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Create drawergen tool

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Magnus Norddahl 2016-11-28 17:31:56 +01:00
commit e9e7839133
72 changed files with 1407 additions and 1108 deletions
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src/r_compiler/fixedfunction/drawercodegen.h
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/*
** Drawer code generation
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#pragma once
#include "r_compiler/llvmdrawers.h"
#include "r_compiler/ssa/ssa_value.h"
#include "r_compiler/ssa/ssa_vec4f.h"
#include "r_compiler/ssa/ssa_vec4i.h"
#include "r_compiler/ssa/ssa_vec8s.h"
#include "r_compiler/ssa/ssa_vec16ub.h"
#include "r_compiler/ssa/ssa_int.h"
#include "r_compiler/ssa/ssa_int_ptr.h"
#include "r_compiler/ssa/ssa_short.h"
#include "r_compiler/ssa/ssa_ubyte_ptr.h"
#include "r_compiler/ssa/ssa_vec4f_ptr.h"
#include "r_compiler/ssa/ssa_vec4i_ptr.h"
#include "r_compiler/ssa/ssa_stack.h"
#include "r_compiler/ssa/ssa_bool.h"
#include "r_compiler/ssa/ssa_barycentric_weight.h"
#include "r_compiler/llvm_include.h"
class SSAWorkerThread
{
public:
SSAInt core;
SSAInt num_cores;
SSAInt pass_start_y;
SSAInt pass_end_y;
SSAUBytePtr temp;
};
class SSAShadeConstants
{
public:
SSAVec4i light;
SSAVec4i fade;
SSAInt desaturate;
};
class DrawerCodegen
{
public:
// Checks if a line is rendered by this thread
SSABool line_skipped_by_thread(SSAInt line, SSAWorkerThread thread);
// The number of lines to skip to reach the first line to be rendered by this thread
SSAInt skipped_by_thread(SSAInt first_line, SSAWorkerThread thread);
// The number of lines to be rendered by this thread
SSAInt count_for_thread(SSAInt first_line, SSAInt count, SSAWorkerThread thread);
// Calculate the dest address for the first line to be rendered by this thread
SSAUBytePtr dest_for_thread(SSAInt first_line, SSAInt pitch, SSAUBytePtr dest, SSAWorkerThread thread);
// LightBgra
SSAInt calc_light_multiplier(SSAInt light);
SSAVec4i shade_pal_index_simple(SSAInt index, SSAInt light, SSAUBytePtr basecolors);
SSAVec4i shade_pal_index_advanced(SSAInt index, SSAInt light, const SSAShadeConstants &constants, SSAUBytePtr basecolors);
SSAVec4i shade_bgra_simple(SSAVec4i color, SSAInt light);
SSAVec4i shade_bgra_advanced(SSAVec4i color, SSAInt light, const SSAShadeConstants &constants);
// BlendBgra
SSAVec4i blend_copy(SSAVec4i fg);
SSAVec4i blend_add(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
SSAVec4i blend_sub(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
SSAVec4i blend_revsub(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
SSAVec4i blend_alpha_blend(SSAVec4i fg, SSAVec4i bg);
SSAVec4i blend_stencil(SSAVec4i color, SSAInt fgalpha, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
// Calculates the final alpha values to be used when combined with the source texture alpha channel
SSAInt calc_blend_bgalpha(SSAVec4i fg, SSAInt destalpha);
};