7fac47b8e0, src_level=0, src_box=0x7fbab2997c) at ../src/gallium/drivers/freedreno/freedreno_blitter.c:173 #15 0x0000007fbdf085d4 in fd6_resource_copy_region (pctx=0x5555936480, dst=0x7fac485f90, dst_level=0, dstx=0, dsty=0, dstz=0, src=0x7fac47b8e0, src_level=0, src_box=0x7fbab2997c) at ../src/gallium/drivers/freedreno/a6xx/fd6_blitter.c:587 ... Instead rework the API to push the fallback back to core code, so that we can rework resource_copy_region() to have it's own fallback path, and then finally convert fd6 over to work in the same way. This also makes ctx->blit() optional, and cleans up some unnecessary callers. Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
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f1c88336e6
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@ -449,14 +449,13 @@ emit_blit(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
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}
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}
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void
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bool
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fd5_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
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{
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struct fd_batch *batch;
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if (!can_do_blit(info)) {
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fd_blitter_blit(ctx, info);
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return;
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return false;
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}
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batch = fd_bc_alloc_batch(&ctx->screen->batch_cache, ctx, true);
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@ -482,6 +481,8 @@ fd5_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
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batch->needs_flush = true;
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fd_batch_flush(batch, false, false);
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return true;
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}
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unsigned
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@ -31,7 +31,7 @@
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#include "freedreno_context.h"
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void fd5_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info);
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bool fd5_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info);
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unsigned fd5_tile_mode(const struct pipe_resource *tmpl);
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#endif /* FD5_BLIT_H_ */
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@ -562,9 +562,7 @@ fd6_blit(struct pipe_context *pctx, const struct pipe_blit_info *info)
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struct fd_context *ctx = fd_context(pctx);
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if (!can_do_blit(info)) {
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fd_blitter_pipe_begin(ctx, info->render_condition_enable, false, FD_STAGE_BLIT);
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fd_blitter_blit(ctx, info);
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fd_blitter_pipe_end(ctx);
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return;
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}
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@ -82,7 +82,7 @@ default_src_texture(struct pipe_sampler_view *src_templ,
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src_templ->swizzle_a = PIPE_SWIZZLE_W;
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}
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void
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bool
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fd_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
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{
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struct pipe_resource *dst = info->dst.resource;
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@ -90,6 +90,16 @@ fd_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
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struct pipe_context *pipe = &ctx->base;
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struct pipe_surface *dst_view, dst_templ;
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struct pipe_sampler_view src_templ, *src_view;
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bool discard = false;
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if (!info->scissor_enable && !info->alpha_blend) {
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discard = util_texrange_covers_whole_level(info->dst.resource,
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info->dst.level, info->dst.box.x, info->dst.box.y,
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info->dst.box.z, info->dst.box.width,
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info->dst.box.height, info->dst.box.depth);
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}
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fd_blitter_pipe_begin(ctx, info->render_condition_enable, discard, FD_STAGE_BLIT);
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/* Initialize the surface. */
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default_dst_texture(&dst_templ, dst, info->dst.level,
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@ -111,6 +121,11 @@ fd_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info)
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pipe_surface_reference(&dst_view, NULL);
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pipe_sampler_view_reference(&src_view, NULL);
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fd_blitter_pipe_end(ctx);
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/* The fallback blitter must never fail: */
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return true;
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}
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/**
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@ -31,7 +31,7 @@
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#include "freedreno_context.h"
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void fd_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info);
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bool fd_blitter_blit(struct fd_context *ctx, const struct pipe_blit_info *info);
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void fd_resource_copy_region(struct pipe_context *pctx,
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struct pipe_resource *dst,
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@ -333,9 +333,6 @@ fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen,
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slab_create_child(&ctx->transfer_pool, &screen->transfer_pool);
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if (!ctx->blit)
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ctx->blit = fd_blitter_blit;
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fd_draw_init(pctx);
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fd_resource_context_init(pctx);
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fd_query_context_init(pctx);
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@ -343,7 +343,7 @@ struct fd_context {
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void (*query_set_stage)(struct fd_batch *batch, enum fd_render_stage stage);
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/* blitter: */
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void (*blit)(struct fd_context *ctx, const struct pipe_blit_info *info);
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bool (*blit)(struct fd_context *ctx, const struct pipe_blit_info *info);
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/* simple gpu "memcpy": */
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void (*mem_to_mem)(struct fd_ringbuffer *ring, struct pipe_resource *dst,
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@ -122,15 +122,15 @@ realloc_bo(struct fd_resource *rsc, uint32_t size)
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static void
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do_blit(struct fd_context *ctx, const struct pipe_blit_info *blit, bool fallback)
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{
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struct pipe_context *pctx = &ctx->base;
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/* TODO size threshold too?? */
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if (!fallback) {
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/* do blit on gpu: */
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fd_blitter_pipe_begin(ctx, false, true, FD_STAGE_BLIT);
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ctx->blit(ctx, blit);
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fd_blitter_pipe_end(ctx);
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pctx->blit(pctx, blit);
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} else {
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/* do blit on cpu: */
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util_resource_copy_region(&ctx->base,
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util_resource_copy_region(pctx,
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blit->dst.resource, blit->dst.level, blit->dst.box.x,
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blit->dst.box.y, blit->dst.box.z,
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blit->src.resource, blit->src.level, &blit->src.box);
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@ -975,18 +975,10 @@ fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
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{
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struct fd_context *ctx = fd_context(pctx);
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struct pipe_blit_info info = *blit_info;
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bool discard = false;
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if (info.render_condition_enable && !fd_render_condition_check(pctx))
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return;
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if (!info.scissor_enable && !info.alpha_blend) {
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discard = util_texrange_covers_whole_level(info.dst.resource,
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info.dst.level, info.dst.box.x, info.dst.box.y,
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info.dst.box.z, info.dst.box.width,
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info.dst.box.height, info.dst.box.depth);
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}
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if (util_try_blit_via_copy_region(pctx, &info)) {
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return; /* done */
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}
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@ -1003,9 +995,8 @@ fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
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return;
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}
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fd_blitter_pipe_begin(ctx, info.render_condition_enable, discard, FD_STAGE_BLIT);
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ctx->blit(ctx, &info);
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fd_blitter_pipe_end(ctx);
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if (!(ctx->blit && ctx->blit(ctx, &info)))
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fd_blitter_blit(ctx, &info);
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}
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void
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