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authorMarek Olšák <[email protected]>2012-03-07 17:15:23 +0100
committerMarek Olšák <[email protected]>2012-03-08 11:23:24 +0100
commitf6546535c9c8ce001e081487b8cd30b6703c0f4d (patch)
tree1ef2bd6ff2ac77a9902e4120bfc6e519b2769659 /src/gallium/drivers/r600
parentc7eaf274a9b7e3e5f4b060be2320eb605464ba5c (diff)
r600g: use SX_MISC to implement rasterizer discard
Yeah I am reworking it again. This is way simpler than the other methods.
Diffstat (limited to 'src/gallium/drivers/r600')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c1
-rw-r--r--src/gallium/drivers/r600/evergreend.h3
-rw-r--r--src/gallium/drivers/r600/r600_hw_context.c6
-rw-r--r--src/gallium/drivers/r600/r600_state.c7
4 files changed, 13 insertions, 4 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index d4f908e3071..04844e82395 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -903,6 +903,7 @@ static void *evergreen_create_rs_state(struct pipe_context *ctx,
S_028814_POLYMODE_FRONT_PTYPE(r600_translate_fill(state->fill_front)) |
S_028814_POLYMODE_BACK_PTYPE(r600_translate_fill(state->fill_back)),
NULL, 0);
+ r600_pipe_state_add_reg(rstate, R_028350_SX_MISC, S_028350_MULTIPASS(state->rasterizer_discard), NULL, 0);
return rstate;
}
diff --git a/src/gallium/drivers/r600/evergreend.h b/src/gallium/drivers/r600/evergreend.h
index fc403f33d75..4009e91d4fc 100644
--- a/src/gallium/drivers/r600/evergreend.h
+++ b/src/gallium/drivers/r600/evergreend.h
@@ -1590,6 +1590,9 @@
#define R_028238_CB_TARGET_MASK 0x00028238
#define R_02823C_CB_SHADER_MASK 0x0002823C
#define R_028350_SX_MISC 0x00028350
+#define S_028350_MULTIPASS(x) (((x) & 0x1) << 0)
+#define G_028350_MULTIPASS(x) (((x) >> 0) & 0x1)
+#define C_028350_MULTIPASS 0xFFFFFFFE
#define R_028354_SX_SURFACE_SYNC 0x00028354
#define S_028354_SURFACE_SYNC_MASK(x) (((x) & 0x1FF) << 0)
#define R_028380_SQ_VTX_SEMANTIC_0 0x00028380
diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index 285ecde5dd6..1d272e93e9c 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -423,6 +423,7 @@ static const struct r600_reg r600_context_reg_list[] = {
{R_028E74_PA_CL_UCP5_Y, 0, 0},
{R_028E78_PA_CL_UCP5_Z, 0, 0},
{R_028E7C_PA_CL_UCP5_W, 0, 0},
+ {R_028350_SX_MISC, 0, 0},
{R_028380_SQ_VTX_SEMANTIC_0, 0, 0},
{R_028384_SQ_VTX_SEMANTIC_1, 0, 0},
{R_028388_SQ_VTX_SEMANTIC_2, 0, 0},
@@ -1237,6 +1238,11 @@ void r600_context_flush(struct r600_context *ctx, unsigned flags)
cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH) | EVENT_INDEX(4);
+ /* old kernels and userspace don't set SX_MISC, so we must reset it to 0 here */
+ if (ctx->chip_class <= R700) {
+ r600_write_context_reg(cs, R_028350_SX_MISC, 0);
+ }
+
/* force to keep tiling flags */
flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 0a24feff945..afb744ce8e7 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -908,8 +908,8 @@ static void *r600_create_rs_state(struct pipe_context *ctx,
r600_pipe_state_add_reg(rstate, R_028DFC_PA_SU_POLY_OFFSET_CLAMP, fui(state->offset_clamp), NULL, 0);
r600_pipe_state_add_reg(rstate, R_028814_PA_SU_SC_MODE_CNTL,
S_028814_PROVOKING_VTX_LAST(prov_vtx) |
- S_028814_CULL_FRONT(state->rasterizer_discard || (state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) |
- S_028814_CULL_BACK(state->rasterizer_discard || (state->cull_face & PIPE_FACE_BACK) ? 1 : 0) |
+ S_028814_CULL_FRONT(state->cull_face & PIPE_FACE_FRONT ? 1 : 0) |
+ S_028814_CULL_BACK(state->cull_face & PIPE_FACE_BACK ? 1 : 0) |
S_028814_FACE(!state->front_ccw) |
S_028814_POLY_OFFSET_FRONT_ENABLE(state->offset_tri) |
S_028814_POLY_OFFSET_BACK_ENABLE(state->offset_tri) |
@@ -918,6 +918,7 @@ static void *r600_create_rs_state(struct pipe_context *ctx,
S_028814_POLYMODE_FRONT_PTYPE(r600_translate_fill(state->fill_front)) |
S_028814_POLYMODE_BACK_PTYPE(r600_translate_fill(state->fill_back)),
NULL, 0);
+ r600_pipe_state_add_reg(rstate, R_028350_SX_MISC, S_028350_MULTIPASS(state->rasterizer_discard), NULL, 0);
return rstate;
}
@@ -1990,8 +1991,6 @@ void r600_init_atom_start_cs(struct r600_context *rctx)
r600_store_config_reg(cb, R_009714_VC_ENHANCE, 0);
- r600_store_context_reg(cb, R_028350_SX_MISC, 0);
-
if (rctx->chip_class >= R700) {
r600_store_config_reg(cb, R_008D8C_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0x00004000);
r600_store_config_reg(cb, R_009830_DB_DEBUG, 0);