freedreno/a6xx: fix transform feedback resuming
Each transform feedback target should have a separate buffer for an offset from which to resume, instead of just having one buffer per binding point. Otherwise, if transform feedback is paused and other tf object is bound - the offset of the previous tf object would be lost. Fixes Piglit tests: arb_transform_feedback2-change-objects-while-paused arb_transform_feedback2-change-objects-while-paused_gles3 ext_transform_feedback-alignment 4 ext_transform_feedback-alignment 8 ext_transform_feedback-alignment 12 ext_transform_feedback-change-size offset-grow ext_transform_feedback-change-size offset-shrink ext_transform_feedback-change-size range-grow ext_transform_feedback-change-size range-shrink ext_transform_feedback-immediate-reuse-uniform-buffer ext_transform_feedback-position * Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8281>
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@ -3097,8 +3097,6 @@ spec/arb_texture_view/rendering-formats/sample gl_rgba16_snorm as gl_rgba16ui: f
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spec/arb_texture_view/rendering-layers-image/layers rendering of image1darray: fail
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spec/arb_texture_view/rendering-layers-image/layers rendering of imagecubearray: fail
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spec/arb_timer_query/timestamp-get: fail
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spec/arb_transform_feedback2/change objects while paused: fail
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spec/arb_transform_feedback2/change objects while paused (gles3): fail
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spec/arb_transform_feedback3/arb_transform_feedback3-draw_using_invalid_stream_index: skip
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spec/arb_transform_feedback3/arb_transform_feedback3-ext_interleaved_two_bufs_gs: skip
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spec/arb_transform_feedback3/arb_transform_feedback3-ext_interleaved_two_bufs_gs_max: skip
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@ -3968,32 +3966,12 @@ spec/ext_texture_srgb/texwrap formats-s3tc bordercolor-swizzled/gl_compressed_sr
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spec/ext_texture_srgb/texwrap formats-s3tc bordercolor-swizzled/gl_compressed_srgb_alpha_s3tc_dxt5_ext, swizzled, border color only: fail
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spec/ext_texture_srgb/texwrap formats-s3tc bordercolor-swizzled/gl_compressed_srgb_s3tc_dxt1_ext, swizzled, border color only: fail
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spec/ext_transform_feedback2/draw-auto: crash
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spec/ext_transform_feedback/alignment 12: fail
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spec/ext_transform_feedback/alignment 4: fail
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spec/ext_transform_feedback/alignment 8: fail
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spec/ext_transform_feedback/change-size offset-grow: fail
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spec/ext_transform_feedback/change-size offset-shrink: fail
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spec/ext_transform_feedback/change-size range-grow: fail
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spec/ext_transform_feedback/change-size range-shrink: fail
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spec/ext_transform_feedback/geometry-shaders-basic: fail
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spec/ext_transform_feedback/immediate-reuse-index-buffer: fail
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spec/ext_transform_feedback/immediate-reuse-uniform-buffer: fail
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spec/ext_transform_feedback/intervening-read prims_generated: fail
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spec/ext_transform_feedback/intervening-read prims_generated use_gs: fail
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spec/ext_transform_feedback/overflow-edge-cases: fail
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spec/ext_transform_feedback/overflow-edge-cases use_gs: fail
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spec/ext_transform_feedback/position-readback-bufferoffset: fail
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spec/ext_transform_feedback/position-readback-bufferoffset-discard: fail
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spec/ext_transform_feedback/position-readback-bufferrange: fail
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spec/ext_transform_feedback/position-readback-bufferrange-discard: fail
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spec/ext_transform_feedback/position-render-bufferoffset: fail
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spec/ext_transform_feedback/position-render-bufferoffset-discard: fail
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spec/ext_transform_feedback/position-render-bufferrange: fail
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spec/ext_transform_feedback/position-render-bufferrange-discard: fail
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spec/ext_transform_feedback/query-primitives_written-bufferoffset: fail
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spec/ext_transform_feedback/query-primitives_written-bufferoffset-discard: fail
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spec/ext_transform_feedback/query-primitives_written-bufferrange: fail
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spec/ext_transform_feedback/query-primitives_written-bufferrange-discard: fail
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spec/ext_transform_feedback/structs struct-array-elem run: fail
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spec/ext_transform_feedback/structs struct-array-elem run interface: fail
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spec/ext_transform_feedback/tessellation triangle_fan flat_first: fail
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@ -732,30 +732,38 @@ fd6_emit_streamout(struct fd_ringbuffer *ring, struct fd6_emit *emit, struct ir3
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emit->streamout_mask = 0;
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for (unsigned i = 0; i < so->num_targets; i++) {
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struct pipe_stream_output_target *target = so->targets[i];
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struct fd_stream_output_target *target = fd_stream_output_target(so->targets[i]);
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if (!target)
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continue;
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OUT_PKT4(ring, REG_A6XX_VPC_SO_BUFFER_BASE_LO(i), 3);
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/* VPC_SO[i].BUFFER_BASE_LO: */
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OUT_RELOC(ring, fd_resource(target->buffer)->bo, target->buffer_offset, 0, 0);
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OUT_RING(ring, target->buffer_size - target->buffer_offset);
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OUT_RELOC(ring, fd_resource(target->base.buffer)->bo, 0, 0, 0);
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OUT_RING(ring, target->base.buffer_size + target->base.buffer_offset);
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struct fd_bo *offset_bo = fd_resource(target->offset_buf)->bo;
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if (so->reset & (1 << i)) {
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unsigned offset = (so->offsets[i] * info->stride[i] * 4);
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assert(so->offsets[i] == 0);
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OUT_PKT7(ring, CP_MEM_WRITE, 3);
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OUT_RELOC(ring, offset_bo, 0, 0, 0);
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OUT_RING(ring, target->base.buffer_offset);
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OUT_PKT4(ring, REG_A6XX_VPC_SO_BUFFER_OFFSET(i), 1);
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OUT_RING(ring, offset);
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OUT_RING(ring, target->base.buffer_offset);
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} else {
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OUT_PKT7(ring, CP_MEM_TO_REG, 3);
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OUT_RING(ring, CP_MEM_TO_REG_0_REG(REG_A6XX_VPC_SO_BUFFER_OFFSET(i)) |
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CP_MEM_TO_REG_0_SHIFT_BY_2 | CP_MEM_TO_REG_0_UNK31 |
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CP_MEM_TO_REG_0_CNT(0));
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OUT_RELOC(ring, control_ptr(fd6_context(ctx), flush_base[i].offset));
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OUT_RELOC(ring, offset_bo, 0, 0, 0);
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}
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// After a draw HW would write the new offset to offset_bo
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OUT_PKT4(ring, REG_A6XX_VPC_SO_FLUSH_BASE_LO(i), 2);
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OUT_RELOC(ring, control_ptr(fd6_context(ctx), flush_base[i]));
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OUT_RELOC(ring, offset_bo, 0, 0, 0);
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so->reset &= ~(1 << i);
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@ -87,6 +87,11 @@ struct fd_vertex_stateobj {
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unsigned num_elements;
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};
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struct fd_stream_output_target {
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struct pipe_stream_output_target base;
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struct pipe_resource *offset_buf;
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};
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struct fd_streamout_stateobj {
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struct pipe_stream_output_target *targets[PIPE_MAX_SO_BUFFERS];
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/* Bitmask of stream that should be reset. */
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@ -485,6 +490,12 @@ fd_context(struct pipe_context *pctx)
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return (struct fd_context *)pctx;
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}
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static inline struct fd_stream_output_target *
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fd_stream_output_target(struct pipe_stream_output_target *target)
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{
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return (struct fd_stream_output_target *)target;
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}
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/* mark all state dirty: */
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static inline void
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fd_context_all_dirty(struct fd_context *ctx)
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@ -481,32 +481,39 @@ fd_create_stream_output_target(struct pipe_context *pctx,
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struct pipe_resource *prsc, unsigned buffer_offset,
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unsigned buffer_size)
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{
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struct pipe_stream_output_target *target;
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struct fd_stream_output_target *target;
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struct fd_resource *rsc = fd_resource(prsc);
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target = CALLOC_STRUCT(pipe_stream_output_target);
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target = CALLOC_STRUCT(fd_stream_output_target);
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if (!target)
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return NULL;
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pipe_reference_init(&target->reference, 1);
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pipe_resource_reference(&target->buffer, prsc);
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pipe_reference_init(&target->base.reference, 1);
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pipe_resource_reference(&target->base.buffer, prsc);
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target->context = pctx;
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target->buffer_offset = buffer_offset;
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target->buffer_size = buffer_size;
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target->base.context = pctx;
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target->base.buffer_offset = buffer_offset;
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target->base.buffer_size = buffer_size;
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target->offset_buf = pipe_buffer_create(pctx->screen,
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PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(uint32_t));
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assert(rsc->base.target == PIPE_BUFFER);
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util_range_add(&rsc->base, &rsc->valid_buffer_range,
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buffer_offset, buffer_offset + buffer_size);
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return target;
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return &target->base;
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}
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static void
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fd_stream_output_target_destroy(struct pipe_context *pctx,
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struct pipe_stream_output_target *target)
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{
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pipe_resource_reference(&target->buffer, NULL);
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struct fd_stream_output_target *cso = fd_stream_output_target(target);
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pipe_resource_reference(&cso->base.buffer, NULL);
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pipe_resource_reference(&cso->offset_buf, NULL);
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FREE(target);
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}
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