diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_state.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_state.c | 92 |
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, |