summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c')
-rw-r--r--src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c1660
1 files changed, 1660 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
new file mode 100644
index 00000000000..c4ba69817f9
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
@@ -0,0 +1,1660 @@
+/**************************************************************************
+ *
+ * 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 <pipe/p_inlines.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));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * 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));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * 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.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullDstRegisters[0].DstRegister.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));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * 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);
+}
+
+static void
+create_field_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+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));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * 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.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullDstRegisters[0].DstRegister.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);
+}
+
+static void
+create_field_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+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));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_VERTEX, header);
+
+ ti = 3;
+
+ /*
+ * 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);
+}
+
+static void
+create_field_bi_pred_vert_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+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));
+ *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
+ header = (struct tgsi_header *) &tokens[1];
+ *header = tgsi_build_header();
+ *(struct tgsi_processor *) &tokens[2] = tgsi_build_processor(TGSI_PROCESSOR_FRAGMENT, header);
+
+ ti = 3;
+
+ /*
+ * 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.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullDstRegisters[0].DstRegister.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.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_X;
+ inst.FullSrcRegisters[0].SrcRegister.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);
+}
+
+static void
+create_field_bi_pred_frag_shader(struct vl_mpeg12_mc_renderer *r)
+{
+ assert(false);
+}
+
+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->screen->get_tex_transfer
+ (
+ r->pipe->screen, r->textures.all[i],
+ 0, 0, 0, PIPE_TRANSFER_WRITE, 0, 0,
+ r->textures.all[i]->width[0], r->textures.all[i]->height[0]
+ );
+
+ r->texels[i] = r->pipe->screen->transfer_map(r->pipe->screen, 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->screen->transfer_unmap(r->pipe->screen, r->tex_transfer[i]);
+ r->pipe->screen->tex_transfer_destroy(r->tex_transfer[i]);
+ }
+}
+
+static bool
+init_pipe_state(struct vl_mpeg12_mc_renderer *r)
+{
+ struct pipe_sampler_state sampler;
+ 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.prefilter = ; */
+ /*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);
+ }
+
+ 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]);
+}
+
+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.width[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_width) : r->picture_width;
+ template.height[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_height) : r->picture_height;
+ template.depth[0] = 1;
+ pf_get_block(template.format, &template.block);
+ 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.width[0] = r->pot_buffers ?
+ util_next_power_of_two(r->picture_width / 2) :
+ r->picture_width / 2;
+ template.height[0] = 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.height[0] = 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
+ );
+ }
+
+ /* Position element */
+ r->vertex_elems[0].src_offset = 0;
+ r->vertex_elems[0].vertex_buffer_index = 0;
+ r->vertex_elems[0].nr_components = 2;
+ r->vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Luma, texcoord element */
+ r->vertex_elems[1].src_offset = sizeof(struct vertex2f);
+ r->vertex_elems[1].vertex_buffer_index = 0;
+ r->vertex_elems[1].nr_components = 2;
+ r->vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Chroma Cr texcoord element */
+ r->vertex_elems[2].src_offset = sizeof(struct vertex2f) * 2;
+ r->vertex_elems[2].vertex_buffer_index = 0;
+ r->vertex_elems[2].nr_components = 2;
+ r->vertex_elems[2].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Chroma Cb texcoord element */
+ r->vertex_elems[3].src_offset = sizeof(struct vertex2f) * 3;
+ r->vertex_elems[3].vertex_buffer_index = 0;
+ r->vertex_elems[3].nr_components = 2;
+ r->vertex_elems[3].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* First ref surface top field texcoord element */
+ r->vertex_elems[4].src_offset = 0;
+ r->vertex_elems[4].vertex_buffer_index = 1;
+ r->vertex_elems[4].nr_components = 2;
+ r->vertex_elems[4].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* First ref surface bottom field texcoord element */
+ r->vertex_elems[5].src_offset = sizeof(struct vertex2f);
+ r->vertex_elems[5].vertex_buffer_index = 1;
+ r->vertex_elems[5].nr_components = 2;
+ r->vertex_elems[5].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Second ref surface top field texcoord element */
+ r->vertex_elems[6].src_offset = 0;
+ r->vertex_elems[6].vertex_buffer_index = 2;
+ r->vertex_elems[6].nr_components = 2;
+ r->vertex_elems[6].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Second ref surface bottom field texcoord element */
+ r->vertex_elems[7].src_offset = sizeof(struct vertex2f);
+ r->vertex_elems[7].vertex_buffer_index = 2;
+ r->vertex_elems[7].nr_components = 2;
+ r->vertex_elems[7].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ r->vs_const_buf.buffer = 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.buffer = 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.buffer, PIPE_BUFFER_USAGE_CPU_WRITE),
+ &fs_consts, sizeof(struct fragment_shader_consts)
+ );
+
+ pipe_buffer_unmap(r->pipe->screen, r->fs_const_buf.buffer);
+
+ return true;
+}
+
+static void
+cleanup_buffers(struct vl_mpeg12_mc_renderer *r)
+{
+ unsigned i;
+
+ assert(r);
+
+ pipe_buffer_reference(&r->vs_const_buf.buffer, NULL);
+ pipe_buffer_reference(&r->fs_const_buf.buffer, 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);
+
+ 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.buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE | PIPE_BUFFER_USAGE_DISCARD
+ );
+
+ vs_consts->denorm.x = r->surface->width[0];
+ vs_consts->denorm.y = r->surface->height[0];
+
+ pipe_buffer_unmap(r->pipe->screen, r->vs_const_buf.buffer);
+
+ 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->set_vertex_elements(r->pipe, 4, r->vertex_elems);
+ r->pipe->set_sampler_textures(r->pipe, 3, r->textures.all);
+ r->pipe->bind_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->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_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->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_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->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_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->set_vertex_elements(r->pipe, 6, r->vertex_elems);
+ r->textures.individual.ref[0] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 4, r->textures.all);
+ r->pipe->bind_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->set_vertex_elements(r->pipe, 8, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->textures.individual.ref[1] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 5, r->textures.all);
+ r->pipe->bind_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->set_vertex_elements(r->pipe, 8, r->vertex_elems);
+ r->textures.individual.ref[0] = r->past;
+ r->textures.individual.ref[1] = r->future;
+ r->pipe->set_sampler_textures(r->pipe, 5, r->textures.all);
+ r->pipe->bind_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 / r->tex_transfer[0]->block.size;
+ 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 / r->tex_transfer[tb + 1]->block.size;
+ 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->width[0];
+ renderer->surface_tex_inv_size.y = 1.0f / surface->height[0];
+ }
+
+ 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;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-20 03:00:52 +0000