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@@ -1529,24 +1529,33 @@ void rlglInit(int width, int height)
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const char **extList = RL_MALLOC(sizeof(const char *)*numExt);
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// Get extensions strings
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- for (int i = 0; i < numExt; i++) extList[i] = (char *)glGetStringi(GL_EXTENSIONS, i);
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+ for (int i = 0; i < numExt; i++) extList[i] = (const char *)glGetStringi(GL_EXTENSIONS, i);
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#elif defined(GRAPHICS_API_OPENGL_ES2)
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// Allocate 512 strings pointers (2 KB)
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const char **extList = RL_MALLOC(sizeof(const char *)*512);
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+
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+ const char *extensions = (const char *)glGetString(GL_EXTENSIONS); // One big const string
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+
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+ // NOTE: We have to duplicate string because glGetString() returns a const string
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+ int len = strlen(extensions) + 1;
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+ char *extensionsDup = (char *)RL_CALLOC(len, 1);
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+ strcpy(extensionsDup, extensions);
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- // Get extensions strings
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- char *extensions = (char *)glGetString(GL_EXTENSIONS); // One big static const string returned
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- int len = strlen(extensions);
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+ extList[numExt] = extensionsDup;
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for (int i = 0; i < len; i++)
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{
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- if (i == ' ')
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+ if (extensionsDup[i] == ' ')
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{
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- extList[numExt] = &extensions[i + 1];
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+ extensionsDup[i] = '\0';
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+
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numExt++;
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+ extList[numExt] = &extensionsDup[i + 1];
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}
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}
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+
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+ // NOTE: Duplicated string (extensionsDup) must be deallocated
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#endif
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TraceLog(LOG_INFO, "Number of supported extensions: %i", numExt);
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@@ -1622,6 +1631,8 @@ void rlglInit(int width, int height)
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RL_FREE(extList);
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#if defined(GRAPHICS_API_OPENGL_ES2)
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+ RL_FREE(extensionsDup); // Duplicated string must be deallocated
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+
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if (vaoSupported) TraceLog(LOG_INFO, "[EXTENSION] VAO extension detected, VAO functions initialized successfully");
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else TraceLog(LOG_WARNING, "[EXTENSION] VAO extension not found, VAO usage not supported");
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