mirror of
https://github.com/glfw/glfw.git
synced 2026-09-22 16:52:57 +00:00
Added client API window hint.
This is cherry-picked from the EGL branch in preparation for the EGL backend.
This commit is contained in:
Camilla Berglund
+110
-68
@@ -36,15 +36,17 @@
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//========================================================================
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// Parses the OpenGL version string and extracts the version number
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// Parses the client API version string and extracts the version number
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//========================================================================
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static GLboolean parseGLVersion(int* major, int* minor, int* rev)
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static GLboolean parseGLVersion(int* api, int* major, int* minor, int* rev)
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{
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int i, _major, _minor = 0, _rev = 0;
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int i, _api = GLFW_OPENGL_API, _major, _minor = 0, _rev = 0;
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const char* version;
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const char* prefixes[] =
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{
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"OpenGL ES-CM ",
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"OpenGL ES-CL ",
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"OpenGL ES ",
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NULL
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};
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@@ -63,6 +65,7 @@ static GLboolean parseGLVersion(int* major, int* minor, int* rev)
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if (strncmp(version, prefixes[i], length) == 0)
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{
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version += length;
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_api = GLFW_OPENGL_ES_API;
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break;
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}
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}
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@@ -73,6 +76,7 @@ static GLboolean parseGLVersion(int* major, int* minor, int* rev)
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return GL_FALSE;
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}
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*api = _api;
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*major = _major;
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*minor = _minor;
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*rev = _rev;
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@@ -249,83 +253,119 @@ const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
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GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig)
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{
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if (wndconfig->glMajor < 1 || wndconfig->glMinor < 0)
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if (wndconfig->clientAPI != GLFW_OPENGL_API &&
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wndconfig->clientAPI != GLFW_OPENGL_ES_API)
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{
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// OpenGL 1.0 is the smallest valid version
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL version requested");
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_glfwSetError(GLFW_INVALID_ENUM,
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"glfwCreateWindow: Invalid client API requested");
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return GL_FALSE;
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}
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if (wndconfig->glMajor == 1 && wndconfig->glMinor > 5)
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{
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// OpenGL 1.x series ended with version 1.5
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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else if (wndconfig->glMajor == 2 && wndconfig->glMinor > 1)
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{
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// OpenGL 2.x series ended with version 2.1
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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else if (wndconfig->glMajor == 3 && wndconfig->glMinor > 3)
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{
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// OpenGL 3.x series ended with version 3.3
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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else
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{
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// For now, let everything else through
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}
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if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE)
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if (wndconfig->clientAPI == GLFW_OPENGL_API)
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{
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if (wndconfig->glMajor != 2 || wndconfig->glMinor < 0)
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if (wndconfig->glMajor < 1 || wndconfig->glMinor < 0)
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{
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// The OpenGL ES 2.0 profile is currently only defined for version
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// 2.0 (see {WGL|GLX}_EXT_create_context_es2_profile), but for
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// compatibility with future updates to OpenGL ES, we allow
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// everything 2.x and let the driver report invalid 2.x versions
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// OpenGL 1.0 is the smallest valid version
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL ES 2.x version requested");
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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}
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else if (wndconfig->glProfile)
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{
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if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE &&
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wndconfig->glProfile != GLFW_OPENGL_COMPAT_PROFILE)
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if (wndconfig->glMajor == 1 && wndconfig->glMinor > 5)
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{
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_glfwSetError(GLFW_INVALID_ENUM,
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"glfwCreateWindow: Invalid OpenGL profile requested");
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return GL_FALSE;
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}
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if (wndconfig->glMajor < 3 ||
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(wndconfig->glMajor == 3 && wndconfig->glMinor < 2))
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{
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// Desktop OpenGL context profiles are only defined for version 3.2
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// and above
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// OpenGL 1.x series ended with version 1.5
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Context profiles only exist for "
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"OpenGL version 3.2 and above");
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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else if (wndconfig->glMajor == 2 && wndconfig->glMinor > 1)
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{
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// OpenGL 2.x series ended with version 2.1
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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else if (wndconfig->glMajor == 3 && wndconfig->glMinor > 3)
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{
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// OpenGL 3.x series ended with version 3.3
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL version requested");
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return GL_FALSE;
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}
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else
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{
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// For now, let everything else through
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}
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if (wndconfig->glProfile)
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{
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if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE &&
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wndconfig->glProfile != GLFW_OPENGL_COMPAT_PROFILE)
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{
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_glfwSetError(GLFW_INVALID_ENUM,
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"glfwCreateWindow: Invalid OpenGL profile requested");
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return GL_FALSE;
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}
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if (wndconfig->glMajor < 3 ||
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(wndconfig->glMajor == 3 && wndconfig->glMinor < 2))
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{
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// Desktop OpenGL context profiles are only defined for version 3.2
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// and above
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Context profiles only exist for "
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"OpenGL version 3.2 and above");
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return GL_FALSE;
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}
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}
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if (wndconfig->glForward && wndconfig->glMajor < 3)
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{
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// Forward-compatible contexts are only defined for OpenGL version 3.0 and above
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Forward compatibility only exist "
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"for OpenGL version 3.0 and above");
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return GL_FALSE;
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}
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}
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if (wndconfig->glForward && wndconfig->glMajor < 3)
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else if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
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{
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// Forward-compatible contexts are only defined for OpenGL version 3.0 and above
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Forward compatibility only exist for "
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"OpenGL version 3.0 and above");
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return GL_FALSE;
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if (wndconfig->glMajor < 1 || wndconfig->glMinor < 0)
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{
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// OpenGL ES 1.0 is the smallest valid version
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL ES version requested");
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return GL_FALSE;
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}
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if (wndconfig->glMajor == 1 && wndconfig->glMinor > 1)
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{
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// OpenGL ES 1.x series ended with version 1.1
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL ES version requested");
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return GL_FALSE;
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}
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else
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{
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// For now, let everything else through
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}
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if (wndconfig->glProfile)
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{
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// OpenGL ES does not support profiles
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Context profiles are not supported "
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"by OpenGL ES");
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return GL_FALSE;
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}
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if (wndconfig->glForward)
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{
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// OpenGL ES does not support forward-compatibility
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Forward compatibility is not "
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"supported by OpenGL ES");
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return GL_FALSE;
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}
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}
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if (wndconfig->glRobustness)
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@@ -334,7 +374,8 @@ GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig)
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wndconfig->glRobustness != GLFW_OPENGL_LOSE_CONTEXT_ON_RESET)
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{
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_glfwSetError(GLFW_INVALID_VALUE,
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"glfwCreateWindow: Invalid OpenGL robustness mode requested");
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"glfwCreateWindow: Invalid OpenGL robustness mode "
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"requested");
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return GL_FALSE;
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}
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}
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@@ -352,7 +393,8 @@ GLboolean _glfwRefreshContextParams(void)
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{
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_GLFWwindow* window = _glfwPlatformGetCurrentContext();
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if (!parseGLVersion(&window->glMajor,
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if (!parseGLVersion(&window->clientAPI,
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&window->glMajor,
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&window->glMinor,
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&window->glRevision))
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{
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@@ -378,7 +420,7 @@ GLboolean _glfwRefreshContextParams(void)
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{
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window->glForward = GL_FALSE;
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if (window->glMajor >= 3)
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if (window->clientAPI == GLFW_OPENGL_API && window->glMajor >= 3)
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{
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GLint flags;
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glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
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