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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "SDL_config.h"
23 #include "SDL_video.h"
25 /* This is the software implementation of the YUV texture support */
28 {
31  int w, h;
33  int *colortab;
36  unsigned char *lum, unsigned char *cr,
37  unsigned char *cb, unsigned char *out,
38  int rows, int cols, int mod);
40  unsigned char *lum, unsigned char *cr,
41  unsigned char *cb, unsigned char *out,
42  int rows, int cols, int mod);
44  /* These are just so we don't have to allocate them separately */
48  /* This is a temporary surface in case we have to stretch copy */
51 };
57  int *pitch);
58 int SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
59  const void *pixels, int pitch);
61  const Uint8 *Yplane, int Ypitch,
62  const Uint8 *Uplane, int Upitch,
63  const Uint8 *Vplane, int Vpitch);
64 int SDL_SW_LockYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
65  void **pixels, int *pitch);
67 int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture * swdata, const SDL_Rect * srcrect,
68  Uint32 target_format, int w, int h, void *pixels,
69  int pitch);
72 /* vi: set ts=4 sw=4 expandtab: */
void SDL_SW_UnlockYUVTexture(SDL_SW_YUVTexture *swdata)
Definition: SDL_yuv_sw.c:1267
SDL_SW_YUVTexture * SDL_SW_CreateYUVTexture(Uint32 format, int w, int h)
Definition: SDL_yuv_sw.c:1021
GLfloat GLfloat GLfloat GLfloat h
Definition: glew.h:7294
Definition: glew.h:1824
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
int SDL_SW_LockYUVTexture(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, void **pixels, int *pitch)
Definition: SDL_yuv_sw.c:1242
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:145
int SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const void *pixels, int pitch)
Definition: SDL_yuv_sw.c:1114
Uint32 * rgb_2_pix
Definition: SDL_yuv_sw_c.h:34
GLint GLenum GLsizei GLsizei GLsizei GLint GLenum format
Definition: gl2ext.h:845
void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture *swdata)
Definition: SDL_yuv_sw.c:1387
SDL_Surface * stretch
Definition: SDL_yuv_sw_c.h:49
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:46
GLint GLenum GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: gl2ext.h:845
int SDL_SW_QueryYUVTexturePixels(SDL_SW_YUVTexture *swdata, void **pixels, int *pitch)
Definition: SDL_yuv_sw.c:1105
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:45
int SDL_SW_UpdateYUVTexturePlanar(SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
Definition: SDL_yuv_sw.c:1188
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:129
int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture *swdata, const SDL_Rect *srcrect, Uint32 target_format, int w, int h, void *pixels, int pitch)
Definition: SDL_yuv_sw.c:1272
GLint GLint GLint GLint GLint w
Definition: gl2ext.h:1215
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:137
SDL_Surface * display
Definition: SDL_yuv_sw_c.h:50
void(* Display2X)(int *colortab, Uint32 *rgb_2_pix, unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int rows, int cols, int mod)
Definition: SDL_yuv_sw_c.h:39
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:63
void(* Display1X)(int *colortab, Uint32 *rgb_2_pix, unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int rows, int cols, int mod)
Definition: SDL_yuv_sw_c.h:35