65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
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// 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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#include <algorithm>
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#include "Core/Reporting.h"
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#include "GPU/Common/GPUStateUtils.h"
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#include "GPU/GLES/FramebufferManagerGLES.h"
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void FramebufferManagerGLES::PackDepthbuffer(VirtualFramebuffer *vfb, int x, int y, int w, int h) {
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if (!vfb->fbo) {
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ERROR_LOG_REPORT_ONCE(vfbfbozero, SCEGE, "PackDepthbuffer: vfb->fbo == 0");
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return;
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}
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// Pixel size always 4 here because we always request float
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const u32 bufSize = vfb->z_stride * (h - y) * 4;
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const u32 z_address = vfb->z_address;
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const int packWidth = std::min(vfb->z_stride, std::min(x + w, (int)vfb->width));
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if (!convBuf_ || convBufSize_ < bufSize) {
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delete[] convBuf_;
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convBuf_ = new u8[bufSize];
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convBufSize_ = bufSize;
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}
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DEBUG_LOG(FRAMEBUF, "Reading depthbuffer to mem at %08x for vfb=%08x", z_address, vfb->fb_address);
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draw_->CopyFramebufferToMemorySync(vfb->fbo, Draw::FB_DEPTH_BIT, 0, y, packWidth, h, Draw::DataFormat::D32F, convBuf_, vfb->z_stride);
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int dstByteOffset = y * vfb->z_stride * sizeof(u16);
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u16 *depth = (u16 *)Memory::GetPointer(z_address + dstByteOffset);
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GLfloat *packed = (GLfloat *)convBuf_;
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int totalPixels = h == 1 ? packWidth : vfb->z_stride * h;
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for (int yp = 0; yp < h; ++yp) {
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int row_offset = vfb->z_stride * yp;
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for (int xp = 0; xp < packWidth; ++xp) {
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const int i = row_offset + xp;
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float scaled = FromScaledDepth(packed[i]);
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if (scaled <= 0.0f) {
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depth[i] = 0;
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} else if (scaled >= 65535.0f) {
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depth[i] = 65535;
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} else {
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depth[i] = (int)scaled;
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}
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}
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}
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}
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