/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* 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 TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
#include "vl_mpeg12_mc_renderer.h"
#include <assert.h>
#include <pipe/p_context.h>
#include <util/u_inlines.h>
#include <util/u_format.h>
#include <util/u_math.h>
#include <util/u_memory.h>
#include <tgsi/tgsi_parse.h>
#include <tgsi/tgsi_build.h>
#include "vl_shader_build.h"
#define DEFAULT_BUF_ALIGNMENT 1
#define MACROBLOCK_WIDTH 16
#define MACROBLOCK_HEIGHT 16
#define BLOCK_WIDTH 8
#define BLOCK_HEIGHT 8
#define ZERO_BLOCK_NIL -1.0f
#define ZERO_BLOCK_IS_NIL(zb) ((zb).x < 0.0f)
struct vertex2f
{
float x, y;
};
struct vertex4f
{
float x, y, z, w;
};
struct vertex_shader_consts
{
struct vertex4f denorm;
};
struct fragment_shader_consts
{
struct vertex4f multiplier;
struct vertex4f div;
};
/*
* Muliplier renormalizes block samples from 16 bits to 12 bits.
* Divider is used when calculating Y % 2 for choosing top or bottom
* field for P or B macroblocks.
* TODO: Use immediates.
*/
static const struct fragment_shader_consts fs_consts = {
{32767.0f / 255.0f, 32767.0f / 255.0f, 32767.0f / 255.0f, 0.0f},
{0.5f, 2.0f, 0.0f, 0.0f}
};
struct vert_stream_0
{
struct vertex2f pos;
struct vertex2f luma_tc;
struct vertex2f cb_tc;
struct vertex2f cr_tc;
};
enum MACROBLOCK_TYPE
{
MACROBLOCK_TYPE_INTRA,
MACROBLOCK_TYPE_FWD_FRAME_PRED,
MACROBLOCK_TYPE_FWD_FIELD_PRED,
MACROBLOCK_TYPE_BKWD_FRAME_PRED,
MACROBLOCK_TYPE_BKWD_FIELD_PRED,
MACROBLOCK_TYPE_BI_FRAME_PRED,
MACROBLOCK_TYPE_BI_FIELD_PRED,
NUM_MACROBLOCK_TYPES
};
static void
create_intra_vert_shader(struct vl_mpeg12_mc_renderer *r)
{
const unsigned max_tokens = 50;
struct pipe_shader_state vs;
struct tgsi_token *tokens;
struct tgsi_header *header;
struct tgsi_full_declaration decl;
struct tgsi_full_instruction inst;
unsigned ti;
unsigned i;
assert(r);
tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
header = (struct tgsi_header *) &tokens[0];
*header = tgsi_build_header();
*(struct tgsi_processor *) &tokens[1] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
ti = 2;
/*
* decl i0 ; Vertex pos
* decl i1 ; Luma texcoords
* decl i2 ; Chroma Cb texcoords
* decl i3 ; Chroma Cr texcoords
*/
for (i = 0; i < 4; i++) {
decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* decl o0 ; Vertex pos
* decl o1 ; Luma texcoords
* decl o2 ; Chroma Cb texcoords
* decl o3 ; Chroma Cr texcoords
*/
for (i = 0; i < 4; i++) {
decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* mov o0, i0 ; Move input vertex pos to output
* mov o1, i1 ; Move input luma texcoords to output
* mov o2, i2 ; Move input chroma Cb texcoords to output
* mov o3, i3 ; Move input chroma Cr texcoords to output
*/
for (i = 0; i < 4; ++i) {
inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* end */
inst = vl_end();
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
assert(ti <= max_tokens);
vs.tokens = tokens;
r->i_vs = r->pipe->create_vs_state(r->pipe, &vs);
free(tokens);
}
static void
create_intra_frag_shader(struct vl_mpeg12_mc_renderer *r)
{
const unsigned max_tokens = 100;
struct pipe_shader_state fs;
struct tgsi_token *tokens;
struct tgsi_header *header;
struct tgsi_full_declaration decl;
struct tgsi_full_instruction inst;
unsigned ti;
unsigned i;
assert(r);
tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
header = (struct tgsi_header *) &tokens[0];
*header = tgsi_build_header();
*(struct tgsi_processor *) &tokens[1] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
ti = 2;
/*
* decl i0 ; Luma texcoords
* decl i1 ; Chroma Cb texcoords
* decl i2 ; Chroma Cr texcoords
*/
for (i = 0; i < 3; ++i) {
decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/* decl o0 ; Fragment color */
decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/* decl t0, t1 */
decl = vl_decl_temps(0, 1);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/*
* decl s0 ; Sampler for luma texture
* decl s1 ; Sampler for chroma Cb texture
* decl s2 ; Sampler for chroma Cr texture
*/
for (i = 0; i < 3; ++i) {
decl = vl_decl_samplers(i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* tex2d t1, i0, s0 ; Read texel from luma texture
* mov t0.x, t1.x ; Move luma sample into .x component
* tex2d t1, i1, s1 ; Read texel from chroma Cb texture
* mov t0.y, t1.x ; Move Cb sample into .y component
* tex2d t1, i2, s2 ; Read texel from chroma Cr texture
* mov t0.z, t1.x ; Move Cr sample into .z component
*/
for (i = 0; i < 3; ++i) {
inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
inst.Src[0].Register.SwizzleX = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleY = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleZ = TGSI_SWIZZLE_X;
inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_X << i;
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* mul o0, t0, c0 ; Rescale texel to correct range */
inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* end */
inst = vl_end();
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
assert(ti <= max_tokens);
fs.tokens = tokens;
r->i_fs = r->pipe->create_fs_state(r->pipe, &fs);
free(tokens);
}
static void
create_frame_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
{
const unsigned max_tokens = 100;
struct pipe_shader_state vs;
struct tgsi_token *tokens;
struct tgsi_header *header;
struct tgsi_full_declaration decl;
struct tgsi_full_instruction inst;
unsigned ti;
unsigned i;
assert(r);
tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
header = (struct tgsi_header *) &tokens[0];
*header = tgsi_build_header();
*(struct tgsi_processor *) &tokens[1] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
ti = 2;
/*
* decl i0 ; Vertex pos
* decl i1 ; Luma texcoords
* decl i2 ; Chroma Cb texcoords
* decl i3 ; Chroma Cr texcoords
* decl i4 ; Ref surface top field texcoords
* decl i5 ; Ref surface bottom field texcoords (unused, packed in the same stream)
*/
for (i = 0; i < 6; i++) {
decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* decl o0 ; Vertex pos
* decl o1 ; Luma texcoords
* decl o2 ; Chroma Cb texcoords
* decl o3 ; Chroma Cr texcoords
* decl o4 ; Ref macroblock texcoords
*/
for (i = 0; i < 5; i++) {
decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* mov o0, i0 ; Move input vertex pos to output
* mov o1, i1 ; Move input luma texcoords to output
* mov o2, i2 ; Move input chroma Cb texcoords to output
* mov o3, i3 ; Move input chroma Cr texcoords to output
*/
for (i = 0; i < 4; ++i) {
inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* add o4, i0, i4 ; Translate vertex pos by motion vec to form ref macroblock texcoords */
inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 4, TGSI_FILE_INPUT, 0, TGSI_FILE_INPUT, 4);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* end */
inst = vl_end();
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
assert(ti <= max_tokens);
vs.tokens = tokens;
r->p_vs[0] = r->pipe->create_vs_state(r->pipe, &vs);
free(tokens);
}
#if 0
static void
create_field_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
{
assert(false);
}
#endif
static void
create_frame_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
{
const unsigned max_tokens = 100;
struct pipe_shader_state fs;
struct tgsi_token *tokens;
struct tgsi_header *header;
struct tgsi_full_declaration decl;
struct tgsi_full_instruction inst;
unsigned ti;
unsigned i;
assert(r);
tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
header = (struct tgsi_header *) &tokens[0];
*header = tgsi_build_header();
*(struct tgsi_processor *) &tokens[1] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
ti = 2;
/*
* decl i0 ; Luma texcoords
* decl i1 ; Chroma Cb texcoords
* decl i2 ; Chroma Cr texcoords
* decl i3 ; Ref macroblock texcoords
*/
for (i = 0; i < 4; ++i) {
decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm */
decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 0);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/* decl o0 ; Fragment color */
decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/* decl t0, t1 */
decl = vl_decl_temps(0, 1);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/*
* decl s0 ; Sampler for luma texture
* decl s1 ; Sampler for chroma Cb texture
* decl s2 ; Sampler for chroma Cr texture
* decl s3 ; Sampler for ref surface texture
*/
for (i = 0; i < 4; ++i) {
decl = vl_decl_samplers(i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* tex2d t1, i0, s0 ; Read texel from luma texture
* mov t0.x, t1.x ; Move luma sample into .x component
* tex2d t1, i1, s1 ; Read texel from chroma Cb texture
* mov t0.y, t1.x ; Move Cb sample into .y component
* tex2d t1, i2, s2 ; Read texel from chroma Cr texture
* mov t0.z, t1.x ; Move Cr sample into .z component
*/
for (i = 0; i < 3; ++i) {
inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
inst.Src[0].Register.SwizzleX = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleY = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleZ = TGSI_SWIZZLE_X;
inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_X << i;
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* mul t0, t0, c0 ; Rescale texel to correct range */
inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* tex2d t1, i3, s3 ; Read texel from ref macroblock */
inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, 3, TGSI_FILE_SAMPLER, 3);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* add o0, t0, t1 ; Add ref and differential to form final output */
inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* end */
inst = vl_end();
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
assert(ti <= max_tokens);
fs.tokens = tokens;
r->p_fs[0] = r->pipe->create_fs_state(r->pipe, &fs);
free(tokens);
}
#if 0
static void
create_field_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
{
assert(false);
}
#endif
static void
create_frame_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
{
const unsigned max_tokens = 100;
struct pipe_shader_state vs;
struct tgsi_token *tokens;
struct tgsi_header *header;
struct tgsi_full_declaration decl;
struct tgsi_full_instruction inst;
unsigned ti;
unsigned i;
assert(r);
tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
header = (struct tgsi_header *) &tokens[0];
*header = tgsi_build_header();
*(struct tgsi_processor *) &tokens[1] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
ti = 2;
/*
* decl i0 ; Vertex pos
* decl i1 ; Luma texcoords
* decl i2 ; Chroma Cb texcoords
* decl i3 ; Chroma Cr texcoords
* decl i4 ; First ref macroblock top field texcoords
* decl i5 ; First ref macroblock bottom field texcoords (unused, packed in the same stream)
* decl i6 ; Second ref macroblock top field texcoords
* decl i7 ; Second ref macroblock bottom field texcoords (unused, packed in the same stream)
*/
for (i = 0; i < 8; i++) {
decl = vl_decl_input(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* decl o0 ; Vertex pos
* decl o1 ; Luma texcoords
* decl o2 ; Chroma Cb texcoords
* decl o3 ; Chroma Cr texcoords
* decl o4 ; First ref macroblock texcoords
* decl o5 ; Second ref macroblock texcoords
*/
for (i = 0; i < 6; i++) {
decl = vl_decl_output(i == 0 ? TGSI_SEMANTIC_POSITION : TGSI_SEMANTIC_GENERIC, i, i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* mov o0, i0 ; Move input vertex pos to output
* mov o1, i1 ; Move input luma texcoords to output
* mov o2, i2 ; Move input chroma Cb texcoords to output
* mov o3, i3 ; Move input chroma Cr texcoords to output
*/
for (i = 0; i < 4; ++i) {
inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_OUTPUT, i, TGSI_FILE_INPUT, i);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/*
* add o4, i0, i4 ; Translate vertex pos by motion vec to form first ref macroblock texcoords
* add o5, i0, i6 ; Translate vertex pos by motion vec to form second ref macroblock texcoords
*/
for (i = 0; i < 2; ++i) {
inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, i + 4, TGSI_FILE_INPUT, 0, TGSI_FILE_INPUT, (i + 2) * 2);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* end */
inst = vl_end();
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
assert(ti <= max_tokens);
vs.tokens = tokens;
r->b_vs[0] = r->pipe->create_vs_state(r->pipe, &vs);
free(tokens);
}
#if 0
static void
create_field_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
{
assert(false);
}
#endif
static void
create_frame_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
{
const unsigned max_tokens = 100;
struct pipe_shader_state fs;
struct tgsi_token *tokens;
struct tgsi_header *header;
struct tgsi_full_declaration decl;
struct tgsi_full_instruction inst;
unsigned ti;
unsigned i;
assert(r);
tokens = (struct tgsi_token *) malloc(max_tokens * sizeof(struct tgsi_token));
header = (struct tgsi_header *) &tokens[0];
*header = tgsi_build_header();
*(struct tgsi_processor *) &tokens[1] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
ti = 2;
/*
* decl i0 ; Luma texcoords
* decl i1 ; Chroma Cb texcoords
* decl i2 ; Chroma Cr texcoords
* decl i3 ; First ref macroblock texcoords
* decl i4 ; Second ref macroblock texcoords
*/
for (i = 0; i < 5; ++i) {
decl = vl_decl_interpolated_input(TGSI_SEMANTIC_GENERIC, i + 1, i, i, TGSI_INTERPOLATE_LINEAR);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* decl c0 ; Scaling factor, rescales 16-bit snorm to 9-bit snorm
* decl c1 ; Constant 1/2 in .x channel to use as weight to blend past and future texels
*/
decl = vl_decl_constants(TGSI_SEMANTIC_GENERIC, 0, 0, 1);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/* decl o0 ; Fragment color */
decl = vl_decl_output(TGSI_SEMANTIC_COLOR, 0, 0, 0);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/* decl t0-t2 */
decl = vl_decl_temps(0, 2);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
/*
* decl s0 ; Sampler for luma texture
* decl s1 ; Sampler for chroma Cb texture
* decl s2 ; Sampler for chroma Cr texture
* decl s3 ; Sampler for first ref surface texture
* decl s4 ; Sampler for second ref surface texture
*/
for (i = 0; i < 5; ++i) {
decl = vl_decl_samplers(i, i);
ti += tgsi_build_full_declaration(&decl, &tokens[ti], header, max_tokens - ti);
}
/*
* tex2d t1, i0, s0 ; Read texel from luma texture
* mov t0.x, t1.x ; Move luma sample into .x component
* tex2d t1, i1, s1 ; Read texel from chroma Cb texture
* mov t0.y, t1.x ; Move Cb sample into .y component
* tex2d t1, i2, s2 ; Read texel from chroma Cr texture
* mov t0.z, t1.x ; Move Cr sample into .z component
*/
for (i = 0; i < 3; ++i) {
inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_INPUT, i, TGSI_FILE_SAMPLER, i);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
inst = vl_inst2(TGSI_OPCODE_MOV, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
inst.Src[0].Register.SwizzleX = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleY = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleZ = TGSI_SWIZZLE_X;
inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_X << i;
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* mul t0, t0, c0 ; Rescale texel to correct range */
inst = vl_inst3(TGSI_OPCODE_MUL, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_CONSTANT, 0);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/*
* tex2d t1, i3, s3 ; Read texel from first ref macroblock
* tex2d t2, i4, s4 ; Read texel from second ref macroblock
*/
for (i = 0; i < 2; ++i) {
inst = vl_tex(TGSI_TEXTURE_2D, TGSI_FILE_TEMPORARY, i + 1, TGSI_FILE_INPUT, i + 3, TGSI_FILE_SAMPLER, i + 3);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
}
/* lerp t1, c1.x, t1, t2 ; Blend past and future texels */
inst = vl_inst4(TGSI_OPCODE_LRP, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_CONSTANT, 1, TGSI_FILE_TEMPORARY, 1, TGSI_FILE_TEMPORARY, 2);
inst.Src[0].Register.SwizzleX = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleY = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleZ = TGSI_SWIZZLE_X;
inst.Src[0].Register.SwizzleW = TGSI_SWIZZLE_X;
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* add o0, t0, t1 ; Add past/future ref and differential to form final output */
inst = vl_inst3(TGSI_OPCODE_ADD, TGSI_FILE_OUTPUT, 0, TGSI_FILE_TEMPORARY, 0, TGSI_FILE_TEMPORARY, 1);
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
/* end */
inst = vl_end();
ti += tgsi_build_full_instruction(&inst, &tokens[ti], header, max_tokens - ti);
assert(ti <= max_tokens);
fs.tokens = tokens;
r->b_fs[0] = r->pipe->create_fs_state(r->pipe, &fs);
free(tokens);
}
#if 0
static void
create_field_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
{
assert(false);
}
#endif
static void
xfer_buffers_map(struct vl_mpeg12_mc_renderer *r)
{
unsigned i;
assert(r);
for (i = 0; i < 3; ++i) {
r->tex_transfer[i] = r->pipe->get_tex_transfer
(
r->pipe, r->textures.all[i],
0, 0, 0, PIPE_TRANSFER_WRITE, 0, 0,
r->textures.all[i]->width0, r->textures.all[i]->height0
);
r->texels[i] = r->pipe->transfer_map(r->pipe, r->tex_transfer[i]);
}
}
static void
xfer_buffers_unmap(struct vl_mpeg12_mc_renderer *r)
{
unsigned i;
assert(r);
for (i = 0; i < 3; ++i) {
r->pipe->transfer_unmap(r->pipe, r->tex_transfer[i]);
r->pipe->tex_transfer_destroy(r->pipe, r->tex_transfer[i]);
}
}
static bool
init_pipe_state(struct vl_mpeg12_mc_renderer *r)
{
struct pipe_sampler_state sampler;
struct pipe_vertex_element vertex_elems[8];
unsigned filters[5];
unsigned i;
assert(r);
r->viewport.scale[0] = r->pot_buffers ?
util_next_power_of_two(r->picture_width) : r->picture_width;
r->viewport.scale[1] = r->pot_buffers ?
util_next_power_of_two(r->picture_height) : r->picture_height;
r->viewport.scale[2] = 1;
r->viewport.scale[3] = 1;
r->viewport.translate[0] = 0;
r->viewport.translate[1] = 0;
r->viewport.translate[2] = 0;
r->viewport.translate[3] = 0;
r->scissor.maxx = r->pot_buffers ?
util_next_power_of_two(r->picture_width) : r->picture_width;
r->scissor.maxy = r->pot_buffers ?
util_next_power_of_two(r->picture_height) : r->picture_height;
r->fb_state.width = r->pot_buffers ?
util_next_power_of_two(r->picture_width) : r->picture_width;
r->fb_state.height = r->pot_buffers ?
util_next_power_of_two(r->picture_height) : r->picture_height;
r->fb_state.nr_cbufs = 1;
r->fb_state.zsbuf = NULL;
/* Luma filter */
filters[0] = PIPE_TEX_FILTER_NEAREST;
/* Chroma filters */
if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_444 ||
r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE) {
filters[1] = PIPE_TEX_FILTER_NEAREST;
filters[2] = PIPE_TEX_FILTER_NEAREST;
}
else {
filters[1] = PIPE_TEX_FILTER_LINEAR;
filters[2] = PIPE_TEX_FILTER_LINEAR;
}
/* Fwd, bkwd ref filters */
filters[3] = PIPE_TEX_FILTER_LINEAR;
filters[4] = PIPE_TEX_FILTER_LINEAR;
for (i = 0; i < 5; ++i) {
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.min_img_filter = filters[i];
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.mag_img_filter = filters[i];
sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
sampler.compare_func = PIPE_FUNC_ALWAYS;
sampler.normalized_coords = 1;
/*sampler.shadow_ambient = ; */
/*sampler.lod_bias = ; */
sampler.min_lod = 0;
/*sampler.max_lod = ; */
/*sampler.border_color[i] = ; */
/*sampler.max_anisotropy = ; */
r->samplers.all[i] = r->pipe->create_sampler_state(r->pipe, &sampler);
}
/* Position element */
vertex_elems[0].src_offset = 0;
vertex_elems[0].instance_divisor = 0;
vertex_elems[0].vertex_buffer_index = 0;
vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* Luma, texcoord element */
vertex_elems[1].src_offset = sizeof(struct vertex2f);
vertex_elems[1].instance_divisor = 0;
vertex_elems[1].vertex_buffer_index = 0;
vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* Chroma Cr texcoord element */
vertex_elems[2].src_offset = sizeof(struct vertex2f) * 2;
vertex_elems[2].instance_divisor = 0;
vertex_elems[2].vertex_buffer_index = 0;
vertex_elems[2].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* Chroma Cb texcoord element */
vertex_elems[3].src_offset = sizeof(struct vertex2f) * 3;
vertex_elems[3].instance_divisor = 0;
vertex_elems[3].vertex_buffer_index = 0;
vertex_elems[3].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* First ref surface top field texcoord element */
vertex_elems[4].src_offset = 0;
vertex_elems[4].instance_divisor = 0;
vertex_elems[4].vertex_buffer_index = 1;
vertex_elems[4].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* First ref surface bottom field texcoord element */
vertex_elems[5].src_offset = sizeof(struct vertex2f);
vertex_elems[5].instance_divisor = 0;
vertex_elems[5].vertex_buffer_index = 1;
vertex_elems[5].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* Second ref surface top field texcoord element */
vertex_elems[6].src_offset = 0;
vertex_elems[6].instance_divisor = 0;
vertex_elems[6].vertex_buffer_index = 2;
vertex_elems[6].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* Second ref surface bottom field texcoord element */
vertex_elems[7].src_offset = sizeof(struct vertex2f);
vertex_elems[7].instance_divisor = 0;
vertex_elems[7].vertex_buffer_index = 2;
vertex_elems[7].src_format = PIPE_FORMAT_R32G32_FLOAT;
/* need versions with 4,6 and 8 vertex elems */
r->vertex_elems[0] = r->pipe->create_vertex_elements_state(r->pipe, 4, vertex_elems);
r->vertex_elems[1] = r->pipe->create_vertex_elements_state(r->pipe, 6, vertex_elems);
r->vertex_elems[2] = r->pipe->create_vertex_elements_state(r->pipe, 8, vertex_elems);
return true;
}
static void
cleanup_pipe_state(struct vl_mpeg12_mc_renderer *r)
{
unsigned i;
assert(r);
for (i = 0; i < 5; ++i)
r->pipe->delete_sampler_state(r->pipe, r->samplers.all[i]);
for (i = 0; i < 3; i++)
r->pipe->delete_vertex_elements_state(r->pipe, r->vertex_elems[i]);
}
static bool
init_shaders(struct vl_mpeg12_mc_renderer *r)
{
assert(r);
create_intra_vert_shader(r);
create_intra_frag_shader(r);
create_frame_pred_vert_shader(r);
create_frame_pred_frag_shader(r);
create_frame_bi_pred_vert_shader(r);
create_frame_bi_pred_frag_shader(r);
return true;
}
static void
cleanup_shaders(struct vl_mpeg12_mc_renderer *r)
{
assert(r);
r->pipe->delete_vs_state(r->pipe, r->i_vs);
r->pipe->delete_fs_state(r->pipe, r->i_fs);
r->pipe->delete_vs_state(r->pipe, r->p_vs[0]);
r->pipe->delete_fs_state(r->pipe, r->p_fs[0]);
r->pipe->delete_vs_state(r->pipe, r->b_vs[0]);
r->pipe->delete_fs_state(r->pipe, r->b_fs[0]);
}
static bool
init_buffers(struct vl_mpeg12_mc_renderer *r)
{
struct pipe_texture template;
const unsigned mbw =
align(r->picture_width, MACROBLOCK_WIDTH) / MACROBLOCK_WIDTH;
const unsigned mbh =
align(r->picture_height, MACROBLOCK_HEIGHT) / MACROBLOCK_HEIGHT;
unsigned i;
assert(r);
r->macroblocks_per_batch =
mbw * (r->bufmode == VL_MPEG12_MC_RENDERER_BUFFER_PICTURE ? mbh : 1);
r->num_macroblocks = 0;
r->macroblock_buf = MALLOC(r->macroblocks_per_batch * sizeof(struct pipe_mpeg12_macroblock));
memset(&template, 0, sizeof(struct pipe_texture));
template.target = PIPE_TEXTURE_2D;
/* TODO: Accomodate HW that can't do this and also for cases when this isn't precise enough */
template.format = PIPE_FORMAT_R16_SNORM;
template.last_level = 0;
template.width0 = r->pot_buffers ?
util_next_power_of_two(r->picture_width) : r->picture_width;
template.height0 = r->pot_buffers ?
util_next_power_of_two(r->picture_height) : r->picture_height;
template.depth0 = 1;
template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_DYNAMIC;
r->textures.individual.y = r->pipe->screen->texture_create(r->pipe->screen, &template);
if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
template.width0 = r->pot_buffers ?
util_next_power_of_two(r->picture_width / 2) :
r->picture_width / 2;
template.height0 = r->pot_buffers ?
util_next_power_of_two(r->picture_height / 2) :
r->picture_height / 2;
}
else if (r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422)
template.height0 = r->pot_buffers ?
util_next_power_of_two(r->picture_height / 2) :
r->picture_height / 2;
r->textures.individual.cb =
r->pipe->screen->texture_create(r->pipe->screen, &template);
r->textures.individual.cr =
r->pipe->screen->texture_create(r->pipe->screen, &template);
r->vertex_bufs.individual.ycbcr.stride = sizeof(struct vertex2f) * 4;
r->vertex_bufs.individual.ycbcr.max_index = 24 * r->macroblocks_per_batch - 1;
r->vertex_bufs.individual.ycbcr.buffer_offset = 0;
r->vertex_bufs.individual.ycbcr.buffer = pipe_buffer_create
(
r->pipe->screen,
DEFAULT_BUF_ALIGNMENT,
PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_DISCARD,
sizeof(struct vertex2f) * 4 * 24 * r->macroblocks_per_batch
);
for (i = 1; i < 3; ++i) {
r->vertex_bufs.all[i].stride = sizeof(struct vertex2f) * 2;
r->vertex_bufs.all[i].max_index = 24 * r->macroblocks_per_batch - 1;
r->vertex_bufs.all[i].buffer_offset = 0;
r->vertex_bufs.all[i].buffer = pipe_buffer_create
(
r->pipe->screen,
DEFAULT_BUF_ALIGNMENT,
PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_DISCARD,
sizeof(struct vertex2f) * 2 * 24 * r->macroblocks_per_batch
);
}
r->vs_const_buf = pipe_buffer_create
(
r->pipe->screen,
DEFAULT_BUF_ALIGNMENT,
PIPE_BUFFER_USAGE_CONSTANT | PIPE_BUFFER_USAGE_DISCARD,
sizeof(struct vertex_shader_consts)
);
r->fs_const_buf = pipe_buffer_create
(
r->pipe->screen,
DEFAULT_BUF_ALIGNMENT,
PIPE_BUFFER_USAGE_CONSTANT, sizeof(struct fragment_shader_consts)
);
memcpy
(
pipe_buffer_map(r->pipe->screen, r->fs_const_buf, PIPE_BUFFER_USAGE_CPU_WRITE),
&fs_consts, sizeof(struct fragment_shader_consts)
);
pipe_buffer_unmap(r->pipe->screen, r->fs_const_buf);
return true;
}
static void
cleanup_buffers(struct vl_mpeg12_mc_renderer *r)
{
unsigned i;
assert(r);
pipe_buffer_reference(&r->vs_const_buf, NULL);
pipe_buffer_reference(&r->fs_const_buf, NULL);
for (i = 0; i < 3; ++i)
pipe_buffer_reference(&r->vertex_bufs.all[i].buffer, NULL);
for (i = 0; i < 3; ++i)
pipe_texture_reference(&r->textures.all[i], NULL);
FREE(r->macroblock_buf);
}
static enum MACROBLOCK_TYPE
get_macroblock_type(struct pipe_mpeg12_macroblock *mb)
{
assert(mb);
switch (mb->mb_type) {
case PIPE_MPEG12_MACROBLOCK_TYPE_INTRA:
return MACROBLOCK_TYPE_INTRA;
case PIPE_MPEG12_MACROBLOCK_TYPE_FWD:
return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
MACROBLOCK_TYPE_FWD_FRAME_PRED : MACROBLOCK_TYPE_FWD_FIELD_PRED;
case PIPE_MPEG12_MACROBLOCK_TYPE_BKWD:
return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
MACROBLOCK_TYPE_BKWD_FRAME_PRED : MACROBLOCK_TYPE_BKWD_FIELD_PRED;
case PIPE_MPEG12_MACROBLOCK_TYPE_BI:
return mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME ?
MACROBLOCK_TYPE_BI_FRAME_PRED : MACROBLOCK_TYPE_BI_FIELD_PRED;
default:
assert(0);
}
/* Unreachable */
return -1;
}
/* XXX: One of these days this will have to be killed with fire */
#define SET_BLOCK(vb, cbp, mbx, mby, unitx, unity, ofsx, ofsy, hx, hy, lm, cbm, crm, use_zb, zb) \
do { \
(vb)[0].pos.x = (mbx) * (unitx) + (ofsx); (vb)[0].pos.y = (mby) * (unity) + (ofsy); \
(vb)[1].pos.x = (mbx) * (unitx) + (ofsx); (vb)[1].pos.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[2].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].pos.y = (mby) * (unity) + (ofsy); \
(vb)[3].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].pos.y = (mby) * (unity) + (ofsy); \
(vb)[4].pos.x = (mbx) * (unitx) + (ofsx); (vb)[4].pos.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[5].pos.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].pos.y = (mby) * (unity) + (ofsy) + (hy); \
\
if (!use_zb || (cbp) & (lm)) \
{ \
(vb)[0].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].luma_tc.y = (mby) * (unity) + (ofsy); \
(vb)[1].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[2].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].luma_tc.y = (mby) * (unity) + (ofsy); \
(vb)[3].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].luma_tc.y = (mby) * (unity) + (ofsy); \
(vb)[4].luma_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[5].luma_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].luma_tc.y = (mby) * (unity) + (ofsy) + (hy); \
} \
else \
{ \
(vb)[0].luma_tc.x = (zb)[0].x; (vb)[0].luma_tc.y = (zb)[0].y; \
(vb)[1].luma_tc.x = (zb)[0].x; (vb)[1].luma_tc.y = (zb)[0].y + (hy); \
(vb)[2].luma_tc.x = (zb)[0].x + (hx); (vb)[2].luma_tc.y = (zb)[0].y; \
(vb)[3].luma_tc.x = (zb)[0].x + (hx); (vb)[3].luma_tc.y = (zb)[0].y; \
(vb)[4].luma_tc.x = (zb)[0].x; (vb)[4].luma_tc.y = (zb)[0].y + (hy); \
(vb)[5].luma_tc.x = (zb)[0].x + (hx); (vb)[5].luma_tc.y = (zb)[0].y + (hy); \
} \
\
if (!use_zb || (cbp) & (cbm)) \
{ \
(vb)[0].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].cb_tc.y = (mby) * (unity) + (ofsy); \
(vb)[1].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[2].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].cb_tc.y = (mby) * (unity) + (ofsy); \
(vb)[3].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].cb_tc.y = (mby) * (unity) + (ofsy); \
(vb)[4].cb_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[5].cb_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].cb_tc.y = (mby) * (unity) + (ofsy) + (hy); \
} \
else \
{ \
(vb)[0].cb_tc.x = (zb)[1].x; (vb)[0].cb_tc.y = (zb)[1].y; \
(vb)[1].cb_tc.x = (zb)[1].x; (vb)[1].cb_tc.y = (zb)[1].y + (hy); \
(vb)[2].cb_tc.x = (zb)[1].x + (hx); (vb)[2].cb_tc.y = (zb)[1].y; \
(vb)[3].cb_tc.x = (zb)[1].x + (hx); (vb)[3].cb_tc.y = (zb)[1].y; \
(vb)[4].cb_tc.x = (zb)[1].x; (vb)[4].cb_tc.y = (zb)[1].y + (hy); \
(vb)[5].cb_tc.x = (zb)[1].x + (hx); (vb)[5].cb_tc.y = (zb)[1].y + (hy); \
} \
\
if (!use_zb || (cbp) & (crm)) \
{ \
(vb)[0].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[0].cr_tc.y = (mby) * (unity) + (ofsy); \
(vb)[1].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[1].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[2].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[2].cr_tc.y = (mby) * (unity) + (ofsy); \
(vb)[3].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[3].cr_tc.y = (mby) * (unity) + (ofsy); \
(vb)[4].cr_tc.x = (mbx) * (unitx) + (ofsx); (vb)[4].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
(vb)[5].cr_tc.x = (mbx) * (unitx) + (ofsx) + (hx); (vb)[5].cr_tc.y = (mby) * (unity) + (ofsy) + (hy); \
} \
else \
{ \
(vb)[0].cr_tc.x = (zb)[2].x; (vb)[0].cr_tc.y = (zb)[2].y; \
(vb)[1].cr_tc.x = (zb)[2].x; (vb)[1].cr_tc.y = (zb)[2].y + (hy); \
(vb)[2].cr_tc.x = (zb)[2].x + (hx); (vb)[2].cr_tc.y = (zb)[2].y; \
(vb)[3].cr_tc.x = (zb)[2].x + (hx); (vb)[3].cr_tc.y = (zb)[2].y; \
(vb)[4].cr_tc.x = (zb)[2].x; (vb)[4].cr_tc.y = (zb)[2].y + (hy); \
(vb)[5].cr_tc.x = (zb)[2].x + (hx); (vb)[5].cr_tc.y = (zb)[2].y + (hy); \
} \
} while (0)
static void
gen_macroblock_verts(struct vl_mpeg12_mc_renderer *r,
struct pipe_mpeg12_macroblock *mb, unsigned pos,
struct vert_stream_0 *ycbcr_vb, struct vertex2f **ref_vb)
{
struct vertex2f mo_vec[2];
unsigned i;
assert(r);
assert(mb);
assert(ycbcr_vb);
assert(pos < r->macroblocks_per_batch);
mo_vec[1].x = 0;
mo_vec[1].y = 0;
switch (mb->mb_type) {
case PIPE_MPEG12_MACROBLOCK_TYPE_BI:
{
struct vertex2f *vb;
assert(ref_vb && ref_vb[1]);
vb = ref_vb[1] + pos * 2 * 24;
mo_vec[0].x = mb->pmv[0][1][0] * 0.5f * r->surface_tex_inv_size.x;
mo_vec[0].y = mb->pmv[0][1][1] * 0.5f * r->surface_tex_inv_size.y;
if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FRAME) {
for (i = 0; i < 24 * 2; i += 2) {
vb[i].x = mo_vec[0].x;
vb[i].y = mo_vec[0].y;
}
}
else {
mo_vec[1].x = mb->pmv[1][1][0] * 0.5f * r->surface_tex_inv_size.x;
mo_vec[1].y = mb->pmv[1][1][1] * 0.5f * r->surface_tex_inv_size.y;
for (i = 0; i < 24 * 2; i += 2) {
vb[i].x = mo_vec[0].x;
vb[i].y = mo_vec[0].y;
vb[i + 1].x = mo_vec[1].x;
vb[i + 1].y = mo_vec[1].y;
}
}
/* fall-through */
}
case PIPE_MPEG12_MACROBLOCK_TYPE_FWD:
case PIPE_MPEG12_MACROBLOCK_TYPE_BKWD:
{
struct vertex2f *vb;
assert(ref_vb && ref_vb[0]);
vb = ref_vb[0] + pos * 2 * 24;
if (mb->mb_type == PIPE_MPEG12_MACROBLOCK_TYPE_BKWD) {
mo_vec[0].x = mb->pmv[0][1][0] * 0.5f * r->surface_tex_inv_size.x;
mo_vec[0].y = mb->pmv[0][1][1] * 0.5f * r->surface_tex_inv_size.y;
if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FIELD) {
mo_vec[1].x = mb->pmv[1][1][0] * 0.5f * r->surface_tex_inv_size.x;
mo_vec[1].y = mb->pmv[1][1][1] * 0.5f * r->surface_tex_inv_size.y;
}
}
else {
mo_vec[0].x = mb->pmv[0][0][0] * 0.5f * r->surface_tex_inv_size.x;
mo_vec[0].y = mb->pmv[0][0][1] * 0.5f * r->surface_tex_inv_size.y;
if (mb->mo_type == PIPE_MPEG12_MOTION_TYPE_FIELD) {
mo_vec[1].x = mb->pmv[1][0][0] * 0.5f * r->surface_tex_inv_size.x;
mo_vec[1].y = mb->pmv[1][0][1] * 0.5f * r->surface_tex_inv_size.y;
}
}
if (mb->mb_type == PIPE_MPEG12_MOTION_TYPE_FRAME) {
for (i = 0; i < 24 * 2; i += 2) {
vb[i].x = mo_vec[0].x;
vb[i].y = mo_vec[0].y;
}
}
else {
for (i = 0; i < 24 * 2; i += 2) {
vb[i].x = mo_vec[0].x;
vb[i].y = mo_vec[0].y;
vb[i + 1].x = mo_vec[1].x;
vb[i + 1].y = mo_vec[1].y;
}
}
/* fall-through */
}
case PIPE_MPEG12_MACROBLOCK_TYPE_INTRA:
{
const struct vertex2f unit =
{
r->surface_tex_inv_size.x * MACROBLOCK_WIDTH,
r->surface_tex_inv_size.y * MACROBLOCK_HEIGHT
};
const struct vertex2f half =
{
r->surface_tex_inv_size.x * (MACROBLOCK_WIDTH / 2),
r->surface_tex_inv_size.y * (MACROBLOCK_HEIGHT / 2)
};
const bool use_zb = r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE;
struct vert_stream_0 *vb = ycbcr_vb + pos * 24;
SET_BLOCK(vb, mb->cbp, mb->mbx, mb->mby,
unit.x, unit.y, 0, 0, half.x, half.y,
32, 2, 1, use_zb, r->zero_block);
SET_BLOCK(vb + 6, mb->cbp, mb->mbx, mb->mby,
unit.x, unit.y, half.x, 0, half.x, half.y,
16, 2, 1, use_zb, r->zero_block);
SET_BLOCK(vb + 12, mb->cbp, mb->mbx, mb->mby,
unit.x, unit.y, 0, half.y, half.x, half.y,
8, 2, 1, use_zb, r->zero_block);
SET_BLOCK(vb + 18, mb->cbp, mb->mbx, mb->mby,
unit.x, unit.y, half.x, half.y, half.x, half.y,
4, 2, 1, use_zb, r->zero_block);
break;
}
default:
assert(0);
}
}
static void
gen_macroblock_stream(struct vl_mpeg12_mc_renderer *r,
unsigned *num_macroblocks)
{
unsigned offset[NUM_MACROBLOCK_TYPES];
struct vert_stream_0 *ycbcr_vb;
struct vertex2f *ref_vb[2];
unsigned i;
assert(r);
assert(num_macroblocks);
for (i = 0; i < r->num_macroblocks; ++i) {
enum MACROBLOCK_TYPE mb_type = get_macroblock_type(&r->macroblock_buf[i]);
++num_macroblocks[mb_type];
}
offset[0] = 0;
for (i = 1; i < NUM_MACROBLOCK_TYPES; ++i)
offset[i] = offset[i - 1] + num_macroblocks[i - 1];
ycbcr_vb = (struct vert_stream_0 *)pipe_buffer_map
(
r->pipe->screen,
r->vertex_bufs.individual.ycbcr.buffer,
PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
);
for (i = 0; i < 2; ++i)
ref_vb[i] = (struct vertex2f *)pipe_buffer_map
(
r->pipe->screen,
r->vertex_bufs.individual.ref[i].buffer,
PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
);
for (i = 0; i < r->num_macroblocks; ++i) {
enum MACROBLOCK_TYPE mb_type = get_macroblock_type(&r->macroblock_buf[i]);
gen_macroblock_verts(r, &r->macroblock_buf[i], offset[mb_type],
ycbcr_vb, ref_vb);
++offset[mb_type];
}
pipe_buffer_unmap(r->pipe->screen, r->vertex_bufs.individual.ycbcr.buffer);
for (i = 0; i < 2; ++i)
pipe_buffer_unmap(r->pipe->screen, r->vertex_bufs.individual.ref[i].buffer);
}
static void
flush(struct vl_mpeg12_mc_renderer *r)
{
unsigned num_macroblocks[NUM_MACROBLOCK_TYPES] = { 0 };
unsigned vb_start = 0;
struct vertex_shader_consts *vs_consts;
unsigned i;
assert(r);
assert(r->num_macroblocks == r->macroblocks_per_batch);
gen_macroblock_stream(r, num_macroblocks);
r->fb_state.cbufs[0] = r->pipe->screen->get_tex_surface
(
r->pipe->screen, r->surface,
0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE
);
r->pipe->set_framebuffer_state(r->pipe, &r->fb_state);
r->pipe->set_viewport_state(r->pipe, &r->viewport);
r->pipe->set_scissor_state(r->pipe, &r->scissor);
vs_consts = pipe_buffer_map
(
r->pipe->screen, r->vs_const_buf,
PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
);
vs_consts->denorm.x = r->surface->width0;
vs_consts->denorm.y = r->surface->height0;
pipe_buffer_unmap(r->pipe->screen, r->vs_const_buf);
r->pipe->set_constant_buffer(r->pipe, PIPE_SHADER_VERTEX, 0,
r->vs_const_buf);
r->pipe->set_constant_buffer(r->pipe, PIPE_SHADER_FRAGMENT, 0,
r->fs_const_buf);
if (num_macroblocks[MACROBLOCK_TYPE_INTRA] > 0) {
r->pipe->set_vertex_buffers(r->pipe, 1, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[0]);
r->pipe->set_fragment_sampler_textures(r->pipe, 3, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 3, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->i_vs);
r->pipe->bind_fs_state(r->pipe, r->i_fs);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_INTRA] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_INTRA] * 24;
}
if (num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] > 0) {
r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[1]);
r->textures.individual.ref[0] = r->past;
r->pipe->set_fragment_sampler_textures(r->pipe, 4, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 4, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->p_vs[0]);
r->pipe->bind_fs_state(r->pipe, r->p_fs[0]);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_FWD_FRAME_PRED] * 24;
}
if (false /*num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] > 0 */ ) {
r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[1]);
r->textures.individual.ref[0] = r->past;
r->pipe->set_fragment_sampler_textures(r->pipe, 4, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 4, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->p_vs[1]);
r->pipe->bind_fs_state(r->pipe, r->p_fs[1]);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_FWD_FIELD_PRED] * 24;
}
if (num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] > 0) {
r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[1]);
r->textures.individual.ref[0] = r->future;
r->pipe->set_fragment_sampler_textures(r->pipe, 4, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 4, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->p_vs[0]);
r->pipe->bind_fs_state(r->pipe, r->p_fs[0]);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_BKWD_FRAME_PRED] * 24;
}
if (false /*num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] > 0 */ ) {
r->pipe->set_vertex_buffers(r->pipe, 2, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[1]);
r->textures.individual.ref[0] = r->future;
r->pipe->set_fragment_sampler_textures(r->pipe, 4, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 4, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->p_vs[1]);
r->pipe->bind_fs_state(r->pipe, r->p_fs[1]);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_BKWD_FIELD_PRED] * 24;
}
if (num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] > 0) {
r->pipe->set_vertex_buffers(r->pipe, 3, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[2]);
r->textures.individual.ref[0] = r->past;
r->textures.individual.ref[1] = r->future;
r->pipe->set_fragment_sampler_textures(r->pipe, 5, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 5, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->b_vs[0]);
r->pipe->bind_fs_state(r->pipe, r->b_fs[0]);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_BI_FRAME_PRED] * 24;
}
if (false /*num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] > 0 */ ) {
r->pipe->set_vertex_buffers(r->pipe, 3, r->vertex_bufs.all);
r->pipe->bind_vertex_elements_state(r->pipe, r->vertex_elems[2]);
r->textures.individual.ref[0] = r->past;
r->textures.individual.ref[1] = r->future;
r->pipe->set_fragment_sampler_textures(r->pipe, 5, r->textures.all);
r->pipe->bind_fragment_sampler_states(r->pipe, 5, r->samplers.all);
r->pipe->bind_vs_state(r->pipe, r->b_vs[1]);
r->pipe->bind_fs_state(r->pipe, r->b_fs[1]);
r->pipe->draw_arrays(r->pipe, PIPE_PRIM_TRIANGLES, vb_start,
num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] * 24);
vb_start += num_macroblocks[MACROBLOCK_TYPE_BI_FIELD_PRED] * 24;
}
r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, r->fence);
pipe_surface_reference(&r->fb_state.cbufs[0], NULL);
if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE)
for (i = 0; i < 3; ++i)
r->zero_block[i].x = ZERO_BLOCK_NIL;
r->num_macroblocks = 0;
}
static void
grab_frame_coded_block(short *src, short *dst, unsigned dst_pitch)
{
unsigned y;
assert(src);
assert(dst);
for (y = 0; y < BLOCK_HEIGHT; ++y)
memcpy(dst + y * dst_pitch, src + y * BLOCK_WIDTH, BLOCK_WIDTH * 2);
}
static void
grab_field_coded_block(short *src, short *dst, unsigned dst_pitch)
{
unsigned y;
assert(src);
assert(dst);
for (y = 0; y < BLOCK_HEIGHT; ++y)
memcpy(dst + y * dst_pitch * 2, src + y * BLOCK_WIDTH, BLOCK_WIDTH * 2);
}
static void
fill_zero_block(short *dst, unsigned dst_pitch)
{
unsigned y;
assert(dst);
for (y = 0; y < BLOCK_HEIGHT; ++y)
memset(dst + y * dst_pitch, 0, BLOCK_WIDTH * 2);
}
static void
grab_blocks(struct vl_mpeg12_mc_renderer *r, unsigned mbx, unsigned mby,
enum pipe_mpeg12_dct_type dct_type, unsigned cbp, short *blocks)
{
unsigned tex_pitch;
short *texels;
unsigned tb = 0, sb = 0;
unsigned mbpx = mbx * MACROBLOCK_WIDTH, mbpy = mby * MACROBLOCK_HEIGHT;
unsigned x, y;
assert(r);
assert(blocks);
tex_pitch = r->tex_transfer[0]->stride / util_format_get_blocksize(r->tex_transfer[0]->texture->format);
texels = r->texels[0] + mbpy * tex_pitch + mbpx;
for (y = 0; y < 2; ++y) {
for (x = 0; x < 2; ++x, ++tb) {
if ((cbp >> (5 - tb)) & 1) {
if (dct_type == PIPE_MPEG12_DCT_TYPE_FRAME) {
grab_frame_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT,
texels + y * tex_pitch * BLOCK_WIDTH +
x * BLOCK_WIDTH, tex_pitch);
}
else {
grab_field_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT,
texels + y * tex_pitch + x * BLOCK_WIDTH,
tex_pitch);
}
++sb;
}
else if (r->eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE) {
if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL ||
ZERO_BLOCK_IS_NIL(r->zero_block[0])) {
fill_zero_block(texels + y * tex_pitch * BLOCK_WIDTH + x * BLOCK_WIDTH, tex_pitch);
if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE) {
r->zero_block[0].x = (mbpx + x * 8) * r->surface_tex_inv_size.x;
r->zero_block[0].y = (mbpy + y * 8) * r->surface_tex_inv_size.y;
}
}
}
}
}
/* TODO: Implement 422, 444 */
assert(r->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
mbpx /= 2;
mbpy /= 2;
for (tb = 0; tb < 2; ++tb) {
tex_pitch = r->tex_transfer[tb + 1]->stride / util_format_get_blocksize(r->tex_transfer[tb + 1]->texture->format);
texels = r->texels[tb + 1] + mbpy * tex_pitch + mbpx;
if ((cbp >> (1 - tb)) & 1) {
grab_frame_coded_block(blocks + sb * BLOCK_WIDTH * BLOCK_HEIGHT, texels, tex_pitch);
++sb;
}
else if (r->eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE) {
if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL ||
ZERO_BLOCK_IS_NIL(r->zero_block[tb + 1])) {
fill_zero_block(texels, tex_pitch);
if (r->eb_handling == VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE) {
r->zero_block[tb + 1].x = (mbpx << 1) * r->surface_tex_inv_size.x;
r->zero_block[tb + 1].y = (mbpy << 1) * r->surface_tex_inv_size.y;
}
}
}
}
}
static void
grab_macroblock(struct vl_mpeg12_mc_renderer *r,
struct pipe_mpeg12_macroblock *mb)
{
assert(r);
assert(mb);
assert(r->num_macroblocks < r->macroblocks_per_batch);
memcpy(&r->macroblock_buf[r->num_macroblocks], mb,
sizeof(struct pipe_mpeg12_macroblock));
grab_blocks(r, mb->mbx, mb->mby, mb->dct_type, mb->cbp, mb->blocks);
++r->num_macroblocks;
}
bool
vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
struct pipe_context *pipe,
unsigned picture_width,
unsigned picture_height,
enum pipe_video_chroma_format chroma_format,
enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
bool pot_buffers)
{
unsigned i;
assert(renderer);
assert(pipe);
/* TODO: Implement other policies */
assert(bufmode == VL_MPEG12_MC_RENDERER_BUFFER_PICTURE);
/* TODO: Implement this */
/* XXX: XFER_ALL sampling issue at block edges when using bilinear filtering */
assert(eb_handling != VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE);
/* TODO: Non-pot buffers untested, probably doesn't work without changes to texcoord generation, vert shader, etc */
assert(pot_buffers);
memset(renderer, 0, sizeof(struct vl_mpeg12_mc_renderer));
renderer->pipe = pipe;
renderer->picture_width = picture_width;
renderer->picture_height = picture_height;
renderer->chroma_format = chroma_format;
renderer->bufmode = bufmode;
renderer->eb_handling = eb_handling;
renderer->pot_buffers = pot_buffers;
if (!init_pipe_state(renderer))
return false;
if (!init_shaders(renderer)) {
cleanup_pipe_state(renderer);
return false;
}
if (!init_buffers(renderer)) {
cleanup_shaders(renderer);
cleanup_pipe_state(renderer);
return false;
}
renderer->surface = NULL;
renderer->past = NULL;
renderer->future = NULL;
for (i = 0; i < 3; ++i)
renderer->zero_block[i].x = ZERO_BLOCK_NIL;
renderer->num_macroblocks = 0;
xfer_buffers_map(renderer);
return true;
}
void
vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer)
{
assert(renderer);
xfer_buffers_unmap(renderer);
cleanup_pipe_state(renderer);
cleanup_shaders(renderer);
cleanup_buffers(renderer);
}
void
vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer
*renderer,
struct pipe_texture *surface,
struct pipe_texture *past,
struct pipe_texture *future,
unsigned num_macroblocks,
struct pipe_mpeg12_macroblock
*mpeg12_macroblocks,
struct pipe_fence_handle **fence)
{
bool new_surface = false;
assert(renderer);
assert(surface);
assert(num_macroblocks);
assert(mpeg12_macroblocks);
if (renderer->surface) {
if (surface != renderer->surface) {
if (renderer->num_macroblocks > 0) {
xfer_buffers_unmap(renderer);
flush(renderer);
}
new_surface = true;
}
/* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
assert(surface != renderer->surface || renderer->past == past);
assert(surface != renderer->surface || renderer->future == future);
}
else
new_surface = true;
if (new_surface) {
renderer->surface = surface;
renderer->past = past;
renderer->future = future;
renderer->fence = fence;
renderer->surface_tex_inv_size.x = 1.0f / surface->width0;
renderer->surface_tex_inv_size.y = 1.0f / surface->height0;
}
while (num_macroblocks) {
unsigned left_in_batch = renderer->macroblocks_per_batch - renderer->num_macroblocks;
unsigned num_to_submit = MIN2(num_macroblocks, left_in_batch);
unsigned i;
for (i = 0; i < num_to_submit; ++i) {
assert(mpeg12_macroblocks[i].base.codec == PIPE_VIDEO_CODEC_MPEG12);
grab_macroblock(renderer, &mpeg12_macroblocks[i]);
}
num_macroblocks -= num_to_submit;
if (renderer->num_macroblocks == renderer->macroblocks_per_batch) {
xfer_buffers_unmap(renderer);
flush(renderer);
xfer_buffers_map(renderer);
/* Next time we get this surface it may have new ref frames */
renderer->surface = NULL;
}
}
}