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ScreenshotWUPS/src/screenshot_utils.cpp

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#include "screenshot_utils.h"
#include "common.h"
#include "utils/utils.h"
#include <gd.h>
#include <gx2/event.h>
#include <gx2/mem.h>
#include <memory/mappedmemory.h>
#include <valarray>
uint8_t RGBComponentToSRGB[] = {0x00, 0x0C, 0x15, 0x1C, 0x21, 0x26, 0x2A, 0x2E, 0x31, 0x34, 0x37, 0x3A, 0x3D, 0x3F, 0x42, 0x44,
0x46, 0x49, 0x4B, 0x4D, 0x4F, 0x51, 0x52, 0x54, 0x56, 0x58, 0x59, 0x5B, 0x5D, 0x5E, 0x60, 0x61,
0x63, 0x64, 0x66, 0x67, 0x68, 0x6A, 0x6B, 0x6D, 0x6E, 0x6F, 0x70, 0x72, 0x73, 0x74, 0x75, 0x76,
0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88,
0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9D, 0x9E, 0x9F, 0xA0, 0xA1, 0xA1, 0xA2, 0xA3, 0xA4,
0xA5, 0xA5, 0xA6, 0xA7, 0xA8, 0xA8, 0xA9, 0xAA, 0xAB, 0xAB, 0xAC, 0xAD, 0xAE, 0xAE, 0xAF, 0xB0,
0xB0, 0xB1, 0xB2, 0xB3, 0xB3, 0xB4, 0xB5, 0xB5, 0xB6, 0xB7, 0xB7, 0xB8, 0xB9, 0xB9, 0xBA, 0xBB,
0xBB, 0xBC, 0xBD, 0xBD, 0xBE, 0xBF, 0xBF, 0xC0, 0xC1, 0xC1, 0xC2, 0xC2, 0xC3, 0xC4, 0xC4, 0xC5,
0xC5, 0xC6, 0xC7, 0xC7, 0xC8, 0xC9, 0xC9, 0xCA, 0xCA, 0xCB, 0xCC, 0xCC, 0xCD, 0xCD, 0xCE, 0xCE,
0xCF, 0xD0, 0xD0, 0xD1, 0xD1, 0xD2, 0xD2, 0xD3, 0xD4, 0xD4, 0xD5, 0xD5, 0xD6, 0xD6, 0xD7, 0xD7,
0xD8, 0xD9, 0xD9, 0xDA, 0xDA, 0xDB, 0xDB, 0xDC, 0xDC, 0xDD, 0xDD, 0xDE, 0xDE, 0xDF, 0xDF, 0xE0,
0xE1, 0xE1, 0xE2, 0xE2, 0xE3, 0xE3, 0xE4, 0xE4, 0xE5, 0xE5, 0xE6, 0xE6, 0xE7, 0xE7, 0xE8, 0xE8,
0xE9, 0xE9, 0xEA, 0xEA, 0xEB, 0xEB, 0xEC, 0xEC, 0xED, 0xED, 0xED, 0xEE, 0xEE, 0xEF, 0xEF, 0xF0,
0xF0, 0xF1, 0xF1, 0xF2, 0xF2, 0xF3, 0xF3, 0xF4, 0xF4, 0xF5, 0xF5, 0xF5, 0xF6, 0xF6, 0xF7, 0xF7,
0xF8, 0xF8, 0xF9, 0xF9, 0xFA, 0xFA, 0xFB, 0xFB, 0xFB, 0xFC, 0xFC, 0xFD, 0xFD, 0xFE, 0xFE, 0xFE};
bool saveTextureAsPicture(const std::string &path, uint8_t *sourceBuffer, uint32_t width, uint32_t height, uint32_t pitch, GX2SurfaceFormat format, ImageOutputFormatEnum outputFormat, bool convertRGBtoSRGB, int quality) {
if (sourceBuffer == nullptr) {
DEBUG_FUNCTION_LINE_ERR("sourceBuffer is nullptr");
return false;
}
if (format != GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8) {
DEBUG_FUNCTION_LINE_ERR("Surface format 0x%08X not supported", format);
return false;
}
if (quality < 10) {
quality = 10;
} else if (quality > 100) {
quality = 100;
}
auto res = false;
gdImagePtr im = gdImageCreateTrueColor((int) width, (int) height);
if (!im) {
DEBUG_FUNCTION_LINE_ERR("Failed to create gdImage with dimension: %d x %d", width, height);
return false;
}
gdImageFill(im, 0, 0, gdImageColorAllocate(im, 255, 255, 255));
auto *buffer = (uint32_t *) sourceBuffer;
for (uint32_t y = 0; y < height; ++y) {
for (uint32_t x = 0; x < width; ++x) {
uint32_t pixel = buffer[(y * pitch) + x];
uint8_t r = (pixel >> 24) & 0xFF;
uint8_t g = (pixel >> 16) & 0xFF;
uint8_t b = (pixel >> 8) & 0xFF;
if (convertRGBtoSRGB) {
r = RGBComponentToSRGB[r];
g = RGBComponentToSRGB[g];
b = RGBComponentToSRGB[b];
}
auto color = gdImageColorAllocate(im, r, g, b);
gdImageSetPixel(im, (int) x, (int) y, color);
}
}
FILE *file = fopen(path.c_str(), "wb");
if (file) {
setvbuf(file, nullptr, _IOFBF, 512 * 1024);
res = true;
DEBUG_FUNCTION_LINE("Saving screenshot as %s", path.c_str());
switch (outputFormat) {
case IMAGE_OUTPUT_FORMAT_JPEG: {
gdImageJpeg(im, file, (int32_t) quality);
break;
}
case IMAGE_OUTPUT_FORMAT_PNG: {
gdImagePngEx(im, file, -1);
break;
}
case IMAGE_OUTPUT_FORMAT_BMP:
gdImageBmp(im, file, -1);
break;
default:
DEBUG_FUNCTION_LINE_ERR("Invalid output format");
res = false;
break;
}
// Close file
fclose(file);
}
gdImageDestroy(im);
return res;
}
static bool copyBuffer(GX2ColorBuffer *sourceBuffer, GX2ColorBuffer *targetBuffer, uint32_t targetWidth, uint32_t targetHeight) {
// Making sure the buffers are not nullptr
if (sourceBuffer != nullptr && targetBuffer != nullptr) {
uint32_t depth = 1;
targetBuffer->surface.use = (GX2SurfaceUse) (GX2_SURFACE_USE_COLOR_BUFFER | GX2_SURFACE_USE_TEXTURE);
targetBuffer->surface.dim = GX2_SURFACE_DIM_TEXTURE_2D;
targetBuffer->surface.width = targetWidth;
targetBuffer->surface.height = targetHeight;
targetBuffer->surface.depth = depth;
targetBuffer->surface.mipLevels = 1;
targetBuffer->surface.format = GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8;
targetBuffer->surface.aa = GX2_AA_MODE1X;
targetBuffer->surface.tileMode = GX2_TILE_MODE_LINEAR_ALIGNED;
targetBuffer->viewMip = 0;
targetBuffer->viewFirstSlice = 0;
targetBuffer->viewNumSlices = 1;
targetBuffer->surface.swizzle = 0;
targetBuffer->surface.alignment = 0;
targetBuffer->surface.pitch = 0;
uint32_t i;
for (i = 0; i < 13; i++) {
targetBuffer->surface.mipLevelOffset[i] = 0;
}
targetBuffer->viewMip = 0;
targetBuffer->viewFirstSlice = 0;
targetBuffer->viewNumSlices = depth;
targetBuffer->aaBuffer = nullptr;
targetBuffer->aaSize = 0;
for (i = 0; i < 5; i++) {
targetBuffer->regs[i] = 0;
}
GX2CalcSurfaceSizeAndAlignment(&targetBuffer->surface);
GX2InitColorBufferRegs(targetBuffer);
// Let's allocate the memory.
targetBuffer->surface.image = MEMAllocFromMappedMemoryForGX2Ex(targetBuffer->surface.imageSize, targetBuffer->surface.alignment);
if (targetBuffer->surface.image == nullptr) {
DEBUG_FUNCTION_LINE_ERR("Failed to allocate memory for the surface image");
return false;
}
GX2Invalidate(GX2_INVALIDATE_MODE_CPU, targetBuffer->surface.image, targetBuffer->surface.imageSize);
if (sourceBuffer->surface.aa == GX2_AA_MODE1X) {
// If AA is disabled, we can simply use GX2CopySurface.
GX2CopySurface(&sourceBuffer->surface,
sourceBuffer->viewMip,
sourceBuffer->viewFirstSlice,
&targetBuffer->surface, 0, 0);
} else {
// If AA is enabled, we need to resolve the AA buffer.
GX2Surface tempSurface;
tempSurface = sourceBuffer->surface;
tempSurface.aa = GX2_AA_MODE1X;
GX2CalcSurfaceSizeAndAlignment(&tempSurface);
tempSurface.image = MEMAllocFromMappedMemoryForGX2Ex(tempSurface.imageSize, tempSurface.alignment);
if (tempSurface.image == nullptr) {
DEBUG_FUNCTION_LINE_ERR("failed to allocate data for resolving AA");
if (targetBuffer->surface.image != nullptr) {
MEMFreeToMappedMemory(targetBuffer->surface.image);
targetBuffer->surface.image = nullptr;
}
return false;
}
GX2ResolveAAColorBuffer(sourceBuffer, &tempSurface, 0, 0);
GX2CopySurface(&tempSurface, 0, 0, &targetBuffer->surface, 0, 0);
// Sync CPU and GPU
GX2DrawDone();
if (tempSurface.image != nullptr) {
MEMFreeToMappedMemory(tempSurface.image);
tempSurface.image = nullptr;
}
}
return true;
} else {
DEBUG_FUNCTION_LINE_ERR("Couldn't copy buffer, pointer was nullptr");
return false;
}
}
bool takeScreenshot(GX2ColorBuffer *srcBuffer, const std::string &path, GX2ScanTarget scanTarget, GX2SurfaceFormat outputBufferSurfaceFormat, ImageOutputFormatEnum outputFormat, int quality) {
if (srcBuffer == nullptr) {
DEBUG_FUNCTION_LINE_ERR("Source buffer was NULL");
return false;
}
GX2ColorBuffer colorBuffer;
GX2ColorBuffer *saveBuffer = nullptr;
// keep dimensions
uint32_t width = srcBuffer->surface.width;
uint32_t height = srcBuffer->surface.height;
std::string fullPath = path;
if (scanTarget == GX2_SCAN_TARGET_DRC) {
fullPath += "DRC";
} else if (scanTarget == GX2_SCAN_TARGET_TV) {
fullPath += "TV";
} else if (scanTarget == GX2_SCAN_TARGET_DRC1) {
fullPath += "DRC2";
} else {
DEBUG_FUNCTION_LINE_ERR("Invalid scanTarget %d", scanTarget);
return false;
}
switch (outputFormat) {
case IMAGE_OUTPUT_FORMAT_JPEG:
fullPath += ".jpg";
break;
case IMAGE_OUTPUT_FORMAT_PNG:
fullPath += ".png";
break;
case IMAGE_OUTPUT_FORMAT_BMP:
fullPath += ".bmp";
break;
default:
DEBUG_FUNCTION_LINE_WARN("Invalid output format, use jpeg instead");
fullPath += ".jpg";
break;
}
bool convertRGBToSRGB = false;
if ((outputBufferSurfaceFormat & 0x400)) {
DEBUG_FUNCTION_LINE_VERBOSE("Images needs to be converted to SRGB");
convertRGBToSRGB = true;
}
bool valid;
bool cancel = false;
do {
// At first, we need to copy the buffer to fit our resolution.
if (saveBuffer == nullptr) {
do {
valid = copyBuffer(srcBuffer, &colorBuffer, width, height);
// If the copying failed, we don't have enough memory. Let's decrease the resolution.
if (!valid) {
if (height >= 1080) {
width = 1280;
height = 720;
DEBUG_FUNCTION_LINE("Switching to 720p.");
} else if (height >= 720) {
width = 854;
height = 480;
DEBUG_FUNCTION_LINE("Switching to 480p.");
} else if (height >= 480) {
width = 640;
height = 360;
DEBUG_FUNCTION_LINE("Switching to 360p.");
} else {
// Cancel the screenshot if the resolution would be too low.
cancel = true;
break;
}
} else {
// On success save the pointer.
saveBuffer = &colorBuffer;
}
} while (!valid);
}
// Check if we should proceed
if (cancel) {
// Free the memory on error.
if (colorBuffer.surface.image != nullptr) {
MEMFreeToMappedMemory(colorBuffer.surface.image);
colorBuffer.surface.image = nullptr;
}
return false;
}
// Flush out destinations caches
GX2Invalidate(GX2_INVALIDATE_MODE_COLOR_BUFFER, colorBuffer.surface.image, colorBuffer.surface.imageSize);
// Wait for GPU to finish
GX2DrawDone();
valid = saveTextureAsPicture(fullPath, (uint8_t *) saveBuffer->surface.image, width, height, saveBuffer->surface.pitch, saveBuffer->surface.format, outputFormat, convertRGBToSRGB, quality);
// Free the colorbuffer copy.
if (colorBuffer.surface.image != nullptr) {
MEMFreeToMappedMemory(colorBuffer.surface.image);
colorBuffer.surface.image = nullptr;
saveBuffer = nullptr;
}
// When taking the screenshot failed, decrease the resolution again ~.
if (!valid) {
if (height >= 1080) {
width = 1280;
height = 720;
DEBUG_FUNCTION_LINE("Switching to 720p.");
} else if (height >= 720) {
width = 854;
height = 480;
DEBUG_FUNCTION_LINE("Switching to 480p.");
} else if (height >= 480) {
width = 640;
height = 360;
DEBUG_FUNCTION_LINE("Switching to 360p.");
} else {
return false;
}
}
} while (!valid);
return true;
}
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