SDL  2.0
SDL_yuv_sw_c.h File Reference
#include "../SDL_internal.h"
#include "SDL_video.h"
+ Include dependency graph for SDL_yuv_sw_c.h:
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Go to the source code of this file.

Data Structures

struct  SDL_SW_YUVTexture
 

Functions

SDL_SW_YUVTextureSDL_SW_CreateYUVTexture (Uint32 format, int w, int h)
 
int SDL_SW_QueryYUVTexturePixels (SDL_SW_YUVTexture *swdata, void **pixels, int *pitch)
 
int SDL_SW_UpdateYUVTexture (SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, const void *pixels, int pitch)
 
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)
 
int SDL_SW_LockYUVTexture (SDL_SW_YUVTexture *swdata, const SDL_Rect *rect, void **pixels, int *pitch)
 
void SDL_SW_UnlockYUVTexture (SDL_SW_YUVTexture *swdata)
 
int SDL_SW_CopyYUVToRGB (SDL_SW_YUVTexture *swdata, const SDL_Rect *srcrect, Uint32 target_format, int w, int h, void *pixels, int pitch)
 
void SDL_SW_DestroyYUVTexture (SDL_SW_YUVTexture *swdata)
 

Function Documentation

◆ SDL_SW_CopyYUVToRGB()

int SDL_SW_CopyYUVToRGB ( SDL_SW_YUVTexture swdata,
const SDL_Rect srcrect,
Uint32  target_format,
int  w,
int  h,
void pixels,
int  pitch 
)

Definition at line 334 of file SDL_yuv_sw.c.

References bpp, SDL_SW_YUVTexture::display, SDL_SW_YUVTexture::format, SDL_SW_YUVTexture::h, SDL_Rect::h, SDL_Surface::h, NULL, SDL_Surface::pitch, SDL_SW_YUVTexture::pitches, SDL_Surface::pixels, SDL_SW_YUVTexture::planes, rect, SDL_ConvertPixels, SDL_CreateRGBSurface, SDL_CreateRGBSurfaceFrom, SDL_FreeSurface, SDL_PixelFormatEnumToMasks, SDL_SoftStretch, SDL_SW_YUVTexture::stretch, SDL_SW_YUVTexture::target_format, SDL_SW_YUVTexture::w, SDL_Rect::w, SDL_Surface::w, SDL_Rect::x, and SDL_Rect::y.

Referenced by SDL_UnlockTextureYUV(), SDL_UpdateTextureYUV(), and SDL_UpdateTextureYUVPlanar().

337 {
338  int stretch;
339 
340  /* Make sure we're set up to display in the desired format */
341  if (target_format != swdata->target_format && swdata->display) {
342  SDL_FreeSurface(swdata->display);
343  swdata->display = NULL;
344  }
345 
346  stretch = 0;
347  if (srcrect->x || srcrect->y || srcrect->w < swdata->w || srcrect->h < swdata->h) {
348  /* The source rectangle has been clipped.
349  Using a scratch surface is easier than adding clipped
350  source support to all the blitters, plus that would
351  slow them down in the general unclipped case.
352  */
353  stretch = 1;
354  } else if ((srcrect->w != w) || (srcrect->h != h)) {
355  stretch = 1;
356  }
357  if (stretch) {
358  int bpp;
359  Uint32 Rmask, Gmask, Bmask, Amask;
360 
361  if (swdata->display) {
362  swdata->display->w = w;
363  swdata->display->h = h;
364  swdata->display->pixels = pixels;
365  swdata->display->pitch = pitch;
366  } else {
367  /* This must have succeeded in SDL_SW_SetupYUVDisplay() earlier */
368  SDL_PixelFormatEnumToMasks(target_format, &bpp, &Rmask, &Gmask,
369  &Bmask, &Amask);
370  swdata->display =
371  SDL_CreateRGBSurfaceFrom(pixels, w, h, bpp, pitch, Rmask,
372  Gmask, Bmask, Amask);
373  if (!swdata->display) {
374  return (-1);
375  }
376  }
377  if (!swdata->stretch) {
378  /* This must have succeeded in SDL_SW_SetupYUVDisplay() earlier */
379  SDL_PixelFormatEnumToMasks(target_format, &bpp, &Rmask, &Gmask,
380  &Bmask, &Amask);
381  swdata->stretch =
382  SDL_CreateRGBSurface(0, swdata->w, swdata->h, bpp, Rmask,
383  Gmask, Bmask, Amask);
384  if (!swdata->stretch) {
385  return (-1);
386  }
387  }
388  pixels = swdata->stretch->pixels;
389  pitch = swdata->stretch->pitch;
390  }
391  if (SDL_ConvertPixels(swdata->w, swdata->h, swdata->format,
392  swdata->planes[0], swdata->pitches[0],
393  target_format, pixels, pitch) < 0) {
394  return -1;
395  }
396  if (stretch) {
397  SDL_Rect rect = *srcrect;
398  SDL_SoftStretch(swdata->stretch, &rect, swdata->display, NULL);
399  }
400  return 0;
401 }
#define SDL_SoftStretch
SDL_Rect rect
Definition: testrelative.c:27
GLfloat GLfloat GLfloat GLfloat h
set set set set set set set macro pixldst1 abits if abits op else op endif endm macro pixldst2 abits if abits op else op endif endm macro pixldst4 abits if abits op else op endif endm macro pixldst0 abits op endm macro pixldst3 mem_operand op endm macro pixldst30 mem_operand op endm macro pixldst abits if abits elseif abits elseif abits elseif abits elseif abits pixldst0 abits else pixldst0 abits pixldst0 abits pixldst0 abits pixldst0 abits endif elseif abits else pixldst0 abits pixldst0 abits endif elseif abits else error unsupported bpp
#define SDL_CreateRGBSurfaceFrom
void * pixels
Definition: SDL_surface.h:75
#define SDL_FreeSurface
GLubyte GLubyte GLubyte GLubyte w
#define SDL_PixelFormatEnumToMasks
int x
Definition: SDL_rect.h:66
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
SDL_Surface * stretch
Definition: SDL_yuv_sw_c.h:43
int w
Definition: SDL_rect.h:67
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:40
#define NULL
Definition: begin_code.h:164
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:39
#define SDL_CreateRGBSurface
int h
Definition: SDL_rect.h:67
uint32_t Uint32
Definition: SDL_stdinc.h:203
#define SDL_ConvertPixels
SDL_Surface * display
Definition: SDL_yuv_sw_c.h:44
int y
Definition: SDL_rect.h:66
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64

◆ SDL_SW_CreateYUVTexture()

SDL_SW_YUVTexture* SDL_SW_CreateYUVTexture ( Uint32  format,
int  w,
int  h 
)

< Planar mode: Y + V + U (3 planes)

< Planar mode: Y + U + V (3 planes)

< Packed mode: Y0+U0+Y1+V0 (1 plane)

< Packed mode: U0+Y0+V0+Y1 (1 plane)

< Packed mode: Y0+V0+Y1+U0 (1 plane)

< Planar mode: Y + U/V interleaved (2 planes)

< Planar mode: Y + V/U interleaved (2 planes)

Definition at line 31 of file SDL_yuv_sw.c.

References SDL_SW_YUVTexture::format, SDL_SW_YUVTexture::h, NULL, SDL_SW_YUVTexture::pitches, SDL_SW_YUVTexture::pixels, SDL_SW_YUVTexture::planes, SDL_assert, SDL_calloc, SDL_malloc, SDL_OutOfMemory, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_UNKNOWN, SDL_PIXELFORMAT_UYVY, SDL_PIXELFORMAT_YUY2, SDL_PIXELFORMAT_YV12, SDL_PIXELFORMAT_YVYU, SDL_SetError, SDL_SW_DestroyYUVTexture(), SDL_SW_YUVTexture::target_format, and SDL_SW_YUVTexture::w.

Referenced by SDL_CreateTexture().

32 {
33  SDL_SW_YUVTexture *swdata;
34 
35  switch (format) {
43  break;
44  default:
45  SDL_SetError("Unsupported YUV format");
46  return NULL;
47  }
48 
49  swdata = (SDL_SW_YUVTexture *) SDL_calloc(1, sizeof(*swdata));
50  if (!swdata) {
52  return NULL;
53  }
54 
55  swdata->format = format;
57  swdata->w = w;
58  swdata->h = h;
59  {
60  const int sz_plane = w * h;
61  const int sz_plane_chroma = ((w + 1) / 2) * ((h + 1) / 2);
62  const int sz_plane_packed = ((w + 1) / 2) * h;
63  int dst_size = 0;
64  switch(format)
65  {
66  case SDL_PIXELFORMAT_YV12: /**< Planar mode: Y + V + U (3 planes) */
67  case SDL_PIXELFORMAT_IYUV: /**< Planar mode: Y + U + V (3 planes) */
68  dst_size = sz_plane + sz_plane_chroma + sz_plane_chroma;
69  break;
70 
71  case SDL_PIXELFORMAT_YUY2: /**< Packed mode: Y0+U0+Y1+V0 (1 plane) */
72  case SDL_PIXELFORMAT_UYVY: /**< Packed mode: U0+Y0+V0+Y1 (1 plane) */
73  case SDL_PIXELFORMAT_YVYU: /**< Packed mode: Y0+V0+Y1+U0 (1 plane) */
74  dst_size = 4 * sz_plane_packed;
75  break;
76 
77  case SDL_PIXELFORMAT_NV12: /**< Planar mode: Y + U/V interleaved (2 planes) */
78  case SDL_PIXELFORMAT_NV21: /**< Planar mode: Y + V/U interleaved (2 planes) */
79  dst_size = sz_plane + sz_plane_chroma + sz_plane_chroma;
80  break;
81 
82  default:
83  SDL_assert(0 && "We should never get here (caught above)");
84  break;
85  }
86  swdata->pixels = (Uint8 *) SDL_malloc(dst_size);
87  if (!swdata->pixels) {
90  return NULL;
91  }
92  }
93 
94  /* Find the pitch and offset values for the texture */
95  switch (format) {
98  swdata->pitches[0] = w;
99  swdata->pitches[1] = (swdata->pitches[0] + 1) / 2;
100  swdata->pitches[2] = (swdata->pitches[0] + 1) / 2;
101  swdata->planes[0] = swdata->pixels;
102  swdata->planes[1] = swdata->planes[0] + swdata->pitches[0] * h;
103  swdata->planes[2] = swdata->planes[1] + swdata->pitches[1] * ((h + 1) / 2);
104  break;
108  swdata->pitches[0] = ((w + 1) / 2) * 4;
109  swdata->planes[0] = swdata->pixels;
110  break;
111 
114  swdata->pitches[0] = w;
115  swdata->pitches[1] = 2 * ((swdata->pitches[0] + 1) / 2);
116  swdata->planes[0] = swdata->pixels;
117  swdata->planes[1] = swdata->planes[0] + swdata->pitches[0] * h;
118  break;
119 
120  default:
121  SDL_assert(0 && "We should never get here (caught above)");
122  break;
123  }
124 
125  /* We're all done.. */
126  return (swdata);
127 }
GLfloat GLfloat GLfloat GLfloat h
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
uint8_t Uint8
Definition: SDL_stdinc.h:179
GLubyte GLubyte GLubyte GLubyte w
void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture *swdata)
Definition: SDL_yuv_sw.c:404
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:40
#define SDL_assert(condition)
Definition: SDL_assert.h:169
#define NULL
Definition: begin_code.h:164
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
#define SDL_SetError
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:39
#define SDL_calloc
#define SDL_malloc

◆ SDL_SW_DestroyYUVTexture()

void SDL_SW_DestroyYUVTexture ( SDL_SW_YUVTexture swdata)

Definition at line 404 of file SDL_yuv_sw.c.

References SDL_SW_YUVTexture::display, SDL_SW_YUVTexture::pixels, SDL_free, SDL_FreeSurface, and SDL_SW_YUVTexture::stretch.

Referenced by SDL_DestroyTexture(), and SDL_SW_CreateYUVTexture().

405 {
406  if (swdata) {
407  SDL_free(swdata->pixels);
408  SDL_FreeSurface(swdata->stretch);
409  SDL_FreeSurface(swdata->display);
410  SDL_free(swdata);
411  }
412 }
#define SDL_FreeSurface
#define SDL_free
SDL_Surface * stretch
Definition: SDL_yuv_sw_c.h:43
SDL_Surface * display
Definition: SDL_yuv_sw_c.h:44

◆ SDL_SW_LockYUVTexture()

int SDL_SW_LockYUVTexture ( SDL_SW_YUVTexture swdata,
const SDL_Rect rect,
void **  pixels,
int *  pitch 
)

Definition at line 302 of file SDL_yuv_sw.c.

References SDL_SW_YUVTexture::format, SDL_SW_YUVTexture::h, SDL_Rect::h, SDL_SW_YUVTexture::pitches, SDL_SW_YUVTexture::planes, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_YV12, SDL_SetError, SDL_SW_YUVTexture::w, SDL_Rect::w, SDL_Rect::x, and SDL_Rect::y.

Referenced by SDL_LockTextureYUV().

304 {
305  switch (swdata->format) {
310  if (rect
311  && (rect->x != 0 || rect->y != 0 || rect->w != swdata->w
312  || rect->h != swdata->h)) {
313  return SDL_SetError
314  ("YV12, IYUV, NV12, NV21 textures only support full surface locks");
315  }
316  break;
317  }
318 
319  if (rect) {
320  *pixels = swdata->planes[0] + rect->y * swdata->pitches[0] + rect->x * 2;
321  } else {
322  *pixels = swdata->planes[0];
323  }
324  *pitch = swdata->pitches[0];
325  return 0;
326 }
int x
Definition: SDL_rect.h:66
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
int w
Definition: SDL_rect.h:67
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:40
#define SDL_SetError
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:39
int h
Definition: SDL_rect.h:67
int y
Definition: SDL_rect.h:66

◆ SDL_SW_QueryYUVTexturePixels()

int SDL_SW_QueryYUVTexturePixels ( SDL_SW_YUVTexture swdata,
void **  pixels,
int *  pitch 
)

Definition at line 130 of file SDL_yuv_sw.c.

References SDL_SW_YUVTexture::pitches, and SDL_SW_YUVTexture::planes.

132 {
133  *pixels = swdata->planes[0];
134  *pitch = swdata->pitches[0];
135  return 0;
136 }
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:40
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:39

◆ SDL_SW_UnlockYUVTexture()

void SDL_SW_UnlockYUVTexture ( SDL_SW_YUVTexture swdata)

Definition at line 329 of file SDL_yuv_sw.c.

330 {
331 }

◆ SDL_SW_UpdateYUVTexture()

int SDL_SW_UpdateYUVTexture ( SDL_SW_YUVTexture swdata,
const SDL_Rect rect,
const void pixels,
int  pitch 
)

Definition at line 139 of file SDL_yuv_sw.c.

References SDL_SW_YUVTexture::format, SDL_SW_YUVTexture::h, SDL_Rect::h, SDL_SW_YUVTexture::pitches, SDL_SW_YUVTexture::pixels, SDL_SW_YUVTexture::planes, SDL_memcpy, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_NV12, SDL_PIXELFORMAT_NV21, SDL_PIXELFORMAT_UYVY, SDL_PIXELFORMAT_YUY2, SDL_PIXELFORMAT_YV12, SDL_PIXELFORMAT_YVYU, SDL_SW_YUVTexture::w, SDL_Rect::w, SDL_Rect::x, and SDL_Rect::y.

Referenced by SDL_UpdateTextureYUV().

141 {
142  switch (swdata->format) {
145  if (rect->x == 0 && rect->y == 0 &&
146  rect->w == swdata->w && rect->h == swdata->h) {
147  SDL_memcpy(swdata->pixels, pixels,
148  (swdata->h * swdata->w) + 2* ((swdata->h + 1) /2) * ((swdata->w + 1) / 2));
149  } else {
150  Uint8 *src, *dst;
151  int row;
152  size_t length;
153 
154  /* Copy the Y plane */
155  src = (Uint8 *) pixels;
156  dst = swdata->pixels + rect->y * swdata->w + rect->x;
157  length = rect->w;
158  for (row = 0; row < rect->h; ++row) {
159  SDL_memcpy(dst, src, length);
160  src += pitch;
161  dst += swdata->w;
162  }
163 
164  /* Copy the next plane */
165  src = (Uint8 *) pixels + rect->h * pitch;
166  dst = swdata->pixels + swdata->h * swdata->w;
167  dst += rect->y/2 * ((swdata->w + 1) / 2) + rect->x/2;
168  length = (rect->w + 1) / 2;
169  for (row = 0; row < (rect->h + 1)/2; ++row) {
170  SDL_memcpy(dst, src, length);
171  src += (pitch + 1)/2;
172  dst += (swdata->w + 1)/2;
173  }
174 
175  /* Copy the next plane */
176  src = (Uint8 *) pixels + rect->h * pitch + ((rect->h + 1) / 2) * ((pitch + 1) / 2);
177  dst = swdata->pixels + swdata->h * swdata->w +
178  ((swdata->h + 1)/2) * ((swdata->w+1) / 2);
179  dst += rect->y/2 * ((swdata->w + 1)/2) + rect->x/2;
180  length = (rect->w + 1) / 2;
181  for (row = 0; row < (rect->h + 1)/2; ++row) {
182  SDL_memcpy(dst, src, length);
183  src += (pitch + 1)/2;
184  dst += (swdata->w + 1)/2;
185  }
186  }
187  break;
191  {
192  Uint8 *src, *dst;
193  int row;
194  size_t length;
195 
196  src = (Uint8 *) pixels;
197  dst =
198  swdata->planes[0] + rect->y * swdata->pitches[0] +
199  rect->x * 2;
200  length = 4 * ((rect->w + 1) / 2);
201  for (row = 0; row < rect->h; ++row) {
202  SDL_memcpy(dst, src, length);
203  src += pitch;
204  dst += swdata->pitches[0];
205  }
206  }
207  break;
210  {
211  if (rect->x == 0 && rect->y == 0 && rect->w == swdata->w && rect->h == swdata->h) {
212  SDL_memcpy(swdata->pixels, pixels,
213  (swdata->h * swdata->w) + 2* ((swdata->h + 1) /2) * ((swdata->w + 1) / 2));
214  } else {
215 
216  Uint8 *src, *dst;
217  int row;
218  size_t length;
219 
220  /* Copy the Y plane */
221  src = (Uint8 *) pixels;
222  dst = swdata->pixels + rect->y * swdata->w + rect->x;
223  length = rect->w;
224  for (row = 0; row < rect->h; ++row) {
225  SDL_memcpy(dst, src, length);
226  src += pitch;
227  dst += swdata->w;
228  }
229 
230  /* Copy the next plane */
231  src = (Uint8 *) pixels + rect->h * pitch;
232  dst = swdata->pixels + swdata->h * swdata->w;
233  dst += 2 * ((rect->y + 1)/2) * ((swdata->w + 1) / 2) + 2 * (rect->x/2);
234  length = 2 * ((rect->w + 1) / 2);
235  for (row = 0; row < (rect->h + 1)/2; ++row) {
236  SDL_memcpy(dst, src, length);
237  src += 2 * ((pitch + 1)/2);
238  dst += 2 * ((swdata->w + 1)/2);
239  }
240  }
241  }
242  }
243  return 0;
244 }
GLenum GLenum dst
GLenum src
#define SDL_memcpy
uint8_t Uint8
Definition: SDL_stdinc.h:179
int x
Definition: SDL_rect.h:66
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
int w
Definition: SDL_rect.h:67
Uint8 * planes[3]
Definition: SDL_yuv_sw_c.h:40
Uint16 pitches[3]
Definition: SDL_yuv_sw_c.h:39
int h
Definition: SDL_rect.h:67
GLuint GLsizei GLsizei * length
GLenum GLenum void * row
int y
Definition: SDL_rect.h:66

◆ SDL_SW_UpdateYUVTexturePlanar()

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 at line 247 of file SDL_yuv_sw.c.

References SDL_SW_YUVTexture::format, SDL_SW_YUVTexture::h, SDL_Rect::h, SDL_SW_YUVTexture::pixels, SDL_memcpy, SDL_PIXELFORMAT_IYUV, SDL_PIXELFORMAT_YV12, SDL_SW_YUVTexture::w, SDL_Rect::w, SDL_Rect::x, and SDL_Rect::y.

Referenced by SDL_UpdateTextureYUVPlanar().

251 {
252  const Uint8 *src;
253  Uint8 *dst;
254  int row;
255  size_t length;
256 
257  /* Copy the Y plane */
258  src = Yplane;
259  dst = swdata->pixels + rect->y * swdata->w + rect->x;
260  length = rect->w;
261  for (row = 0; row < rect->h; ++row) {
262  SDL_memcpy(dst, src, length);
263  src += Ypitch;
264  dst += swdata->w;
265  }
266 
267  /* Copy the U plane */
268  src = Uplane;
269  if (swdata->format == SDL_PIXELFORMAT_IYUV) {
270  dst = swdata->pixels + swdata->h * swdata->w;
271  } else {
272  dst = swdata->pixels + swdata->h * swdata->w +
273  ((swdata->h + 1) / 2) * ((swdata->w + 1) / 2);
274  }
275  dst += rect->y/2 * ((swdata->w + 1)/2) + rect->x/2;
276  length = (rect->w + 1) / 2;
277  for (row = 0; row < (rect->h + 1)/2; ++row) {
278  SDL_memcpy(dst, src, length);
279  src += Upitch;
280  dst += (swdata->w + 1)/2;
281  }
282 
283  /* Copy the V plane */
284  src = Vplane;
285  if (swdata->format == SDL_PIXELFORMAT_YV12) {
286  dst = swdata->pixels + swdata->h * swdata->w;
287  } else {
288  dst = swdata->pixels + swdata->h * swdata->w +
289  ((swdata->h + 1) / 2) * ((swdata->w + 1) / 2);
290  }
291  dst += rect->y/2 * ((swdata->w + 1)/2) + rect->x/2;
292  length = (rect->w + 1) / 2;
293  for (row = 0; row < (rect->h + 1)/2; ++row) {
294  SDL_memcpy(dst, src, length);
295  src += Vpitch;
296  dst += (swdata->w + 1)/2;
297  }
298  return 0;
299 }
GLenum GLenum dst
GLenum src
#define SDL_memcpy
uint8_t Uint8
Definition: SDL_stdinc.h:179
int x
Definition: SDL_rect.h:66
int w
Definition: SDL_rect.h:67
int h
Definition: SDL_rect.h:67
GLuint GLsizei GLsizei * length
GLenum GLenum void * row
int y
Definition: SDL_rect.h:66