Added few more stubs so that control reaches to DestroyDevice().
[mesa.git] / src / freedreno / ir3 / ir3_nir_lower_io_offsets.c
index 5c64a864f290ec710c7d4b6619634cb36b0e53b6..110197d93b9bcc0a95d82969cccc2be3ce206281 100644 (file)
@@ -112,8 +112,6 @@ check_and_propagate_bit_shift32(nir_builder *b, nir_alu_instr *alu_instr,
        if (new_shift < -31 || new_shift > 31)
                return NULL;
 
-       b->cursor = nir_before_instr(&alu_instr->instr);
-
        /* Add or substract shift depending on the final direction (SHR vs. SHL). */
        if (shift * direction < 0)
                shift_ssa = nir_isub(b, shift_ssa, nir_imm_int(b, abs(shift)));
@@ -134,21 +132,27 @@ ir3_nir_try_propagate_bit_shift(nir_builder *b, nir_ssa_def *offset, int32_t shi
        nir_ssa_def *shift_ssa;
        nir_ssa_def *new_offset = NULL;
 
+       /* the first src could be something like ssa_18.x, but we only want
+        * the single component.  Otherwise the ishl/ishr/ushr could turn
+        * into a vec4 operation:
+        */
+       nir_ssa_def *src0 = nir_mov_alu(b, alu->src[0], 1);
+
        switch (alu->op) {
        case nir_op_ishl:
                shift_ssa = check_and_propagate_bit_shift32(b, alu, 1, shift);
                if (shift_ssa)
-                       new_offset = nir_ishl(b, alu->src[0].src.ssa, shift_ssa);
+                       new_offset = nir_ishl(b, src0, shift_ssa);
                break;
        case nir_op_ishr:
                shift_ssa = check_and_propagate_bit_shift32(b, alu, -1, shift);
                if (shift_ssa)
-                       new_offset = nir_ishr(b, alu->src[0].src.ssa, shift_ssa);
+                       new_offset = nir_ishr(b, src0, shift_ssa);
                break;
        case nir_op_ushr:
                shift_ssa = check_and_propagate_bit_shift32(b, alu, -1, shift);
                if (shift_ssa)
-                       new_offset = nir_ushr(b, alu->src[0].src.ssa, shift_ssa);
+                       new_offset = nir_ushr(b, src0, shift_ssa);
                break;
        default:
                return NULL;
@@ -162,15 +166,23 @@ lower_offset_for_ssbo(nir_intrinsic_instr *intrinsic, nir_builder *b,
                                          unsigned ir3_ssbo_opcode, uint8_t offset_src_idx)
 {
        unsigned num_srcs = nir_intrinsic_infos[intrinsic->intrinsic].num_srcs;
+       int shift = 2;
 
        bool has_dest = nir_intrinsic_infos[intrinsic->intrinsic].has_dest;
        nir_ssa_def *new_dest = NULL;
 
+       /* for 16-bit ssbo access, offset is in 16-bit words instead of dwords */
+       if ((has_dest && intrinsic->dest.ssa.bit_size == 16) ||
+               (!has_dest && intrinsic->src[0].ssa->bit_size == 16))
+               shift = 1;
+
        /* Here we create a new intrinsic and copy over all contents from the old one. */
 
        nir_intrinsic_instr *new_intrinsic;
        nir_src *target_src;
 
+       b->cursor = nir_before_instr(&intrinsic->instr);
+
        /* 'offset_src_idx' holds the index of the source that represent the offset. */
        new_intrinsic =
                nir_intrinsic_instr_create(b->shader, ir3_ssbo_opcode);
@@ -186,7 +198,7 @@ lower_offset_for_ssbo(nir_intrinsic_instr *intrinsic, nir_builder *b,
         * Here we use the convention that shifting right is negative while shifting
         * left is positive. So 'x / 4' ~ 'x >> 2' or 'x << -2'.
         */
-       nir_ssa_def *new_offset = ir3_nir_try_propagate_bit_shift(b, offset, -2);
+       nir_ssa_def *new_offset = ir3_nir_try_propagate_bit_shift(b, offset, -shift);
 
        /* The new source that will hold the dword-offset is always the last
         * one for every intrinsic.
@@ -205,20 +217,17 @@ lower_offset_for_ssbo(nir_intrinsic_instr *intrinsic, nir_builder *b,
        for (unsigned i = 0; i < num_srcs; i++)
                new_intrinsic->src[i] = nir_src_for_ssa(intrinsic->src[i].ssa);
 
-       for (unsigned i = 0; i < NIR_INTRINSIC_MAX_CONST_INDEX; i++)
-               new_intrinsic->const_index[i] = intrinsic->const_index[i];
+       nir_intrinsic_copy_const_indices(new_intrinsic, intrinsic);
 
        new_intrinsic->num_components = intrinsic->num_components;
 
-       b->cursor = nir_before_instr(&intrinsic->instr);
-
        /* If we managed to propagate the division by 4, just use the new offset
         * register and don't emit the SHR.
         */
        if (new_offset)
                offset = new_offset;
        else
-               offset = nir_ushr(b, offset, nir_imm_int(b, 2));
+               offset = nir_ushr(b, offset, nir_imm_int(b, shift));
 
        /* Insert the new intrinsic right before the old one. */
        nir_builder_instr_insert(b, &new_intrinsic->instr);
@@ -245,11 +254,11 @@ lower_offset_for_ssbo(nir_intrinsic_instr *intrinsic, nir_builder *b,
 }
 
 static bool
-lower_io_offsets_block(nir_block *block, nir_builder *b, void *mem_ctx)
+lower_io_offsets_block(nir_block *block, nir_builder *b, void *mem_ctx, int gpu_id)
 {
        bool progress = false;
 
-       nir_foreach_instr_safe(instr, block) {
+       nir_foreach_instr_safe (instr, block) {
                if (instr->type != nir_instr_type_intrinsic)
                        continue;
 
@@ -270,15 +279,15 @@ lower_io_offsets_block(nir_block *block, nir_builder *b, void *mem_ctx)
 }
 
 static bool
-lower_io_offsets_func(nir_function_impl *impl)
+lower_io_offsets_func(nir_function_impl *impl, int gpu_id)
 {
        void *mem_ctx = ralloc_parent(impl);
        nir_builder b;
        nir_builder_init(&b, impl);
 
        bool progress = false;
-       nir_foreach_block_safe(block, impl) {
-               progress |= lower_io_offsets_block(block, &b, mem_ctx);
+       nir_foreach_block_safe (block, impl) {
+               progress |= lower_io_offsets_block(block, &b, mem_ctx, gpu_id);
        }
 
        if (progress) {
@@ -290,13 +299,13 @@ lower_io_offsets_func(nir_function_impl *impl)
 }
 
 bool
-ir3_nir_lower_io_offsets(nir_shader *shader)
+ir3_nir_lower_io_offsets(nir_shader *shader, int gpu_id)
 {
        bool progress = false;
 
-       nir_foreach_function(function, shader) {
+       nir_foreach_function (function, shader) {
                if (function->impl)
-                       progress |= lower_io_offsets_func(function->impl);
+                       progress |= lower_io_offsets_func(function->impl, gpu_id);
        }
 
        return progress;