SDL/src/SDL_internal.h at SDL3_win9x · nmlgc/SDL

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

Simple DirectMedia Layer

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, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not

claim that you wrote the original software. If you use this software

in a product, an acknowledgment in the product documentation would be

appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be

misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

#ifndef SDL_internal_h_

#define SDL_internal_h_

// Many of SDL's features require _GNU_SOURCE on various platforms

#ifndef _GNU_SOURCE

#define _GNU_SOURCE

#endif

// Need this so Linux systems define fseek64o, ftell64o and off64_t

#ifndef _LARGEFILE64_SOURCE

#define _LARGEFILE64_SOURCE 1

#endif

/* This is for a variable-length array at the end of a struct:

struct x { int y; char z[SDL_VARIABLE_LENGTH_ARRAY]; };

Use this because GCC 2 needs different magic than other compilers. */

#if (defined(__GNUC__) && (__GNUC__ <= 2)) || defined(__CC_ARM) || defined(__cplusplus)

#define SDL_VARIABLE_LENGTH_ARRAY 1

#else

#define SDL_VARIABLE_LENGTH_ARRAY

#endif

#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))) || defined(__clang__)

#define HAVE_GCC_DIAGNOSTIC_PRAGMA 1

#endif

#ifdef _MSC_VER // We use constant comparison for generated code

#pragma warning(disable : 6326)

#endif

#ifdef _MSC_VER // SDL_MAX_SMALL_ALLOC_STACKSIZE is smaller than _ALLOCA_S_THRESHOLD and should be generally safe

#pragma warning(disable : 6255)

#endif

#define SDL_MAX_SMALL_ALLOC_STACKSIZE 128

#define SDL_small_alloc(type, count, pisstack) ((*(pisstack) = ((sizeof(type) * (count)) < SDL_MAX_SMALL_ALLOC_STACKSIZE)), (*(pisstack) ? SDL_stack_alloc(type, count) : (type *)SDL_malloc(sizeof(type) * (count))))

#define SDL_small_free(ptr, isstack) \

if ((isstack)) { \

SDL_stack_free(ptr); \

} else { \

SDL_free(ptr); \

}

#include "SDL_build_config.h"

#include "dynapi/SDL_dynapi.h"

#if SDL_DYNAMIC_API

#include "dynapi/SDL_dynapi_overrides.h"

/* force SDL_DECLSPEC off...it's all internal symbols now.

These will have actual #defines during SDL_dynapi.c only */

#ifdef SDL_DECLSPEC

#undef SDL_DECLSPEC

#endif

#define SDL_DECLSPEC

#endif

#ifdef SDL_PLATFORM_APPLE

#ifndef _DARWIN_C_SOURCE

#define _DARWIN_C_SOURCE 1 // for memset_pattern4()

#endif

#include <Availability.h>

#ifndef __IPHONE_OS_VERSION_MAX_ALLOWED

#define __IPHONE_OS_VERSION_MAX_ALLOWED 0

#endif

#ifndef __APPLETV_OS_VERSION_MAX_ALLOWED

#define __APPLETV_OS_VERSION_MAX_ALLOWED 0

#endif

#ifndef __MAC_OS_X_VERSION_MAX_ALLOWED

#define __MAC_OS_X_VERSION_MAX_ALLOWED 0

#endif

#endif // SDL_PLATFORM_APPLE

#ifdef HAVE_SYS_TYPES_H

#include <sys/types.h>

#endif

#ifdef HAVE_STDIO_H

#include <stdio.h>

#endif

#ifdef HAVE_STDLIB_H

#include <stdlib.h>

#elif defined(HAVE_MALLOC_H)

#include <malloc.h>

#endif

#ifdef HAVE_STDDEF_H

#include <stddef.h>

#endif

#ifdef HAVE_STDARG_H

#include <stdarg.h>

#endif

#ifdef HAVE_STRING_H

#ifdef HAVE_MEMORY_H

#include <memory.h>

#endif

#include <string.h>

#endif

#ifdef HAVE_STRINGS_H

#include <strings.h>

#endif

#ifdef HAVE_WCHAR_H

#include <wchar.h>

#endif

#ifdef HAVE_INTTYPES_H

#include <inttypes.h>

#elif defined(HAVE_STDINT_H)

#include <stdint.h>

#endif

#ifdef HAVE_MATH_H

#include <math.h>

#endif

#ifdef HAVE_FLOAT_H

#include <float.h>

#endif

// If you run into a warning that O_CLOEXEC is redefined, update the SDL configuration header for your platform to add HAVE_O_CLOEXEC

#ifndef HAVE_O_CLOEXEC

#define O_CLOEXEC 0

#endif

/* A few #defines to reduce SDL footprint.

Only effective when library is statically linked. */

/* Optimized functions from 'SDL_blit_0.c'

- blit with source bits_per_pixel < 8, palette */

#if !defined(SDL_HAVE_BLIT_0) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_BLIT_0 1

#endif

/* Optimized functions from 'SDL_blit_1.c'

- blit with source bytes_per_pixel == 1, palette */

#if !defined(SDL_HAVE_BLIT_1) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_BLIT_1 1

#endif

/* Optimized functions from 'SDL_blit_A.c'

- blit with 'SDL_BLENDMODE_BLEND' blending mode */

#if !defined(SDL_HAVE_BLIT_A) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_BLIT_A 1

#endif

/* Optimized functions from 'SDL_blit_N.c'

- blit with COLORKEY mode, or nothing */

#if !defined(SDL_HAVE_BLIT_N) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_BLIT_N 1

#endif

/* Optimized functions from 'SDL_blit_N.c'

- RGB565 conversion with Lookup tables */

#if !defined(SDL_HAVE_BLIT_N_RGB565) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_BLIT_N_RGB565 1

#endif

/* Optimized functions from 'SDL_blit_AUTO.c'

- blit with modulate color, modulate alpha, any blending mode

- scaling or not */

#if !defined(SDL_HAVE_BLIT_AUTO) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_BLIT_AUTO 1

#endif

/* Run-Length-Encoding

- SDL_SetSurfaceColorKey() called with SDL_RLEACCEL flag */

#if !defined(SDL_HAVE_RLE) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_RLE 1

#endif

/* Software SDL_Renderer

- creation of software renderer

- *not* general blitting functions

- {blend,draw}{fillrect,line,point} internal functions */

#if !defined(SDL_VIDEO_RENDER_SW) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_VIDEO_RENDER_SW 1

#endif

/* YUV formats

- handling of YUV surfaces

- blitting and conversion functions */

#if !defined(SDL_HAVE_YUV) && !defined(SDL_LEAN_AND_MEAN)

#define SDL_HAVE_YUV 1

#endif

#ifdef SDL_CAMERA_DISABLED

#undef SDL_CAMERA_DRIVER_ANDROID

#undef SDL_CAMERA_DRIVER_COREMEDIA

#undef SDL_CAMERA_DRIVER_DUMMY

#undef SDL_CAMERA_DRIVER_EMSCRIPTEN

#undef SDL_CAMERA_DRIVER_MEDIAFOUNDATION

#undef SDL_CAMERA_DRIVER_PIPEWIRE

#undef SDL_CAMERA_DRIVER_V4L2

#undef SDL_CAMERA_DRIVER_VITA

#endif

#ifdef SDL_RENDER_DISABLED

#undef SDL_VIDEO_RENDER_SW

#undef SDL_VIDEO_RENDER_D3D

#undef SDL_VIDEO_RENDER_D3D11

#undef SDL_VIDEO_RENDER_D3D12

#undef SDL_VIDEO_RENDER_GPU

#undef SDL_VIDEO_RENDER_METAL

#undef SDL_VIDEO_RENDER_OGL

#undef SDL_VIDEO_RENDER_OGL_ES2

#undef SDL_VIDEO_RENDER_PS2

#undef SDL_VIDEO_RENDER_PSP

#undef SDL_VIDEO_RENDER_VITA_GXM

#undef SDL_VIDEO_RENDER_VULKAN

#endif // SDL_RENDER_DISABLED

#ifdef SDL_GPU_DISABLED

#undef SDL_GPU_D3D12

#undef SDL_GPU_METAL

#undef SDL_GPU_VULKAN

#undef HAVE_GPU_OPENXR

#undef SDL_VIDEO_RENDER_GPU

#endif // SDL_GPU_DISABLED

#if !defined(HAVE_LIBC)

// If not using _any_ C runtime, these have to be defined before SDL_thread.h

// gets included, so internal SDL_CreateThread calls will not try to reference

// the (unavailable and unneeded) _beginthreadex/_endthreadex functions.

#define SDL_BeginThreadFunction NULL

#define SDL_EndThreadFunction NULL

#endif

#ifdef SDL_NOLONGLONG

#error We cannot build a valid SDL3 library without long long support

#endif

/* Enable internal definitions in SDL API headers */

#define SDL_INTERNAL

#include <SDL3/SDL.h>

#include <SDL3/SDL_intrin.h>

#define SDL_MAIN_NOIMPL // don't drag in header-only implementation of SDL_main

#include <SDL3/SDL_main.h>

// Set up for C function definitions, even when using C++

#ifdef __cplusplus

extern "C" {

#endif

#include "SDL_utils_c.h"

#include "SDL_hashtable.h"

/* SDL_ExitProcess is not declared in any public header, although

it is shared between some parts of SDL, because we don't want

anything calling it without an extremely good reason. */

extern SDL_NORETURN void SDL_ExitProcess(int exitcode);

// Get just the process's binary name, no path. NULL if it doesn't make sense for a platform.

// Can be something not a file, like a package ID on Android. Meant to be human-readable, not appended to a path, etc.

// Calculates and caches the string on first call. String lives until SDL_Quit(). This is not a public API right now!

extern const char *SDL_GetExeName(void);

#ifdef HAVE_LIBC

#define SDL_abort() abort()

#else

#define SDL_abort() do { \

SDL_TriggerBreakpoint(); \

SDL_ExitProcess(42); \

} while (0)

#endif

// Macros to save and restore error values

#define SDL_PushError() do { \

char *saved_error = SDL_strdup(SDL_GetError())

#define SDL_PopError() \

if (saved_error) { \

SDL_SetError("%s", saved_error); \

SDL_free(saved_error); \

} \

} while (0)

#if defined(SDL_DISABLE_INVALID_PARAMS)

#ifdef DEBUG

// If you define SDL_DISABLE_INVALID_PARAMS, you're promising that you'll

// never pass an invalid parameter to SDL, since it may crash or lead to

// hard to diagnose bugs. Let's assert that this is true in debug builds.

#define OBJECT_VALIDATION_REQUIRED

#define CHECK_PARAM(invalid) SDL_assert_always(!(invalid)); if (false)

#else

#define CHECK_PARAM(invalid) if (false)

#endif

#elif defined(SDL_ASSERT_INVALID_PARAMS)

#define OBJECT_VALIDATION_REQUIRED

#define CHECK_PARAM(invalid) SDL_assert_always(!(invalid)); if (invalid)

#else

#define CHECK_PARAM(invalid) if (invalid)

#endif

// Do any initialization that needs to happen before threads are started

extern void SDL_InitMainThread(void);

// Return true if this thread has initialized video

extern bool SDL_IsVideoThread(void);

/* The internal implementations of these functions have up to nanosecond precision.

We can expose these functions as part of the API if we want to later.

extern bool SDLCALL SDL_WaitSemaphoreTimeoutNS(SDL_Semaphore *sem, Sint64 timeoutNS);

extern bool SDLCALL SDL_WaitConditionTimeoutNS(SDL_Condition *cond, SDL_Mutex *mutex, Sint64 timeoutNS);

extern bool SDLCALL SDL_WaitEventTimeoutNS(SDL_Event *event, Sint64 timeoutNS);

// Ends C function definitions when using C++

#ifdef __cplusplus

}

#endif

#endif // SDL_internal_h_

FilesExpand file tree

SDL_internal.h

Latest commit

History

SDL_internal.h

File metadata and controls