mirror of
https://github.com/libretro/ppsspp.git
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335 lines
10 KiB
C++
335 lines
10 KiB
C++
// Copyright (c) 2015- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "ColorConv.h"
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#include "CommonTypes.h"
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inline u16 RGBA8888toRGB565(u32 px) {
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return ((px >> 3) & 0x001F) | ((px >> 5) & 0x07E0) | ((px >> 8) & 0xF800);
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}
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inline u16 RGBA8888toRGBA4444(u32 px) {
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return ((px >> 4) & 0x000F) | ((px >> 8) & 0x00F0) | ((px >> 12) & 0x0F00) | ((px >> 16) & 0xF000);
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}
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inline u16 BGRA8888toRGB565(u32 px) {
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return ((px >> 19) & 0x001F) | ((px >> 5) & 0x07E0) | ((px << 8) & 0xF800);
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}
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inline u16 BGRA8888toRGBA4444(u32 px) {
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return ((px >> 20) & 0x000F) | ((px >> 8) & 0x00F0) | ((px << 4) & 0x0F00) | ((px >> 16) & 0xF000);
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}
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inline u16 BGRA8888toRGBA5551(u32 px) {
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return ((px >> 19) & 0x001F) | ((px >> 6) & 0x03E0) | ((px << 7) & 0x7C00) | ((px >> 16) & 0x8000);
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}
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inline u16 RGBA8888toRGBA5551(u32 px) {
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return ((px >> 3) & 0x001F) | ((px >> 6) & 0x03E0) | ((px >> 9) & 0x7C00) | ((px >> 16) & 0x8000);
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}
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// convert 4444 image to 8888, parallelizable
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void convert4444_gl(u16* data, u32* out, int width, int l, int u) {
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for (int y = l; y < u; ++y) {
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for (int x = 0; x < width; ++x) {
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u32 val = data[y*width + x];
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u32 r = ((val >> 12) & 0xF) * 17;
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u32 g = ((val >> 8) & 0xF) * 17;
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u32 b = ((val >> 4) & 0xF) * 17;
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u32 a = ((val >> 0) & 0xF) * 17;
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out[y*width + x] = (a << 24) | (b << 16) | (g << 8) | r;
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}
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}
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}
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// convert 565 image to 8888, parallelizable
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void convert565_gl(u16* data, u32* out, int width, int l, int u) {
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for (int y = l; y < u; ++y) {
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for (int x = 0; x < width; ++x) {
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u32 val = data[y*width + x];
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u32 r = Convert5To8((val >> 11) & 0x1F);
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u32 g = Convert6To8((val >> 5) & 0x3F);
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u32 b = Convert5To8((val)& 0x1F);
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out[y*width + x] = (0xFF << 24) | (b << 16) | (g << 8) | r;
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}
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}
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}
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// convert 5551 image to 8888, parallelizable
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void convert5551_gl(u16* data, u32* out, int width, int l, int u) {
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for (int y = l; y < u; ++y) {
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for (int x = 0; x < width; ++x) {
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u32 val = data[y*width + x];
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u32 r = Convert5To8((val >> 11) & 0x1F);
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u32 g = Convert5To8((val >> 6) & 0x1F);
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u32 b = Convert5To8((val >> 1) & 0x1F);
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u32 a = (val & 0x1) * 255;
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out[y*width + x] = (a << 24) | (b << 16) | (g << 8) | r;
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}
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}
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}
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// convert 4444 image to 8888, parallelizable
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void convert4444_dx9(u16* data, u32* out, int width, int l, int u) {
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for (int y = l; y < u; ++y) {
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for (int x = 0; x < width; ++x) {
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u32 val = data[y*width + x];
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u32 r = ((val >> 0) & 0xF) * 17;
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u32 g = ((val >> 4) & 0xF) * 17;
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u32 b = ((val >> 8) & 0xF) * 17;
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u32 a = ((val >> 12) & 0xF) * 17;
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out[y*width + x] = (a << 24) | (b << 16) | (g << 8) | r;
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}
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}
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}
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// convert 565 image to 8888, parallelizable
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void convert565_dx9(u16* data, u32* out, int width, int l, int u) {
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for (int y = l; y < u; ++y) {
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for (int x = 0; x < width; ++x) {
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u32 val = data[y*width + x];
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u32 r = Convert5To8((val)& 0x1F);
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u32 g = Convert6To8((val >> 5) & 0x3F);
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u32 b = Convert5To8((val >> 11) & 0x1F);
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out[y*width + x] = (0xFF << 24) | (b << 16) | (g << 8) | r;
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}
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}
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}
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// convert 5551 image to 8888, parallelizable
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void convert5551_dx9(u16* data, u32* out, int width, int l, int u) {
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for (int y = l; y < u; ++y) {
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for (int x = 0; x < width; ++x) {
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u32 val = data[y*width + x];
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u32 r = Convert5To8((val >> 0) & 0x1F);
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u32 g = Convert5To8((val >> 5) & 0x1F);
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u32 b = Convert5To8((val >> 10) & 0x1F);
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u32 a = ((val >> 15) & 0x1) * 255;
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out[y*width + x] = (a << 24) | (b << 16) | (g << 8) | r;
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}
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}
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}
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void ConvertBGRA8888ToRGBA8888(u32 *dst, const u32 *src, const u32 numPixels) {
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#ifdef _M_SSE
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const __m128i maskGA = _mm_set1_epi32(0xFF00FF00);
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const __m128i *srcp = (const __m128i *)src;
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__m128i *dstp = (__m128i *)dst;
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u32 sseChunks = numPixels / 4;
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if (((intptr_t)src & 0xF) || ((intptr_t)dst & 0xF)) {
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sseChunks = 0;
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}
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for (u32 i = 0; i < sseChunks; ++i) {
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__m128i c = _mm_load_si128(&srcp[i]);
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__m128i rb = _mm_andnot_si128(maskGA, c);
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c = _mm_and_si128(c, maskGA);
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__m128i b = _mm_srli_epi32(rb, 16);
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__m128i r = _mm_slli_epi32(rb, 16);
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c = _mm_or_si128(_mm_or_si128(c, r), b);
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_mm_store_si128(&dstp[i], c);
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}
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// The remainder starts right after those done via SSE.
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u32 i = sseChunks * 4;
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#else
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u32 i = 0;
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#endif
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for (; i < numPixels; i++) {
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const u32 c = src[i];
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dst[i] = ((c >> 16) & 0x000000FF) |
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(c & 0xFF00FF00) |
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((c << 16) & 0x00FF0000);
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}
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}
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void ConvertRGBA8888ToRGBA5551(u16 *dst, const u32 *src, const u32 numPixels) {
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#if _M_SSE >= 0x401
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const __m128i maskAG = _mm_set1_epi32(0x8000F800);
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const __m128i maskRB = _mm_set1_epi32(0x00F800F8);
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const __m128i mask = _mm_set1_epi32(0x0000FFFF);
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const __m128i *srcp = (const __m128i *)src;
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__m128i *dstp = (__m128i *)dst;
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u32 sseChunks = (numPixels / 4) & ~1;
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// SSE 4.1 required for _mm_packus_epi32.
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if (((intptr_t)src & 0xF) || ((intptr_t)dst & 0xF) || !cpu_info.bSSE4_1) {
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sseChunks = 0;
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}
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for (u32 i = 0; i < sseChunks; i += 2) {
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__m128i c1 = _mm_load_si128(&srcp[i + 0]);
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__m128i c2 = _mm_load_si128(&srcp[i + 1]);
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__m128i ag, rb;
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ag = _mm_and_si128(c1, maskAG);
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ag = _mm_or_si128(_mm_srli_epi32(ag, 16), _mm_srli_epi32(ag, 6));
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rb = _mm_and_si128(c1, maskRB);
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rb = _mm_or_si128(_mm_srli_epi32(rb, 3), _mm_srli_epi32(rb, 9));
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c1 = _mm_and_si128(_mm_or_si128(ag, rb), mask);
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ag = _mm_and_si128(c2, maskAG);
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ag = _mm_or_si128(_mm_srli_epi32(ag, 16), _mm_srli_epi32(ag, 6));
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rb = _mm_and_si128(c2, maskRB);
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rb = _mm_or_si128(_mm_srli_epi32(rb, 3), _mm_srli_epi32(rb, 9));
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c2 = _mm_and_si128(_mm_or_si128(ag, rb), mask);
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_mm_store_si128(&dstp[i / 2], _mm_packus_epi32(c1, c2));
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}
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// The remainder starts right after those done via SSE.
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u32 i = sseChunks * 4;
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#else
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u32 i = 0;
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#endif
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for (; i < numPixels; i++) {
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dst[i] = RGBA8888toRGBA5551(src[i]);
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}
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}
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void ConvertBGRA8888ToRGBA5551(u16 *dst, const u32 *src, const u32 numPixels) {
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#if _M_SSE >= 0x401
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const __m128i maskAG = _mm_set1_epi32(0x8000F800);
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const __m128i maskRB = _mm_set1_epi32(0x00F800F8);
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const __m128i mask = _mm_set1_epi32(0x0000FFFF);
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const __m128i *srcp = (const __m128i *)src;
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__m128i *dstp = (__m128i *)dst;
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u32 sseChunks = (numPixels / 4) & ~1;
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// SSE 4.1 required for _mm_packus_epi32.
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if (((intptr_t)src & 0xF) || ((intptr_t)dst & 0xF) || !cpu_info.bSSE4_1) {
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sseChunks = 0;
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}
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for (u32 i = 0; i < sseChunks; i += 2) {
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__m128i c1 = _mm_load_si128(&srcp[i + 0]);
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__m128i c2 = _mm_load_si128(&srcp[i + 1]);
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__m128i ag, rb;
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ag = _mm_and_si128(c1, maskAG);
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ag = _mm_or_si128(_mm_srli_epi32(ag, 16), _mm_srli_epi32(ag, 6));
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rb = _mm_and_si128(c1, maskRB);
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rb = _mm_or_si128(_mm_srli_epi32(rb, 19), _mm_slli_epi32(rb, 7));
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c1 = _mm_and_si128(_mm_or_si128(ag, rb), mask);
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ag = _mm_and_si128(c2, maskAG);
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ag = _mm_or_si128(_mm_srli_epi32(ag, 16), _mm_srli_epi32(ag, 6));
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rb = _mm_and_si128(c2, maskRB);
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rb = _mm_or_si128(_mm_srli_epi32(rb, 19), _mm_slli_epi32(rb, 7));
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c2 = _mm_and_si128(_mm_or_si128(ag, rb), mask);
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_mm_store_si128(&dstp[i / 2], _mm_packus_epi32(c1, c2));
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}
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// The remainder starts right after those done via SSE.
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u32 i = sseChunks * 4;
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#else
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u32 i = 0;
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#endif
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for (; i < numPixels; i++) {
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dst[i] = BGRA8888toRGBA5551(src[i]);
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}
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}
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void ConvertBGRA8888ToRGB565(u16 *dst, const u32 *src, const u32 numPixels) {
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for (u32 i = 0; i < numPixels; i++) {
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dst[i] = BGRA8888toRGB565(src[i]);
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}
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}
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void ConvertBGRA8888ToRGBA4444(u16 *dst, const u32 *src, const u32 numPixels) {
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for (u32 i = 0; i < numPixels; i++) {
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dst[i] = BGRA8888toRGBA4444(src[i]);
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}
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}
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void ConvertRGBA8888ToRGB565(u16 *dst, const u32 *src, const u32 numPixels) {
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for (u32 x = 0; x < numPixels; ++x) {
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dst[x] = RGBA8888toRGB565(src[x]);
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}
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}
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void ConvertRGBA8888ToRGBA4444(u16 *dst, const u32 *src, const u32 numPixels) {
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for (u32 x = 0; x < numPixels; ++x) {
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dst[x] = RGBA8888toRGBA4444(src[x]);
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}
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}
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void ConvertRGBA565ToRGBA8888(u32 *dst32, const u16 *src, const u32 numPixels) {
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u8 *dst = (u8 *)dst32;
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for (u32 x = 0; x < numPixels; x++) {
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u16 col = src[x];
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dst[x * 4] = Convert5To8((col) & 0x1f);
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dst[x * 4 + 1] = Convert6To8((col >> 5) & 0x3f);
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dst[x * 4 + 2] = Convert5To8((col >> 11) & 0x1f);
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dst[x * 4 + 3] = 255;
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}
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}
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void ConvertRGBA5551ToRGBA8888(u32 *dst32, const u16 *src, const u32 numPixels) {
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u8 *dst = (u8 *)dst32;
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for (u32 x = 0; x < numPixels; x++) {
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u16 col = src[x];
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dst[x * 4] = Convert5To8((col) & 0x1f);
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dst[x * 4 + 1] = Convert5To8((col >> 5) & 0x1f);
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dst[x * 4 + 2] = Convert5To8((col >> 10) & 0x1f);
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dst[x * 4 + 3] = (col >> 15) ? 255 : 0;
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}
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}
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void ConvertRGBA4444ToRGBA8888(u32 *dst32, const u16 *src, const u32 numPixels) {
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u8 *dst = (u8 *)dst32;
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for (u32 x = 0; x < numPixels; x++) {
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u16 col = src[x];
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dst[x * 4] = Convert4To8((col >> 8) & 0xf);
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dst[x * 4 + 1] = Convert4To8((col >> 4) & 0xf);
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dst[x * 4 + 2] = Convert4To8(col & 0xf);
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dst[x * 4 + 3] = Convert4To8(col >> 12);
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}
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}
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void ConvertBGRA4444ToRGBA8888(u32 *dst32, const u16 *src, const u32 numPixels) {
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u8 *dst = (u8 *)dst32;
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for (u32 x = 0; x < numPixels; x++) {
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u16 col = src[x];
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dst[x * 4 + 0] = (col >> 12) << 4;
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dst[x * 4 + 1] = ((col >> 8) & 0xf) << 4;
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dst[x * 4 + 2] = ((col >> 4) & 0xf) << 4;
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dst[x * 4 + 3] = (col & 0xf) << 4;
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}
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}
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inline void ARGB8From565(u16 c, u32 * dst) {
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*dst = ((c & 0x001f) << 19) | (((c >> 5) & 0x003f) << 11) | ((((c >> 10) & 0x001f) << 3)) | 0xFF000000;
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}
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inline void ARGB8From5551(u16 c, u32 * dst) {
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*dst = ((c & 0x001f) << 19) | (((c >> 5) & 0x001f) << 11) | ((((c >> 10) & 0x001f) << 3)) | 0xFF000000;
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}
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void ConvertBGRA5551ToRGBA8888(u32 *dst, const u16 *src, const u32 numPixels) {
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for (u32 x = 0; x < numPixels; x++) {
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u16 col0 = src[x];
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ARGB8From5551(col0, &dst[x]);
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}
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}
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void ConvertBGR565ToRGBA8888(u32 *dst, const u16 *src, const u32 numPixels) {
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for (u32 x = 0; x < numPixels; x++) {
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u16 col0 = src[x];
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ARGB8From565(col0, &dst[x]);
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}
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} |