LOVE/megasource
1
0
Fork 0
mirror of https://github.com/love2d/megasource.git synced 2026-08-20 12:40:06 +02:00
Code Issues Packages Projects Releases Wiki Activity

Update SDL2 to version 2.28.1.

Browse Source
This commit is contained in:
Sasha Szpakowski
2023-08-31 22:21:03 -03:00
parent 99b2757fc5
commit a82fcdd079
1394 changed files with 313046 additions and 190617 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/SDL2/test/testyuv_cvt.c
+32 -34
View File
@@ -1,5 +1,5 @@
/*
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2023 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
@@ -14,13 +14,12 @@
#include "testyuv_cvt.h"
static float clip3(float x, float y, float z)
{
return ((z < x) ? x : ((z > y) ? y : 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)
static void RGBtoYUV(const Uint8 *rgb, int *yuv, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
{
if (mode == SDL_YUV_CONVERSION_JPEG) {
/* Full range YUV */
@@ -52,9 +51,9 @@ static void RGBtoYUV(Uint8 * rgb, int *yuv, SDL_YUV_CONVERSION_MODE mode, int mo
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));
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;
@@ -68,8 +67,9 @@ static void RGBtoYUV(Uint8 * rgb, int *yuv, SDL_YUV_CONVERSION_MODE mode, int mo
if (luminance != 100) {
yuv[0] = yuv[0] * luminance / 100;
if (yuv[0] > 255)
if (yuv[0] > 255) {
yuv[0] = 255;
}
}
}
@@ -79,7 +79,7 @@ static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *o
int yuv[4][3];
Uint8 *Y1, *Y2, *U, *V;
Uint8 *rgb1, *rgb2;
int rgb_row_advance = (pitch - w*3) + pitch;
int rgb_row_advance = (pitch - w * 3) + pitch;
int UV_advance;
rgb1 = src;
@@ -90,12 +90,12 @@ static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *o
switch (format) {
case SDL_PIXELFORMAT_YV12:
V = (Y1 + h * w);
U = V + ((h + 1)/2)*((w + 1)/2);
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);
V = U + ((h + 1) / 2) * ((w + 1) / 2);
UV_advance = 1;
break;
case SDL_PIXELFORMAT_NV12:
@@ -131,10 +131,10 @@ static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *o
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 = (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 = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2] + yuv[2][2] + yuv[3][2]) / 4.0f + 0.5f);
V += UV_advance;
}
/* Last column */
@@ -147,10 +147,10 @@ static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *o
rgb2 += 3;
*Y2++ = (Uint8)yuv[2][0];
*U = (Uint8)SDL_floorf((yuv[0][1] + yuv[2][1])/2.0f + 0.5f);
*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 = (Uint8)SDL_floorf((yuv[0][2] + yuv[2][2]) / 2.0f + 0.5f);
V += UV_advance;
}
Y1 += w;
@@ -169,10 +169,10 @@ static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *o
rgb1 += 3;
*Y1++ = (Uint8)yuv[1][0];
*U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1])/2.0f + 0.5f);
*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 = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2]) / 2.0f + 0.5f);
V += UV_advance;
}
/* Last column */
@@ -195,28 +195,28 @@ static void ConvertRGBtoPacked4(Uint32 format, Uint8 *src, int pitch, Uint8 *out
int yuv[2][3];
Uint8 *Y1, *Y2, *U, *V;
Uint8 *rgb;
int rgb_row_advance = (pitch - w*3);
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;
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;
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;
V = out + 1;
Y2 = out + 2;
U = out + 3;
break;
default:
SDL_assert(!"Unsupported packed YUV format");
@@ -235,10 +235,10 @@ static void ConvertRGBtoPacked4(Uint32 format, Uint8 *src, int pitch, Uint8 *out
*Y2 = (Uint8)yuv[1][0];
Y2 += 4;
*U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1])/2.0f + 0.5f);
*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 = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2]) / 2.0f + 0.5f);
V += 4;
}
/* Last column */
@@ -261,8 +261,7 @@ static void ConvertRGBtoPacked4(Uint32 format, Uint8 *src, int pitch, Uint8 *out
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)
{
switch (format) {
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
case SDL_PIXELFORMAT_NV12:
@@ -281,8 +280,7 @@ SDL_bool ConvertRGBtoYUV(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w
int CalculateYUVPitch(Uint32 format, int width)
{
switch (format)
{
switch (format) {
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
case SDL_PIXELFORMAT_NV12:
@@ -291,7 +289,7 @@ int CalculateYUVPitch(Uint32 format, int width)
case SDL_PIXELFORMAT_YUY2:
case SDL_PIXELFORMAT_UYVY:
case SDL_PIXELFORMAT_YVYU:
return 4*((width + 1)/2);
return 4 * ((width + 1) / 2);
default:
return 0;
}