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authorChristoph Bumiller <christoph.bumiller@speed.at>2014-05-17 01:20:16 +0200
committerMarek Olšák <marek.olsak@amd.com>2014-06-02 12:49:03 +0200
commit6544a4a3425ffab6004918ee1299d4e63ed71755 (patch)
treeccf5bfe46d70b0716b22160b0052d3adf899a542 /src/gallium
parent822ac968024b1f1aacb729e25b811908237e3beb (diff)
r600g: implement TGSI_OPCODE_BREAKC
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/r600/r600_shader.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index a397f0e75e7..5823ba2e857 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 */