649 lines
20 KiB
C
649 lines
20 KiB
C
/**************************************************************************
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*
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* Copyright 2009 Younes Manton.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <assert.h>
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#include "pipe/p_context.h"
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#include "util/u_sampler.h"
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#include "util/u_draw.h"
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#include "tgsi/tgsi_ureg.h"
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#include "vl_defines.h"
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#include "vl_vertex_buffers.h"
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#include "vl_mc.h"
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#include "vl_idct.h"
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enum VS_OUTPUT
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{
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VS_O_VPOS = 0,
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VS_O_VTOP = 0,
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VS_O_VBOTTOM,
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VS_O_FLAGS = VS_O_VTOP,
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VS_O_VTEX = VS_O_VBOTTOM
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};
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static struct ureg_dst
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calc_position(struct vl_mc *r, struct ureg_program *shader, struct ureg_src block_scale)
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{
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struct ureg_src vrect, vpos;
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struct ureg_dst t_vpos;
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struct ureg_dst o_vpos;
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vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
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vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
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t_vpos = ureg_DECL_temporary(shader);
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o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
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/*
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* block_scale = (VL_MACROBLOCK_WIDTH, VL_MACROBLOCK_HEIGHT) / (dst.width, dst.height)
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*
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* t_vpos = (vpos + vrect) * block_scale
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* o_vpos.xy = t_vpos
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* o_vpos.zw = vpos
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*/
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ureg_ADD(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), vpos, vrect);
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ureg_MUL(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos), block_scale);
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ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
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ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f));
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return t_vpos;
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}
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static struct ureg_dst
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calc_line(struct ureg_program *shader)
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{
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struct ureg_dst tmp;
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struct ureg_src pos;
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tmp = ureg_DECL_temporary(shader);
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pos = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS, TGSI_INTERPOLATE_LINEAR);
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/*
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* tmp.y = fraction(pos.y / 2) >= 0.5 ? 1 : 0
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*/
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ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), pos, ureg_imm1f(shader, 0.5f));
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ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp));
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ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp), ureg_imm1f(shader, 0.5f));
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return tmp;
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}
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static void *
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create_ref_vert_shader(struct vl_mc *r)
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{
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struct ureg_program *shader;
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struct ureg_src mv_scale;
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struct ureg_src vmv[2];
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struct ureg_dst t_vpos;
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struct ureg_dst o_vmv[2];
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unsigned i;
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shader = ureg_create(TGSI_PROCESSOR_VERTEX);
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if (!shader)
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return NULL;
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vmv[0] = ureg_DECL_vs_input(shader, VS_I_MV_TOP);
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vmv[1] = ureg_DECL_vs_input(shader, VS_I_MV_BOTTOM);
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t_vpos = calc_position(r, shader, ureg_imm2f(shader,
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(float)VL_MACROBLOCK_WIDTH / r->buffer_width,
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(float)VL_MACROBLOCK_HEIGHT / r->buffer_height)
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);
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o_vmv[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP);
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o_vmv[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM);
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/*
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* mv_scale.xy = 0.5 / (dst.width, dst.height);
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* mv_scale.z = 1.0f / 4.0f
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* mv_scale.w = 1.0f / 255.0f
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*
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* // Apply motion vectors
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* o_vmv[0..1].xy = vmv[0..1] * mv_scale + t_vpos
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* o_vmv[0..1].zw = vmv[0..1] * mv_scale
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*
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*/
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mv_scale = ureg_imm4f(shader,
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0.5f / r->buffer_width,
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0.5f / r->buffer_height,
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1.0f / 4.0f,
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1.0f / PIPE_VIDEO_MV_WEIGHT_MAX);
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for (i = 0; i < 2; ++i) {
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ureg_MAD(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_XY), mv_scale, vmv[i], ureg_src(t_vpos));
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ureg_MUL(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_ZW), mv_scale, vmv[i]);
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}
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ureg_release_temporary(shader, t_vpos);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, r->pipe);
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}
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static void *
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create_ref_frag_shader(struct vl_mc *r)
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{
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const float y_scale =
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r->buffer_height / 2 *
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r->macroblock_size / VL_MACROBLOCK_HEIGHT;
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struct ureg_program *shader;
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struct ureg_src tc[2], sampler;
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struct ureg_dst ref, field;
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struct ureg_dst fragment;
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unsigned label;
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shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
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if (!shader)
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return NULL;
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tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP, TGSI_INTERPOLATE_LINEAR);
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tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM, TGSI_INTERPOLATE_LINEAR);
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sampler = ureg_DECL_sampler(shader, 0);
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ref = ureg_DECL_temporary(shader);
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fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
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field = calc_line(shader);
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/*
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* ref = field.z ? tc[1] : tc[0]
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*
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* // Adjust tc acording to top/bottom field selection
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* if (|ref.z|) {
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* ref.y *= y_scale
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* ref.y = floor(ref.y)
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* ref.y += ref.z
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* ref.y /= y_scale
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* }
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* fragment.xyz = tex(ref, sampler[0])
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*/
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ureg_CMP(shader, ureg_writemask(ref, TGSI_WRITEMASK_XYZ),
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ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
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tc[1], tc[0]);
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ureg_CMP(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W),
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ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
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tc[1], tc[0]);
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ureg_IF(shader, ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z), &label);
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ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
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ureg_src(ref), ureg_imm1f(shader, y_scale));
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ureg_FLR(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), ureg_src(ref));
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ureg_ADD(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
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ureg_src(ref), ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z));
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ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
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ureg_src(ref), ureg_imm1f(shader, 1.0f / y_scale));
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ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
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ureg_ENDIF(shader);
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ureg_TEX(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), TGSI_TEXTURE_2D, ureg_src(ref), sampler);
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ureg_release_temporary(shader, ref);
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ureg_release_temporary(shader, field);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, r->pipe);
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}
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static void *
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create_ycbcr_vert_shader(struct vl_mc *r, vl_mc_ycbcr_vert_shader vs_callback, void *callback_priv)
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{
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struct ureg_program *shader;
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struct ureg_src vrect, vpos;
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struct ureg_dst t_vpos, t_vtex;
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struct ureg_dst o_vpos, o_flags;
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struct vertex2f scale = {
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(float)VL_BLOCK_WIDTH / r->buffer_width * VL_MACROBLOCK_WIDTH / r->macroblock_size,
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(float)VL_BLOCK_HEIGHT / r->buffer_height * VL_MACROBLOCK_HEIGHT / r->macroblock_size
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};
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unsigned label;
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shader = ureg_create(TGSI_PROCESSOR_VERTEX);
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if (!shader)
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return NULL;
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vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
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vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
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t_vpos = calc_position(r, shader, ureg_imm2f(shader, scale.x, scale.y));
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t_vtex = ureg_DECL_temporary(shader);
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o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
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o_flags = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS);
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/*
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* o_vtex.xy = t_vpos
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* o_flags.z = intra * 0.5
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*
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* if(interlaced) {
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* t_vtex.xy = vrect.y ? { 0, scale.y } : { -scale.y : 0 }
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* t_vtex.z = vpos.y % 2
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* t_vtex.y = t_vtex.z ? t_vtex.x : t_vtex.y
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* o_vpos.y = t_vtex.y + t_vpos.y
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*
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* o_flags.w = t_vtex.z ? 0 : 1
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* }
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*
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*/
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vs_callback(callback_priv, r, shader, VS_O_VTEX, t_vpos);
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ureg_MUL(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_Z),
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ureg_scalar(vpos, TGSI_SWIZZLE_Z), ureg_imm1f(shader, 0.5f));
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ureg_MOV(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W), ureg_imm1f(shader, -1.0f));
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if (r->macroblock_size == VL_MACROBLOCK_HEIGHT) { //TODO
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ureg_IF(shader, ureg_scalar(vpos, TGSI_SWIZZLE_W), &label);
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ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_XY),
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ureg_negate(ureg_scalar(vrect, TGSI_SWIZZLE_Y)),
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ureg_imm2f(shader, 0.0f, scale.y),
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ureg_imm2f(shader, -scale.y, 0.0f));
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ureg_MUL(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z),
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ureg_scalar(vpos, TGSI_SWIZZLE_Y), ureg_imm1f(shader, 0.5f));
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ureg_FRC(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z), ureg_src(t_vtex));
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ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Y),
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ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)),
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ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_X),
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ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Y));
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ureg_ADD(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_Y),
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ureg_src(t_vpos), ureg_src(t_vtex));
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ureg_CMP(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W),
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ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)),
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ureg_imm1f(shader, 0.0f), ureg_imm1f(shader, 1.0f));
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ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
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ureg_ENDIF(shader);
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}
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ureg_release_temporary(shader, t_vtex);
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ureg_release_temporary(shader, t_vpos);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, r->pipe);
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}
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static void *
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create_ycbcr_frag_shader(struct vl_mc *r, float scale, bool invert,
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vl_mc_ycbcr_frag_shader fs_callback, void *callback_priv)
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{
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struct ureg_program *shader;
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struct ureg_src flags;
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struct ureg_dst tmp;
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struct ureg_dst fragment;
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unsigned label;
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shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
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if (!shader)
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return NULL;
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flags = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS, TGSI_INTERPOLATE_LINEAR);
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fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
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tmp = calc_line(shader);
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/*
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* if (field == tc.w)
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* kill();
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* else {
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* fragment.xyz = tex(tc, sampler) * scale + tc.z
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* fragment.w = 1.0f
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* }
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*/
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ureg_SEQ(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y),
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ureg_scalar(flags, TGSI_SWIZZLE_W), ureg_src(tmp));
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ureg_IF(shader, ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y), &label);
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ureg_KILP(shader);
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ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
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ureg_ELSE(shader, &label);
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fs_callback(callback_priv, r, shader, VS_O_VTEX, tmp);
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if (scale != 1.0f)
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ureg_MAD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ),
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ureg_src(tmp), ureg_imm1f(shader, scale),
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ureg_scalar(flags, TGSI_SWIZZLE_Z));
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else
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ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ),
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ureg_src(tmp), ureg_scalar(flags, TGSI_SWIZZLE_Z));
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ureg_MUL(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), ureg_src(tmp), ureg_imm1f(shader, invert ? -1.0f : 1.0f));
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ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));
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ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
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ureg_ENDIF(shader);
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ureg_release_temporary(shader, tmp);
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ureg_END(shader);
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return ureg_create_shader_and_destroy(shader, r->pipe);
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}
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static bool
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init_pipe_state(struct vl_mc *r)
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{
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struct pipe_sampler_state sampler;
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struct pipe_blend_state blend;
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struct pipe_rasterizer_state rs_state;
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unsigned i;
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assert(r);
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memset(&sampler, 0, sizeof(sampler));
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sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
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sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_BORDER;
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sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
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sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
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sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
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sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
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sampler.compare_func = PIPE_FUNC_ALWAYS;
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sampler.normalized_coords = 1;
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r->sampler_ref = r->pipe->create_sampler_state(r->pipe, &sampler);
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if (!r->sampler_ref)
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goto error_sampler_ref;
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for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) {
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memset(&blend, 0, sizeof blend);
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blend.independent_blend_enable = 0;
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blend.rt[0].blend_enable = 1;
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blend.rt[0].rgb_func = PIPE_BLEND_ADD;
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blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
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blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
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blend.rt[0].alpha_func = PIPE_BLEND_ADD;
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blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
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blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
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blend.logicop_enable = 0;
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blend.logicop_func = PIPE_LOGICOP_CLEAR;
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blend.rt[0].colormask = i;
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blend.dither = 0;
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r->blend_clear[i] = r->pipe->create_blend_state(r->pipe, &blend);
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if (!r->blend_clear[i])
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goto error_blend;
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blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
|
|
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
|
|
r->blend_add[i] = r->pipe->create_blend_state(r->pipe, &blend);
|
|
if (!r->blend_add[i])
|
|
goto error_blend;
|
|
|
|
blend.rt[0].rgb_func = PIPE_BLEND_REVERSE_SUBTRACT;
|
|
blend.rt[0].alpha_dst_factor = PIPE_BLEND_REVERSE_SUBTRACT;
|
|
r->blend_sub[i] = r->pipe->create_blend_state(r->pipe, &blend);
|
|
if (!r->blend_sub[i])
|
|
goto error_blend;
|
|
}
|
|
|
|
memset(&rs_state, 0, sizeof(rs_state));
|
|
/*rs_state.sprite_coord_enable */
|
|
rs_state.sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT;
|
|
rs_state.point_quad_rasterization = true;
|
|
rs_state.point_size = VL_BLOCK_WIDTH;
|
|
rs_state.half_pixel_center = true;
|
|
rs_state.bottom_edge_rule = true;
|
|
rs_state.depth_clip = 1;
|
|
r->rs_state = r->pipe->create_rasterizer_state(r->pipe, &rs_state);
|
|
if (!r->rs_state)
|
|
goto error_rs_state;
|
|
|
|
return true;
|
|
|
|
error_rs_state:
|
|
error_blend:
|
|
for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) {
|
|
if (r->blend_sub[i])
|
|
r->pipe->delete_blend_state(r->pipe, r->blend_sub[i]);
|
|
|
|
if (r->blend_add[i])
|
|
r->pipe->delete_blend_state(r->pipe, r->blend_add[i]);
|
|
|
|
if (r->blend_clear[i])
|
|
r->pipe->delete_blend_state(r->pipe, r->blend_clear[i]);
|
|
}
|
|
|
|
r->pipe->delete_sampler_state(r->pipe, r->sampler_ref);
|
|
|
|
error_sampler_ref:
|
|
return false;
|
|
}
|
|
|
|
static void
|
|
cleanup_pipe_state(struct vl_mc *r)
|
|
{
|
|
unsigned i;
|
|
|
|
assert(r);
|
|
|
|
r->pipe->delete_sampler_state(r->pipe, r->sampler_ref);
|
|
for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) {
|
|
r->pipe->delete_blend_state(r->pipe, r->blend_clear[i]);
|
|
r->pipe->delete_blend_state(r->pipe, r->blend_add[i]);
|
|
r->pipe->delete_blend_state(r->pipe, r->blend_sub[i]);
|
|
}
|
|
r->pipe->delete_rasterizer_state(r->pipe, r->rs_state);
|
|
}
|
|
|
|
bool
|
|
vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe,
|
|
unsigned buffer_width, unsigned buffer_height,
|
|
unsigned macroblock_size, float scale,
|
|
vl_mc_ycbcr_vert_shader vs_callback,
|
|
vl_mc_ycbcr_frag_shader fs_callback,
|
|
void *callback_priv)
|
|
{
|
|
assert(renderer);
|
|
assert(pipe);
|
|
|
|
memset(renderer, 0, sizeof(struct vl_mc));
|
|
|
|
renderer->pipe = pipe;
|
|
renderer->buffer_width = buffer_width;
|
|
renderer->buffer_height = buffer_height;
|
|
renderer->macroblock_size = macroblock_size;
|
|
|
|
if (!init_pipe_state(renderer))
|
|
goto error_pipe_state;
|
|
|
|
renderer->vs_ref = create_ref_vert_shader(renderer);
|
|
if (!renderer->vs_ref)
|
|
goto error_vs_ref;
|
|
|
|
renderer->vs_ycbcr = create_ycbcr_vert_shader(renderer, vs_callback, callback_priv);
|
|
if (!renderer->vs_ycbcr)
|
|
goto error_vs_ycbcr;
|
|
|
|
renderer->fs_ref = create_ref_frag_shader(renderer);
|
|
if (!renderer->fs_ref)
|
|
goto error_fs_ref;
|
|
|
|
renderer->fs_ycbcr = create_ycbcr_frag_shader(renderer, scale, false, fs_callback, callback_priv);
|
|
if (!renderer->fs_ycbcr)
|
|
goto error_fs_ycbcr;
|
|
|
|
renderer->fs_ycbcr_sub = create_ycbcr_frag_shader(renderer, scale, true, fs_callback, callback_priv);
|
|
if (!renderer->fs_ycbcr_sub)
|
|
goto error_fs_ycbcr_sub;
|
|
|
|
return true;
|
|
|
|
error_fs_ycbcr_sub:
|
|
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr);
|
|
|
|
error_fs_ycbcr:
|
|
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ref);
|
|
|
|
error_fs_ref:
|
|
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ycbcr);
|
|
|
|
error_vs_ycbcr:
|
|
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ref);
|
|
|
|
error_vs_ref:
|
|
cleanup_pipe_state(renderer);
|
|
|
|
error_pipe_state:
|
|
return false;
|
|
}
|
|
|
|
void
|
|
vl_mc_cleanup(struct vl_mc *renderer)
|
|
{
|
|
assert(renderer);
|
|
|
|
cleanup_pipe_state(renderer);
|
|
|
|
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ref);
|
|
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ycbcr);
|
|
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ref);
|
|
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr);
|
|
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr_sub);
|
|
}
|
|
|
|
bool
|
|
vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer)
|
|
{
|
|
assert(renderer && buffer);
|
|
|
|
buffer->viewport.scale[2] = 1;
|
|
buffer->viewport.scale[3] = 1;
|
|
buffer->viewport.translate[0] = 0;
|
|
buffer->viewport.translate[1] = 0;
|
|
buffer->viewport.translate[2] = 0;
|
|
buffer->viewport.translate[3] = 0;
|
|
|
|
buffer->fb_state.nr_cbufs = 1;
|
|
buffer->fb_state.zsbuf = NULL;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer)
|
|
{
|
|
assert(buffer);
|
|
}
|
|
|
|
void
|
|
vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface)
|
|
{
|
|
assert(buffer && surface);
|
|
|
|
buffer->surface_cleared = false;
|
|
|
|
buffer->viewport.scale[0] = surface->width;
|
|
buffer->viewport.scale[1] = surface->height;
|
|
|
|
buffer->fb_state.width = surface->width;
|
|
buffer->fb_state.height = surface->height;
|
|
buffer->fb_state.cbufs[0] = surface;
|
|
}
|
|
|
|
static void
|
|
prepare_pipe_4_rendering(struct vl_mc *renderer, struct vl_mc_buffer *buffer, unsigned mask)
|
|
{
|
|
assert(buffer);
|
|
|
|
renderer->pipe->bind_rasterizer_state(renderer->pipe, renderer->rs_state);
|
|
|
|
if (buffer->surface_cleared)
|
|
renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_add[mask]);
|
|
else
|
|
renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_clear[mask]);
|
|
|
|
renderer->pipe->set_framebuffer_state(renderer->pipe, &buffer->fb_state);
|
|
renderer->pipe->set_viewport_states(renderer->pipe, 0, 1, &buffer->viewport);
|
|
}
|
|
|
|
void
|
|
vl_mc_render_ref(struct vl_mc *renderer, struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref)
|
|
{
|
|
assert(buffer && ref);
|
|
|
|
prepare_pipe_4_rendering(renderer, buffer, PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B);
|
|
|
|
renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs_ref);
|
|
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ref);
|
|
|
|
renderer->pipe->set_fragment_sampler_views(renderer->pipe, 1, &ref);
|
|
renderer->pipe->bind_fragment_sampler_states(renderer->pipe, 1, &renderer->sampler_ref);
|
|
|
|
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0,
|
|
renderer->buffer_width / VL_MACROBLOCK_WIDTH *
|
|
renderer->buffer_height / VL_MACROBLOCK_HEIGHT);
|
|
|
|
buffer->surface_cleared = true;
|
|
}
|
|
|
|
void
|
|
vl_mc_render_ycbcr(struct vl_mc *renderer, struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances)
|
|
{
|
|
unsigned mask = 1 << component;
|
|
|
|
assert(buffer);
|
|
|
|
if (num_instances == 0)
|
|
return;
|
|
|
|
prepare_pipe_4_rendering(renderer, buffer, mask);
|
|
|
|
renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs_ycbcr);
|
|
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ycbcr);
|
|
|
|
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances);
|
|
|
|
if (buffer->surface_cleared) {
|
|
renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_sub[mask]);
|
|
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ycbcr_sub);
|
|
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances);
|
|
}
|
|
}
|