rasterizer_cache: Factor morton swizzle and pixel format to dedicate headers
* Makes the code cleaner in general by not having to alias PixelFormat and SurfaceType everywheremaster
emufan4568
parent
efc2db4088
commit
6a7d601e42
@ -0,0 +1,171 @@
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// Copyright 2022 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/alignment.h"
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#include "core/memory.h"
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#include "video_core/rasterizer_cache/pixel_format.h"
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#include "video_core/renderer_opengl/gl_vars.h"
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#include "video_core/utils.h"
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#include "video_core/video_core.h"
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namespace OpenGL {
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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 = GetFormatBpp(format) / 8;
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constexpr u32 aligned_bytes_per_pixel = GetBytesPerPixel(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) * aligned_bytes_per_pixel;
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if constexpr (morton_to_gl) {
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if constexpr (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 if (format == PixelFormat::RGBA8 && GLES) {
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// because GLES does not have ABGR format
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// so we will do byteswapping here
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gl_ptr[0] = tile_ptr[3];
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gl_ptr[1] = tile_ptr[2];
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gl_ptr[2] = tile_ptr[1];
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gl_ptr[3] = tile_ptr[0];
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} else if (format == PixelFormat::RGB8 && GLES) {
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gl_ptr[0] = tile_ptr[2];
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gl_ptr[1] = tile_ptr[1];
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gl_ptr[2] = tile_ptr[0];
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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 constexpr (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 if (format == PixelFormat::RGBA8 && GLES) {
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// because GLES does not have ABGR format
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// so we will do byteswapping here
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tile_ptr[0] = gl_ptr[3];
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tile_ptr[1] = gl_ptr[2];
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tile_ptr[2] = gl_ptr[1];
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tile_ptr[3] = gl_ptr[0];
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} else if (format == PixelFormat::RGB8 && GLES) {
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tile_ptr[0] = gl_ptr[2];
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tile_ptr[1] = gl_ptr[1];
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tile_ptr[2] = 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 = GetFormatBpp(format) / 8;
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constexpr u32 tile_size = bytes_per_pixel * 64;
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constexpr u32 aligned_bytes_per_pixel = GetBytesPerPixel(format);
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static_assert(aligned_bytes_per_pixel >= bytes_per_pixel, "");
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gl_buffer += aligned_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) * aligned_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 * aligned_bytes_per_pixel;
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if (!x) {
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y += 8;
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gl_buffer -= stride * 9 * aligned_bytes_per_pixel;
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}
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};
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u8* tile_buffer = VideoCore::g_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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const u8* const buffer_end = tile_buffer + aligned_end - aligned_start;
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PAddr current_paddr = aligned_start;
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while (tile_buffer < buffer_end) {
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// Pokemon Super Mystery Dungeon will try to use textures that go beyond
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// the end address of VRAM. Stop reading if reaches invalid address
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if (!VideoCore::g_memory->IsValidPhysicalAddress(current_paddr) ||
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!VideoCore::g_memory->IsValidPhysicalAddress(current_paddr + tile_size)) {
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LOG_ERROR(Render_OpenGL, "Out of bound texture");
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break;
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}
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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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current_paddr += 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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} // namespace OpenGL
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@ -0,0 +1,194 @@
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// Copyright 2022 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string_view>
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#include "core/hw/gpu.h"
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#include "video_core/regs_texturing.h"
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#include "video_core/regs_framebuffer.h"
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namespace OpenGL {
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enum class PixelFormat : u8 {
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// First 5 formats are shared between textures and color buffers
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RGBA8 = 0,
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RGB8 = 1,
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RGB5A1 = 2,
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RGB565 = 3,
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RGBA4 = 4,
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// Texture-only formats
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IA8 = 5,
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RG8 = 6,
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I8 = 7,
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A8 = 8,
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IA4 = 9,
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I4 = 10,
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A4 = 11,
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ETC1 = 12,
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ETC1A4 = 13,
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// Depth buffer-only formats
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D16 = 14,
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D24 = 16,
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D24S8 = 17,
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Invalid = 255,
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};
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enum class SurfaceType {
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Color = 0,
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Texture = 1,
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Depth = 2,
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DepthStencil = 3,
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Fill = 4,
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Invalid = 5
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};
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static constexpr std::string_view PixelFormatAsString(PixelFormat format) {
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switch (format) {
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case PixelFormat::RGBA8:
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return "RGBA8";
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case PixelFormat::RGB8:
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return "RGB8";
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case PixelFormat::RGB5A1:
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return "RGB5A1";
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case PixelFormat::RGB565:
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return "RGB565";
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case PixelFormat::RGBA4:
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return "RGBA4";
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case PixelFormat::IA8:
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return "IA8";
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case PixelFormat::RG8:
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return "RG8";
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case PixelFormat::I8:
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return "I8";
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case PixelFormat::A8:
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return "A8";
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case PixelFormat::IA4:
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return "IA4";
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case PixelFormat::I4:
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return "I4";
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case PixelFormat::A4:
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return "A4";
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case PixelFormat::ETC1:
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return "ETC1";
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case PixelFormat::ETC1A4:
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return "ETC1A4";
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case PixelFormat::D16:
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return "D16";
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case PixelFormat::D24:
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return "D24";
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case PixelFormat::D24S8:
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return "D24S8";
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default:
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return "NotReal";
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}
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}
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static constexpr PixelFormat PixelFormatFromTextureFormat(Pica::TexturingRegs::TextureFormat format) {
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const u32 format_index = static_cast<u32>(format);
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return (format_index < 14) ? static_cast<PixelFormat>(format) : PixelFormat::Invalid;
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}
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static constexpr PixelFormat PixelFormatFromColorFormat(Pica::FramebufferRegs::ColorFormat format) {
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const u32 format_index = static_cast<u32>(format);
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return (format_index < 5) ? static_cast<PixelFormat>(format) : PixelFormat::Invalid;
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}
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static PixelFormat PixelFormatFromDepthFormat(Pica::FramebufferRegs::DepthFormat format) {
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const u32 format_index = static_cast<u32>(format);
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return (format_index < 4) ? static_cast<PixelFormat>(format_index + 14)
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: PixelFormat::Invalid;
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}
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static constexpr PixelFormat PixelFormatFromGPUPixelFormat(GPU::Regs::PixelFormat format) {
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switch (format) {
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// RGB565 and RGB5A1 are switched in PixelFormat compared to ColorFormat
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case GPU::Regs::PixelFormat::RGB565:
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return PixelFormat::RGB565;
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case GPU::Regs::PixelFormat::RGB5A1:
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return PixelFormat::RGB5A1;
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default:
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return ((unsigned int)format < 5) ? (PixelFormat)format : PixelFormat::Invalid;
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}
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}
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static constexpr SurfaceType GetFormatType(PixelFormat pixel_format) {
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const u32 format_index = static_cast<u32>(pixel_format);
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if (format_index < 5) {
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return SurfaceType::Color;
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}
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if (format_index < 14) {
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return SurfaceType::Texture;
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}
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if (pixel_format == PixelFormat::D16 || pixel_format == PixelFormat::D24) {
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return SurfaceType::Depth;
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}
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if (pixel_format == PixelFormat::D24S8) {
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return SurfaceType::DepthStencil;
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}
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return SurfaceType::Invalid;
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}
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static constexpr bool CheckFormatsBlittable(PixelFormat source_format, PixelFormat dest_format) {
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SurfaceType source_type = GetFormatType(source_format);
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SurfaceType dest_type = GetFormatType(dest_format);
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if ((source_type == SurfaceType::Color || source_type == SurfaceType::Texture) &&
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(dest_type == SurfaceType::Color || dest_type == SurfaceType::Texture)) {
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return true;
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}
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if (source_type == SurfaceType::Depth && dest_type == SurfaceType::Depth) {
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return true;
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}
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if (source_type == SurfaceType::DepthStencil && dest_type == SurfaceType::DepthStencil) {
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return true;
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}
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return false;
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}
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static constexpr u32 GetFormatBpp(PixelFormat format) {
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switch (format) {
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case PixelFormat::RGBA8:
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case PixelFormat::D24S8:
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return 32;
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case PixelFormat::RGB8:
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case PixelFormat::D24:
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return 24;
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case PixelFormat::RGB5A1:
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case PixelFormat::RGB565:
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case PixelFormat::RGBA4:
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case PixelFormat::IA8:
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case PixelFormat::RG8:
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case PixelFormat::D16:
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return 16;
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case PixelFormat::I8:
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case PixelFormat::A8:
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case PixelFormat::IA4:
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case PixelFormat::ETC1A4:
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return 8;
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case PixelFormat::I4:
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case PixelFormat::A4:
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case PixelFormat::ETC1:
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return 4;
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case PixelFormat::Invalid:
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return 0;
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}
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}
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static constexpr u32 GetBytesPerPixel(PixelFormat format) {
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// OpenGL needs 4 bpp alignment for D24 since using GL_UNSIGNED_INT as type
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if (format == PixelFormat::D24 || GetFormatType(format) == SurfaceType::Texture) {
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return 4;
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}
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return GetFormatBpp(format) / 8;
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}
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} // namespace OpenGL
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