diff --git a/plugins/GSdx/GSDrawScanline.cpp b/plugins/GSdx/GSDrawScanline.cpp index 169dcf73eb..c65d2fb7c3 100644 --- a/plugins/GSdx/GSDrawScanline.cpp +++ b/plugins/GSdx/GSDrawScanline.cpp @@ -23,6 +23,9 @@ #include "GSDrawScanline.h" #include "GSTextureCacheSW.h" +// Lack of a better home +std::unique_ptr g_const(new GSScanlineConstantData()); + GSDrawScanline::GSDrawScanline() : m_sp_map("GSSetupPrim", &m_local) , m_ds_map("GSDrawScanline", &m_local) diff --git a/plugins/GSdx/GSScanlineEnvironment.h b/plugins/GSdx/GSScanlineEnvironment.h index a8424a443d..4a8c0409d5 100644 --- a/plugins/GSdx/GSScanlineEnvironment.h +++ b/plugins/GSdx/GSScanlineEnvironment.h @@ -232,3 +232,97 @@ struct alignas(32) GSScanlineLocalData // per prim variables, each thread has it const GSScanlineGlobalData* gd; }; + +// Constant shared by all threads (to reduce cache miss) +// +// Note: Avoid GSVector* to support all ISA at once +// +// WARNING: Don't use static storage. Static variables are relocated to random +// location (above 2GB). Small allocation on the heap could be below 2GB, this way we can use +// absolute addressing. Otherwise we need to store a base address in a register. +struct GSScanlineConstantData : public GSAlignedClass<32> +{ + alignas(32) uint8 m_test_256b[16][8]; + alignas(32) float m_shift_256b[9][8]; + alignas(32) float m_log2_coef_256b[4][8]; + + alignas(16) uint32 m_test_128b[8][4]; + alignas(16) float m_shift_128b[5][4]; + alignas(16) float m_log2_coef_128b[4][4]; + + GSScanlineConstantData() + { + uint8 I_hate_vs2013_m_test_256b[16][8] = { + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00}, + {0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} + }; + + uint32 I_hate_vs2013_m_test_128b[8][4] = { + { 0x00000000, 0x00000000, 0x00000000, 0x00000000}, + { 0xffffffff, 0x00000000, 0x00000000, 0x00000000}, + { 0xffffffff, 0xffffffff, 0x00000000, 0x00000000}, + { 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000}, + { 0x00000000, 0xffffffff, 0xffffffff, 0xffffffff}, + { 0x00000000, 0x00000000, 0xffffffff, 0xffffffff}, + { 0x00000000, 0x00000000, 0x00000000, 0xffffffff}, + { 0x00000000, 0x00000000, 0x00000000, 0x00000000} + }; + + float I_hate_vs2013_m_shift_256b[9][8] = { + { 8.0f , 8.0f , 8.0f , 8.0f , 8.0f , 8.0f , 8.0f , 8.0f}, + { 0.0f , 1.0f , 2.0f , 3.0f , 4.0f , 5.0f , 6.0f , 7.0f}, + { -1.0f , 0.0f , 1.0f , 2.0f , 3.0f , 4.0f , 5.0f , 6.0f}, + { -2.0f , -1.0f , 0.0f , 1.0f , 2.0f , 3.0f , 4.0f , 5.0f}, + { -3.0f , -2.0f , -1.0f , 0.0f , 1.0f , 2.0f , 3.0f , 4.0f}, + { -4.0f , -3.0f , -2.0f , -1.0f , 0.0f , 1.0f , 2.0f , 3.0f}, + { -5.0f , -4.0f , -3.0f , -2.0f , -1.0f , 0.0f , 1.0f , 2.0f}, + { -6.0f , -5.0f , -4.0f , -3.0f , -2.0f , -1.0f , 0.0f , 1.0f}, + { -7.0f , -6.0f , -5.0f , -4.0f , -3.0f , -2.0f , -1.0f , 0.0f} + }; + + float I_hate_vs2013_m_shift_128b[5][4] = { + { 4.0f , 4.0f , 4.0f , 4.0f}, + { 0.0f , 1.0f , 2.0f , 3.0f}, + { -1.0f , 0.0f , 1.0f , 2.0f}, + { -2.0f , -1.0f , 0.0f , 1.0f}, + { -3.0f , -2.0f , -1.0f , 0.0f} + }; + + memcpy(m_test_256b, I_hate_vs2013_m_test_256b, sizeof(I_hate_vs2013_m_test_256b)); + memcpy(m_test_128b, I_hate_vs2013_m_test_128b, sizeof(I_hate_vs2013_m_test_128b)); + memcpy(m_shift_256b, I_hate_vs2013_m_shift_256b, sizeof(I_hate_vs2013_m_shift_256b)); + memcpy(m_shift_128b, I_hate_vs2013_m_shift_128b, sizeof(I_hate_vs2013_m_shift_128b)); + + float log2_coef[] = { + 0.204446009836232697516f, + -1.04913055217340124191f, + 2.28330284476918490682f, + 1.0f + }; + + for (size_t n = 0; n < countof(log2_coef); ++n) { + for (size_t i = 0; i < 4; ++i) { + m_log2_coef_128b[n][i] = log2_coef[n]; + m_log2_coef_256b[n][i] = log2_coef[n]; + m_log2_coef_256b[n][i+4] = log2_coef[n]; + } + } + + } +}; + +extern std::unique_ptr g_const;