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kolibrios/drivers/video/i965/gen75_vme.c
Sergey Semyonov (Serge) 84ab2d2d6b intel: update 2D driver & VA driver 
git-svn-id: svn://kolibrios.org@3769 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-06 06:25:41 +00:00

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30 KiB
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/*
* Copyright © 2010-2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Zhao Yakui <yakui.zhao@intel.com>
* Xiang HaiHao <haihao.xiang@intel.com>
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "intel_batchbuffer.h"
#include "intel_driver.h"
#include "i965_defines.h"
#include "i965_drv_video.h"
#include "gen6_vme.h"
#include "i965_encoder.h"
#define SURFACE_STATE_PADDED_SIZE_0_GEN7 ALIGN(sizeof(struct gen7_surface_state), 32)
#define SURFACE_STATE_PADDED_SIZE_1_GEN7 ALIGN(sizeof(struct gen7_surface_state2), 32)
#define SURFACE_STATE_PADDED_SIZE_GEN7 MAX(SURFACE_STATE_PADDED_SIZE_0_GEN7, SURFACE_STATE_PADDED_SIZE_1_GEN7)
#define SURFACE_STATE_PADDED_SIZE_0_GEN6 ALIGN(sizeof(struct i965_surface_state), 32)
#define SURFACE_STATE_PADDED_SIZE_1_GEN6 ALIGN(sizeof(struct i965_surface_state2), 32)
#define SURFACE_STATE_PADDED_SIZE_GEN6 MAX(SURFACE_STATE_PADDED_SIZE_0_GEN6, SURFACE_STATE_PADDED_SIZE_1_GEN7)
#define SURFACE_STATE_PADDED_SIZE MAX(SURFACE_STATE_PADDED_SIZE_GEN6, SURFACE_STATE_PADDED_SIZE_GEN7)
#define SURFACE_STATE_OFFSET(index) (SURFACE_STATE_PADDED_SIZE * index)
#define BINDING_TABLE_OFFSET SURFACE_STATE_OFFSET(MAX_MEDIA_SURFACES_GEN6)
#define VME_INTRA_SHADER 0
#define VME_INTER_SHADER 1
#define CURBE_ALLOCATION_SIZE 37 /* in 256-bit */
#define CURBE_TOTAL_DATA_LENGTH (4 * 32) /* in byte, it should be less than or equal to CURBE_ALLOCATION_SIZE * 32 */
#define CURBE_URB_ENTRY_LENGTH 4 /* in 256-bit, it should be less than or equal to CURBE_TOTAL_DATA_LENGTH / 32 */
#define VME_MSG_LENGTH 32
static const uint32_t gen75_vme_intra_frame[][4] = {
#include "shaders/vme/intra_frame_haswell.g75b"
};
static const uint32_t gen75_vme_inter_frame[][4] = {
#include "shaders/vme/inter_frame_haswell.g75b"
};
static struct i965_kernel gen75_vme_kernels[] = {
{
"VME Intra Frame",
VME_INTRA_SHADER, /*index*/
gen75_vme_intra_frame,
sizeof(gen75_vme_intra_frame),
NULL
},
{
"VME inter Frame",
VME_INTER_SHADER,
gen75_vme_inter_frame,
sizeof(gen75_vme_inter_frame),
NULL
}
};
/*
* Surface state for IvyBridge
*/
static
void gen75_vme_set_common_surface_tiling(struct gen7_surface_state *ss, unsigned int tiling)
{
switch (tiling) {
case I915_TILING_NONE:
ss->ss0.tiled_surface = 0;
ss->ss0.tile_walk = 0;
break;
case I915_TILING_X:
ss->ss0.tiled_surface = 1;
ss->ss0.tile_walk = I965_TILEWALK_XMAJOR;
break;
case I915_TILING_Y:
ss->ss0.tiled_surface = 1;
ss->ss0.tile_walk = I965_TILEWALK_YMAJOR;
break;
}
}
static void
gen75_vme_set_source_surface_tiling(struct gen7_surface_state2 *ss, unsigned int tiling)
{
switch (tiling) {
case I915_TILING_NONE:
ss->ss2.tiled_surface = 0;
ss->ss2.tile_walk = 0;
break;
case I915_TILING_X:
ss->ss2.tiled_surface = 1;
ss->ss2.tile_walk = I965_TILEWALK_XMAJOR;
break;
case I915_TILING_Y:
ss->ss2.tiled_surface = 1;
ss->ss2.tile_walk = I965_TILEWALK_YMAJOR;
break;
}
}
/* only used for VME source surface state */
static void gen75_vme_source_surface_state(VADriverContextP ctx,
int index,
struct object_surface *obj_surface,
struct gen6_encoder_context *gen6_encoder_context)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
struct gen7_surface_state2 *ss;
dri_bo *bo;
int w, h, w_pitch, h_pitch;
unsigned int tiling, swizzle;
assert(obj_surface->bo);
w = obj_surface->orig_width;
h = obj_surface->orig_height;
w_pitch = obj_surface->width;
h_pitch = obj_surface->height;
bo = vme_context->surface_state_binding_table.bo;
dri_bo_map(bo, 1);
assert(bo->virtual);
ss = (struct gen7_surface_state2 *)((char *)bo->virtual + SURFACE_STATE_OFFSET(index));
memset(ss, 0, sizeof(*ss));
ss->ss0.surface_base_address = obj_surface->bo->offset;
ss->ss1.cbcr_pixel_offset_v_direction = 2;
ss->ss1.width = w - 1;
ss->ss1.height = h - 1;
ss->ss2.surface_format = MFX_SURFACE_PLANAR_420_8;
ss->ss2.interleave_chroma = 1;
ss->ss2.pitch = w_pitch - 1;
ss->ss2.half_pitch_for_chroma = 0;
dri_bo_get_tiling(obj_surface->bo, &tiling, &swizzle);
gen75_vme_set_source_surface_tiling(ss, tiling);
/* UV offset for interleave mode */
ss->ss3.x_offset_for_cb = 0;
ss->ss3.y_offset_for_cb = h_pitch;
dri_bo_emit_reloc(bo,
I915_GEM_DOMAIN_RENDER, 0,
0,
SURFACE_STATE_OFFSET(index) + offsetof(struct gen7_surface_state2, ss0),
obj_surface->bo);
((unsigned int *)((char *)bo->virtual + BINDING_TABLE_OFFSET))[index] = SURFACE_STATE_OFFSET(index);
dri_bo_unmap(bo);
}
static void
gen75_vme_media_source_surface_state(VADriverContextP ctx,
int index,
struct object_surface *obj_surface,
struct gen6_encoder_context *gen6_encoder_context)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
struct gen7_surface_state *ss;
dri_bo *bo;
int w, h, w_pitch;
unsigned int tiling, swizzle;
/* Y plane */
w = obj_surface->orig_width;
h = obj_surface->orig_height;
w_pitch = obj_surface->width;
bo = vme_context->surface_state_binding_table.bo;
dri_bo_map(bo, True);
assert(bo->virtual);
ss = (struct gen7_surface_state *)((char *)bo->virtual + SURFACE_STATE_OFFSET(index));
memset(ss, 0, sizeof(*ss));
ss->ss0.surface_type = I965_SURFACE_2D;
ss->ss0.surface_format = I965_SURFACEFORMAT_R8_UNORM;
ss->ss1.base_addr = obj_surface->bo->offset;
ss->ss2.width = w / 4 - 1;
ss->ss2.height = h - 1;
ss->ss3.pitch = w_pitch - 1;
dri_bo_get_tiling(obj_surface->bo, &tiling, &swizzle);
gen75_vme_set_common_surface_tiling(ss, tiling);
dri_bo_emit_reloc(bo,
I915_GEM_DOMAIN_RENDER, 0,
0,
SURFACE_STATE_OFFSET(index) + offsetof(struct gen7_surface_state, ss1),
obj_surface->bo);
((unsigned int *)((char *)bo->virtual + BINDING_TABLE_OFFSET))[index] = SURFACE_STATE_OFFSET(index);
dri_bo_unmap(bo);
}
static VAStatus
gen75_vme_output_buffer_setup(VADriverContextP ctx,
struct encode_state *encode_state,
int index,
struct gen6_encoder_context *gen6_encoder_context)
{
struct i965_driver_data *i965 = i965_driver_data(ctx);
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
struct gen7_surface_state *ss;
dri_bo *bo;
VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param->buffer;
VAEncSliceParameterBuffer *pSliceParameter = (VAEncSliceParameterBuffer *)encode_state->slice_params[0]->buffer;
int is_intra = pSliceParameter->slice_flags.bits.is_intra;
int width_in_mbs = pSequenceParameter->picture_width_in_mbs;
int height_in_mbs = pSequenceParameter->picture_height_in_mbs;
int num_entries;
if ( is_intra ) {
vme_context->vme_output.size_block = INTRA_VME_OUTPUT_IN_BYTES * 2;
} else {
vme_context->vme_output.size_block = INTRA_VME_OUTPUT_IN_BYTES * 24;
/*
* Inter MV . 32-byte Intra search + 16 IME info + 128 IME MV + 32 IME Ref
* + 16 FBR Info + 128 FBR MV + 32 FBR Ref.
* 16 * (2 + 2 * (1 + 8 + 2))= 16 * 24.
*/
}
vme_context->vme_output.num_blocks = width_in_mbs * height_in_mbs;
vme_context->vme_output.pitch = 16;
bo = dri_bo_alloc(i965->intel.bufmgr,
"VME output buffer",
vme_context->vme_output.num_blocks * vme_context->vme_output.size_block,
0x1000);
assert(bo);
vme_context->vme_output.bo = bo;
bo = vme_context->surface_state_binding_table.bo;
dri_bo_map(bo, 1);
assert(bo->virtual);
ss = (struct gen7_surface_state *)((char *)bo->virtual + SURFACE_STATE_OFFSET(index));
memset(ss, 0, sizeof(*ss));
/* always use 16 bytes as pitch on Sandy Bridge */
num_entries = vme_context->vme_output.num_blocks * vme_context->vme_output.size_block / 16;
ss->ss0.surface_type = I965_SURFACE_BUFFER;
ss->ss1.base_addr = vme_context->vme_output.bo->offset;
ss->ss2.width = ((num_entries - 1) & 0x7f);
ss->ss2.height = (((num_entries - 1) >> 7) & 0x3fff);
ss->ss3.depth = (((num_entries - 1) >> 21) & 0x3f);
ss->ss3.pitch = vme_context->vme_output.pitch - 1;
dri_bo_emit_reloc(bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
0,
SURFACE_STATE_OFFSET(index) + offsetof(struct gen7_surface_state, ss1),
vme_context->vme_output.bo);
((unsigned int *)((char *)bo->virtual + BINDING_TABLE_OFFSET))[index] = SURFACE_STATE_OFFSET(index);
dri_bo_unmap(bo);
return VA_STATUS_SUCCESS;
}
static VAStatus gen75_vme_surface_setup(VADriverContextP ctx,
struct encode_state *encode_state,
int is_intra,
struct gen6_encoder_context *gen6_encoder_context)
{
struct i965_driver_data *i965 = i965_driver_data(ctx);
struct object_surface *obj_surface;
VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param->buffer;
/*Setup surfaces state*/
/* current picture for encoding */
obj_surface = SURFACE(encode_state->current_render_target);
assert(obj_surface);
gen75_vme_source_surface_state(ctx, 0, obj_surface, gen6_encoder_context);
gen75_vme_media_source_surface_state(ctx, 4, obj_surface, gen6_encoder_context);
if ( ! is_intra ) {
/* reference 0 */
obj_surface = SURFACE(pPicParameter->reference_picture);
assert(obj_surface);
gen75_vme_source_surface_state(ctx, 1, obj_surface, gen6_encoder_context);
/* reference 1, FIXME: */
// obj_surface = SURFACE(pPicParameter->reference_picture);
// assert(obj_surface);
//gen7_vme_source_surface_state(ctx, 2, obj_surface);
}
/* VME output */
gen75_vme_output_buffer_setup(ctx, encode_state, 3, gen6_encoder_context);
return VA_STATUS_SUCCESS;
}
static VAStatus gen75_vme_interface_setup(VADriverContextP ctx,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
struct gen6_interface_descriptor_data *desc;
int i;
dri_bo *bo;
bo = vme_context->idrt.bo;
dri_bo_map(bo, 1);
assert(bo->virtual);
desc = bo->virtual;
for (i = 0; i < GEN6_VME_KERNEL_NUMBER; i++) {
struct i965_kernel *kernel;
kernel = &vme_context->vme_kernels[i];
assert(sizeof(*desc) == 32);
/*Setup the descritor table*/
memset(desc, 0, sizeof(*desc));
desc->desc0.kernel_start_pointer = (kernel->bo->offset >> 6);
desc->desc2.sampler_count = 0; /* FIXME: */
desc->desc2.sampler_state_pointer = 0;
desc->desc3.binding_table_entry_count = 1; /* FIXME: */
desc->desc3.binding_table_pointer = (BINDING_TABLE_OFFSET >> 5);
desc->desc4.constant_urb_entry_read_offset = 0;
desc->desc4.constant_urb_entry_read_length = CURBE_URB_ENTRY_LENGTH;
/*kernel start*/
dri_bo_emit_reloc(bo,
I915_GEM_DOMAIN_INSTRUCTION, 0,
0,
i * sizeof(*desc) + offsetof(struct gen6_interface_descriptor_data, desc0),
kernel->bo);
desc++;
}
dri_bo_unmap(bo);
return VA_STATUS_SUCCESS;
}
static VAStatus gen75_vme_constant_setup(VADriverContextP ctx,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
unsigned char *constant_buffer;
dri_bo_map(vme_context->curbe.bo, 1);
assert(vme_context->curbe.bo->virtual);
constant_buffer = vme_context->curbe.bo->virtual;
/* VME MV/Mb cost table is passed by using const buffer */
/* Now it uses the fixed search path. So it is constructed directly
* in the GPU shader.
*/
memcpy(constant_buffer, (char *)vme_context->vme_state_message, 32);
dri_bo_unmap( vme_context->curbe.bo);
return VA_STATUS_SUCCESS;
}
static VAStatus gen75_vme_vme_state_setup(VADriverContextP ctx,
struct encode_state *encode_state,
int is_intra,
struct gen6_encoder_context *gen6_encoder_context)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
unsigned int *vme_state_message;
int i;
//building VME state message
//pass the MV/Mb cost into VME message on HASWell
assert(vme_context->vme_state_message);
vme_state_message = (unsigned int *)vme_context->vme_state_message;
vme_state_message[0] = 0x4a4a4a4a;
vme_state_message[1] = 0x4a4a4a4a;
vme_state_message[2] = 0x4a4a4a4a;
vme_state_message[3] = 0x22120200;
vme_state_message[4] = 0x62524232;
for (i=5; i < 8; i++) {
vme_state_message[i] = 0;
}
return VA_STATUS_SUCCESS;
}
static void gen75_vme_pipeline_select(VADriverContextP ctx,
struct gen6_encoder_context *gen6_encoder_context,
struct intel_batchbuffer *batch)
{
if (batch == NULL)
batch = gen6_encoder_context->base.batch;
BEGIN_BATCH(batch, 1);
OUT_BATCH(batch, CMD_PIPELINE_SELECT | PIPELINE_SELECT_MEDIA);
ADVANCE_BATCH(batch);
}
static void gen75_vme_state_base_address(VADriverContextP ctx,
struct gen6_encoder_context *gen6_encoder_context,
struct intel_batchbuffer *batch)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
if (batch == NULL)
batch = gen6_encoder_context->base.batch;
BEGIN_BATCH(batch, 10);
OUT_BATCH(batch, CMD_STATE_BASE_ADDRESS | 8);
OUT_BATCH(batch, 0 | BASE_ADDRESS_MODIFY); //General State Base Address
OUT_RELOC(batch, vme_context->surface_state_binding_table.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, BASE_ADDRESS_MODIFY); /* Surface state base address */
OUT_BATCH(batch, 0 | BASE_ADDRESS_MODIFY); //Dynamic State Base Address
OUT_BATCH(batch, 0 | BASE_ADDRESS_MODIFY); //Indirect Object Base Address
OUT_BATCH(batch, 0 | BASE_ADDRESS_MODIFY); //Instruction Base Address
OUT_BATCH(batch, 0xFFFFF000 | BASE_ADDRESS_MODIFY); //General State Access Upper Bound
OUT_BATCH(batch, 0xFFFFF000 | BASE_ADDRESS_MODIFY); //Dynamic State Access Upper Bound
OUT_BATCH(batch, 0xFFFFF000 | BASE_ADDRESS_MODIFY); //Indirect Object Access Upper Bound
OUT_BATCH(batch, 0xFFFFF000 | BASE_ADDRESS_MODIFY); //Instruction Access Upper Bound
/*
OUT_BATCH(batch, 0 | BASE_ADDRESS_MODIFY); //LLC Coherent Base Address
OUT_BATCH(batch, 0xFFFFF000 | BASE_ADDRESS_MODIFY ); //LLC Coherent Upper Bound
*/
ADVANCE_BATCH(batch);
}
static void gen75_vme_vfe_state(VADriverContextP ctx,
struct gen6_encoder_context *gen6_encoder_context,
struct intel_batchbuffer *batch)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
if (batch == NULL)
batch = gen6_encoder_context->base.batch;
BEGIN_BATCH(batch, 8);
OUT_BATCH(batch, CMD_MEDIA_VFE_STATE | 6); /*Gen6 CMD_MEDIA_STATE_POINTERS = CMD_MEDIA_STATE */
OUT_BATCH(batch, 0); /*Scratch Space Base Pointer and Space*/
OUT_BATCH(batch, (vme_context->vfe_state.max_num_threads << 16)
| (vme_context->vfe_state.num_urb_entries << 8)
| (vme_context->vfe_state.gpgpu_mode << 2) ); /*Maximum Number of Threads , Number of URB Entries, MEDIA Mode*/
OUT_BATCH(batch, 0); /*Debug: Object ID*/
OUT_BATCH(batch, (vme_context->vfe_state.urb_entry_size << 16)
| vme_context->vfe_state.curbe_allocation_size); /*URB Entry Allocation Size , CURBE Allocation Size*/
OUT_BATCH(batch, 0); /*Disable Scoreboard*/
OUT_BATCH(batch, 0); /*Disable Scoreboard*/
OUT_BATCH(batch, 0); /*Disable Scoreboard*/
ADVANCE_BATCH(batch);
}
static void gen75_vme_curbe_load(VADriverContextP ctx,
struct gen6_encoder_context *gen6_encoder_context,
struct intel_batchbuffer *batch)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
if (batch == NULL)
batch = gen6_encoder_context->base.batch;
BEGIN_BATCH(batch, 4);
OUT_BATCH(batch, CMD_MEDIA_CURBE_LOAD | 2);
OUT_BATCH(batch, 0);
OUT_BATCH(batch, CURBE_TOTAL_DATA_LENGTH);
OUT_RELOC(batch, vme_context->curbe.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
ADVANCE_BATCH(batch);
}
static void gen75_vme_idrt(VADriverContextP ctx,
struct gen6_encoder_context *gen6_encoder_context,
struct intel_batchbuffer *batch)
{
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
if (batch == NULL)
batch = gen6_encoder_context->base.batch;
BEGIN_BATCH(batch, 4);
OUT_BATCH(batch, CMD_MEDIA_INTERFACE_LOAD | 2);
OUT_BATCH(batch, 0);
OUT_BATCH(batch, GEN6_VME_KERNEL_NUMBER * sizeof(struct gen6_interface_descriptor_data));
OUT_RELOC(batch, vme_context->idrt.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
ADVANCE_BATCH(batch);
}
static int gen75_vme_media_object(VADriverContextP ctx,
struct encode_state *encode_state,
int mb_x, int mb_y,
int kernel, unsigned int mb_intra_ub,
struct gen6_encoder_context *gen6_encoder_context,
struct intel_batchbuffer *batch)
{
struct i965_driver_data *i965 = i965_driver_data(ctx);
struct object_surface *obj_surface = SURFACE(encode_state->current_render_target);
int mb_width = ALIGN(obj_surface->orig_width, 16) / 16;
int len_in_dowrds = 8;
if (batch == NULL)
batch = gen6_encoder_context->base.batch;
BEGIN_BATCH(batch, len_in_dowrds);
OUT_BATCH(batch, CMD_MEDIA_OBJECT | (len_in_dowrds - 2));
OUT_BATCH(batch, kernel); /*Interface Descriptor Offset*/
OUT_BATCH(batch, 0);
OUT_BATCH(batch, 0);
OUT_BATCH(batch, 0);
OUT_BATCH(batch, 0);
/*inline data */
OUT_BATCH(batch, mb_width << 16 | mb_y << 8 | mb_x); /*M0.0 Refrence0 X,Y, not used in Intra*/
OUT_BATCH(batch, ((mb_intra_ub << 8) | 0));
ADVANCE_BATCH(batch);
return len_in_dowrds * 4;
}
static void gen75_vme_media_init(VADriverContextP ctx, struct gen6_encoder_context *gen6_encoder_context)
{
struct i965_driver_data *i965 = i965_driver_data(ctx);
struct gen6_vme_context *vme_context = &gen6_encoder_context->vme_context;
dri_bo *bo;
/* constant buffer */
dri_bo_unreference(vme_context->curbe.bo);
bo = dri_bo_alloc(i965->intel.bufmgr,
"Buffer",
CURBE_TOTAL_DATA_LENGTH, 64);
assert(bo);
vme_context->curbe.bo = bo;
dri_bo_unreference(vme_context->surface_state_binding_table.bo);
bo = dri_bo_alloc(i965->intel.bufmgr,
"surface state & binding table",
(SURFACE_STATE_PADDED_SIZE + sizeof(unsigned int)) * MAX_MEDIA_SURFACES_GEN6,
4096);
assert(bo);
vme_context->surface_state_binding_table.bo = bo;
/* interface descriptor remapping table */
dri_bo_unreference(vme_context->idrt.bo);
bo = dri_bo_alloc(i965->intel.bufmgr,
"Buffer",
MAX_INTERFACE_DESC_GEN6 * sizeof(struct gen6_interface_descriptor_data), 16);
assert(bo);
vme_context->idrt.bo = bo;
/* VME output buffer */
dri_bo_unreference(vme_context->vme_output.bo);
vme_context->vme_output.bo = NULL;
/* VME state */
dri_bo_unreference(vme_context->vme_state.bo);
vme_context->vme_state.bo = NULL;
vme_context->vfe_state.max_num_threads = 60 - 1;
vme_context->vfe_state.num_urb_entries = 16;
vme_context->vfe_state.gpgpu_mode = 0;
vme_context->vfe_state.urb_entry_size = 59 - 1;
vme_context->vfe_state.curbe_allocation_size = CURBE_ALLOCATION_SIZE - 1;
}
#define INTRA_PRED_AVAIL_FLAG_AE 0x60
#define INTRA_PRED_AVAIL_FLAG_B 0x10
#define INTRA_PRED_AVAIL_FLAG_C 0x8
#define INTRA_PRED_AVAIL_FLAG_D 0x4
#define INTRA_PRED_AVAIL_FLAG_BCD_MASK 0x1C
static void gen75_vme_pipeline_programing(VADriverContextP ctx,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
struct i965_driver_data *i965 = i965_driver_data(ctx);
struct intel_batchbuffer *main_batch = gen6_encoder_context->base.batch;
VAEncSliceParameterBuffer *pSliceParameter = (VAEncSliceParameterBuffer *)encode_state->slice_params[0]->buffer;
VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param->buffer;
int is_intra = pSliceParameter->slice_flags.bits.is_intra;
int width_in_mbs = pSequenceParameter->picture_width_in_mbs;
int height_in_mbs = pSequenceParameter->picture_height_in_mbs;
int emit_new_state = 1, object_len_in_bytes;
int x, y;
unsigned int mb_intra_ub;
struct intel_batchbuffer *batch = intel_batchbuffer_new(&i965->intel, I915_EXEC_RENDER, width_in_mbs * height_in_mbs * 8 * 4 + 0x200);
intel_batchbuffer_start_atomic(batch, width_in_mbs * height_in_mbs * 8 * 4 + 0x100);
for(y = 0; y < height_in_mbs; y++){
for(x = 0; x < width_in_mbs; x++){
mb_intra_ub = 0;
if (x != 0) {
mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE;
}
if (y != 0) {
mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B;
if (x != 0)
mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D;
if (x != (width_in_mbs -1))
mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C;
}
if (emit_new_state) {
/*Step1: MI_FLUSH/PIPE_CONTROL*/
intel_batchbuffer_emit_mi_flush(batch);
/*Step2: State command PIPELINE_SELECT*/
gen75_vme_pipeline_select(ctx, gen6_encoder_context, batch);
/*Step3: State commands configuring pipeline states*/
gen75_vme_state_base_address(ctx, gen6_encoder_context, batch);
gen75_vme_vfe_state(ctx, gen6_encoder_context, batch);
gen75_vme_curbe_load(ctx, gen6_encoder_context, batch);
gen75_vme_idrt(ctx, gen6_encoder_context, batch);
emit_new_state = 0;
}
/*Step4: Primitive commands*/
object_len_in_bytes = gen75_vme_media_object(ctx, encode_state, x, y, is_intra ? VME_INTRA_SHADER : VME_INTER_SHADER, mb_intra_ub, gen6_encoder_context, batch);
if (intel_batchbuffer_check_free_space(batch, object_len_in_bytes) == 0) {
assert(0);
intel_batchbuffer_end_atomic(batch);
intel_batchbuffer_flush(batch);
emit_new_state = 1;
intel_batchbuffer_start_atomic(batch, 0x1000);
}
}
}
intel_batchbuffer_align(batch, 8);
BEGIN_BATCH(batch, 2);
OUT_BATCH(batch, 0);
OUT_BATCH(batch, MI_BATCH_BUFFER_END);
ADVANCE_BATCH(batch);
intel_batchbuffer_end_atomic(batch);
/* chain to the main batch buffer */
intel_batchbuffer_start_atomic(main_batch, 0x100);
intel_batchbuffer_emit_mi_flush(main_batch);
BEGIN_BATCH(main_batch, 2);
OUT_BATCH(main_batch, MI_BATCH_BUFFER_START | (2 << 6));
OUT_RELOC(main_batch,
batch->buffer,
I915_GEM_DOMAIN_COMMAND, 0,
0);
ADVANCE_BATCH(main_batch);
intel_batchbuffer_end_atomic(main_batch);
// end programing
intel_batchbuffer_free(batch);
}
static VAStatus gen75_vme_prepare(VADriverContextP ctx,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
VAStatus vaStatus = VA_STATUS_SUCCESS;
VAEncSliceParameterBuffer *pSliceParameter = (VAEncSliceParameterBuffer *)encode_state->slice_params[0]->buffer;
int is_intra = pSliceParameter->slice_flags.bits.is_intra;
gen75_vme_surface_setup(ctx, encode_state, is_intra, gen6_encoder_context);
gen75_vme_interface_setup(ctx, encode_state, gen6_encoder_context);
gen75_vme_vme_state_setup(ctx, encode_state, is_intra, gen6_encoder_context);
gen75_vme_constant_setup(ctx, encode_state, gen6_encoder_context);
/*Programing media pipeline*/
gen75_vme_pipeline_programing(ctx, encode_state, gen6_encoder_context);
return vaStatus;
}
static VAStatus gen75_vme_run(VADriverContextP ctx,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
struct intel_batchbuffer *batch = gen6_encoder_context->base.batch;
intel_batchbuffer_flush(batch);
return VA_STATUS_SUCCESS;
}
static VAStatus gen75_vme_stop(VADriverContextP ctx,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
return VA_STATUS_SUCCESS;
}
VAStatus gen75_vme_pipeline(VADriverContextP ctx,
VAProfile profile,
struct encode_state *encode_state,
struct gen6_encoder_context *gen6_encoder_context)
{
gen75_vme_media_init(ctx, gen6_encoder_context);
gen75_vme_prepare(ctx, encode_state, gen6_encoder_context);
gen75_vme_run(ctx, encode_state, gen6_encoder_context);
gen75_vme_stop(ctx, encode_state, gen6_encoder_context);
return VA_STATUS_SUCCESS;
}
Bool gen75_vme_context_init(VADriverContextP ctx, struct gen6_vme_context *vme_context)
{
struct i965_driver_data *i965 = i965_driver_data(ctx);
int i;
memcpy(vme_context->vme_kernels, gen75_vme_kernels, sizeof(vme_context->vme_kernels));
for (i = 0; i < GEN6_VME_KERNEL_NUMBER; i++) {
/*Load kernel into GPU memory*/
struct i965_kernel *kernel = &vme_context->vme_kernels[i];
kernel->bo = dri_bo_alloc(i965->intel.bufmgr,
kernel->name,
kernel->size,
0x1000);
assert(kernel->bo);
dri_bo_subdata(kernel->bo, 0, kernel->size, kernel->bin);
}
vme_context->vme_state_message = malloc(VME_MSG_LENGTH * sizeof(int));
return True;
}
Bool gen75_vme_context_destroy(struct gen6_vme_context *vme_context)
{
int i;
dri_bo_unreference(vme_context->idrt.bo);
vme_context->idrt.bo = NULL;
dri_bo_unreference(vme_context->surface_state_binding_table.bo);
vme_context->surface_state_binding_table.bo = NULL;
dri_bo_unreference(vme_context->curbe.bo);
vme_context->curbe.bo = NULL;
dri_bo_unreference(vme_context->vme_output.bo);
vme_context->vme_output.bo = NULL;
dri_bo_unreference(vme_context->vme_state.bo);
vme_context->vme_state.bo = NULL;
for (i = 0; i < GEN6_VME_KERNEL_NUMBER; i++) {
/*Load kernel into GPU memory*/
struct i965_kernel *kernel = &vme_context->vme_kernels[i];
dri_bo_unreference(kernel->bo);
kernel->bo = NULL;
}
if (vme_context->vme_state_message) {
free(vme_context->vme_state_message);
vme_context->vme_state_message = NULL;
}
return True;
}
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