pandory500/SDL-mirror
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Fixed ISO C99 compatibility

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SDL now builds with gcc 7.2 with the following command line options:
-Wall -pedantic-errors -Wno-deprecated-declarations -Wno-overlength-strings --std=c99
This commit is contained in:
Sam Lantinga 2018-01-30 18:08:34 -08:00
parent e4556dc802
commit e9a1c0c9d0
40 changed files with 176 additions and 196 deletions
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31
src/render/opengl/SDL_render_gl.c
View file

@ -260,10 +260,8 @@ GL_CheckAllErrors (const char *prefix, SDL_Renderer *renderer, const char *file,
#if 0
#define GL_CheckError(prefix, renderer)
#elif defined(_MSC_VER) || defined(__WATCOMC__)
#define GL_CheckError(prefix, renderer) GL_CheckAllErrors(prefix, renderer, __FILE__, __LINE__, __FUNCTION__)
#else
#define GL_CheckError(prefix, renderer) GL_CheckAllErrors(prefix, renderer, __FILE__, __LINE__, __PRETTY_FUNCTION__)
#define GL_CheckError(prefix, renderer) GL_CheckAllErrors(prefix, renderer, SDL_FILE, SDL_LINE, SDL_FUNCTION)
#endif
static int
@ -274,7 +272,7 @@ GL_LoadFunctions(GL_RenderData * data)
#else
#define SDL_PROC(ret,func,params) \
do { \
data->func = SDL_GL_GetProcAddress(#func); \
*(void **)&data->func = SDL_GL_GetProcAddress(#func); \
if ( ! data->func ) { \
return SDL_SetError("Couldn't load GL function %s: %s", #func, SDL_GetError()); \
} \
@ -492,7 +490,9 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
data->debug_enabled = SDL_TRUE;
}
if (data->debug_enabled && SDL_GL_ExtensionSupported("GL_ARB_debug_output")) {
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC) SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc;
*(void **)&glDebugMessageCallbackARBFunc = SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
data->GL_ARB_debug_output_supported = SDL_TRUE;
data->glGetPointerv(GL_DEBUG_CALLBACK_FUNCTION_ARB, (GLvoid **)(char *)&data->next_error_callback);
@ -521,7 +521,7 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
/* Check for multitexture support */
if (SDL_GL_ExtensionSupported("GL_ARB_multitexture")) {
data->glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) SDL_GL_GetProcAddress("glActiveTextureARB");
*(void **)&data->glActiveTextureARB = SDL_GL_GetProcAddress("glActiveTextureARB");
if (data->glActiveTextureARB) {
data->GL_ARB_multitexture_supported = SDL_TRUE;
data->glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &data->num_texture_units);
@ -549,16 +549,11 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
if (SDL_GL_ExtensionSupported("GL_EXT_framebuffer_object")) {
data->GL_EXT_framebuffer_object_supported = SDL_TRUE;
data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)
SDL_GL_GetProcAddress("glGenFramebuffersEXT");
data->glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)
SDL_GL_GetProcAddress("glDeleteFramebuffersEXT");
data->glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)
SDL_GL_GetProcAddress("glFramebufferTexture2DEXT");
data->glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)
SDL_GL_GetProcAddress("glBindFramebufferEXT");
data->glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)
SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
*(void**)&data->glGenFramebuffersEXT = SDL_GL_GetProcAddress("glGenFramebuffersEXT");
*(void**)&data->glDeleteFramebuffersEXT = SDL_GL_GetProcAddress("glDeleteFramebuffersEXT");
*(void**)&data->glFramebufferTexture2DEXT = SDL_GL_GetProcAddress("glFramebufferTexture2DEXT");
*(void**)&data->glBindFramebufferEXT = SDL_GL_GetProcAddress("glBindFramebufferEXT");
*(void**)&data->glCheckFramebufferStatusEXT = SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
}
data->framebuffers = NULL;
@ -1615,7 +1610,9 @@ GL_DestroyRenderer(SDL_Renderer * renderer)
GL_ClearErrors(renderer);
if (data->GL_ARB_debug_output_supported) {
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC) SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc;
*(void **)&glDebugMessageCallbackARBFunc = SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
/* Uh oh, we don't have a safe way of removing ourselves from the callback chain, if it changed after we set our callback. */
/* For now, just always replace the callback with the original one */

28
src/render/opengl/SDL_shaders_gl.c
View file

@ -453,20 +453,20 @@ GL_CreateShaderContext(void)
SDL_GL_ExtensionSupported("GL_ARB_shading_language_100") &&
SDL_GL_ExtensionSupported("GL_ARB_vertex_shader") &&
SDL_GL_ExtensionSupported("GL_ARB_fragment_shader")) {
ctx->glGetError = (GLenum (*)(void)) SDL_GL_GetProcAddress("glGetError");
ctx->glAttachObjectARB = (PFNGLATTACHOBJECTARBPROC) SDL_GL_GetProcAddress("glAttachObjectARB");
ctx->glCompileShaderARB = (PFNGLCOMPILESHADERARBPROC) SDL_GL_GetProcAddress("glCompileShaderARB");
ctx->glCreateProgramObjectARB = (PFNGLCREATEPROGRAMOBJECTARBPROC) SDL_GL_GetProcAddress("glCreateProgramObjectARB");
ctx->glCreateShaderObjectARB = (PFNGLCREATESHADEROBJECTARBPROC) SDL_GL_GetProcAddress("glCreateShaderObjectARB");
ctx->glDeleteObjectARB = (PFNGLDELETEOBJECTARBPROC) SDL_GL_GetProcAddress("glDeleteObjectARB");
ctx->glGetInfoLogARB = (PFNGLGETINFOLOGARBPROC) SDL_GL_GetProcAddress("glGetInfoLogARB");
ctx->glGetObjectParameterivARB = (PFNGLGETOBJECTPARAMETERIVARBPROC) SDL_GL_GetProcAddress("glGetObjectParameterivARB");
ctx->glGetUniformLocationARB = (PFNGLGETUNIFORMLOCATIONARBPROC) SDL_GL_GetProcAddress("glGetUniformLocationARB");
ctx->glLinkProgramARB = (PFNGLLINKPROGRAMARBPROC) SDL_GL_GetProcAddress("glLinkProgramARB");
ctx->glShaderSourceARB = (PFNGLSHADERSOURCEARBPROC) SDL_GL_GetProcAddress("glShaderSourceARB");
ctx->glUniform1iARB = (PFNGLUNIFORM1IARBPROC) SDL_GL_GetProcAddress("glUniform1iARB");
ctx->glUniform1fARB = (PFNGLUNIFORM1FARBPROC) SDL_GL_GetProcAddress("glUniform1fARB");
ctx->glUseProgramObjectARB = (PFNGLUSEPROGRAMOBJECTARBPROC) SDL_GL_GetProcAddress("glUseProgramObjectARB");
*(void**)&ctx->glGetError = SDL_GL_GetProcAddress("glGetError");
*(void **)&ctx->glAttachObjectARB = SDL_GL_GetProcAddress("glAttachObjectARB");
*(void **)&ctx->glCompileShaderARB = SDL_GL_GetProcAddress("glCompileShaderARB");
*(void **)&ctx->glCreateProgramObjectARB = SDL_GL_GetProcAddress("glCreateProgramObjectARB");
*(void **)&ctx->glCreateShaderObjectARB = SDL_GL_GetProcAddress("glCreateShaderObjectARB");
*(void **)&ctx->glDeleteObjectARB = SDL_GL_GetProcAddress("glDeleteObjectARB");
*(void **)&ctx->glGetInfoLogARB = SDL_GL_GetProcAddress("glGetInfoLogARB");
*(void **)&ctx->glGetObjectParameterivARB = SDL_GL_GetProcAddress("glGetObjectParameterivARB");
*(void **)&ctx->glGetUniformLocationARB = SDL_GL_GetProcAddress("glGetUniformLocationARB");
*(void **)&ctx->glLinkProgramARB = SDL_GL_GetProcAddress("glLinkProgramARB");
*(void **)&ctx->glShaderSourceARB = SDL_GL_GetProcAddress("glShaderSourceARB");
*(void **)&ctx->glUniform1iARB = SDL_GL_GetProcAddress("glUniform1iARB");
*(void **)&ctx->glUniform1fARB = SDL_GL_GetProcAddress("glUniform1fARB");
*(void **)&ctx->glUseProgramObjectARB = SDL_GL_GetProcAddress("glUseProgramObjectARB");
if (ctx->glGetError &&
ctx->glAttachObjectARB &&
ctx->glCompileShaderARB &&