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https://github.com/Lime3DS/Lime3DS.git
synced 2024-12-25 17:21:55 +01:00
OpenGL Cache: Optimize Morton Copy to copy in tiles
Compiles two lookup arrays of functions for the different configurations of Morton Copy.
This commit is contained in:
James Rowe
parent
160ac25527
commit
e9e2d444ef
@ -46,6 +46,82 @@ static const std::array<FormatTuple, 4> depth_format_tuples = {{
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{GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8}, // D24S8
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}};
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static bool FillSurface(const Surface& surface, const u8* fill_data,
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const MathUtil::Rectangle<u32>& fill_rect) {
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OpenGLState state = OpenGLState::GetCurState();
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OpenGLState prev_state = state;
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SCOPE_EXIT({ prev_state.Apply(); });
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OpenGLState::ResetTexture(surface->texture.handle);
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state.scissor.enabled = true;
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state.scissor.x = static_cast<GLint>(fill_rect.left);
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state.scissor.y = static_cast<GLint>(std::min(fill_rect.top, fill_rect.bottom));
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state.scissor.width = static_cast<GLsizei>(fill_rect.GetWidth());
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state.scissor.height = static_cast<GLsizei>(fill_rect.GetHeight());
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state.draw.draw_framebuffer = transfer_framebuffers[1].handle;
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state.Apply();
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if (surface->type == SurfaceType::Color || surface->type == SurfaceType::Texture) {
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
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surface->texture.handle, 0);
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0,
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0);
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Pica::Texture::TextureInfo tex_info{};
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tex_info.format = static_cast<Pica::TexturingRegs::TextureFormat>(surface->pixel_format);
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Math::Vec4<u8> color = Pica::Texture::LookupTexture(fill_data, 0, 0, tex_info);
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std::array<GLfloat, 4> color_values = {color.x / 255.f, color.y / 255.f, color.z / 255.f,
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color.w / 255.f};
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state.color_mask.red_enabled = GL_TRUE;
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state.color_mask.green_enabled = GL_TRUE;
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state.color_mask.blue_enabled = GL_TRUE;
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state.color_mask.alpha_enabled = GL_TRUE;
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state.Apply();
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glClearBufferfv(GL_COLOR, 0, &color_values[0]);
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} else if (surface->type == SurfaceType::Depth) {
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
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surface->texture.handle, 0);
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
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u32 value_32bit = 0;
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GLfloat value_float;
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if (surface->pixel_format == SurfaceParams::PixelFormat::D16) {
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std::memcpy(&value_32bit, fill_data, 2);
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value_float = value_32bit / 65535.0f; // 2^16 - 1
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} else if (surface->pixel_format == SurfaceParams::PixelFormat::D24) {
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std::memcpy(&value_32bit, fill_data, 3);
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value_float = value_32bit / 16777215.0f; // 2^24 - 1
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}
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state.depth.write_mask = GL_TRUE;
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state.Apply();
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glClearBufferfv(GL_DEPTH, 0, &value_float);
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} else if (surface->type == SurfaceType::DepthStencil) {
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0);
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D,
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surface->texture.handle, 0);
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u32 value_32bit;
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std::memcpy(&value_32bit, fill_data, 4);
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GLfloat value_float = (value_32bit & 0xFFFFFF) / 16777215.0f; // 2^24 - 1
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GLint value_int = (value_32bit >> 24);
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state.depth.write_mask = GL_TRUE;
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state.stencil.write_mask = -1;
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state.Apply();
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glClearBufferfi(GL_DEPTH_STENCIL, 0, value_float, value_int);
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}
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return true;
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}
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RasterizerCacheOpenGL::RasterizerCacheOpenGL() {
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transfer_framebuffers[0].Create();
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transfer_framebuffers[1].Create();
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@ -55,55 +131,131 @@ RasterizerCacheOpenGL::~RasterizerCacheOpenGL() {
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FlushAll();
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}
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static void MortonCopyPixels(CachedSurface::PixelFormat pixel_format, u32 width, u32 height,
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u32 bytes_per_pixel, u32 gl_bytes_per_pixel, u8* morton_data,
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u8* gl_data, bool morton_to_gl) {
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using PixelFormat = CachedSurface::PixelFormat;
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u8* data_ptrs[2];
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u32 depth_stencil_shifts[2] = {24, 8};
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if (morton_to_gl) {
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std::swap(depth_stencil_shifts[0], depth_stencil_shifts[1]);
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}
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if (pixel_format == PixelFormat::D24S8) {
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for (unsigned y = 0; y < height; ++y) {
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for (unsigned x = 0; x < width; ++x) {
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const u32 coarse_y = y & ~7;
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u32 morton_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) +
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coarse_y * width * bytes_per_pixel;
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u32 gl_pixel_index = (x + (height - 1 - y) * width) * gl_bytes_per_pixel;
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data_ptrs[morton_to_gl] = morton_data + morton_offset;
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data_ptrs[!morton_to_gl] = &gl_data[gl_pixel_index];
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// Swap depth and stencil value ordering since 3DS does not match OpenGL
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u32 depth_stencil;
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memcpy(&depth_stencil, data_ptrs[1], sizeof(u32));
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depth_stencil = (depth_stencil << depth_stencil_shifts[0]) |
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(depth_stencil >> depth_stencil_shifts[1]);
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memcpy(data_ptrs[0], &depth_stencil, sizeof(u32));
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}
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}
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} else {
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for (unsigned y = 0; y < height; ++y) {
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for (unsigned x = 0; x < width; ++x) {
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const u32 coarse_y = y & ~7;
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u32 morton_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) +
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coarse_y * width * bytes_per_pixel;
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u32 gl_pixel_index = (x + (height - 1 - y) * width) * gl_bytes_per_pixel;
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data_ptrs[morton_to_gl] = morton_data + morton_offset;
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data_ptrs[!morton_to_gl] = &gl_data[gl_pixel_index];
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memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel);
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template <bool morton_to_gl, PixelFormat format>
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static void MortonCopyTile(u32 stride, u8* tile_buffer, u8* gl_buffer) {
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constexpr u32 bytes_per_pixel = SurfaceParams::GetFormatBpp(format) / 8;
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constexpr u32 gl_bytes_per_pixel = CachedSurface::GetGLBytesPerPixel(format);
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for (u32 y = 0; y < 8; ++y) {
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for (u32 x = 0; x < 8; ++x) {
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u8* tile_ptr = tile_buffer + VideoCore::MortonInterleave(x, y) * bytes_per_pixel;
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u8* gl_ptr = gl_buffer + ((7 - y) * stride + x) * gl_bytes_per_pixel;
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if (morton_to_gl) {
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if (format == PixelFormat::D24S8) {
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gl_ptr[0] = tile_ptr[3];
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std::memcpy(gl_ptr + 1, tile_ptr, 3);
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} else {
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std::memcpy(gl_ptr, tile_ptr, bytes_per_pixel);
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}
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} else {
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if (format == PixelFormat::D24S8) {
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std::memcpy(tile_ptr, gl_ptr + 1, 3);
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tile_ptr[3] = gl_ptr[0];
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} else {
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std::memcpy(tile_ptr, gl_ptr, bytes_per_pixel);
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}
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}
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}
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}
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}
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template <bool morton_to_gl, PixelFormat format>
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static void MortonCopy(u32 stride, u32 height, u8* gl_buffer, PAddr base, PAddr start, PAddr end) {
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constexpr u32 bytes_per_pixel = SurfaceParams::GetFormatBpp(format) / 8;
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constexpr u32 tile_size = bytes_per_pixel * 64;
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constexpr u32 gl_bytes_per_pixel = CachedSurface::GetGLBytesPerPixel(format);
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static_assert(gl_bytes_per_pixel >= bytes_per_pixel, "");
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gl_buffer += gl_bytes_per_pixel - bytes_per_pixel;
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const PAddr aligned_down_start = base + Common::AlignDown(start - base, tile_size);
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const PAddr aligned_start = base + Common::AlignUp(start - base, tile_size);
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const PAddr aligned_end = base + Common::AlignDown(end - base, tile_size);
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ASSERT(!morton_to_gl || (aligned_start == start && aligned_end == end));
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const u32 begin_pixel_index = (aligned_down_start - base) / bytes_per_pixel;
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u32 x = (begin_pixel_index % (stride * 8)) / 8;
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u32 y = (begin_pixel_index / (stride * 8)) * 8;
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gl_buffer += ((height - 8 - y) * stride + x) * gl_bytes_per_pixel;
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auto glbuf_next_tile = [&] {
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x = (x + 8) % stride;
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gl_buffer += 8 * gl_bytes_per_pixel;
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if (!x) {
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y += 8;
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gl_buffer -= stride * 9 * gl_bytes_per_pixel;
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}
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};
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u8* tile_buffer = Memory::GetPhysicalPointer(start);
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if (start < aligned_start && !morton_to_gl) {
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std::array<u8, tile_size> tmp_buf;
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MortonCopyTile<morton_to_gl, format>(stride, &tmp_buf[0], gl_buffer);
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std::memcpy(tile_buffer, &tmp_buf[start - aligned_down_start],
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std::min(aligned_start, end) - start);
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tile_buffer += aligned_start - start;
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glbuf_next_tile();
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}
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u8* const buffer_end = tile_buffer + aligned_end - aligned_start;
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while (tile_buffer < buffer_end) {
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MortonCopyTile<morton_to_gl, format>(stride, tile_buffer, gl_buffer);
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tile_buffer += tile_size;
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glbuf_next_tile();
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}
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if (end > std::max(aligned_start, aligned_end) && !morton_to_gl) {
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std::array<u8, tile_size> tmp_buf;
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MortonCopyTile<morton_to_gl, format>(stride, &tmp_buf[0], gl_buffer);
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std::memcpy(tile_buffer, &tmp_buf[0], end - aligned_end);
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}
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}
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static constexpr std::array<void (*)(u32, u32, u8*, PAddr, PAddr, PAddr), 18> morton_to_gl_fns = {
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MortonCopy<true, PixelFormat::RGBA8>, // 0
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MortonCopy<true, PixelFormat::RGB8>, // 1
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MortonCopy<true, PixelFormat::RGB5A1>, // 2
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MortonCopy<true, PixelFormat::RGB565>, // 3
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MortonCopy<true, PixelFormat::RGBA4>, // 4
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr, // 5 - 13
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MortonCopy<true, PixelFormat::D16>, // 14
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nullptr, // 15
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MortonCopy<true, PixelFormat::D24>, // 16
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MortonCopy<true, PixelFormat::D24S8> // 17
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};
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static constexpr std::array<void (*)(u32, u32, u8*, PAddr, PAddr, PAddr), 18> gl_to_morton_fns = {
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MortonCopy<false, PixelFormat::RGBA8>, // 0
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MortonCopy<false, PixelFormat::RGB8>, // 1
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MortonCopy<false, PixelFormat::RGB5A1>, // 2
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MortonCopy<false, PixelFormat::RGB565>, // 3
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MortonCopy<false, PixelFormat::RGBA4>, // 4
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr, // 5 - 13
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MortonCopy<false, PixelFormat::D16>, // 14
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nullptr, // 15
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MortonCopy<false, PixelFormat::D24>, // 16
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MortonCopy<false, PixelFormat::D24S8> // 17
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};
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void RasterizerCacheOpenGL::BlitTextures(GLuint src_tex, GLuint dst_tex,
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CachedSurface::SurfaceType type,
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const MathUtil::Rectangle<int>& src_rect,
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@ -71,8 +71,8 @@ struct CachedSurface {
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Invalid = 4,
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};
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static unsigned int GetFormatBpp(CachedSurface::PixelFormat format) {
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static const std::array<unsigned int, 18> bpp_table = {
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static constexpr unsigned int GetFormatBpp(CachedSurface::PixelFormat format) {
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constexpr std::array<unsigned int, 18> bpp_table = {
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32, // RGBA8
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24, // RGB8
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16, // RGB5A1
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@ -142,7 +142,7 @@ struct CachedSurface {
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return false;
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}
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static SurfaceType GetFormatType(PixelFormat pixel_format) {
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static constexpr SurfaceType GetFormatType(PixelFormat pixel_format) {
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if ((unsigned int)pixel_format < 5) {
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return SurfaceType::Color;
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}
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@ -9,9 +9,9 @@
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namespace VideoCore {
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// 8x8 Z-Order coordinate from 2D coordinates
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static inline u32 MortonInterleave(u32 x, u32 y) {
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static const u32 xlut[] = {0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15};
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static const u32 ylut[] = {0x00, 0x02, 0x08, 0x0a, 0x20, 0x22, 0x28, 0x2a};
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static constexpr u32 MortonInterleave(u32 x, u32 y) {
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constexpr u32 xlut[] = {0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15};
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constexpr u32 ylut[] = {0x00, 0x02, 0x08, 0x0a, 0x20, 0x22, 0x28, 0x2a};
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return xlut[x % 8] + ylut[y % 8];
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}
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