// license:BSD-3-Clause // copyright-holders:Couriersud //============================================================ // INLINE //============================================================ inline uint32_t premult32(const uint32_t pixel) { const uint16_t a = (pixel >> 24) & 0xff; const uint16_t r = (pixel >> 16) & 0xff; const uint16_t g = (pixel >> 8) & 0xff; const uint16_t b = (pixel >> 0) & 0xff; return 0xFF000000 | ((r * a) / 255) << 16 | ((g * a) / 255) << 8 | ((b * a) / 255); } inline uint32_t CLUL(const uint32_t x) { return ((int32_t) x < 0) ? 0 : ((x > 65535) ? 255 : x >> 8); } inline uint32_t ycc_to_rgb(const uint8_t y, const uint8_t cb, const uint8_t cr) { const uint32_t common = 298 * y - 56992; const uint32_t r = (common + 409 * cr); const uint32_t g = (common - 100 * cb - 208 * cr + 91776); const uint32_t b = (common + 516 * cb - 13696); return 0xff000000 | (CLUL(r)<<16) | (CLUL(g)<<8) | (CLUL(b)); } inline uint32_t pixel_ycc_to_rgb(const uint16_t *pixel) { const uint32_t p = *(uint32_t *)((uintptr_t) pixel & ~3); return ycc_to_rgb((*pixel >> 8) & 0xff, (p) & 0xff, (p>>16) & 0xff); } inline uint32_t pixel_ycc_to_rgb_pal(const uint16_t *pixel, const rgb_t *palette) { const uint32_t p = *(uint32_t *)((uintptr_t) pixel & ~3); return ycc_to_rgb(palette[(*pixel >> 8) & 0xff], (p) & 0xff, (p>>16) & 0xff); } //============================================================ // Pixel conversions //============================================================ #define FUNC_DEF(source) op(const source &src, const rgb_t *palbase) const #define FUNCTOR(name, x) \ template \ struct name { _dest FUNC_DEF(_source) { x } }; FUNCTOR(op_argb32_argb32, return src; ) FUNCTOR(op_rgb32_argb32, return src | 0xff000000; ) FUNCTOR(op_pal16_argb32, return 0xff000000 |palbase[src]; ) FUNCTOR(op_pal16_rgb32, return palbase[src]; ) FUNCTOR(op_rgb32pal_argb32, return palbase[0x200 + (((src) >> 16) & 0xff) ] | palbase[0x100 + (((src) >> 8) & 0xff) ] | palbase[((src) & 0xff) ] | 0xff000000; ) FUNCTOR(op_pal16a_argb32, return palbase[src]; ) FUNCTOR(op_rgb15_argb32, return 0xff000000 | ((src & 0x7c00) << 9) | ((src & 0x03e0) << 6) | ((src & 0x001f) << 3) | ((((src & 0x7c00) << 9) | ((src & 0x03e0) << 6) | ((src & 0x001f) << 3) >> 5) & 0x070707); ) FUNCTOR(op_rgb15pal_argb32, return 0xff000000 | palbase[0x40 + ((src >> 10) & 0x1f)] | palbase[0x20 + ((src >> 5) & 0x1f)] | palbase[0x00 + ((src >> 0) & 0x1f)]; ) FUNCTOR(op_argb32_rgb32, return premult32(src); ) FUNCTOR(op_pal16a_rgb32, return premult32(palbase[src]); ) FUNCTOR(op_pal16_argb1555, return (palbase[src]&0xf80000) >> 9 | (palbase[src]&0x00f800) >> 6 | (palbase[src]&0x0000f8) >> 3 | 0x8000; ) FUNCTOR(op_rgb15_argb1555, return src | 0x8000; ) FUNCTOR(op_rgb15pal_argb1555, return (palbase[src >> 10] & 0xf8) << 7 | (palbase[(src >> 5) & 0x1f] & 0xf8) << 2 | (palbase[src & 0x1f] & 0xf8) >> 3 | 0x8000; ) FUNCTOR(op_yuv16_uyvy, return src; ) FUNCTOR(op_yuv16pal_uyvy, return (palbase[(src >> 8) & 0xff] << 8) | (src & 0x00ff); ) // FIXME: wrong ... see non_pal version FUNCTOR(op_yuv16pal_yvyu, return (palbase[(src >> 8) & 0xff] & 0xff) | ((src & 0xff) << 8); ) FUNCTOR(op_yuv16_yvyu, return ((src & 0xff00ff00) >> 8 ) | (src << 24) | ((src >> 8) & 0x00ff00); ) FUNCTOR(op_yuv16_yuy2, return ((src & 0xff00ff00) >> 8) | ((src & 0x00ff00ff) << 8); ) FUNCTOR(op_yuv16pal_yuy2, return (palbase[(src>>8) & 0xff]) | (palbase[(src>>24) & 0xff]<<16) | ((src<<8)&0xff00ff00);) FUNCTOR(op_yuv16_argb32, return (uint64_t) ycc_to_rgb((src >> 8) & 0xff, src & 0xff , (src>>16) & 0xff) | ((uint64_t)ycc_to_rgb((src >> 24) & 0xff, src & 0xff , (src>>16) & 0xff) << 32); ) FUNCTOR(op_yuv16pal_argb32, return (uint64_t)ycc_to_rgb(palbase[(src >> 8) & 0xff], src & 0xff , (src>>16) & 0xff) | ((uint64_t)ycc_to_rgb(palbase[(src >> 24) & 0xff], src & 0xff , (src>>16) & 0xff) << 32);) FUNCTOR(op_yuv16_argb32rot, return pixel_ycc_to_rgb(&src) ; ) FUNCTOR(op_yuv16pal_argb32rot, return pixel_ycc_to_rgb_pal(&src, palbase); ) //============================================================ // Copy and rotation //============================================================ struct blit_base { blit_base(int dest_bpp, bool is_rot, bool is_passthrough) : m_dest_bpp(dest_bpp), m_is_rot(is_rot), m_is_passthrough(is_passthrough) { } virtual ~blit_base() { } virtual void texop(const texture_info *texture, const render_texinfo *texsource) const = 0; int m_dest_bpp; bool m_is_rot; bool m_is_passthrough; }; template struct blit_texcopy : public blit_base { blit_texcopy() : blit_base(sizeof(_dest_type) / _len_div, false, false) { } void texop(const texture_info *texture, const render_texinfo *texsource) const override { ATTR_UNUSED const rgb_t *palbase = texsource->palette; int x, y; /* loop over Y */ for (y = 0; y < texsource->height; y++) { _src_type *src = (_src_type *)texsource->base + y * texsource->rowpixels / (_len_div); _dest_type *dst = (_dest_type *)((uint8_t *)texture->m_pixels + y * texture->m_pitch); x = texsource->width / (_len_div); while (x > 0) { *dst++ = m_op.op(*src, palbase); ++src; x--; } } } private: _op m_op; }; #define TEXCOPYA(a, b, c, d) \ const struct blit_texcopy, d> texcopy_ ## a; template struct blit_texrot : public blit_base { blit_texrot() : blit_base(sizeof(_dest_type), true, false) { } void texop(const texture_info *texture, const render_texinfo *texsource) const override { ATTR_UNUSED const rgb_t *palbase = texsource->palette; int x, y; const quad_setup_data *setup = &texture->m_setup; int dudx = setup->dudx; int dvdx = setup->dvdx; /* loop over Y */ for (y = 0; y < setup->rotheight; y++) { int32_t curu = setup->startu + y * setup->dudy; int32_t curv = setup->startv + y * setup->dvdy; _dest_type *dst = (_dest_type *)((uint8_t *)texture->m_pixels + y * texture->m_pitch); x = setup->rotwidth; while (x>0) { _src_type *src = (_src_type *) texsource->base + (curv >> 16) * texsource->rowpixels + (curu >> 16); *dst++ = m_op.op(*src, palbase); curu += dudx; curv += dvdx; x--; } } } private: _op m_op; }; #define TEXROTA(a, b, c) \ const struct blit_texrot > texcopy_rot_ ## a; template struct blit_texpass : public blit_base { blit_texpass() : blit_base(sizeof(_dest_type), false, true) { } void texop(const texture_info *texture, const render_texinfo *texsource) const override { } }; #define TEXCOPYP(a, b, c) \ const struct blit_texpass texcopy_ ## a; TEXCOPYA(rgb32_argb32, uint32_t, uint32_t, 1) TEXCOPYP(rgb32_rgb32, uint32_t, uint32_t) TEXCOPYA(rgb32pal_argb32, uint32_t, uint32_t, 1) TEXCOPYA(pal16_argb32, uint16_t, uint32_t, 1) TEXCOPYA(pal16a_argb32, uint16_t, uint32_t, 1) TEXCOPYA(rgb15_argb32, uint16_t, uint32_t, 1) TEXCOPYA(rgb15pal_argb32, uint16_t, uint32_t, 1) TEXCOPYA(pal16_argb1555, uint16_t, uint16_t, 1) TEXCOPYA(rgb15_argb1555, uint16_t, uint16_t, 1) TEXCOPYA(rgb15pal_argb1555, uint16_t, uint16_t, 1) TEXCOPYP(argb32_argb32, uint32_t, uint32_t) TEXCOPYA(argb32_rgb32, uint32_t, uint32_t, 1) TEXCOPYA(pal16a_rgb32, uint16_t, uint32_t, 1) TEXCOPYA(yuv16_argb32, uint32_t, uint64_t, 2) TEXCOPYA(yuv16pal_argb32, uint32_t, uint64_t, 2) TEXCOPYP(yuv16_uyvy, uint16_t, uint16_t) TEXCOPYP(rgb15_rgb555, uint16_t, uint16_t) TEXCOPYA(yuv16pal_uyvy, uint16_t, uint16_t, 1) TEXCOPYA(yuv16_yvyu, uint32_t, uint32_t, 2) TEXCOPYA(yuv16pal_yvyu, uint16_t, uint16_t, 1) TEXCOPYA(yuv16_yuy2, uint32_t, uint32_t, 2) TEXCOPYA(yuv16pal_yuy2, uint32_t, uint32_t, 2) TEXROTA(argb32_argb32, uint32_t, uint32_t) TEXROTA(rgb32_argb32, uint32_t, uint32_t) TEXROTA(pal16_argb32, uint16_t, uint32_t) TEXROTA(pal16_rgb32, uint16_t, uint32_t) TEXROTA(rgb32pal_argb32, uint32_t, uint32_t) TEXROTA(pal16a_argb32, uint16_t, uint32_t) TEXROTA(rgb15_argb32, uint16_t, uint32_t) TEXROTA(rgb15pal_argb32, uint16_t, uint32_t) TEXROTA(pal16_argb1555, uint16_t, uint16_t) TEXROTA(rgb15_argb1555, uint16_t, uint16_t) TEXROTA(rgb15pal_argb1555, uint16_t, uint16_t) TEXROTA(argb32_rgb32, uint32_t, uint32_t) TEXROTA(pal16a_rgb32, uint16_t, uint32_t) TEXROTA(yuv16_argb32rot, uint16_t, uint32_t) TEXROTA(yuv16pal_argb32rot, uint16_t, uint32_t)