diff options
Diffstat (limited to 'src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c')
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c | 1672 |
1 files changed, 0 insertions, 1672 deletions
diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c deleted file mode 100644 index beb4722901e..00000000000 --- a/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c +++ /dev/null @@ -1,1672 +0,0 @@ -/************************************************************************** - * - * 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; - } - } -} |