mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-27 07:20:49 +00:00
284 lines
8.0 KiB
C++
284 lines
8.0 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#ifdef USING_QT_UI
|
|
#include <QtGui/QImage>
|
|
#else
|
|
#include <libpng17/png.h>
|
|
#include "ext/jpge/jpge.h"
|
|
#endif
|
|
|
|
#include "Common/ColorConv.h"
|
|
#include "Common/FileUtil.h"
|
|
#include "Core/Config.h"
|
|
#include "Core/Screenshot.h"
|
|
#include "GPU/Common/GPUDebugInterface.h"
|
|
#ifdef _WIN32
|
|
#include "GPU/Directx9/GPU_DX9.h"
|
|
#endif
|
|
#include "GPU/GLES/GLES_GPU.h"
|
|
#include "GPU/GPUInterface.h"
|
|
#include "GPU/GPUState.h"
|
|
|
|
#ifndef USING_QT_UI
|
|
// This is used to make non-ASCII paths work for filename.
|
|
// Technically only needed on Windows.
|
|
class JPEGFileStream : public jpge::output_stream
|
|
{
|
|
public:
|
|
JPEGFileStream(const char *filename) {
|
|
fp_ = File::OpenCFile(filename, "wb");
|
|
}
|
|
~JPEGFileStream() override {
|
|
if (fp_ ) {
|
|
fclose(fp_);
|
|
}
|
|
}
|
|
|
|
bool put_buf(const void *buf, int len) override
|
|
{
|
|
if (fp_) {
|
|
if (fwrite(buf, len, 1, fp_) != 1) {
|
|
fclose(fp_);
|
|
fp_ = nullptr;
|
|
}
|
|
}
|
|
return Valid();
|
|
}
|
|
|
|
bool Valid() {
|
|
return fp_ != nullptr;
|
|
}
|
|
|
|
private:
|
|
FILE *fp_;
|
|
};
|
|
|
|
static bool WriteScreenshotToJPEG(const char *filename, int width, int height, int num_channels, const uint8_t *image_data, const jpge::params &comp_params) {
|
|
JPEGFileStream dst_stream(filename);
|
|
if (!dst_stream.Valid()) {
|
|
ERROR_LOG(COMMON, "Unable to open screenshot file for writing.");
|
|
return false;
|
|
}
|
|
|
|
jpge::jpeg_encoder dst_image;
|
|
if (!dst_image.init(&dst_stream, width, height, num_channels, comp_params)) {
|
|
ERROR_LOG(COMMON, "Screenshot JPEG encode init failed.");
|
|
return false;
|
|
}
|
|
|
|
for (u32 pass_index = 0; pass_index < dst_image.get_total_passes(); pass_index++) {
|
|
for (int i = 0; i < height; i++) {
|
|
const uint8_t *buf = image_data + i * width * num_channels;
|
|
if (!dst_image.process_scanline(buf)) {
|
|
ERROR_LOG(COMMON, "Screenshot JPEG encode scanline failed.");
|
|
return false;
|
|
}
|
|
}
|
|
if (!dst_image.process_scanline(NULL)) {
|
|
ERROR_LOG(COMMON, "Screenshot JPEG encode scanline flush failed.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!dst_stream.Valid()) {
|
|
ERROR_LOG(COMMON, "Screenshot file write failed.");
|
|
}
|
|
|
|
dst_image.deinit();
|
|
return dst_stream.Valid();
|
|
}
|
|
|
|
static bool WriteScreenshotToPNG(png_imagep image, const char *filename, int convert_to_8bit, const void *buffer, png_int_32 row_stride, const void *colormap) {
|
|
FILE *fp = File::OpenCFile(filename, "wb");
|
|
if (!fp) {
|
|
ERROR_LOG(COMMON, "Unable to open screenshot file for writing.");
|
|
return false;
|
|
}
|
|
|
|
if (png_image_write_to_stdio(image, fp, convert_to_8bit, buffer, row_stride, colormap)) {
|
|
if (fclose(fp) != 0) {
|
|
ERROR_LOG(COMMON, "Screenshot file write failed.");
|
|
return false;
|
|
}
|
|
return true;
|
|
} else {
|
|
ERROR_LOG(COMMON, "Screenshot PNG encode failed.");
|
|
fclose(fp);
|
|
remove(filename);
|
|
return false;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static const u8 *ConvertBufferTo888RGB(const GPUDebugBuffer &buf, u8 *&temp) {
|
|
// The temp buffer will be freed by the caller if set, and can be the return value.
|
|
temp = nullptr;
|
|
|
|
const u8 *buffer = buf.GetData();
|
|
if (buf.GetFlipped() && buf.GetFormat() == GPU_DBG_FORMAT_888_RGB) {
|
|
// Silly OpenGL reads upside down, we flip to another buffer for simplicity.
|
|
temp = new u8[3 * buf.GetStride() * buf.GetHeight()];
|
|
for (u32 y = 0; y < buf.GetHeight(); y++) {
|
|
memcpy(temp + y * buf.GetStride() * 3, buffer + (buf.GetHeight() - y - 1) * buf.GetStride() * 3, buf.GetStride() * 3);
|
|
}
|
|
buffer = temp;
|
|
} else if (buf.GetFormat() != GPU_DBG_FORMAT_888_RGB) {
|
|
// Let's boil it down to how we need to interpret the bits.
|
|
int baseFmt = buf.GetFormat() & ~(GPU_DBG_FORMAT_REVERSE_FLAG | GPU_DBG_FORMAT_BRSWAP_FLAG);
|
|
bool rev = (buf.GetFormat() & GPU_DBG_FORMAT_REVERSE_FLAG) != 0;
|
|
bool brswap = (buf.GetFormat() & GPU_DBG_FORMAT_BRSWAP_FLAG) != 0;
|
|
bool flip = buf.GetFlipped();
|
|
|
|
temp = new u8[3 * buf.GetStride() * buf.GetHeight()];
|
|
|
|
// This is pretty inefficient.
|
|
const u16 *buf16 = (const u16 *)buffer;
|
|
const u32 *buf32 = (const u32 *)buffer;
|
|
for (u32 y = 0; y < buf.GetHeight(); y++) {
|
|
for (u32 x = 0; x < buf.GetStride(); x++) {
|
|
u8 *dst;
|
|
if (flip) {
|
|
dst = &temp[(buf.GetHeight() - y - 1) * buf.GetStride() * 3 + x * 3];
|
|
} else {
|
|
dst = &temp[y * buf.GetStride() * 3 + x * 3];
|
|
}
|
|
|
|
u8 &r = brswap ? dst[2] : dst[0];
|
|
u8 &g = dst[1];
|
|
u8 &b = brswap ? dst[0] : dst[2];
|
|
|
|
u32 src;
|
|
switch (baseFmt) {
|
|
case GPU_DBG_FORMAT_565:
|
|
src = buf16[y * buf.GetStride() + x];
|
|
if (rev) {
|
|
src = bswap16(src);
|
|
}
|
|
r = Convert5To8((src >> 0) & 0x1F);
|
|
g = Convert6To8((src >> 5) & 0x3F);
|
|
b = Convert5To8((src >> 11) & 0x1F);
|
|
break;
|
|
case GPU_DBG_FORMAT_5551:
|
|
src = buf16[y * buf.GetStride() + x];
|
|
if (rev) {
|
|
src = bswap16(src);
|
|
}
|
|
r = Convert5To8((src >> 0) & 0x1F);
|
|
g = Convert5To8((src >> 5) & 0x1F);
|
|
b = Convert5To8((src >> 10) & 0x1F);
|
|
break;
|
|
case GPU_DBG_FORMAT_4444:
|
|
src = buf16[y * buf.GetStride() + x];
|
|
if (rev) {
|
|
src = bswap16(src);
|
|
}
|
|
r = Convert4To8((src >> 0) & 0xF);
|
|
g = Convert4To8((src >> 4) & 0xF);
|
|
b = Convert4To8((src >> 8) & 0xF);
|
|
break;
|
|
case GPU_DBG_FORMAT_8888:
|
|
src = buf32[y * buf.GetStride() + x];
|
|
if (rev) {
|
|
src = bswap32(src);
|
|
}
|
|
r = (src >> 0) & 0xFF;
|
|
g = (src >> 8) & 0xFF;
|
|
b = (src >> 16) & 0xFF;
|
|
break;
|
|
default:
|
|
ERROR_LOG(COMMON, "Unsupported framebuffer format for screenshot: %d", buf.GetFormat());
|
|
return nullptr;
|
|
}
|
|
}
|
|
}
|
|
buffer = temp;
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
bool TakeGameScreenshot(const char *filename, ScreenshotFormat fmt, ScreenshotType type) {
|
|
GPUDebugBuffer buf;
|
|
bool success = false;
|
|
|
|
if (type == SCREENSHOT_RENDER) {
|
|
if (gpuDebug) {
|
|
success = gpuDebug->GetCurrentFramebuffer(buf);
|
|
}
|
|
} else {
|
|
if (g_Config.iGPUBackend == GPU_BACKEND_OPENGL) {
|
|
success = GLES_GPU::GetDisplayFramebuffer(buf);
|
|
#ifdef _WIN32
|
|
} else if (g_Config.iGPUBackend == GPU_BACKEND_DIRECT3D9) {
|
|
success = DX9::DIRECTX9_GPU::GetDisplayFramebuffer(buf);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (!success) {
|
|
ERROR_LOG(COMMON, "Failed to obtain screenshot data.");
|
|
return false;
|
|
}
|
|
|
|
#ifdef USING_QT_UI
|
|
if (success) {
|
|
u8 *flipbuffer = nullptr;
|
|
const u8 *buffer = ConvertBufferTo888RGB(buf, flipbuffer);
|
|
// TODO: Handle other formats (e.g. Direct3D, raw framebuffers.)
|
|
QImage image(buffer, buf.GetStride(), buf.GetHeight(), QImage::Format_RGB888);
|
|
success = image.save(filename, fmt == SCREENSHOT_PNG ? "PNG" : "JPG");
|
|
delete [] flipbuffer;
|
|
}
|
|
#else
|
|
if (success) {
|
|
u8 *flipbuffer = nullptr;
|
|
const u8 *buffer = ConvertBufferTo888RGB(buf, flipbuffer);
|
|
if (buffer == nullptr) {
|
|
success = false;
|
|
}
|
|
|
|
if (success && fmt == SCREENSHOT_PNG) {
|
|
png_image png;
|
|
memset(&png, 0, sizeof(png));
|
|
png.version = PNG_IMAGE_VERSION;
|
|
png.format = PNG_FORMAT_RGB;
|
|
png.width = buf.GetStride();
|
|
png.height = buf.GetHeight();
|
|
success = WriteScreenshotToPNG(&png, filename, 0, buffer, buf.GetStride() * 3, nullptr);
|
|
png_image_free(&png);
|
|
|
|
if (png.warning_or_error >= 2) {
|
|
ERROR_LOG(COMMON, "Saving screenshot to PNG produced errors.");
|
|
success = false;
|
|
}
|
|
} else if (success && fmt == SCREENSHOT_JPG) {
|
|
jpge::params params;
|
|
params.m_quality = 90;
|
|
success = WriteScreenshotToJPEG(filename, buf.GetStride(), buf.GetHeight(), 3, buffer, params);
|
|
} else {
|
|
success = false;
|
|
}
|
|
delete [] flipbuffer;
|
|
}
|
|
#endif
|
|
if (!success) {
|
|
ERROR_LOG(COMMON, "Failed to write screenshot.");
|
|
}
|
|
return success;
|
|
}
|