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path: root/src/gallium/drivers/r600/r600_state.c
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Diffstat (limited to 'src/gallium/drivers/r600/r600_state.c')
-rw-r--r--src/gallium/drivers/r600/r600_state.c92
1 files changed, 52 insertions, 40 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index cd089e83e7..c592ef2bd0 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -46,6 +46,54 @@
#include "r600_pipe.h"
#include "r600_state_inlines.h"
+void r600_polygon_offset_update(struct r600_pipe_context *rctx)
+{
+ struct r600_pipe_state state;
+
+ state.id = R600_PIPE_STATE_POLYGON_OFFSET;
+ state.nregs = 0;
+ if (rctx->rasterizer && rctx->framebuffer.zsbuf) {
+ float offset_units = rctx->rasterizer->offset_units;
+ unsigned offset_db_fmt_cntl = 0, depth;
+
+ switch (rctx->framebuffer.zsbuf->texture->format) {
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ depth = -24;
+ offset_units *= 2.0f;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ depth = -23;
+ offset_units *= 1.0f;
+ offset_db_fmt_cntl |= S_028DF8_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
+ break;
+ case PIPE_FORMAT_Z16_UNORM:
+ depth = -16;
+ offset_units *= 4.0f;
+ break;
+ default:
+ return;
+ }
+ offset_db_fmt_cntl |= S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS(depth);
+ r600_pipe_state_add_reg(&state,
+ R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE,
+ fui(rctx->rasterizer->offset_scale), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028E04_PA_SU_POLY_OFFSET_FRONT_OFFSET,
+ fui(offset_units), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028E08_PA_SU_POLY_OFFSET_BACK_SCALE,
+ fui(rctx->rasterizer->offset_scale), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028E0C_PA_SU_POLY_OFFSET_BACK_OFFSET,
+ fui(offset_units), 0xFFFFFFFF, NULL);
+ r600_pipe_state_add_reg(&state,
+ R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
+ offset_db_fmt_cntl, 0xFFFFFFFF, NULL);
+ r600_context_pipe_state_set(&rctx->ctx, &state);
+ }
+}
+
static void r600_draw_common(struct r600_drawl *draw)
{
struct r600_pipe_context *rctx = (struct r600_pipe_context *)draw->ctx;
@@ -126,46 +174,6 @@ static void r600_draw_common(struct r600_drawl *draw)
r600_pipe_state_add_reg(&vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(&vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL);
r600_pipe_state_add_reg(&vgt, R_03CFF4_SQ_VTX_START_INST_LOC, 0, 0xFFFFFFFF, NULL);
- /* build late state */
- if (rctx->rasterizer && rctx->framebuffer.zsbuf) {
- float offset_units = rctx->rasterizer->offset_units;
- unsigned offset_db_fmt_cntl = 0, depth;
-
- switch (rctx->framebuffer.zsbuf->texture->format) {
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- depth = -24;
- offset_units *= 2.0f;
- break;
- case PIPE_FORMAT_Z32_FLOAT:
- depth = -23;
- offset_units *= 1.0f;
- offset_db_fmt_cntl |= S_028DF8_POLY_OFFSET_DB_IS_FLOAT_FMT(1);
- break;
- case PIPE_FORMAT_Z16_UNORM:
- depth = -16;
- offset_units *= 4.0f;
- break;
- default:
- return;
- }
- offset_db_fmt_cntl |= S_028DF8_POLY_OFFSET_NEG_NUM_DB_BITS(depth);
- r600_pipe_state_add_reg(&vgt,
- R_028E00_PA_SU_POLY_OFFSET_FRONT_SCALE,
- fui(rctx->rasterizer->offset_scale), 0xFFFFFFFF, NULL);
- r600_pipe_state_add_reg(&vgt,
- R_028E04_PA_SU_POLY_OFFSET_FRONT_OFFSET,
- fui(offset_units), 0xFFFFFFFF, NULL);
- r600_pipe_state_add_reg(&vgt,
- R_028E08_PA_SU_POLY_OFFSET_BACK_SCALE,
- fui(rctx->rasterizer->offset_scale), 0xFFFFFFFF, NULL);
- r600_pipe_state_add_reg(&vgt,
- R_028E0C_PA_SU_POLY_OFFSET_BACK_OFFSET,
- fui(offset_units), 0xFFFFFFFF, NULL);
- r600_pipe_state_add_reg(&vgt,
- R_028DF8_PA_SU_POLY_OFFSET_DB_FMT_CNTL,
- offset_db_fmt_cntl, 0xFFFFFFFF, NULL);
- }
r600_context_pipe_state_set(&rctx->ctx, &vgt);
rdraw.vgt_num_indices = draw->count;
@@ -1023,6 +1031,10 @@ static void r600_set_framebuffer_state(struct pipe_context *ctx,
free(rctx->states[R600_PIPE_STATE_FRAMEBUFFER]);
rctx->states[R600_PIPE_STATE_FRAMEBUFFER] = rstate;
r600_context_pipe_state_set(&rctx->ctx, rstate);
+
+ if (state->zsbuf) {
+ r600_polygon_offset_update(rctx);
+ }
}
static void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,