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103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
// Copyright (c) 2012- 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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#if _MSC_VER == 1700
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// Has to be included before TextureScaler.h, else we get those std::bind errors in VS2012..
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#include "../native/base/basictypes.h"
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#endif
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#include <algorithm>
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#include "Common/Vulkan/VulkanContext.h"
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#include "Common/ColorConv.h"
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#include "Common/Log.h"
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#include "Common/ThreadPools.h"
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#include "GPU/Common/TextureScalerCommon.h"
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#include "GPU/Vulkan/TextureScalerVulkan.h"
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// TODO: Share in TextureCacheVulkan.h?
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// Note: some drivers prefer B4G4R4A4_UNORM_PACK16 over R4G4B4A4_UNORM_PACK16.
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#define VULKAN_4444_FORMAT VK_FORMAT_B4G4R4A4_UNORM_PACK16
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#define VULKAN_1555_FORMAT VK_FORMAT_A1R5G5B5_UNORM_PACK16
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#define VULKAN_565_FORMAT VK_FORMAT_B5G6R5_UNORM_PACK16
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#define VULKAN_8888_FORMAT VK_FORMAT_R8G8B8A8_UNORM
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int TextureScalerVulkan::BytesPerPixel(u32 format) {
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return (format == VULKAN_8888_FORMAT) ? 4 : 2;
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}
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u32 TextureScalerVulkan::Get8888Format() {
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return VULKAN_8888_FORMAT;
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}
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void TextureScalerVulkan::ScaleAlways(u32 *&data, u32 &dstFmt, int &width, int &height, int factor) {
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if (!Scale(data, dstFmt, width, height, factor)) {
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// This means it was a flat texture. Vulkan wants the size up front, so we need to make it happen.
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assert(IsEmptyOrFlat(data, width * height, dstFmt));
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u32 pixel;
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// Since it's flat, one pixel is enough. It might end up pointing to data, though.
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u32 *pixelPointer = &pixel;
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ConvertTo8888(dstFmt, data, pixelPointer, 1, 1);
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if (pixelPointer != &pixel) {
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pixel = *pixelPointer;
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}
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bufOutput.resize(width * height * factor * factor);
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dstFmt = Get8888Format();
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data = bufOutput.data();
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width *= factor;
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height *= factor;
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// ABCD. If A = D, and AB = CD, then they must all be equal (B = C, etc.)
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if ((pixel & 0x000000FF) == (pixel >> 24) && (pixel & 0x0000FFFF) == (pixel >> 16)) {
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memset(data, pixel & 0xFF, width * height * sizeof(u32));
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} else {
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// TODO: Optimize.
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for (int y = 0; y < height; ++y) {
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for (int x = 0; x < width; ++x) {
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data[y * width + x] = 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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void TextureScalerVulkan::ConvertTo8888(u32 format, u32* source, u32* &dest, int width, int height) {
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switch (format) {
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case VULKAN_8888_FORMAT:
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dest = source; // already fine
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break;
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case VULKAN_4444_FORMAT:
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GlobalThreadPool::Loop(std::bind(&convert4444_dx9, (u16*)source, dest, width, placeholder::_1, placeholder::_2), 0, height);
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break;
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case VULKAN_565_FORMAT:
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GlobalThreadPool::Loop(std::bind(&convert565_dx9, (u16*)source, dest, width, placeholder::_1, placeholder::_2), 0, height);
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break;
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case VULKAN_1555_FORMAT:
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GlobalThreadPool::Loop(std::bind(&convert5551_dx9, (u16*)source, dest, width, placeholder::_1, placeholder::_2), 0, height);
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break;
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default:
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dest = source;
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ERROR_LOG(G3D, "iXBRZTexScaling: unsupported texture format");
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}
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}
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