From afb6f88af1f451cdcfe6fe3e206cf0f9a073df86 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Fri, 30 Dec 2016 01:26:45 -0500 Subject: [PATCH] Remade texture decoding/encoding --- src/video_core/CMakeLists.txt | 2 + .../renderer_opengl/gl_rasterizer_cache.cpp | 329 +++++++++---- src/video_core/texture_codecs/codecs.cpp | 435 ++++++++++++++++++ src/video_core/texture_codecs/codecs.h | 44 ++ 4 files changed, 712 insertions(+), 98 deletions(-) create mode 100644 src/video_core/texture_codecs/codecs.cpp create mode 100644 src/video_core/texture_codecs/codecs.h diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt index 6ca319b59..5e70bee7f 100644 --- a/src/video_core/CMakeLists.txt +++ b/src/video_core/CMakeLists.txt @@ -6,6 +6,7 @@ set(SRCS renderer_opengl/gl_state.cpp renderer_opengl/renderer_opengl.cpp debug_utils/debug_utils.cpp + texture_codecs/codecs.cpp clipper.cpp command_processor.cpp pica.cpp @@ -21,6 +22,7 @@ set(SRCS set(HEADERS debug_utils/debug_utils.h + texture_codecs/codecs.h renderer_opengl/gl_rasterizer.h renderer_opengl/gl_rasterizer_cache.h renderer_opengl/gl_resource_manager.h diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp index 85aa06cd5..0dcf111ae 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp @@ -18,6 +18,7 @@ #include "core/frontend/emu_window.h" #include "core/memory.h" #include "video_core/debug_utils/debug_utils.h" +#include "video_core/texture_codecs/codecs.h" #include "video_core/pica_state.h" #include "video_core/renderer_opengl/gl_rasterizer_cache.h" #include "video_core/renderer_opengl/gl_state.h" @@ -54,55 +55,6 @@ RasterizerCacheOpenGL::~RasterizerCacheOpenGL() { FlushAll(); } -static void MortonCopyPixels(CachedSurface::PixelFormat pixel_format, u32 width, u32 height, - u32 bytes_per_pixel, u32 gl_bytes_per_pixel, u8* morton_data, - u8* gl_data, bool morton_to_gl) { - using PixelFormat = CachedSurface::PixelFormat; - - u8* data_ptrs[2]; - u32 depth_stencil_shifts[2] = {24, 8}; - - if (morton_to_gl) { - std::swap(depth_stencil_shifts[0], depth_stencil_shifts[1]); - } - - if (pixel_format == PixelFormat::D24S8) { - for (unsigned y = 0; y < height; ++y) { - for (unsigned x = 0; x < width; ++x) { - const u32 coarse_y = y & ~7; - u32 morton_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + - coarse_y * width * bytes_per_pixel; - u32 gl_pixel_index = (x + (height - 1 - y) * width) * gl_bytes_per_pixel; - - data_ptrs[morton_to_gl] = morton_data + morton_offset; - data_ptrs[!morton_to_gl] = &gl_data[gl_pixel_index]; - - // Swap depth and stencil value ordering since 3DS does not match OpenGL - u32 depth_stencil; - memcpy(&depth_stencil, data_ptrs[1], sizeof(u32)); - depth_stencil = (depth_stencil << depth_stencil_shifts[0]) | - (depth_stencil >> depth_stencil_shifts[1]); - - memcpy(data_ptrs[0], &depth_stencil, sizeof(u32)); - } - } - } else { - for (unsigned y = 0; y < height; ++y) { - for (unsigned x = 0; x < width; ++x) { - const u32 coarse_y = y & ~7; - u32 morton_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + - coarse_y * width * bytes_per_pixel; - u32 gl_pixel_index = (x + (height - 1 - y) * width) * gl_bytes_per_pixel; - - data_ptrs[morton_to_gl] = morton_data + morton_offset; - data_ptrs[!morton_to_gl] = &gl_data[gl_pixel_index]; - - memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel); - } - } - } -} - void RasterizerCacheOpenGL::BlitTextures(GLuint src_tex, GLuint dst_tex, CachedSurface::SurfaceType type, const MathUtil::Rectangle& src_rect, @@ -224,6 +176,205 @@ static void AllocateSurfaceTexture(GLuint texture, CachedSurface::PixelFormat pi cur_state.Apply(); } +// TODO: refactor this function into a factory method, sepparating format decoding +// from ogl texture loading. Thus the decoder could be used for different backends. +static void DecodeTexture(const CachedSurface& params, u8* texture_src_data, FormatTuple tuple) { + CachedSurface::PixelFormat format = params.pixel_format; + int invalid_conditions = 0; + invalid_conditions |= (texture_src_data == 0); + invalid_conditions |= (params.width < 8); + invalid_conditions |= (params.height < 8); + if (invalid_conditions) { + LOG_CRITICAL(Render_OpenGL, "Invalid Texture sent to decoder! "); + return; + } + switch (format) { + case CachedSurface::PixelFormat::RGBA8: { + u8* tex_buffer = new u8[params.width * params.height * 4]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tex_buffer, params.width, params.height, 4 + ); + Pica::Decoders::BigEndian( + reinterpret_cast(tex_buffer), params.width, params.height + ); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer + ); + // FIXME: swizzle would work perfectly iff + // flushing surfaces wouldnt mess it up + // it would be ideal to use swizzling instead of BigEndianDecoding + // in either case, this could be tracked and fixed on the + // fragment shader. + //if (!params.flushed) { + //GLint swiz[4] = {GL_ALPHA, GL_BLUE, GL_GREEN, GL_RED}; + //glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, swiz); + //} + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::RGB8: { + u8* tex_buffer = new u8[params.width * params.height * 3]; + Pica::Decoders::Morton( + texture_src_data, tex_buffer, params.width, params.height, 3 + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, GL_BGR, GL_UNSIGNED_BYTE, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::RGB5A1: { + u8* tex_buffer = new u8[params.width * params.height * 2]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tex_buffer, params.width, params.height, 2 + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 2); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::RGB565: { + u8* tex_buffer = new u8[params.width * params.height * 2]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tex_buffer, params.width, params.height, 2 + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 2); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::RGBA4: { + u8* tex_buffer = new u8[params.width * params.height * 2]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tex_buffer, params.width, params.height, 2 + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 2); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::RG8: { + u8* tex_buffer = new u8[params.width * params.height * 2]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tex_buffer, params.width >> 1, params.height >> 1, 2 + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 2); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, GL_RG, GL_UNSIGNED_BYTE, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::D16: { + u8* tex_buffer = new u8[params.width * params.height * 2]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tex_buffer, params.width, params.height, 2 + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 2); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, tuple.format, tuple.type, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::D24: { + u8* tex_buffer = new u8[params.width * params.height * 4]; + Pica::Decoders::MortonU24_U32( + texture_src_data, tex_buffer, params.width, params.height + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, tuple.format, tuple.type, tex_buffer + ); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + delete tex_buffer; + return; + } + case CachedSurface::PixelFormat::D24S8: { + u32 size = params.width * params.height; + u8* tmp_buffer = new u8[size * 4]; + u8* in_buffer = texture_src_data; + Pica::Decoders::Morton( + in_buffer, tmp_buffer, params.width, params.height, 4 + ); + u32* tex_buffer = reinterpret_cast(tmp_buffer); + Pica::Decoders::Depth(tex_buffer, params.width, params.height); + glTexImage2D( + GL_TEXTURE_2D, 0, tuple.internal_format, params.width, + params.height, 0, tuple.format, tuple.type, tex_buffer + ); + // FIXME: swizzle requires to be set up on glstate in order to work + // correctly. + // GLint swiz[4] = {GL_GREEN, GL_BLUE, GL_ALPHA, GL_RED}; + // glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, swiz); + delete tex_buffer; + return; + } + // TODO: ETC1 and ETCA4 need a decoder + // Fallback to LookupTexture + case CachedSurface::PixelFormat::ETC1: + case CachedSurface::PixelFormat::ETC1A4: + default: { + break; + } + } + u32* tex_buffer = new u32[params.width * params.height]; + Pica::DebugUtils::TextureInfo tex_info; + tex_info.width = params.width; + tex_info.height = params.height; + tex_info.stride = + params.width * CachedSurface::GetFormatBpp(params.pixel_format) / 8; + tex_info.format = (Pica::Regs::TextureFormat)params.pixel_format; + tex_info.physical_address = params.addr; + + for (unsigned y = 0; y < params.height; ++y) { + for (unsigned x = 0; x < params.width; ++x) { + Math::Vec4 v = Pica::DebugUtils::LookupTexture( + texture_src_data, x, params.height - 1 - y, tex_info); + tex_buffer[x + y*params.width] = *reinterpret_cast(v.AsArray()); + } + } + glTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format, params.width, params.height, + 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer); + delete tex_buffer; + return; +} + MICROPROFILE_DEFINE(OpenGL_SurfaceUpload, "OpenGL", "Surface Upload", MP_RGB(128, 64, 192)); CachedSurface* RasterizerCacheOpenGL::GetSurface(const CachedSurface& params, bool match_res_scale, bool load_if_create) { @@ -337,52 +488,14 @@ CachedSurface* RasterizerCacheOpenGL::GetSurface(const CachedSurface& params, bo // Texture tuple = {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE}; } - - std::vector> tex_buffer(params.width * params.height); - - Pica::DebugUtils::TextureInfo tex_info; - tex_info.width = params.width; - tex_info.height = params.height; - tex_info.stride = - params.width * CachedSurface::GetFormatBpp(params.pixel_format) / 8; - tex_info.format = (Pica::Regs::TextureFormat)params.pixel_format; - tex_info.physical_address = params.addr; - - for (unsigned y = 0; y < params.height; ++y) { - for (unsigned x = 0; x < params.width; ++x) { - tex_buffer[x + params.width * y] = Pica::DebugUtils::LookupTexture( - texture_src_data, x, params.height - 1 - y, tex_info); - } - } - - glTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format, params.width, params.height, - 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer.data()); + DecodeTexture(params, texture_src_data, tuple); } else { // Depth/Stencil formats need special treatment since they aren't sampleable using // LookupTexture and can't use RGBA format size_t tuple_idx = (size_t)params.pixel_format - 14; ASSERT(tuple_idx < depth_format_tuples.size()); const FormatTuple& tuple = depth_format_tuples[tuple_idx]; - - u32 bytes_per_pixel = CachedSurface::GetFormatBpp(params.pixel_format) / 8; - - // OpenGL needs 4 bpp alignment for D24 since using GL_UNSIGNED_INT as type - bool use_4bpp = (params.pixel_format == PixelFormat::D24); - - u32 gl_bytes_per_pixel = use_4bpp ? 4 : bytes_per_pixel; - - std::vector temp_fb_depth_buffer(params.width * params.height * - gl_bytes_per_pixel); - - u8* temp_fb_depth_buffer_ptr = - use_4bpp ? temp_fb_depth_buffer.data() + 1 : temp_fb_depth_buffer.data(); - - MortonCopyPixels(params.pixel_format, params.width, params.height, bytes_per_pixel, - gl_bytes_per_pixel, texture_src_data, temp_fb_depth_buffer_ptr, - true); - - glTexImage2D(GL_TEXTURE_2D, 0, tuple.internal_format, params.width, params.height, - 0, tuple.format, tuple.type, temp_fb_depth_buffer.data()); + DecodeTexture(params, texture_src_data, tuple); } } @@ -716,9 +829,10 @@ void RasterizerCacheOpenGL::FlushSurface(CachedSurface* surface) { // Directly copy pixels. Internal OpenGL color formats are consistent so no conversion // is necessary. - MortonCopyPixels(surface->pixel_format, surface->width, surface->height, - bytes_per_pixel, bytes_per_pixel, dst_buffer, temp_gl_buffer.data(), - false); + Pica::Encoders::Morton( + temp_gl_buffer.data(), dst_buffer, + surface->width, surface->height, bytes_per_pixel + ); } else { // Depth/Stencil formats need special treatment since they aren't sampleable using // LookupTexture and can't use RGBA format @@ -730,18 +844,37 @@ void RasterizerCacheOpenGL::FlushSurface(CachedSurface* surface) { // OpenGL needs 4 bpp alignment for D24 since using GL_UNSIGNED_INT as type bool use_4bpp = (surface->pixel_format == PixelFormat::D24); - u32 gl_bytes_per_pixel = use_4bpp ? 4 : bytes_per_pixel; std::vector temp_gl_buffer(surface->width * surface->height * gl_bytes_per_pixel); glGetTexImage(GL_TEXTURE_2D, 0, tuple.format, tuple.type, temp_gl_buffer.data()); - u8* temp_gl_buffer_ptr = use_4bpp ? temp_gl_buffer.data() + 1 : temp_gl_buffer.data(); - - MortonCopyPixels(surface->pixel_format, surface->width, surface->height, - bytes_per_pixel, gl_bytes_per_pixel, dst_buffer, temp_gl_buffer_ptr, - false); + switch (surface->pixel_format) { + case PixelFormat::D24: { + Pica::Encoders::Morton( + temp_gl_buffer.data(), dst_buffer, + surface->width, surface->height, 4 + ); + break; + } + case PixelFormat::D24S8: { + Pica::Encoders::Morton( + temp_gl_buffer.data(), dst_buffer, + surface->width, surface->height, 4 + ); + u32* tex_buffer = reinterpret_cast(dst_buffer); + Pica::Encoders::Depth(tex_buffer, surface->width, surface->height); + break; + } + default: { + Pica::Encoders::Morton( + temp_gl_buffer.data(), dst_buffer, + surface->width, surface->height, bytes_per_pixel + ); + break; + } + } } } diff --git a/src/video_core/texture_codecs/codecs.cpp b/src/video_core/texture_codecs/codecs.cpp new file mode 100644 index 000000000..fb235897f --- /dev/null +++ b/src/video_core/texture_codecs/codecs.cpp @@ -0,0 +1,435 @@ +#include "video_core/texture_codecs/codecs.h" +#include "common/assert.h" +#include + + /* + * Static compilers can't always detect if vectorization is possible, + * if the programmer is 100% sure it's, possible to vectorize a set + * of actions, it can hint the compiler that it can vectorize a loop + * unconditionaly. + */ + #ifdef _MSC_VER + #define VECTORIZE_NEXT _Pragma("loop( ivdep )") + #elif __GNUC__ + #define VECTORIZE_NEXT _Pragma("GCC ivdep") + #elif __clang__ + #define VECTORIZE_NEXT _Pragma("clang loop vectorize(enable) interleave(enable)") + #else + #define VECTORIZE_NEXT + #endif + + //Note: The function layout is made on purpose to help the compiler + //unfold the loop and simplify the moves to the best appropiate type in use. + //compiling for ivy-bridge-up will unfold the loop further and use AVX2 + template + inline void decode_simple(T* from, T* out) { + out[0] = from[0]; + out[1] = from[1]; + } + + template <> + inline void decode_simple(u32* from, u32* out) { + u64* out1 = reinterpret_cast(out); + u64* from1 = reinterpret_cast(from); + out1[0] = from1[0]; + } + + template <> + inline void decode_simple(u16* from, u16* out) { + u32* out1 = reinterpret_cast(out); + u32* from1 = reinterpret_cast(from); + out1[0] = from1[0]; + } + + template <> + inline void decode_simple(u8* from, u8* out) { + u16* out1 = reinterpret_cast(out); + u16* from1 = reinterpret_cast(from); + out1[0] = from1[0]; + } + + template + inline void encode_simple(T* from, T* out) { + from[0] = out[0]; + from[1] = out[1]; + } + + template <> + inline void encode_simple(u32* from, u32* out) { + u64* out1 = reinterpret_cast(out); + u64* from1 = reinterpret_cast(from); + from1[0] = out1[0]; + } + + template <> + inline void encode_simple(u16* from, u16* out) { + u32* out1 = reinterpret_cast(out); + u32* from1 = reinterpret_cast(from); + from1[0] = out1[0]; + } + + template <> + inline void encode_simple(u8* from, u8* out) { + u16* out1 = reinterpret_cast(out); + u16* from1 = reinterpret_cast(from); + from1[0] = out1[0]; + } + + template + inline void decode_u4(T* from, T* out) { + out[0] = (from[0] & 0x0F); + out[1] = (from[0] & 0xF0) >> 4; + } + + template + inline void decode_u24(T* from, T* out) { + out[0] = from[0]; + out[1] = from[1]; + out[2] = from[2]; + out[3] = from[3]; + out[4] = from[4]; + out[5] = from[5]; + } + + template + inline void encode_u24(T* from, T* out) { + from[0] = out[0]; + from[1] = out[1]; + from[2] = out[2]; + from[3] = out[3]; + from[4] = out[4]; + from[5] = out[5]; + } + + template + inline void decode_depth(T* from, T* out) { + out[0] = from[0]; + out[1] = from[1]; + out[2] = from[2]; + out[3] = 0; + out[4] = from[3]; + out[5] = from[4]; + out[6] = from[5]; + out[7] = 0; + } + + template + inline void encode_depth(T* from, T* out) { + out[0] = from[0]; + out[1] = from[1]; + out[2] = from[2]; + out[3] = from[4]; + out[4] = from[5]; + out[5] = from[6]; + } + + template + inline void morton_block2x2(T* from, T* &w1, T* &w2) { + func(from, w1); + w1 += write_size*2; + func(from + read_size*2, w2); + w2 += write_size*2; + } + + template + inline void morton_block4x4(T* from, T** w1, T** w2) { + T* tmp_block = from; + morton_block2x2(tmp_block, w1[0], w1[1]); + tmp_block += read_size*4; + morton_block2x2(tmp_block, w1[0], w1[1]); + tmp_block += read_size*4; + morton_block2x2(tmp_block, w2[0], w2[1]); + tmp_block += read_size*4; + morton_block2x2(tmp_block, w2[0], w2[1]); + } + + template + inline void morton_block8x8( T* from, T** cursors ) { + T* tmp_block = from; + morton_block4x4(tmp_block, &cursors[0], &cursors[2]); + tmp_block += read_size*16; + morton_block4x4(tmp_block, &cursors[0], &cursors[2]); + tmp_block += read_size*16; + morton_block4x4(tmp_block, &cursors[4], &cursors[6]); + tmp_block += read_size*16; + morton_block4x4(tmp_block, &cursors[4], &cursors[6]); + } + + template + inline void rewind_cursors(T** cursors, T* write_p, u32 width) { + cursors[0] = write_p; + cursors[1] = write_p - read_size*width; + cursors[2] = write_p - read_size*2*width; + cursors[3] = write_p - read_size*3*width; + cursors[4] = write_p - read_size*4*width; + cursors[5] = write_p - read_size*5*width; + cursors[6] = write_p - read_size*6*width; + cursors[7] = write_p - read_size*7*width; + } + + template + inline void morton(T* in_p, T* write_p, u32 width, u32 height) { + u32 x_blocks = (width/8); + u32 y_blocks = (height/8); + T* block_pointer = in_p; + T* cursors[8]; + u32 step = (8*width)*write_size; + write_p += read_size*(width*(height - 1)); + for (u32 y = 0; y != y_blocks; y++) { + rewind_cursors(cursors,write_p,width); + VECTORIZE_NEXT for (u32 x = 0; x != x_blocks; x++) { + morton_block8x8(block_pointer, cursors); + block_pointer += 64*read_size; + } + write_p -= step; + } + } + + // These macros are used to unroll/unfold the same action on tight loops + // should be used on actions that don't branch the pipeline. + // Static compilers can't detect unrollable loops easily. Normaly, + // they require some profiling data to unroll loops. + #define LOOP_UNROLL_1(CODE) CODE + #define LOOP_UNROLL_2(CODE) LOOP_UNROLL_1(CODE); LOOP_UNROLL_1(CODE) + #define LOOP_UNROLL_4(CODE) LOOP_UNROLL_2(CODE); LOOP_UNROLL_2(CODE) + #define LOOP_UNROLL_8(CODE) LOOP_UNROLL_4(CODE); LOOP_UNROLL_4(CODE) + #define LOOP_UNROLL_16(CODE) LOOP_UNROLL_8(CODE); LOOP_UNROLL_8(CODE) + + template + inline void map_image(T* &out_buffer, u32 width, u32 height) { + u32 writes = width*height/16; // 16 unfolds + VECTORIZE_NEXT for(u32 i = 0; i != writes; i++) { + LOOP_UNROLL_16(func(out_buffer)); + } + // Now just do the rest + writes = width*height - (writes*16); + u32 jump = (writes % 8); + // This form of loop unfolding works for every set of data at the + // expense of not marshelling/vectorizing but won't break the pipeline + switch (jump) { + do { + jump = 8; + func(out_buffer); + case 7: + func(out_buffer); + case 6: + func(out_buffer); + case 5: + func(out_buffer); + case 4: + func(out_buffer); + case 3: + func(out_buffer); + case 2: + func(out_buffer); + case 1: + func(out_buffer); + case 0: + default: + writes -= jump; + } while (writes != 0); + } + } + + // Big Endian Decoding + + template + inline void big_endian_write(T* &out_buffer) { + int size = sizeof(T) >> 3; + u8* b = reinterpret_cast(&out_buffer); + u8 tmp[size]; + for(u32 i = 0; i != size; i++) + tmp[i] = b[i]; + for(u32 i = 0; i != size; i++) + b[i] = tmp[size-1-i]; + out_buffer++; + } + + inline void big_u32(u8* &out_buffer) { + u8* b = (out_buffer); + u8 tmp[4] = { b[3], b[2], b[1], b[0] }; + b[0] = tmp[0]; + b[1] = tmp[1]; + b[2] = tmp[2]; + b[3] = tmp[3]; + out_buffer+=4; + } + + static inline void rotateLeft(u32* &out_buffer) { + out_buffer[0] = (out_buffer[0] >> 24) | (out_buffer[0] << 8); + out_buffer++; + } + + static inline void rotateRight(u32* &out_buffer) { + out_buffer[0] = (out_buffer[0] >> 8) | (out_buffer[0] << 24); + out_buffer++; + } + + constexpr u8 Convert4To8(u8 value) { + return (value << 4) | value; + } + + inline void nimble_write(u8* &in_buffer, u8* &out_buffer) { + out_buffer[0] = Convert4To8((*in_buffer & 0xF0) >> 4); + out_buffer[1] = Convert4To8(*in_buffer & 0x0F); + in_buffer++; + out_buffer+=2; + } + +namespace Pica { + +namespace Encoders { + + bool Morton(u8* in_buffer, u8* out_buffer, u32 width, u32 height, u32 bytespp) { + // Sanity checks + std::swap(in_buffer,out_buffer); + ASSERT(in_buffer != nullptr && out_buffer != nullptr); + ASSERT(((u64)in_buffer & 3) == 0); + ASSERT(((u64)out_buffer & 3) == 0); + ASSERT(width >= 8); + ASSERT(height >= 8); + ASSERT((width*height) % 64 == 0); + switch(bytespp) { + case 1: { + morton( + in_buffer, out_buffer, width, height + ); + return true; + break; + } + case 2: { + morton( + reinterpret_cast(in_buffer), reinterpret_cast(out_buffer), + width, height + ); + return true; + break; + } + case 3: { + morton( + in_buffer, out_buffer, + width, height + ); + return true; + break; + } + case 4: { + morton( + reinterpret_cast(in_buffer), reinterpret_cast(out_buffer), + width, height + ); + return true; + break; + } + case 8: { + morton( + reinterpret_cast(in_buffer), reinterpret_cast(out_buffer), + width, height + ); + return true; + break; + } + default: { + return false; + break; + } + } + } + + void MortonU32_U24(u8* in_buffer, u8* out_buffer, u32 width, u32 height) { + morton(in_buffer, out_buffer, width, height); + } + + void Depth(u32* out_buffer, u32 width, u32 height) { + map_image(out_buffer,width,height); + } + +} // Encoders + +namespace Decoders { + + void MortonU24_U32(u8* in_buffer, u8* out_buffer, u32 width, u32 height) { + morton(in_buffer, out_buffer, width, height); + } + + bool Morton(u8* in_buffer, u8* out_buffer, u32 width, u32 height, u32 bytespp) { + // Sanity checks + ASSERT(in_buffer != nullptr && out_buffer != nullptr); + ASSERT(((u64)in_buffer & 3) == 0); + ASSERT(((u64)out_buffer & 3) == 0); + ASSERT(width >= 8); + ASSERT(height >= 8); + ASSERT((width*height) % 64 == 0); + switch(bytespp) { + case 1: { + morton( + in_buffer, out_buffer, width, height + ); + return true; + break; + } + case 2: { + morton( + reinterpret_cast(in_buffer), reinterpret_cast(out_buffer), + width, height + ); + return true; + break; + } + case 3: { + morton( + in_buffer, out_buffer, + width, height + ); + return true; + break; + } + case 4: { + morton( + reinterpret_cast(in_buffer), reinterpret_cast(out_buffer), + width, height + ); + return true; + break; + } + case 8: { + morton( + reinterpret_cast(in_buffer), reinterpret_cast(out_buffer), + width, height + ); + return true; + break; + } + default: { + return false; + break; + } + } + } + + void BigEndian(u32* out_buffer, u32 width, u32 height) { + u8* tmp = reinterpret_cast(out_buffer); + map_image(tmp,width,height); + } + + void Depth(u32* out_buffer, u32 width, u32 height) { + map_image(out_buffer,width,height); + } + + //Nimbles + + void Nimbles(u8* in_buffer, u8* out_buffer, u32 width, u32 height) { + u32 writes = width*height/32; // 16 unfolds + for(u32 i = 0; i != writes; i++) { + LOOP_UNROLL_16(nimble_write(in_buffer, out_buffer)); + } + // Now just do the rest + writes = width*height - (writes*32); + for(u32 i = 0; i != writes; i++) { + LOOP_UNROLL_1(nimble_write(in_buffer, out_buffer)); + } + } + +} // TextureUtils + +} // Pica diff --git a/src/video_core/texture_codecs/codecs.h b/src/video_core/texture_codecs/codecs.h new file mode 100644 index 000000000..d35064a04 --- /dev/null +++ b/src/video_core/texture_codecs/codecs.h @@ -0,0 +1,44 @@ + +#pragma once + +#include "common/common_types.h" + +namespace Pica { + +namespace Encoders { + /** + * Encodes textures in raw texel data into z-order/morton-order + * @param in_buffer pointer to the texture that needs encoding. + * @param out_buffer pointer to a buffer where the encoded image will be written. + * @param width texture's width + * @param width texture's height + * @param bytespp bytes per pixel + */ + bool Morton(u8* in_buffer, u8* out_buffer, u32 width, u32 height, u32 bytespp); + void MortonU32_U24(u8* in_buffer, u8* out_buffer, u32 width, u32 height); + + void Depth(u32* out_buffer, u32 width, u32 height); + +} // Encoders + +namespace Decoders { + + /** + * Decodes textures using z-order/morton-order into raw texel data + * @param in_buffer pointer to the texture that needs decoding. + * @param out_buffer pointer to a buffer where the decoded image will be written. + * @param width texture's width + * @param width texture's height + * @param bytespp bytes per pixel + */ + bool Morton(u8* in_buffer, u8* out_buffer, u32 width, u32 height, u32 bytespp); + void MortonU24_U32(u8* in_buffer, u8* out_buffer, u32 width, u32 height); + + void BigEndian(u32* out_buffer, u32 width, u32 height); + + void Depth(u32* out_buffer, u32 width, u32 height); + + void Nimbles(u8* in_buffer, u8* out_buffer, u32 width, u32 height); +} // Decoders + +} // Pica