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authorDave Airlie <[email protected]>2010-08-30 14:41:09 +1000
committerDave Airlie <[email protected]>2010-08-30 15:04:40 +1000
commit4502b17901ad491e0598ee59a12d372c008ae03b (patch)
tree68f9196ccbd8cee575f99ddcf87c54d754d78324 /src/gallium/drivers/r600
parentcb08b9fa84bf432dcca2e685daadd2df651b3025 (diff)
r600g: add KILP support
passes glsl1-discard tests
Diffstat (limited to 'src/gallium/drivers/r600')
-rw-r--r--src/gallium/drivers/r600/r600_shader.c25
-rw-r--r--src/gallium/drivers/r600/r600_shader.h1
-rw-r--r--src/gallium/drivers/r600/r600_state.c2
3 files changed, 23 insertions, 5 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 4ff705622ed..514288bc8cd 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -861,12 +861,20 @@ static int tgsi_kill(struct r600_shader_ctx *ctx)
for (i = 0; i < 4; i++) {
memset(&alu, 0, sizeof(struct r600_bc_alu));
alu.inst = ctx->inst_info->r600_opcode;
+
alu.dst.chan = i;
+
alu.src[0].sel = V_SQ_ALU_SRC_0;
- r = tgsi_src(ctx, &inst->Src[0], &alu.src[1]);
- if (r)
- return r;
- alu.src[1].chan = tgsi_chan(&inst->Src[0], i);
+
+ if (ctx->inst_info->tgsi_opcode == TGSI_OPCODE_KILP) {
+ alu.src[1].sel = V_SQ_ALU_SRC_1;
+ alu.src[1].neg = 1;
+ } else {
+ r = tgsi_src(ctx, &inst->Src[0], &alu.src[1]);
+ if (r)
+ return r;
+ alu.src[1].chan = tgsi_chan(&inst->Src[0], i);
+ }
if (i == 3) {
alu.last = 1;
}
@@ -874,6 +882,13 @@ static int tgsi_kill(struct r600_shader_ctx *ctx)
if (r)
return r;
}
+ r = r600_bc_add_literal(ctx->bc, ctx->value);
+ if (r)
+ return r;
+
+ /* kill must be last in ALU */
+ ctx->bc->force_add_cf = 1;
+ ctx->shader->uses_kill = TRUE;
return 0;
}
@@ -2074,7 +2089,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
{TGSI_OPCODE_COS, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_COS, tgsi_trig},
{TGSI_OPCODE_DDX, 0, SQ_TEX_INST_GET_GRADIENTS_H, tgsi_tex},
{TGSI_OPCODE_DDY, 0, SQ_TEX_INST_GET_GRADIENTS_V, tgsi_tex},
- {TGSI_OPCODE_KILP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported}, /* predicated kill */
+ {TGSI_OPCODE_KILP, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT, tgsi_kill}, /* predicated kill */
{TGSI_OPCODE_PK2H, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_PK2US, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
{TGSI_OPCODE_PK4B, 0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
diff --git a/src/gallium/drivers/r600/r600_shader.h b/src/gallium/drivers/r600/r600_shader.h
index 2ee7780ead0..7c722c07cbe 100644
--- a/src/gallium/drivers/r600/r600_shader.h
+++ b/src/gallium/drivers/r600/r600_shader.h
@@ -42,6 +42,7 @@ struct r600_shader {
struct r600_shader_io input[32];
struct r600_shader_io output[32];
enum radeon_family family;
+ boolean uses_kill;
};
#endif
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index b5e5346163c..441be8fd6df 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -999,6 +999,8 @@ static struct radeon_state *r600_dsa(struct r600_context *rctx)
db_shader_control = 0x210;
rshader = &rctx->ps_shader->shader;
+ if (rshader->uses_kill)
+ db_shader_control |= (1 << 6);
for (i = 0; i < rshader->noutput; i++) {
if (rshader->output[i].name == TGSI_SEMANTIC_POSITION)
db_shader_control |= 1;