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MIPS: dspr2: Added optimization for some convert functions
affected functions: VP8LConvertBGRAToRGB_C VP8LConvertBGRAToRGBA_C Change-Id: I5f25795c385688f2432d0710296e589f3793cb2b
This commit is contained in:
Djordje Pesut
parent
8a218b4a96
commit
0f595db60c
@ -585,6 +585,108 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
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if (num_pixels & 1) VP8LTransformColorInverse_C(m, data, 1);
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if (num_pixels & 1) VP8LTransformColorInverse_C(m, data, 1);
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}
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}
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static void ConvertBGRAToRGB(const uint32_t* src,
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int num_pixels, uint8_t* dst) {
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int temp0, temp1, temp2, temp3;
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uint32_t* const p_loop1_end = (uint32_t*)src + (num_pixels & ~3);
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uint32_t* const p_loop2_end = (uint32_t*)src + num_pixels;
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__asm__ volatile (
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".set push \n\t"
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".set noreorder \n\t"
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"beq %[src], %[p_loop1_end], 3f \n\t"
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" nop \n\t"
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"0: \n\t"
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"lw %[temp3], 12(%[src]) \n\t"
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"lw %[temp2], 8(%[src]) \n\t"
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"lw %[temp1], 4(%[src]) \n\t"
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"lw %[temp0], 0(%[src]) \n\t"
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"ins %[temp3], %[temp2], 24, 8 \n\t"
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"sll %[temp2], %[temp2], 8 \n\t"
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"rotr %[temp3], %[temp3], 16 \n\t"
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"ins %[temp2], %[temp1], 0, 16 \n\t"
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"sll %[temp1], %[temp1], 8 \n\t"
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"wsbh %[temp3], %[temp3] \n\t"
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"balign %[temp0], %[temp1], 1 \n\t"
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"wsbh %[temp2], %[temp2] \n\t"
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"wsbh %[temp0], %[temp0] \n\t"
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"usw %[temp3], 8(%[dst]) \n\t"
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"rotr %[temp0], %[temp0], 16 \n\t"
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"usw %[temp2], 4(%[dst]) \n\t"
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"addiu %[src], %[src], 16 \n\t"
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"usw %[temp0], 0(%[dst]) \n\t"
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"bne %[src], %[p_loop1_end], 0b \n\t"
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" addiu %[dst], %[dst], 12 \n\t"
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"3: \n\t"
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"beq %[src], %[p_loop2_end], 2f \n\t"
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" nop \n\t"
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"1: \n\t"
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"lw %[temp0], 0(%[src]) \n\t"
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"addiu %[src], %[src], 4 \n\t"
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"wsbh %[temp1], %[temp0] \n\t"
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"addiu %[dst], %[dst], 3 \n\t"
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"ush %[temp1], -2(%[dst]) \n\t"
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"sra %[temp0], %[temp0], 16 \n\t"
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"bne %[src], %[p_loop2_end], 1b \n\t"
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" sb %[temp0], -3(%[dst]) \n\t"
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"2: \n\t"
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".set pop \n\t"
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: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
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[temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src)
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: [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
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: "memory"
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);
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}
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static void ConvertBGRAToRGBA(const uint32_t* src,
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int num_pixels, uint8_t* dst) {
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int temp0, temp1, temp2, temp3;
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uint32_t* const p_loop1_end = (uint32_t*)src + (num_pixels & ~3);
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uint32_t* const p_loop2_end = (uint32_t*)src + num_pixels;
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__asm__ volatile (
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".set push \n\t"
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".set noreorder \n\t"
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"beq %[src], %[p_loop1_end], 3f \n\t"
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" nop \n\t"
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"0: \n\t"
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"lw %[temp0], 0(%[src]) \n\t"
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"lw %[temp1], 4(%[src]) \n\t"
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"lw %[temp2], 8(%[src]) \n\t"
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"lw %[temp3], 12(%[src]) \n\t"
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"wsbh %[temp0], %[temp0] \n\t"
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"wsbh %[temp1], %[temp1] \n\t"
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"wsbh %[temp2], %[temp2] \n\t"
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"wsbh %[temp3], %[temp3] \n\t"
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"addiu %[src], %[src], 16 \n\t"
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"balign %[temp0], %[temp0], 1 \n\t"
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"balign %[temp1], %[temp1], 1 \n\t"
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"balign %[temp2], %[temp2], 1 \n\t"
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"balign %[temp3], %[temp3], 1 \n\t"
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"usw %[temp0], 0(%[dst]) \n\t"
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"usw %[temp1], 4(%[dst]) \n\t"
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"usw %[temp2], 8(%[dst]) \n\t"
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"usw %[temp3], 12(%[dst]) \n\t"
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"bne %[src], %[p_loop1_end], 0b \n\t"
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" addiu %[dst], %[dst], 16 \n\t"
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"3: \n\t"
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"beq %[src], %[p_loop2_end], 2f \n\t"
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" nop \n\t"
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"1: \n\t"
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"lw %[temp0], 0(%[src]) \n\t"
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"wsbh %[temp0], %[temp0] \n\t"
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"addiu %[src], %[src], 4 \n\t"
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"balign %[temp0], %[temp0], 1 \n\t"
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"usw %[temp0], 0(%[dst]) \n\t"
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"bne %[src], %[p_loop2_end], 1b \n\t"
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" addiu %[dst], %[dst], 4 \n\t"
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"2: \n\t"
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".set pop \n\t"
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: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
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[temp3]"=&r"(temp3), [dst]"+&r"(dst), [src]"+&r"(src)
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: [p_loop1_end]"r"(p_loop1_end), [p_loop2_end]"r"(p_loop2_end)
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: "memory"
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);
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}
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#endif // WEBP_USE_MIPS_DSP_R2
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#endif // WEBP_USE_MIPS_DSP_R2
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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@ -610,6 +712,8 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitMIPSdspR2(void) {
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VP8LCollectColorRedTransforms = CollectColorRedTransforms;
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VP8LCollectColorRedTransforms = CollectColorRedTransforms;
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VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed;
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VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed;
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VP8LTransformColorInverse = TransformColorInverse;
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VP8LTransformColorInverse = TransformColorInverse;
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VP8LConvertBGRAToRGB = ConvertBGRAToRGB;
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VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA;
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#endif // WEBP_USE_MIPS_DSP_R2
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#endif // WEBP_USE_MIPS_DSP_R2
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}
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}
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