// Copyright 2014 Google Inc. All Rights Reserved. // // Use of this source code is governed by a BSD-style license // that can be found in the COPYING file in the root of the source // tree. An additional intellectual property rights grant can be found // in the file PATENTS. All contributing project authors may // be found in the AUTHORS file in the root of the source tree. // ----------------------------------------------------------------------------- // // Image transforms and color space conversion methods for lossless decoder. // // Author(s): Djordje Pesut ([email protected]) // Jovan Zelincevic ([email protected]) #include "src/dsp/dsp.h" #if defined(WEBP_USE_MIPS_DSP_R2) #include "src/dsp/lossless.h" #include "src/dsp/lossless_common.h" #define MAP_COLOR_FUNCS … MAP_COLOR_FUNCS(MapARGB_MIPSdspR2, uint32_t, VP8GetARGBIndex, VP8GetARGBValue) MAP_COLOR_FUNCS(MapAlpha_MIPSdspR2, uint8_t, VP8GetAlphaIndex, VP8GetAlphaValue) #undef MAP_COLOR_FUNCS static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1, uint32_t c2) { int temp0, temp1, temp2, temp3, temp4, temp5; __asm__ volatile ( "preceu.ph.qbr %[temp1], %[c0] \n\t" "preceu.ph.qbl %[temp2], %[c0] \n\t" "preceu.ph.qbr %[temp3], %[c1] \n\t" "preceu.ph.qbl %[temp4], %[c1] \n\t" "preceu.ph.qbr %[temp5], %[c2] \n\t" "preceu.ph.qbl %[temp0], %[c2] \n\t" "subq.ph %[temp3], %[temp3], %[temp5] \n\t" "subq.ph %[temp4], %[temp4], %[temp0] \n\t" "addq.ph %[temp1], %[temp1], %[temp3] \n\t" "addq.ph %[temp2], %[temp2], %[temp4] \n\t" "shll_s.ph %[temp1], %[temp1], 7 \n\t" "shll_s.ph %[temp2], %[temp2], 7 \n\t" "precrqu_s.qb.ph %[temp2], %[temp2], %[temp1] \n\t" : [temp0]"=r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5) : [c0]"r"(c0), [c1]"r"(c1), [c2]"r"(c2) : "memory" ); return temp2; } static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1, uint32_t c2) { int temp0, temp1, temp2, temp3, temp4, temp5; __asm__ volatile ( "adduh.qb %[temp5], %[c0], %[c1] \n\t" "preceu.ph.qbr %[temp3], %[c2] \n\t" "preceu.ph.qbr %[temp1], %[temp5] \n\t" "preceu.ph.qbl %[temp2], %[temp5] \n\t" "preceu.ph.qbl %[temp4], %[c2] \n\t" "subq.ph %[temp3], %[temp1], %[temp3] \n\t" "subq.ph %[temp4], %[temp2], %[temp4] \n\t" "shrl.ph %[temp5], %[temp3], 15 \n\t" "shrl.ph %[temp0], %[temp4], 15 \n\t" "addq.ph %[temp3], %[temp3], %[temp5] \n\t" "addq.ph %[temp4], %[temp0], %[temp4] \n\t" "shra.ph %[temp3], %[temp3], 1 \n\t" "shra.ph %[temp4], %[temp4], 1 \n\t" "addq.ph %[temp1], %[temp1], %[temp3] \n\t" "addq.ph %[temp2], %[temp2], %[temp4] \n\t" "shll_s.ph %[temp1], %[temp1], 7 \n\t" "shll_s.ph %[temp2], %[temp2], 7 \n\t" "precrqu_s.qb.ph %[temp1], %[temp2], %[temp1] \n\t" : [temp0]"=r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=r"(temp4), [temp5]"=&r"(temp5) : [c0]"r"(c0), [c1]"r"(c1), [c2]"r"(c2) : "memory" ); return temp1; } static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) { int temp0, temp1, temp2, temp3, temp4, temp5; __asm__ volatile ( "cmpgdu.lt.qb %[temp1], %[c], %[b] \n\t" "pick.qb %[temp1], %[b], %[c] \n\t" "pick.qb %[temp2], %[c], %[b] \n\t" "cmpgdu.lt.qb %[temp4], %[c], %[a] \n\t" "pick.qb %[temp4], %[a], %[c] \n\t" "pick.qb %[temp5], %[c], %[a] \n\t" "subu.qb %[temp3], %[temp1], %[temp2] \n\t" "subu.qb %[temp0], %[temp4], %[temp5] \n\t" "raddu.w.qb %[temp3], %[temp3] \n\t" "raddu.w.qb %[temp0], %[temp0] \n\t" "subu %[temp3], %[temp3], %[temp0] \n\t" "slti %[temp0], %[temp3], 0x1 \n\t" "movz %[a], %[b], %[temp0] \n\t" : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp0]"=&r"(temp0), [a]"+&r"(a) : [b]"r"(b), [c]"r"(c) ); return a; } static WEBP_INLINE uint32_t Average2(uint32_t a0, uint32_t a1) { __asm__ volatile ( "adduh.qb %[a0], %[a0], %[a1] \n\t" : [a0]"+r"(a0) : [a1]"r"(a1) ); return a0; } static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) { return Average2(Average2(a0, a2), a1); } static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1, uint32_t a2, uint32_t a3) { return Average2(Average2(a0, a1), Average2(a2, a3)); } static uint32_t Predictor5_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return Average3(*left, top[0], top[1]); } static uint32_t Predictor6_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return Average2(*left, top[-1]); } static uint32_t Predictor7_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return Average2(*left, top[0]); } static uint32_t Predictor8_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { (void)left; return Average2(top[-1], top[0]); } static uint32_t Predictor9_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { (void)left; return Average2(top[0], top[1]); } static uint32_t Predictor10_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return Average4(*left, top[-1], top[0], top[1]); } static uint32_t Predictor11_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return Select(top[0], *left, top[-1]); } static uint32_t Predictor12_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return ClampedAddSubtractFull(*left, top[0], top[-1]); } static uint32_t Predictor13_MIPSdspR2(const uint32_t* const left, const uint32_t* const top) { return ClampedAddSubtractHalf(*left, top[0], top[-1]); } // Add green to blue and red channels (i.e. perform the inverse transform of // 'subtract green'). static void AddGreenToBlueAndRed_MIPSdspR2(const uint32_t* src, int num_pixels, uint32_t* dst) { uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; const uint32_t* const p_loop1_end = src + (num_pixels & ~3); const uint32_t* const p_loop2_end = src + num_pixels; __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop1_end], 3f \n\t" " nop \n\t" "0: \n\t" "lw %[temp0], 0(%[src]) \n\t" "lw %[temp1], 4(%[src]) \n\t" "lw %[temp2], 8(%[src]) \n\t" "lw %[temp3], 12(%[src]) \n\t" "ext %[temp4], %[temp0], 8, 8 \n\t" "ext %[temp5], %[temp1], 8, 8 \n\t" "ext %[temp6], %[temp2], 8, 8 \n\t" "ext %[temp7], %[temp3], 8, 8 \n\t" "addiu %[src], %[src], 16 \n\t" "addiu %[dst], %[dst], 16 \n\t" "replv.ph %[temp4], %[temp4] \n\t" "replv.ph %[temp5], %[temp5] \n\t" "replv.ph %[temp6], %[temp6] \n\t" "replv.ph %[temp7], %[temp7] \n\t" "addu.qb %[temp0], %[temp0], %[temp4] \n\t" "addu.qb %[temp1], %[temp1], %[temp5] \n\t" "addu.qb %[temp2], %[temp2], %[temp6] \n\t" "addu.qb %[temp3], %[temp3], %[temp7] \n\t" "sw %[temp0], -16(%[dst]) \n\t" "sw %[temp1], -12(%[dst]) \n\t" "sw %[temp2], -8(%[dst]) \n\t" "bne %[src], %[p_loop1_end], 0b \n\t" " sw %[temp3], -4(%[dst]) \n\t" "3: \n\t" "beq %[src], %[p_loop2_end], 2f \n\t" " nop \n\t" "1: \n\t" "lw %[temp0], 0(%[src]) \n\t" "addiu %[src], %[src], 4 \n\t" "addiu %[dst], %[dst], 4 \n\t" "ext %[temp4], %[temp0], 8, 8 \n\t" "replv.ph %[temp4], %[temp4] \n\t" "addu.qb %[temp0], %[temp0], %[temp4] \n\t" "bne %[src], %[p_loop2_end], 1b \n\t" " sw %[temp0], -4(%[dst]) \n\t" "2: \n\t" ".set pop \n\t" : [dst]"+&r"(dst), [src]"+&r"(src), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [temp6]"=&r"(temp6), [temp7]"=&r"(temp7) : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) : "memory" ); } static void TransformColorInverse_MIPSdspR2(const VP8LMultipliers* const m, const uint32_t* src, int num_pixels, uint32_t* dst) { int temp0, temp1, temp2, temp3, temp4, temp5; uint32_t argb, argb1, new_red; const uint32_t G_to_R = m->green_to_red_; const uint32_t G_to_B = m->green_to_blue_; const uint32_t R_to_B = m->red_to_blue_; const uint32_t* const p_loop_end = src + (num_pixels & ~1); __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop_end], 1f \n\t" " nop \n\t" "replv.ph %[temp0], %[G_to_R] \n\t" "replv.ph %[temp1], %[G_to_B] \n\t" "replv.ph %[temp2], %[R_to_B] \n\t" "shll.ph %[temp0], %[temp0], 8 \n\t" "shll.ph %[temp1], %[temp1], 8 \n\t" "shll.ph %[temp2], %[temp2], 8 \n\t" "shra.ph %[temp0], %[temp0], 8 \n\t" "shra.ph %[temp1], %[temp1], 8 \n\t" "shra.ph %[temp2], %[temp2], 8 \n\t" "0: \n\t" "lw %[argb], 0(%[src]) \n\t" "lw %[argb1], 4(%[src]) \n\t" "sw %[argb], 0(%[dst]) \n\t" "sw %[argb1], 4(%[dst]) \n\t" "addiu %[src], %[src], 8 \n\t" "addiu %[dst], %[dst], 8 \n\t" "precrq.qb.ph %[temp3], %[argb], %[argb1] \n\t" "preceu.ph.qbra %[temp3], %[temp3] \n\t" "shll.ph %[temp3], %[temp3], 8 \n\t" "shra.ph %[temp3], %[temp3], 8 \n\t" "mul.ph %[temp5], %[temp3], %[temp0] \n\t" "mul.ph %[temp3], %[temp3], %[temp1] \n\t" "precrq.ph.w %[new_red], %[argb], %[argb1] \n\t" "ins %[argb1], %[argb], 16, 16 \n\t" "shra.ph %[temp5], %[temp5], 5 \n\t" "shra.ph %[temp3], %[temp3], 5 \n\t" "addu.ph %[new_red], %[new_red], %[temp5] \n\t" "addu.ph %[argb1], %[argb1], %[temp3] \n\t" "preceu.ph.qbra %[temp5], %[new_red] \n\t" "shll.ph %[temp4], %[temp5], 8 \n\t" "shra.ph %[temp4], %[temp4], 8 \n\t" "mul.ph %[temp4], %[temp4], %[temp2] \n\t" "sb %[temp5], -2(%[dst]) \n\t" "sra %[temp5], %[temp5], 16 \n\t" "shra.ph %[temp4], %[temp4], 5 \n\t" "addu.ph %[argb1], %[argb1], %[temp4] \n\t" "preceu.ph.qbra %[temp3], %[argb1] \n\t" "sb %[temp5], -6(%[dst]) \n\t" "sb %[temp3], -4(%[dst]) \n\t" "sra %[temp3], %[temp3], 16 \n\t" "bne %[src], %[p_loop_end], 0b \n\t" " sb %[temp3], -8(%[dst]) \n\t" "1: \n\t" ".set pop \n\t" : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [new_red]"=&r"(new_red), [argb]"=&r"(argb), [argb1]"=&r"(argb1), [dst]"+&r"(dst), [src]"+&r"(src) : [G_to_R]"r"(G_to_R), [R_to_B]"r"(R_to_B), [G_to_B]"r"(G_to_B), [p_loop_end]"r"(p_loop_end) : "memory", "hi", "lo" ); // Fall-back to C-version for left-overs. if (num_pixels & 1) VP8LTransformColorInverse_C(m, src, 1, dst); } static void ConvertBGRAToRGB_MIPSdspR2(const uint32_t* src, int num_pixels, uint8_t* dst) { int temp0, temp1, temp2, temp3; const uint32_t* const p_loop1_end = src + (num_pixels & ~3); const uint32_t* const p_loop2_end = src + num_pixels; __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop1_end], 3f \n\t" " nop \n\t" "0: \n\t" "lw %[temp3], 12(%[src]) \n\t" "lw %[temp2], 8(%[src]) \n\t" "lw %[temp1], 4(%[src]) \n\t" "lw %[temp0], 0(%[src]) \n\t" "ins %[temp3], %[temp2], 24, 8 \n\t" "sll %[temp2], %[temp2], 8 \n\t" "rotr %[temp3], %[temp3], 16 \n\t" "ins %[temp2], %[temp1], 0, 16 \n\t" "sll %[temp1], %[temp1], 8 \n\t" "wsbh %[temp3], %[temp3] \n\t" "balign %[temp0], %[temp1], 1 \n\t" "wsbh %[temp2], %[temp2] \n\t" "wsbh %[temp0], %[temp0] \n\t" "usw %[temp3], 8(%[dst]) \n\t" "rotr %[temp0], %[temp0], 16 \n\t" "usw %[temp2], 4(%[dst]) \n\t" "addiu %[src], %[src], 16 \n\t" "usw %[temp0], 0(%[dst]) \n\t" "bne %[src], %[p_loop1_end], 0b \n\t" " addiu %[dst], %[dst], 12 \n\t" "3: \n\t" "beq %[src], %[p_loop2_end], 2f \n\t" " nop \n\t" "1: \n\t" "lw %[temp0], 0(%[src]) \n\t" "addiu %[src], %[src], 4 \n\t" "wsbh %[temp1], %[temp0] \n\t" "addiu %[dst], %[dst], 3 \n\t" "ush %[temp1], -2(%[dst]) \n\t" "sra %[temp0], %[temp0], 16 \n\t" "bne %[src], %[p_loop2_end], 1b \n\t" " sb %[temp0], -3(%[dst]) \n\t" "2: \n\t" ".set pop \n\t" : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src) : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) : "memory" ); } static void ConvertBGRAToRGBA_MIPSdspR2(const uint32_t* src, int num_pixels, uint8_t* dst) { int temp0, temp1, temp2, temp3; const uint32_t* const p_loop1_end = src + (num_pixels & ~3); const uint32_t* const p_loop2_end = src + num_pixels; __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop1_end], 3f \n\t" " nop \n\t" "0: \n\t" "lw %[temp0], 0(%[src]) \n\t" "lw %[temp1], 4(%[src]) \n\t" "lw %[temp2], 8(%[src]) \n\t" "lw %[temp3], 12(%[src]) \n\t" "wsbh %[temp0], %[temp0] \n\t" "wsbh %[temp1], %[temp1] \n\t" "wsbh %[temp2], %[temp2] \n\t" "wsbh %[temp3], %[temp3] \n\t" "addiu %[src], %[src], 16 \n\t" "balign %[temp0], %[temp0], 1 \n\t" "balign %[temp1], %[temp1], 1 \n\t" "balign %[temp2], %[temp2], 1 \n\t" "balign %[temp3], %[temp3], 1 \n\t" "usw %[temp0], 0(%[dst]) \n\t" "usw %[temp1], 4(%[dst]) \n\t" "usw %[temp2], 8(%[dst]) \n\t" "usw %[temp3], 12(%[dst]) \n\t" "bne %[src], %[p_loop1_end], 0b \n\t" " addiu %[dst], %[dst], 16 \n\t" "3: \n\t" "beq %[src], %[p_loop2_end], 2f \n\t" " nop \n\t" "1: \n\t" "lw %[temp0], 0(%[src]) \n\t" "wsbh %[temp0], %[temp0] \n\t" "addiu %[src], %[src], 4 \n\t" "balign %[temp0], %[temp0], 1 \n\t" "usw %[temp0], 0(%[dst]) \n\t" "bne %[src], %[p_loop2_end], 1b \n\t" " addiu %[dst], %[dst], 4 \n\t" "2: \n\t" ".set pop \n\t" : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src) : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) : "memory" ); } static void ConvertBGRAToRGBA4444_MIPSdspR2(const uint32_t* src, int num_pixels, uint8_t* dst) { int temp0, temp1, temp2, temp3, temp4, temp5; const uint32_t* const p_loop1_end = src + (num_pixels & ~3); const uint32_t* const p_loop2_end = src + num_pixels; __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop1_end], 3f \n\t" " nop \n\t" "0: \n\t" "lw %[temp0], 0(%[src]) \n\t" "lw %[temp1], 4(%[src]) \n\t" "lw %[temp2], 8(%[src]) \n\t" "lw %[temp3], 12(%[src]) \n\t" "ext %[temp4], %[temp0], 28, 4 \n\t" "ext %[temp5], %[temp0], 12, 4 \n\t" "ins %[temp0], %[temp4], 0, 4 \n\t" "ext %[temp4], %[temp1], 28, 4 \n\t" "ins %[temp0], %[temp5], 16, 4 \n\t" "ext %[temp5], %[temp1], 12, 4 \n\t" "ins %[temp1], %[temp4], 0, 4 \n\t" "ext %[temp4], %[temp2], 28, 4 \n\t" "ins %[temp1], %[temp5], 16, 4 \n\t" "ext %[temp5], %[temp2], 12, 4 \n\t" "ins %[temp2], %[temp4], 0, 4 \n\t" "ext %[temp4], %[temp3], 28, 4 \n\t" "ins %[temp2], %[temp5], 16, 4 \n\t" "ext %[temp5], %[temp3], 12, 4 \n\t" "ins %[temp3], %[temp4], 0, 4 \n\t" "precr.qb.ph %[temp1], %[temp1], %[temp0] \n\t" "ins %[temp3], %[temp5], 16, 4 \n\t" "addiu %[src], %[src], 16 \n\t" "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t" #if (WEBP_SWAP_16BIT_CSP == 1) "usw %[temp1], 0(%[dst]) \n\t" "usw %[temp3], 4(%[dst]) \n\t" #else "wsbh %[temp1], %[temp1] \n\t" "wsbh %[temp3], %[temp3] \n\t" "usw %[temp1], 0(%[dst]) \n\t" "usw %[temp3], 4(%[dst]) \n\t" #endif "bne %[src], %[p_loop1_end], 0b \n\t" " addiu %[dst], %[dst], 8 \n\t" "3: \n\t" "beq %[src], %[p_loop2_end], 2f \n\t" " nop \n\t" "1: \n\t" "lw %[temp0], 0(%[src]) \n\t" "ext %[temp4], %[temp0], 28, 4 \n\t" "ext %[temp5], %[temp0], 12, 4 \n\t" "ins %[temp0], %[temp4], 0, 4 \n\t" "ins %[temp0], %[temp5], 16, 4 \n\t" "addiu %[src], %[src], 4 \n\t" "precr.qb.ph %[temp0], %[temp0], %[temp0] \n\t" #if (WEBP_SWAP_16BIT_CSP == 1) "ush %[temp0], 0(%[dst]) \n\t" #else "wsbh %[temp0], %[temp0] \n\t" "ush %[temp0], 0(%[dst]) \n\t" #endif "bne %[src], %[p_loop2_end], 1b \n\t" " addiu %[dst], %[dst], 2 \n\t" "2: \n\t" ".set pop \n\t" : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [dst]"+&r"(dst), [src]"+&r"(src) : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) : "memory" ); } static void ConvertBGRAToRGB565_MIPSdspR2(const uint32_t* src, int num_pixels, uint8_t* dst) { int temp0, temp1, temp2, temp3, temp4, temp5; const uint32_t* const p_loop1_end = src + (num_pixels & ~3); const uint32_t* const p_loop2_end = src + num_pixels; __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop1_end], 3f \n\t" " nop \n\t" "0: \n\t" "lw %[temp0], 0(%[src]) \n\t" "lw %[temp1], 4(%[src]) \n\t" "lw %[temp2], 8(%[src]) \n\t" "lw %[temp3], 12(%[src]) \n\t" "ext %[temp4], %[temp0], 8, 16 \n\t" "ext %[temp5], %[temp0], 5, 11 \n\t" "ext %[temp0], %[temp0], 3, 5 \n\t" "ins %[temp4], %[temp5], 0, 11 \n\t" "ext %[temp5], %[temp1], 5, 11 \n\t" "ins %[temp4], %[temp0], 0, 5 \n\t" "ext %[temp0], %[temp1], 8, 16 \n\t" "ext %[temp1], %[temp1], 3, 5 \n\t" "ins %[temp0], %[temp5], 0, 11 \n\t" "ext %[temp5], %[temp2], 5, 11 \n\t" "ins %[temp0], %[temp1], 0, 5 \n\t" "ext %[temp1], %[temp2], 8, 16 \n\t" "ext %[temp2], %[temp2], 3, 5 \n\t" "ins %[temp1], %[temp5], 0, 11 \n\t" "ext %[temp5], %[temp3], 5, 11 \n\t" "ins %[temp1], %[temp2], 0, 5 \n\t" "ext %[temp2], %[temp3], 8, 16 \n\t" "ext %[temp3], %[temp3], 3, 5 \n\t" "ins %[temp2], %[temp5], 0, 11 \n\t" "append %[temp0], %[temp4], 16 \n\t" "ins %[temp2], %[temp3], 0, 5 \n\t" "addiu %[src], %[src], 16 \n\t" "append %[temp2], %[temp1], 16 \n\t" #if (WEBP_SWAP_16BIT_CSP == 1) "usw %[temp0], 0(%[dst]) \n\t" "usw %[temp2], 4(%[dst]) \n\t" #else "wsbh %[temp0], %[temp0] \n\t" "wsbh %[temp2], %[temp2] \n\t" "usw %[temp0], 0(%[dst]) \n\t" "usw %[temp2], 4(%[dst]) \n\t" #endif "bne %[src], %[p_loop1_end], 0b \n\t" " addiu %[dst], %[dst], 8 \n\t" "3: \n\t" "beq %[src], %[p_loop2_end], 2f \n\t" " nop \n\t" "1: \n\t" "lw %[temp0], 0(%[src]) \n\t" "ext %[temp4], %[temp0], 8, 16 \n\t" "ext %[temp5], %[temp0], 5, 11 \n\t" "ext %[temp0], %[temp0], 3, 5 \n\t" "ins %[temp4], %[temp5], 0, 11 \n\t" "addiu %[src], %[src], 4 \n\t" "ins %[temp4], %[temp0], 0, 5 \n\t" #if (WEBP_SWAP_16BIT_CSP == 1) "ush %[temp4], 0(%[dst]) \n\t" #else "wsbh %[temp4], %[temp4] \n\t" "ush %[temp4], 0(%[dst]) \n\t" #endif "bne %[src], %[p_loop2_end], 1b \n\t" " addiu %[dst], %[dst], 2 \n\t" "2: \n\t" ".set pop \n\t" : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), [dst]"+&r"(dst), [src]"+&r"(src) : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) : "memory" ); } static void ConvertBGRAToBGR_MIPSdspR2(const uint32_t* src, int num_pixels, uint8_t* dst) { int temp0, temp1, temp2, temp3; const uint32_t* const p_loop1_end = src + (num_pixels & ~3); const uint32_t* const p_loop2_end = src + num_pixels; __asm__ volatile ( ".set push \n\t" ".set noreorder \n\t" "beq %[src], %[p_loop1_end], 3f \n\t" " nop \n\t" "0: \n\t" "lw %[temp0], 0(%[src]) \n\t" "lw %[temp1], 4(%[src]) \n\t" "lw %[temp2], 8(%[src]) \n\t" "lw %[temp3], 12(%[src]) \n\t" "ins %[temp0], %[temp1], 24, 8 \n\t" "sra %[temp1], %[temp1], 8 \n\t" "ins %[temp1], %[temp2], 16, 16 \n\t" "sll %[temp2], %[temp2], 8 \n\t" "balign %[temp3], %[temp2], 1 \n\t" "addiu %[src], %[src], 16 \n\t" "usw %[temp0], 0(%[dst]) \n\t" "usw %[temp1], 4(%[dst]) \n\t" "usw %[temp3], 8(%[dst]) \n\t" "bne %[src], %[p_loop1_end], 0b \n\t" " addiu %[dst], %[dst], 12 \n\t" "3: \n\t" "beq %[src], %[p_loop2_end], 2f \n\t" " nop \n\t" "1: \n\t" "lw %[temp0], 0(%[src]) \n\t" "addiu %[src], %[src], 4 \n\t" "addiu %[dst], %[dst], 3 \n\t" "ush %[temp0], -3(%[dst]) \n\t" "sra %[temp0], %[temp0], 16 \n\t" "bne %[src], %[p_loop2_end], 1b \n\t" " sb %[temp0], -1(%[dst]) \n\t" "2: \n\t" ".set pop \n\t" : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src) : [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end) : "memory" ); } //------------------------------------------------------------------------------ // Entry point extern void VP8LDspInitMIPSdspR2(void); WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void) { VP8LMapColor32b = MapARGB_MIPSdspR2; VP8LMapColor8b = MapAlpha_MIPSdspR2; VP8LPredictors[5] = Predictor5_MIPSdspR2; VP8LPredictors[6] = Predictor6_MIPSdspR2; VP8LPredictors[7] = Predictor7_MIPSdspR2; VP8LPredictors[8] = Predictor8_MIPSdspR2; VP8LPredictors[9] = Predictor9_MIPSdspR2; VP8LPredictors[10] = Predictor10_MIPSdspR2; VP8LPredictors[11] = Predictor11_MIPSdspR2; VP8LPredictors[12] = Predictor12_MIPSdspR2; VP8LPredictors[13] = Predictor13_MIPSdspR2; VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_MIPSdspR2; VP8LTransformColorInverse = TransformColorInverse_MIPSdspR2; VP8LConvertBGRAToRGB = ConvertBGRAToRGB_MIPSdspR2; VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_MIPSdspR2; VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444_MIPSdspR2; VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565_MIPSdspR2; VP8LConvertBGRAToBGR = ConvertBGRAToBGR_MIPSdspR2; } #else // !WEBP_USE_MIPS_DSP_R2 WEBP_DSP_INIT_STUB(VP8LDspInitMIPSdspR2) #endif // WEBP_USE_MIPS_DSP_R2
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