diff options
Diffstat (limited to 'src/gen6_mfc_common.c')
| -rw-r--r-- | src/gen6_mfc_common.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/gen6_mfc_common.c b/src/gen6_mfc_common.c index ac28d23..469bf64 100644 --- a/src/gen6_mfc_common.c +++ b/src/gen6_mfc_common.c @@ -1186,3 +1186,127 @@ void intel_vme_mpeg2_state_setup(VADriverContextP ctx, vme_state_message[MPEG2_PIC_WIDTH_HEIGHT] = (height_in_mbs << 16) | width_in_mbs; } + +void +gen7_vme_mpeg2_walker_fill_vme_batchbuffer(VADriverContextP ctx, + struct encode_state *encode_state, + int mb_width, int mb_height, + int kernel, + struct intel_encoder_context *encoder_context) +{ + struct gen6_vme_context *vme_context = encoder_context->vme_context; + unsigned int *command_ptr; + +#define MPEG2_SCOREBOARD (1 << 21) + + dri_bo_map(vme_context->vme_batchbuffer.bo, 1); + command_ptr = vme_context->vme_batchbuffer.bo->virtual; + + { + unsigned int mb_intra_ub, score_dep; + int x_outer, y_outer, x_inner, y_inner; + int xtemp_outer = 0; + int first_mb = 0; + int num_mb = mb_width * mb_height; + + x_outer = 0; + y_outer = 0; + + + for (; x_outer < (mb_width -2 ) && !loop_in_bounds(x_outer, y_outer, first_mb, num_mb, mb_width, mb_height); ) { + x_inner = x_outer; + y_inner = y_outer; + for (; !loop_in_bounds(x_inner, y_inner, first_mb, num_mb, mb_width, mb_height);) { + mb_intra_ub = 0; + score_dep = 0; + if (x_inner != 0) { + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE; + score_dep |= MB_SCOREBOARD_A; + } + if (y_inner != 0) { + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B; + score_dep |= MB_SCOREBOARD_B; + + if (x_inner != 0) + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D; + + if (x_inner != (mb_width -1)) { + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C; + score_dep |= MB_SCOREBOARD_C; + } + } + + *command_ptr++ = (CMD_MEDIA_OBJECT | (8 - 2)); + *command_ptr++ = kernel; + *command_ptr++ = MPEG2_SCOREBOARD; + /* Indirect data */ + *command_ptr++ = 0; + /* the (X, Y) term of scoreboard */ + *command_ptr++ = ((y_inner << 16) | x_inner); + *command_ptr++ = score_dep; + /*inline data */ + *command_ptr++ = (mb_width << 16 | y_inner << 8 | x_inner); + *command_ptr++ = ((1 << 18) | (1 << 16) | (mb_intra_ub << 8)); + x_inner -= 2; + y_inner += 1; + } + x_outer += 1; + } + + xtemp_outer = mb_width - 2; + if (xtemp_outer < 0) + xtemp_outer = 0; + x_outer = xtemp_outer; + y_outer = 0; + for (;!loop_in_bounds(x_outer, y_outer, first_mb, num_mb, mb_width, mb_height); ) { + y_inner = y_outer; + x_inner = x_outer; + for (; !loop_in_bounds(x_inner, y_inner, first_mb, num_mb, mb_width, mb_height);) { + mb_intra_ub = 0; + score_dep = 0; + if (x_inner != 0) { + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE; + score_dep |= MB_SCOREBOARD_A; + } + if (y_inner != 0) { + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B; + score_dep |= MB_SCOREBOARD_B; + + if (x_inner != 0) + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D; + + if (x_inner != (mb_width -1)) { + mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C; + score_dep |= MB_SCOREBOARD_C; + } + } + + *command_ptr++ = (CMD_MEDIA_OBJECT | (8 - 2)); + *command_ptr++ = kernel; + *command_ptr++ = MPEG2_SCOREBOARD; + /* Indirect data */ + *command_ptr++ = 0; + /* the (X, Y) term of scoreboard */ + *command_ptr++ = ((y_inner << 16) | x_inner); + *command_ptr++ = score_dep; + /*inline data */ + *command_ptr++ = (mb_width << 16 | y_inner << 8 | x_inner); + *command_ptr++ = ((1 << 18) | (1 << 16) | (mb_intra_ub << 8)); + + x_inner -= 2; + y_inner += 1; + } + x_outer++; + if (x_outer >= mb_width) { + y_outer += 1; + x_outer = xtemp_outer; + } + } + } + + *command_ptr++ = 0; + *command_ptr++ = MI_BATCH_BUFFER_END; + + dri_bo_unmap(vme_context->vme_batchbuffer.bo); + return; +} |