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Improve context function error descriptions

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Fixes #1193.
This commit is contained in:
Camilla Löwy 2018-01-30 14:00:21 +01:00
parent a678665c49
commit ae53cd29ef
1 changed files with 11 additions and 6 deletions
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17
src/context.c
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@ -607,7 +607,8 @@ GLFWAPI void glfwMakeContextCurrent(GLFWwindow* handle)
if (window && window->context.client == GLFW_NO_API) if (window && window->context.client == GLFW_NO_API)
{ {
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); _glfwInputError(GLFW_NO_WINDOW_CONTEXT,
"Cannot make current with a window that has no OpenGL or OpenGL ES context");
return; return;
} }
@ -636,7 +637,8 @@ GLFWAPI void glfwSwapBuffers(GLFWwindow* handle)
if (window->context.client == GLFW_NO_API) if (window->context.client == GLFW_NO_API)
{ {
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); _glfwInputError(GLFW_NO_WINDOW_CONTEXT,
"Cannot swap buffers of a window that has no OpenGL or OpenGL ES context");
return; return;
} }
@ -652,7 +654,8 @@ GLFWAPI void glfwSwapInterval(int interval)
window = _glfwPlatformGetTls(&_glfw.contextSlot); window = _glfwPlatformGetTls(&_glfw.contextSlot);
if (!window) if (!window)
{ {
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL); _glfwInputError(GLFW_NO_CURRENT_CONTEXT,
"Cannot set swap interval without a current OpenGL or OpenGL ES context");
return; return;
} }
@ -669,13 +672,14 @@ GLFWAPI int glfwExtensionSupported(const char* extension)
window = _glfwPlatformGetTls(&_glfw.contextSlot); window = _glfwPlatformGetTls(&_glfw.contextSlot);
if (!window) if (!window)
{ {
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL); _glfwInputError(GLFW_NO_CURRENT_CONTEXT,
"Cannot query extension without a current OpenGL or OpenGL ES context");
return GLFW_FALSE; return GLFW_FALSE;
} }
if (*extension == '\0') if (*extension == '\0')
{ {
_glfwInputError(GLFW_INVALID_VALUE, "Extension name is empty string"); _glfwInputError(GLFW_INVALID_VALUE, "Extension name cannot be an empty string");
return GLFW_FALSE; return GLFW_FALSE;
} }
@ -734,7 +738,8 @@ GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname)
window = _glfwPlatformGetTls(&_glfw.contextSlot); window = _glfwPlatformGetTls(&_glfw.contextSlot);
if (!window) if (!window)
{ {
_glfwInputError(GLFW_NO_CURRENT_CONTEXT, NULL); _glfwInputError(GLFW_NO_CURRENT_CONTEXT,
"Cannot query entry point without a current OpenGL or OpenGL ES context");
return NULL; return NULL;
} }