diff options
| author | Gert Wollny <[email protected]> | 2018-02-24 11:31:22 +0100 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2018-02-26 10:29:48 +1000 |
| commit | c7cadcbda47537d474eea52b9e77e57ef9287f9b (patch) | |
| tree | 1c04c2bec326e71deea71bc681e57328184ff982 /src/gallium/drivers/r600 | |
| parent | 51562ea7a0678b8067f438f17a3d5fbe5280a997 (diff) | |
r600: Take ALU_EXTENDED into account when evaluating jump offsets
ALU_EXTENDED needs 4 DWORDS instead of the usual 2, hence if the last ALU
clause within a IF-JUMP or ELSE branch is ALU_EXTENDED the target jump
offset needs to be adjusted accordingly.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104654
Cc: <[email protected]>
Signed-off-by: Gert Wollny <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index b49c79c0404..9f6780f219e 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -10409,17 +10409,22 @@ static int tgsi_else(struct r600_shader_ctx *ctx) static int tgsi_endif(struct r600_shader_ctx *ctx) { + int offset = 2; pops(ctx, 1); if (ctx->bc->fc_stack[ctx->bc->fc_sp - 1].type != FC_IF) { R600_ERR("if/endif unbalanced in shader\n"); return -1; } + /* ALU_EXTENDED needs 4 DWords instead of two, adjust jump target offset accordingly */ + if (ctx->bc->cf_last->eg_alu_extended) + offset += 2; + if (ctx->bc->fc_stack[ctx->bc->fc_sp - 1].mid == NULL) { - ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->cf_addr = ctx->bc->cf_last->id + 2; + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->cf_addr = ctx->bc->cf_last->id + offset; ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->pop_count = 1; } else { - ctx->bc->fc_stack[ctx->bc->fc_sp - 1].mid[0]->cf_addr = ctx->bc->cf_last->id + 2; + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].mid[0]->cf_addr = ctx->bc->cf_last->id + offset; } fc_poplevel(ctx); |