forked from dolphin-emu/dolphin
146 lines
3.4 KiB
C
146 lines
3.4 KiB
C
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#ifndef _VIDEOCOMMON_H
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#define _VIDEOCOMMON_H
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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#include "Common.h"
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#include "MathUtil.h"
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#include "VideoBackendBase.h"
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#if defined(_MSC_VER) && !defined(__x86_64__) && !defined(_M_X64)
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void * memcpy_amd(void *dest, const void *src, size_t n);
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unsigned char memcmp_mmx(const void* src1, const void* src2, int cmpsize);
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#define memcpy_gc memcpy_amd
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#define memcmp_gc memcmp_mmx
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#else
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#define memcpy_gc memcpy
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#define memcmp_gc memcmp
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#endif
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// These are accurate (disregarding AA modes).
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enum
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{
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EFB_WIDTH = 640,
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EFB_HEIGHT = 528,
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};
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// XFB width is decided by EFB copy operation. The VI can do horizontal
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// scaling (TODO: emulate).
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const u32 MAX_XFB_WIDTH = EFB_WIDTH;
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// Although EFB height is 528, 574-line XFB's can be created either with
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// vertical scaling by the EFB copy operation or copying to multiple XFB's
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// that are next to each other in memory (TODO: handle that situation).
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const u32 MAX_XFB_HEIGHT = 574;
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// Logging
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// ----------
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void HandleGLError();
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// This structure should only be used to represent a rectangle in EFB
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// coordinates, where the origin is at the upper left and the frame dimensions
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// are 640 x 528.
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typedef MathUtil::Rectangle<int> EFBRectangle;
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// This structure should only be used to represent a rectangle in standard target
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// coordinates, where the origin is at the lower left and the frame dimensions
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// depend on the resolution settings. Use Renderer::ConvertEFBRectangle to
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// convert an EFBRectangle to a TargetRectangle.
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struct TargetRectangle : public MathUtil::Rectangle<int>
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{
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#ifdef _WIN32
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// Only used by D3D backend.
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const RECT *AsRECT() const
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{
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// The types are binary compatible so this works.
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return (const RECT *)this;
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}
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RECT *AsRECT()
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{
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// The types are binary compatible so this works.
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return (RECT *)this;
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}
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#endif
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};
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#ifdef _WIN32
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#define PRIM_LOG(...) DEBUG_LOG(VIDEO, __VA_ARGS__)
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#else
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#define PRIM_LOG(...) DEBUG_LOG(VIDEO, ##__VA_ARGS__)
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#endif
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// warning: mapping buffer should be disabled to use this
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// #define LOG_VTX() DEBUG_LOG(VIDEO, "vtx: %f %f %f, ", ((float*)VertexManager::s_pCurBufferPointer)[-3], ((float*)VertexManager::s_pCurBufferPointer)[-2], ((float*)VertexManager::s_pCurBufferPointer)[-1]);
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#define LOG_VTX()
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typedef enum
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{
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API_OPENGL = 1,
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API_D3D9_SM30 = 2,
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API_D3D9_SM20 = 4,
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API_D3D9 = 6,
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API_D3D11 = 8,
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API_NONE = 16
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} API_TYPE;
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inline u32 RGBA8ToRGBA6ToRGBA8(u32 src)
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{
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u32 color = src;
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color &= 0xFCFCFCFC;
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color |= (color >> 6) & 0x03030303;
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return color;
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}
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inline u32 RGBA8ToRGB565ToRGBA8(u32 src)
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{
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u32 color = (src & 0xF8FCF8);
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color |= (color >> 5) & 0x070007;
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color |= (color >> 6) & 0x000300;
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color |= 0xFF000000;
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return color;
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}
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inline u32 Z24ToZ16ToZ24(u32 src)
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{
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return (src & 0xFFFF00) | (src >> 16);
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}
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/* Returns the smallest power of 2 which is greater than or equal to num */
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inline u32 MakePow2(u32 num)
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{
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--num;
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num |= num >> 1;
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num |= num >> 2;
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num |= num >> 4;
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num |= num >> 8;
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num |= num >> 16;
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++num;
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return num;
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}
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// returns the exponent of the smallest power of two which is greater than val
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inline unsigned int GetPow2(unsigned int val)
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{
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unsigned int ret = 0;
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for (; val; val >>= 1)
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++ret;
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return ret;
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}
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struct s_svar
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{
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const char *name;
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const unsigned int reg;
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const unsigned int size;
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};
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#endif // _VIDEOCOMMON_H
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