From: Christoph Bumiller <christoph.bumil...@speed.at>
---
src/gallium/drivers/r600/r600_shader.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index a397f0e..5823ba2 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -6265,6 +6265,29 @@ static int tgsi_endloop(struct r600_shader_ctx *ctx)
return 0;
}
+static int tgsi_loop_breakc(struct r600_shader_ctx *ctx)
+{
+ int r;
+ unsigned int fscp;
+
+ for (fscp = ctx->bc->fc_sp; fscp > 0; fscp--)
+ {
+ if (FC_LOOP == ctx->bc->fc_stack[fscp].type)
+ break;
+ }
+ if (fscp == 0) {
+ R600_ERR("BREAKC not inside loop/endloop pair\n");
+ return -EINVAL;
+ }
+
+ r = emit_logic_pred(ctx, ALU_OP2_PRED_SETE_INT, CF_OP_ALU_BREAK);
+ if (r)
+ return r;
+ fc_set_mid(ctx, fscp);
+
+ return 0;
+}
+
static int tgsi_loop_brk_cont(struct r600_shader_ctx *ctx)
{
unsigned int fscp;
@@ -6496,7 +6519,7 @@ static struct r600_shader_tgsi_instruction
r600_shader_tgsi_instruction[] = {
{TGSI_OPCODE_CALLNZ, 0, ALU_OP0_NOP, tgsi_unsupported},
/* gap */
{114, 0, ALU_OP0_NOP, tgsi_unsupported},
- {TGSI_OPCODE_BREAKC, 0, ALU_OP0_NOP, tgsi_unsupported},
+ {TGSI_OPCODE_BREAKC, 0, ALU_OP0_NOP, tgsi_loop_breakc},
{TGSI_OPCODE_KILL_IF, 0, ALU_OP2_KILLGT, tgsi_kill}, /* conditional
kill */
{TGSI_OPCODE_END, 0, ALU_OP0_NOP, tgsi_end}, /* aka HALT */
/* gap */
--
1.9.2
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