diff --git a/libs/SDL2/test/CMakeLists.txt b/libs/SDL2/test/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3c25c5c7c98790944cc22c408cec58152544b0e6
--- /dev/null
+++ b/libs/SDL2/test/CMakeLists.txt
@@ -0,0 +1,122 @@
+cmake_minimum_required(VERSION 2.8.11)
+project(SDL2 C)
+
+# Global settings for all of the test targets
+# FIXME: is this wrong?
+remove_definitions(-DUSING_GENERATED_CONFIG_H)
+link_libraries(SDL2_test SDL2-static)
+
+# FIXME: Parent directory CMakeLists.txt only sets these for mingw/cygwin,
+# but we need them for VS as well.
+if(WINDOWS)
+ link_libraries(SDL2main)
+ add_definitions(-Dmain=SDL_main)
+endif()
+
+add_executable(checkkeys checkkeys.c)
+add_executable(loopwave loopwave.c)
+add_executable(loopwavequeue loopwavequeue.c)
+add_executable(testresample testresample.c)
+add_executable(testaudioinfo testaudioinfo.c)
+
+file(GLOB TESTAUTOMATION_SOURCE_FILES testautomation*.c)
+add_executable(testautomation ${TESTAUTOMATION_SOURCE_FILES})
+
+add_executable(testmultiaudio testmultiaudio.c)
+add_executable(testaudiohotplug testaudiohotplug.c)
+add_executable(testaudiocapture testaudiocapture.c)
+add_executable(testatomic testatomic.c)
+add_executable(testintersections testintersections.c)
+add_executable(testrelative testrelative.c)
+add_executable(testhittesting testhittesting.c)
+add_executable(testdraw2 testdraw2.c)
+add_executable(testdrawchessboard testdrawchessboard.c)
+add_executable(testdropfile testdropfile.c)
+add_executable(testerror testerror.c)
+add_executable(testfile testfile.c)
+add_executable(testgamecontroller testgamecontroller.c)
+add_executable(testgesture testgesture.c)
+add_executable(testgl2 testgl2.c)
+add_executable(testgles testgles.c)
+add_executable(testgles2 testgles2.c)
+add_executable(testhaptic testhaptic.c)
+add_executable(testhotplug testhotplug.c)
+add_executable(testrumble testrumble.c)
+add_executable(testthread testthread.c)
+add_executable(testiconv testiconv.c)
+add_executable(testime testime.c)
+add_executable(testjoystick testjoystick.c)
+add_executable(testkeys testkeys.c)
+add_executable(testloadso testloadso.c)
+add_executable(testlock testlock.c)
+
+if(APPLE)
+ add_executable(testnative testnative.c
+ testnativecocoa.m
+ testnativex11.c)
+elseif(WINDOWS)
+ add_executable(testnative testnative.c testnativew32.c)
+elseif(UNIX)
+ add_executable(testnative testnative.c testnativex11.c)
+endif()
+
+add_executable(testoverlay2 testoverlay2.c testyuv_cvt.c)
+add_executable(testplatform testplatform.c)
+add_executable(testpower testpower.c)
+add_executable(testfilesystem testfilesystem.c)
+add_executable(testrendertarget testrendertarget.c)
+add_executable(testscale testscale.c)
+add_executable(testsem testsem.c)
+add_executable(testshader testshader.c)
+add_executable(testshape testshape.c)
+add_executable(testsprite2 testsprite2.c)
+add_executable(testspriteminimal testspriteminimal.c)
+add_executable(teststreaming teststreaming.c)
+add_executable(testtimer testtimer.c)
+add_executable(testver testver.c)
+add_executable(testviewport testviewport.c)
+add_executable(testwm2 testwm2.c)
+add_executable(testyuv testyuv.c testyuv_cvt.c)
+add_executable(torturethread torturethread.c)
+add_executable(testrendercopyex testrendercopyex.c)
+add_executable(testmessage testmessage.c)
+add_executable(testdisplayinfo testdisplayinfo.c)
+add_executable(testqsort testqsort.c)
+add_executable(testbounds testbounds.c)
+add_executable(testcustomcursor testcustomcursor.c)
+add_executable(controllermap controllermap.c)
+add_executable(testvulkan testvulkan.c)
+
+# HACK: Dummy target to cause the resource files to be copied to the build directory.
+# Need to make it an executable so we can use the TARGET_FILE_DIR generator expression.
+# This is needed so they get copied to the correct Debug/Release subdirectory in Xcode.
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/resources_dummy.c "int main(int argc, const char **argv){ return 1; }\n")
+add_executable(SDL2_test_resoureces ${CMAKE_CURRENT_BINARY_DIR}/resources_dummy.c)
+
+file(GLOB RESOURCE_FILES *.bmp *.wav)
+foreach(RESOURCE_FILE ${RESOURCE_FILES})
+ add_custom_command(TARGET SDL2_test_resoureces POST_BUILD COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${RESOURCE_FILE} $<TARGET_FILE_DIR:SDL2_test_resoureces>)
+endforeach(RESOURCE_FILE)
+
+file(COPY ${RESOURCE_FILES} DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
+# TODO: Might be easier to make all targets depend on the resources...?
+add_dependencies(testscale SDL2_test_resoureces)
+add_dependencies(testrendercopyex SDL2_test_resoureces)
+add_dependencies(controllermap SDL2_test_resoureces)
+add_dependencies(testyuv SDL2_test_resoureces)
+add_dependencies(testgamecontroller SDL2_test_resoureces)
+add_dependencies(testshape SDL2_test_resoureces)
+add_dependencies(testshader SDL2_test_resoureces)
+add_dependencies(testnative SDL2_test_resoureces)
+add_dependencies(testspriteminimal SDL2_test_resoureces)
+add_dependencies(testautomation SDL2_test_resoureces)
+add_dependencies(testcustomcursor SDL2_test_resoureces)
+add_dependencies(testrendertarget SDL2_test_resoureces)
+add_dependencies(testsprite2 SDL2_test_resoureces)
+
+add_dependencies(loopwave SDL2_test_resoureces)
+add_dependencies(loopwavequeue SDL2_test_resoureces)
+add_dependencies(testresample SDL2_test_resoureces)
+add_dependencies(testaudiohotplug SDL2_test_resoureces)
+add_dependencies(testmultiaudio SDL2_test_resoureces)
diff --git a/libs/SDL2/test/testyuv.bmp b/libs/SDL2/test/testyuv.bmp
new file mode 100644
index 0000000000000000000000000000000000000000..af32034b6b5b858be470f9ef3bb023bc199bf96e
Binary files /dev/null and b/libs/SDL2/test/testyuv.bmp differ
diff --git a/libs/SDL2/test/testyuv.c b/libs/SDL2/test/testyuv.c
new file mode 100644
index 0000000000000000000000000000000000000000..f52ab9f72ec81e70e671dcdbf87aba773ae9e10e
--- /dev/null
+++ b/libs/SDL2/test/testyuv.c
@@ -0,0 +1,455 @@
+/*
+ Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely.
+*/
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "SDL.h"
+#include "SDL_test_font.h"
+#include "testyuv_cvt.h"
+
+
+/* 422 (YUY2, etc) formats are the largest */
+#define MAX_YUV_SURFACE_SIZE(W, H, P) (H*4*(W+P+1)/2)
+
+
+/* Return true if the YUV format is packed pixels */
+static SDL_bool is_packed_yuv_format(Uint32 format)
+{
+ return (format == SDL_PIXELFORMAT_YUY2 ||
+ format == SDL_PIXELFORMAT_UYVY ||
+ format == SDL_PIXELFORMAT_YVYU);
+}
+
+/* Create a surface with a good pattern for verifying YUV conversion */
+static SDL_Surface *generate_test_pattern(int pattern_size)
+{
+ SDL_Surface *pattern = SDL_CreateRGBSurfaceWithFormat(0, pattern_size, pattern_size, 0, SDL_PIXELFORMAT_RGB24);
+
+ if (pattern) {
+ int i, x, y;
+ Uint8 *p, c;
+ const int thickness = 2; /* Important so 2x2 blocks of color are the same, to avoid Cr/Cb interpolation over pixels */
+
+ /* R, G, B in alternating horizontal bands */
+ for (y = 0; y < pattern->h; y += thickness) {
+ for (i = 0; i < thickness; ++i) {
+ p = (Uint8 *)pattern->pixels + (y + i) * pattern->pitch + ((y/thickness) % 3);
+ for (x = 0; x < pattern->w; ++x) {
+ *p = 0xFF;
+ p += 3;
+ }
+ }
+ }
+
+ /* Black and white in alternating vertical bands */
+ c = 0xFF;
+ for (x = 1*thickness; x < pattern->w; x += 2*thickness) {
+ for (i = 0; i < thickness; ++i) {
+ p = (Uint8 *)pattern->pixels + (x + i)*3;
+ for (y = 0; y < pattern->h; ++y) {
+ SDL_memset(p, c, 3);
+ p += pattern->pitch;
+ }
+ }
+ if (c) {
+ c = 0x00;
+ } else {
+ c = 0xFF;
+ }
+ }
+ }
+ return pattern;
+}
+
+static SDL_bool verify_yuv_data(Uint32 format, const Uint8 *yuv, int yuv_pitch, SDL_Surface *surface)
+{
+ const int tolerance = 20;
+ const int size = (surface->h * surface->pitch);
+ Uint8 *rgb;
+ SDL_bool result = SDL_FALSE;
+
+ rgb = (Uint8 *)SDL_malloc(size);
+ if (!rgb) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory");
+ return SDL_FALSE;
+ }
+
+ if (SDL_ConvertPixels(surface->w, surface->h, format, yuv, yuv_pitch, surface->format->format, rgb, surface->pitch) == 0) {
+ int x, y;
+ result = SDL_TRUE;
+ for (y = 0; y < surface->h; ++y) {
+ const Uint8 *actual = rgb + y * surface->pitch;
+ const Uint8 *expected = (const Uint8 *)surface->pixels + y * surface->pitch;
+ for (x = 0; x < surface->w; ++x) {
+ int deltaR = (int)actual[0] - expected[0];
+ int deltaG = (int)actual[1] - expected[1];
+ int deltaB = (int)actual[2] - expected[2];
+ int distance = (deltaR * deltaR + deltaG * deltaG + deltaB * deltaB);
+ if (distance > tolerance) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Pixel at %d,%d was 0x%.2x,0x%.2x,0x%.2x, expected 0x%.2x,0x%.2x,0x%.2x, distance = %d\n", x, y, actual[0], actual[1], actual[2], expected[0], expected[1], expected[2], distance);
+ result = SDL_FALSE;
+ }
+ actual += 3;
+ expected += 3;
+ }
+ }
+ } else {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(format), SDL_GetPixelFormatName(surface->format->format), SDL_GetError());
+ }
+ SDL_free(rgb);
+
+ return result;
+}
+
+static int run_automated_tests(int pattern_size, int extra_pitch)
+{
+ const Uint32 formats[] = {
+ SDL_PIXELFORMAT_YV12,
+ SDL_PIXELFORMAT_IYUV,
+ SDL_PIXELFORMAT_NV12,
+ SDL_PIXELFORMAT_NV21,
+ SDL_PIXELFORMAT_YUY2,
+ SDL_PIXELFORMAT_UYVY,
+ SDL_PIXELFORMAT_YVYU
+ };
+ int i, j;
+ SDL_Surface *pattern = generate_test_pattern(pattern_size);
+ const int yuv_len = MAX_YUV_SURFACE_SIZE(pattern->w, pattern->h, extra_pitch);
+ Uint8 *yuv1 = (Uint8 *)SDL_malloc(yuv_len);
+ Uint8 *yuv2 = (Uint8 *)SDL_malloc(yuv_len);
+ int yuv1_pitch, yuv2_pitch;
+ int result = -1;
+
+ if (!pattern || !yuv1 || !yuv2) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't allocate test surfaces");
+ goto done;
+ }
+
+ /* Verify conversion from YUV formats */
+ for (i = 0; i < SDL_arraysize(formats); ++i) {
+ if (!ConvertRGBtoYUV(formats[i], pattern->pixels, pattern->pitch, yuv1, pattern->w, pattern->h, SDL_GetYUVConversionModeForResolution(pattern->w, pattern->h), 0, 100)) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "ConvertRGBtoYUV() doesn't support converting to %s\n", SDL_GetPixelFormatName(formats[i]));
+ goto done;
+ }
+ yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w);
+ if (!verify_yuv_data(formats[i], yuv1, yuv1_pitch, pattern)) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from %s to RGB\n", SDL_GetPixelFormatName(formats[i]));
+ goto done;
+ }
+ }
+
+ /* Verify conversion to YUV formats */
+ for (i = 0; i < SDL_arraysize(formats); ++i) {
+ yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w) + extra_pitch;
+ if (SDL_ConvertPixels(pattern->w, pattern->h, pattern->format->format, pattern->pixels, pattern->pitch, formats[i], yuv1, yuv1_pitch) < 0) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(pattern->format->format), SDL_GetPixelFormatName(formats[i]), SDL_GetError());
+ goto done;
+ }
+ if (!verify_yuv_data(formats[i], yuv1, yuv1_pitch, pattern)) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from RGB to %s\n", SDL_GetPixelFormatName(formats[i]));
+ goto done;
+ }
+ }
+
+ /* Verify conversion between YUV formats */
+ for (i = 0; i < SDL_arraysize(formats); ++i) {
+ for (j = 0; j < SDL_arraysize(formats); ++j) {
+ yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w) + extra_pitch;
+ yuv2_pitch = CalculateYUVPitch(formats[j], pattern->w) + extra_pitch;
+ if (SDL_ConvertPixels(pattern->w, pattern->h, pattern->format->format, pattern->pixels, pattern->pitch, formats[i], yuv1, yuv1_pitch) < 0) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(pattern->format->format), SDL_GetPixelFormatName(formats[i]), SDL_GetError());
+ goto done;
+ }
+ if (SDL_ConvertPixels(pattern->w, pattern->h, formats[i], yuv1, yuv1_pitch, formats[j], yuv2, yuv2_pitch) < 0) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]), SDL_GetError());
+ goto done;
+ }
+ if (!verify_yuv_data(formats[j], yuv2, yuv2_pitch, pattern)) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from %s to %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]));
+ goto done;
+ }
+ }
+ }
+
+ /* Verify conversion between YUV formats in-place */
+ for (i = 0; i < SDL_arraysize(formats); ++i) {
+ for (j = 0; j < SDL_arraysize(formats); ++j) {
+ if (is_packed_yuv_format(formats[i]) != is_packed_yuv_format(formats[j])) {
+ /* Can't change plane vs packed pixel layout in-place */
+ continue;
+ }
+
+ yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w) + extra_pitch;
+ yuv2_pitch = CalculateYUVPitch(formats[j], pattern->w) + extra_pitch;
+ if (SDL_ConvertPixels(pattern->w, pattern->h, pattern->format->format, pattern->pixels, pattern->pitch, formats[i], yuv1, yuv1_pitch) < 0) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(pattern->format->format), SDL_GetPixelFormatName(formats[i]), SDL_GetError());
+ goto done;
+ }
+ if (SDL_ConvertPixels(pattern->w, pattern->h, formats[i], yuv1, yuv1_pitch, formats[j], yuv1, yuv2_pitch) < 0) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]), SDL_GetError());
+ goto done;
+ }
+ if (!verify_yuv_data(formats[j], yuv1, yuv2_pitch, pattern)) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from %s to %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]));
+ goto done;
+ }
+ }
+ }
+
+
+ result = 0;
+
+done:
+ SDL_free(yuv1);
+ SDL_free(yuv2);
+ SDL_FreeSurface(pattern);
+ return result;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct {
+ SDL_bool enable_intrinsics;
+ int pattern_size;
+ int extra_pitch;
+ } automated_test_params[] = {
+ /* Test: even width and height */
+ { SDL_FALSE, 2, 0 },
+ { SDL_FALSE, 4, 0 },
+ /* Test: odd width and height */
+ { SDL_FALSE, 1, 0 },
+ { SDL_FALSE, 3, 0 },
+ /* Test: even width and height, extra pitch */
+ { SDL_FALSE, 2, 3 },
+ { SDL_FALSE, 4, 3 },
+ /* Test: odd width and height, extra pitch */
+ { SDL_FALSE, 1, 3 },
+ { SDL_FALSE, 3, 3 },
+ /* Test: even width and height with intrinsics */
+ { SDL_TRUE, 32, 0 },
+ /* Test: odd width and height with intrinsics */
+ { SDL_TRUE, 33, 0 },
+ { SDL_TRUE, 37, 0 },
+ /* Test: even width and height with intrinsics, extra pitch */
+ { SDL_TRUE, 32, 3 },
+ /* Test: odd width and height with intrinsics, extra pitch */
+ { SDL_TRUE, 33, 3 },
+ { SDL_TRUE, 37, 3 },
+ };
+ int arg = 1;
+ const char *filename;
+ SDL_Surface *original;
+ SDL_Surface *converted;
+ SDL_Window *window;
+ SDL_Renderer *renderer;
+ SDL_Texture *output[3];
+ const char *titles[3] = { "ORIGINAL", "SOFTWARE", "HARDWARE" };
+ char title[128];
+ const char *yuv_name;
+ const char *yuv_mode;
+ Uint32 rgb_format = SDL_PIXELFORMAT_RGBX8888;
+ Uint32 yuv_format = SDL_PIXELFORMAT_YV12;
+ int current = 0;
+ int pitch;
+ Uint8 *raw_yuv;
+ Uint32 then, now, i, iterations = 100;
+ SDL_bool should_run_automated_tests = SDL_FALSE;
+
+ while (argv[arg] && *argv[arg] == '-') {
+ if (SDL_strcmp(argv[arg], "--jpeg") == 0) {
+ SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_JPEG);
+ } else if (SDL_strcmp(argv[arg], "--bt601") == 0) {
+ SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_BT601);
+ } else if (SDL_strcmp(argv[arg], "--bt709") == 0) {
+ SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_BT709);
+ } else if (SDL_strcmp(argv[arg], "--auto") == 0) {
+ SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_AUTOMATIC);
+ } else if (SDL_strcmp(argv[arg], "--yv12") == 0) {
+ yuv_format = SDL_PIXELFORMAT_YV12;
+ } else if (SDL_strcmp(argv[arg], "--iyuv") == 0) {
+ yuv_format = SDL_PIXELFORMAT_IYUV;
+ } else if (SDL_strcmp(argv[arg], "--yuy2") == 0) {
+ yuv_format = SDL_PIXELFORMAT_YUY2;
+ } else if (SDL_strcmp(argv[arg], "--uyvy") == 0) {
+ yuv_format = SDL_PIXELFORMAT_UYVY;
+ } else if (SDL_strcmp(argv[arg], "--yvyu") == 0) {
+ yuv_format = SDL_PIXELFORMAT_YVYU;
+ } else if (SDL_strcmp(argv[arg], "--nv12") == 0) {
+ yuv_format = SDL_PIXELFORMAT_NV12;
+ } else if (SDL_strcmp(argv[arg], "--nv21") == 0) {
+ yuv_format = SDL_PIXELFORMAT_NV21;
+ } else if (SDL_strcmp(argv[arg], "--rgb555") == 0) {
+ rgb_format = SDL_PIXELFORMAT_RGB555;
+ } else if (SDL_strcmp(argv[arg], "--rgb565") == 0) {
+ rgb_format = SDL_PIXELFORMAT_RGB565;
+ } else if (SDL_strcmp(argv[arg], "--rgb24") == 0) {
+ rgb_format = SDL_PIXELFORMAT_RGB24;
+ } else if (SDL_strcmp(argv[arg], "--argb") == 0) {
+ rgb_format = SDL_PIXELFORMAT_ARGB8888;
+ } else if (SDL_strcmp(argv[arg], "--abgr") == 0) {
+ rgb_format = SDL_PIXELFORMAT_ABGR8888;
+ } else if (SDL_strcmp(argv[arg], "--rgba") == 0) {
+ rgb_format = SDL_PIXELFORMAT_RGBA8888;
+ } else if (SDL_strcmp(argv[arg], "--bgra") == 0) {
+ rgb_format = SDL_PIXELFORMAT_BGRA8888;
+ } else if (SDL_strcmp(argv[arg], "--automated") == 0) {
+ should_run_automated_tests = SDL_TRUE;
+ } else {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Usage: %s [--jpeg|--bt601|-bt709|--auto] [--yv12|--iyuv|--yuy2|--uyvy|--yvyu|--nv12|--nv21] [--rgb555|--rgb565|--rgb24|--argb|--abgr|--rgba|--bgra] [image_filename]\n", argv[0]);
+ return 1;
+ }
+ ++arg;
+ }
+
+ /* Run automated tests */
+ if (should_run_automated_tests) {
+ for (i = 0; i < SDL_arraysize(automated_test_params); ++i) {
+ SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Running automated test, pattern size %d, extra pitch %d, intrinsics %s\n",
+ automated_test_params[i].pattern_size,
+ automated_test_params[i].extra_pitch,
+ automated_test_params[i].enable_intrinsics ? "enabled" : "disabled");
+ if (run_automated_tests(automated_test_params[i].pattern_size, automated_test_params[i].extra_pitch) < 0) {
+ return 2;
+ }
+ }
+ return 0;
+ }
+
+ if (argv[arg]) {
+ filename = argv[arg];
+ } else {
+ filename = "testyuv.bmp";
+ }
+ original = SDL_ConvertSurfaceFormat(SDL_LoadBMP(filename), SDL_PIXELFORMAT_RGB24, 0);
+ if (!original) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s\n", filename, SDL_GetError());
+ return 3;
+ }
+
+ raw_yuv = SDL_calloc(1, MAX_YUV_SURFACE_SIZE(original->w, original->h, 0));
+ ConvertRGBtoYUV(yuv_format, original->pixels, original->pitch, raw_yuv, original->w, original->h,
+ SDL_GetYUVConversionModeForResolution(original->w, original->h),
+ 0, 100);
+ pitch = CalculateYUVPitch(yuv_format, original->w);
+
+ converted = SDL_CreateRGBSurfaceWithFormat(0, original->w, original->h, 0, rgb_format);
+ if (!converted) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create converted surface: %s\n", SDL_GetError());
+ return 3;
+ }
+
+ then = SDL_GetTicks();
+ for ( i = 0; i < iterations; ++i ) {
+ SDL_ConvertPixels(original->w, original->h, yuv_format, raw_yuv, pitch, rgb_format, converted->pixels, converted->pitch);
+ }
+ now = SDL_GetTicks();
+ SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "%d iterations in %d ms, %.2fms each\n", iterations, (now - then), (float)(now - then)/iterations);
+
+ window = SDL_CreateWindow("YUV test",
+ SDL_WINDOWPOS_UNDEFINED,
+ SDL_WINDOWPOS_UNDEFINED,
+ original->w, original->h,
+ 0);
+ if (!window) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
+ return 4;
+ }
+
+ renderer = SDL_CreateRenderer(window, -1, 0);
+ if (!renderer) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
+ return 4;
+ }
+
+ output[0] = SDL_CreateTextureFromSurface(renderer, original);
+ output[1] = SDL_CreateTextureFromSurface(renderer, converted);
+ output[2] = SDL_CreateTexture(renderer, yuv_format, SDL_TEXTUREACCESS_STREAMING, original->w, original->h);
+ if (!output[0] || !output[1] || !output[2]) {
+ SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
+ return 5;
+ }
+ SDL_UpdateTexture(output[2], NULL, raw_yuv, pitch);
+
+ yuv_name = SDL_GetPixelFormatName(yuv_format);
+ if (SDL_strncmp(yuv_name, "SDL_PIXELFORMAT_", 16) == 0) {
+ yuv_name += 16;
+ }
+
+ switch (SDL_GetYUVConversionModeForResolution(original->w, original->h)) {
+ case SDL_YUV_CONVERSION_JPEG:
+ yuv_mode = "JPEG";
+ break;
+ case SDL_YUV_CONVERSION_BT601:
+ yuv_mode = "BT.601";
+ break;
+ case SDL_YUV_CONVERSION_BT709:
+ yuv_mode = "BT.709";
+ break;
+ default:
+ yuv_mode = "UNKNOWN";
+ break;
+ }
+
+ { int done = 0;
+ while ( !done )
+ {
+ SDL_Event event;
+ while (SDL_PollEvent(&event) > 0) {
+ if (event.type == SDL_QUIT) {
+ done = 1;
+ }
+ if (event.type == SDL_KEYDOWN) {
+ if (event.key.keysym.sym == SDLK_ESCAPE) {
+ done = 1;
+ } else if (event.key.keysym.sym == SDLK_LEFT) {
+ --current;
+ } else if (event.key.keysym.sym == SDLK_RIGHT) {
+ ++current;
+ }
+ }
+ if (event.type == SDL_MOUSEBUTTONDOWN) {
+ if (event.button.x < (original->w/2)) {
+ --current;
+ } else {
+ ++current;
+ }
+ }
+ }
+
+ /* Handle wrapping */
+ if (current < 0) {
+ current += SDL_arraysize(output);
+ }
+ if (current >= SDL_arraysize(output)) {
+ current -= SDL_arraysize(output);
+ }
+
+ SDL_RenderClear(renderer);
+ SDL_RenderCopy(renderer, output[current], NULL, NULL);
+ SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
+ if (current == 0) {
+ SDLTest_DrawString(renderer, 4, 4, titles[current]);
+ } else {
+ SDL_snprintf(title, sizeof(title), "%s %s %s", titles[current], yuv_name, yuv_mode);
+ SDLTest_DrawString(renderer, 4, 4, title);
+ }
+ SDL_RenderPresent(renderer);
+ SDL_Delay(10);
+ }
+ }
+ SDL_Quit();
+ return 0;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/test/testyuv_cvt.c b/libs/SDL2/test/testyuv_cvt.c
new file mode 100644
index 0000000000000000000000000000000000000000..553a3fa185de6647db5f9386a4fbe3a8695c63b9
--- /dev/null
+++ b/libs/SDL2/test/testyuv_cvt.c
@@ -0,0 +1,300 @@
+/*
+ Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely.
+*/
+
+#include "SDL.h"
+
+#include "testyuv_cvt.h"
+
+
+static float clip3(float x, float y, float z)
+{
+ return ((z < x) ? x : ((z > y) ? y : z));
+}
+
+static void RGBtoYUV(Uint8 * rgb, int *yuv, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+ if (mode == SDL_YUV_CONVERSION_JPEG) {
+ /* Full range YUV */
+ yuv[0] = (int)(0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
+ yuv[1] = (int)((rgb[2] - yuv[0]) * 0.565 + 128);
+ yuv[2] = (int)((rgb[0] - yuv[0]) * 0.713 + 128);
+ } else {
+ // This formula is from Microsoft's documentation:
+ // https://msdn.microsoft.com/en-us/library/windows/desktop/dd206750(v=vs.85).aspx
+ // L = Kr * R + Kb * B + (1 - Kr - Kb) * G
+ // Y = floor(2^(M-8) * (219*(L-Z)/S + 16) + 0.5);
+ // U = clip3(0, (2^M)-1, floor(2^(M-8) * (112*(B-L) / ((1-Kb)*S) + 128) + 0.5));
+ // V = clip3(0, (2^M)-1, floor(2^(M-8) * (112*(R-L) / ((1-Kr)*S) + 128) + 0.5));
+ float S, Z, R, G, B, L, Kr, Kb, Y, U, V;
+
+ if (mode == SDL_YUV_CONVERSION_BT709) {
+ /* BT.709 */
+ Kr = 0.2126f;
+ Kb = 0.0722f;
+ } else {
+ /* BT.601 */
+ Kr = 0.299f;
+ Kb = 0.114f;
+ }
+
+ S = 255.0f;
+ Z = 0.0f;
+ R = rgb[0];
+ G = rgb[1];
+ B = rgb[2];
+ L = Kr * R + Kb * B + (1 - Kr - Kb) * G;
+ Y = (Uint8)SDL_floorf((219*(L-Z)/S + 16) + 0.5f);
+ U = (Uint8)clip3(0, 255, SDL_floorf((112.0f*(B-L) / ((1.0f-Kb)*S) + 128) + 0.5f));
+ V = (Uint8)clip3(0, 255, SDL_floorf((112.0f*(R-L) / ((1.0f-Kr)*S) + 128) + 0.5f));
+
+ yuv[0] = (Uint8)Y;
+ yuv[1] = (Uint8)U;
+ yuv[2] = (Uint8)V;
+ }
+
+ if (monochrome) {
+ yuv[1] = 128;
+ yuv[2] = 128;
+ }
+
+ if (luminance != 100) {
+ yuv[0] = yuv[0] * luminance / 100;
+ if (yuv[0] > 255)
+ yuv[0] = 255;
+ }
+}
+
+static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+ int x, y;
+ int yuv[4][3];
+ Uint8 *Y1, *Y2, *U, *V;
+ Uint8 *rgb1, *rgb2;
+ int rgb_row_advance = (pitch - w*3) + pitch;
+ int UV_advance;
+
+ rgb1 = src;
+ rgb2 = src + pitch;
+
+ Y1 = out;
+ Y2 = Y1 + w;
+ switch (format) {
+ case SDL_PIXELFORMAT_YV12:
+ V = (Y1 + h * w);
+ U = V + ((h + 1)/2)*((w + 1)/2);
+ UV_advance = 1;
+ break;
+ case SDL_PIXELFORMAT_IYUV:
+ U = (Y1 + h * w);
+ V = U + ((h + 1)/2)*((w + 1)/2);
+ UV_advance = 1;
+ break;
+ case SDL_PIXELFORMAT_NV12:
+ U = (Y1 + h * w);
+ V = U + 1;
+ UV_advance = 2;
+ break;
+ case SDL_PIXELFORMAT_NV21:
+ V = (Y1 + h * w);
+ U = V + 1;
+ UV_advance = 2;
+ break;
+ default:
+ SDL_assert(!"Unsupported planar YUV format");
+ return;
+ }
+
+ for (y = 0; y < (h - 1); y += 2) {
+ for (x = 0; x < (w - 1); x += 2) {
+ RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+ rgb1 += 3;
+ *Y1++ = (Uint8)yuv[0][0];
+
+ RGBtoYUV(rgb1, yuv[1], mode, monochrome, luminance);
+ rgb1 += 3;
+ *Y1++ = (Uint8)yuv[1][0];
+
+ RGBtoYUV(rgb2, yuv[2], mode, monochrome, luminance);
+ rgb2 += 3;
+ *Y2++ = (Uint8)yuv[2][0];
+
+ RGBtoYUV(rgb2, yuv[3], mode, monochrome, luminance);
+ rgb2 += 3;
+ *Y2++ = (Uint8)yuv[3][0];
+
+ *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1] + yuv[2][1] + yuv[3][1])/4.0f + 0.5f);
+ U += UV_advance;
+
+ *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2] + yuv[2][2] + yuv[3][2])/4.0f + 0.5f);
+ V += UV_advance;
+ }
+ /* Last column */
+ if (x == (w - 1)) {
+ RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+ rgb1 += 3;
+ *Y1++ = (Uint8)yuv[0][0];
+
+ RGBtoYUV(rgb2, yuv[2], mode, monochrome, luminance);
+ rgb2 += 3;
+ *Y2++ = (Uint8)yuv[2][0];
+
+ *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[2][1])/2.0f + 0.5f);
+ U += UV_advance;
+
+ *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[2][2])/2.0f + 0.5f);
+ V += UV_advance;
+ }
+ Y1 += w;
+ Y2 += w;
+ rgb1 += rgb_row_advance;
+ rgb2 += rgb_row_advance;
+ }
+ /* Last row */
+ if (y == (h - 1)) {
+ for (x = 0; x < (w - 1); x += 2) {
+ RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+ rgb1 += 3;
+ *Y1++ = (Uint8)yuv[0][0];
+
+ RGBtoYUV(rgb1, yuv[1], mode, monochrome, luminance);
+ rgb1 += 3;
+ *Y1++ = (Uint8)yuv[1][0];
+
+ *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1])/2.0f + 0.5f);
+ U += UV_advance;
+
+ *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2])/2.0f + 0.5f);
+ V += UV_advance;
+ }
+ /* Last column */
+ if (x == (w - 1)) {
+ RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+ *Y1++ = (Uint8)yuv[0][0];
+
+ *U = (Uint8)yuv[0][1];
+ U += UV_advance;
+
+ *V = (Uint8)yuv[0][2];
+ V += UV_advance;
+ }
+ }
+}
+
+static void ConvertRGBtoPacked4(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+ int x, y;
+ int yuv[2][3];
+ Uint8 *Y1, *Y2, *U, *V;
+ Uint8 *rgb;
+ int rgb_row_advance = (pitch - w*3);
+
+ rgb = src;
+
+ switch (format) {
+ case SDL_PIXELFORMAT_YUY2:
+ Y1 = out;
+ U = out+1;
+ Y2 = out+2;
+ V = out+3;
+ break;
+ case SDL_PIXELFORMAT_UYVY:
+ U = out;
+ Y1 = out+1;
+ V = out+2;
+ Y2 = out+3;
+ break;
+ case SDL_PIXELFORMAT_YVYU:
+ Y1 = out;
+ V = out+1;
+ Y2 = out+2;
+ U = out+3;
+ break;
+ default:
+ SDL_assert(!"Unsupported packed YUV format");
+ return;
+ }
+
+ for (y = 0; y < h; ++y) {
+ for (x = 0; x < (w - 1); x += 2) {
+ RGBtoYUV(rgb, yuv[0], mode, monochrome, luminance);
+ rgb += 3;
+ *Y1 = (Uint8)yuv[0][0];
+ Y1 += 4;
+
+ RGBtoYUV(rgb, yuv[1], mode, monochrome, luminance);
+ rgb += 3;
+ *Y2 = (Uint8)yuv[1][0];
+ Y2 += 4;
+
+ *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1])/2.0f + 0.5f);
+ U += 4;
+
+ *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2])/2.0f + 0.5f);
+ V += 4;
+ }
+ /* Last column */
+ if (x == (w - 1)) {
+ RGBtoYUV(rgb, yuv[0], mode, monochrome, luminance);
+ rgb += 3;
+ *Y2 = *Y1 = (Uint8)yuv[0][0];
+ Y1 += 4;
+ Y2 += 4;
+
+ *U = (Uint8)yuv[0][1];
+ U += 4;
+
+ *V = (Uint8)yuv[0][2];
+ V += 4;
+ }
+ rgb += rgb_row_advance;
+ }
+}
+
+SDL_bool ConvertRGBtoYUV(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+ switch (format)
+ {
+ case SDL_PIXELFORMAT_YV12:
+ case SDL_PIXELFORMAT_IYUV:
+ case SDL_PIXELFORMAT_NV12:
+ case SDL_PIXELFORMAT_NV21:
+ ConvertRGBtoPlanar2x2(format, src, pitch, out, w, h, mode, monochrome, luminance);
+ return SDL_TRUE;
+ case SDL_PIXELFORMAT_YUY2:
+ case SDL_PIXELFORMAT_UYVY:
+ case SDL_PIXELFORMAT_YVYU:
+ ConvertRGBtoPacked4(format, src, pitch, out, w, h, mode, monochrome, luminance);
+ return SDL_TRUE;
+ default:
+ return SDL_FALSE;
+ }
+}
+
+int CalculateYUVPitch(Uint32 format, int width)
+{
+ switch (format)
+ {
+ case SDL_PIXELFORMAT_YV12:
+ case SDL_PIXELFORMAT_IYUV:
+ case SDL_PIXELFORMAT_NV12:
+ case SDL_PIXELFORMAT_NV21:
+ return width;
+ case SDL_PIXELFORMAT_YUY2:
+ case SDL_PIXELFORMAT_UYVY:
+ case SDL_PIXELFORMAT_YVYU:
+ return 4*((width + 1)/2);
+ default:
+ return 0;
+ }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/test/testyuv_cvt.h b/libs/SDL2/test/testyuv_cvt.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd845878f4607518d2a32746c61e28e2555d82b8
--- /dev/null
+++ b/libs/SDL2/test/testyuv_cvt.h
@@ -0,0 +1,16 @@
+/*
+ Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely.
+*/
+
+/* These functions are designed for testing correctness, not for speed */
+
+extern SDL_bool ConvertRGBtoYUV(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance);
+extern int CalculateYUVPitch(Uint32 format, int width);