mirror of
https://github.com/kovidgoyal/kitty.git
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685 lines
23 KiB
C
Vendored
685 lines
23 KiB
C
Vendored
//========================================================================
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// GLFW 3.4 GLX - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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// It is fine to use C99 in this file because it will not be built with VS
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//========================================================================
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#include "internal.h"
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#ifndef GLXBadProfileARB
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#define GLXBadProfileARB 13
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#endif
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// Returns the specified attribute of the specified GLXFBConfig
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//
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static int getGLXFBConfigAttrib(GLXFBConfig fbconfig, int attrib)
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{
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int value;
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glXGetFBConfigAttrib(_glfw.x11.display, fbconfig, attrib, &value);
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return value;
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}
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static GLXFBConfig*
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choose_fb_config(const _GLFWfbconfig* desired, bool trust_window_bit, int *nelements, bool use_best_color_depth) {
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int attrib_list[64];
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int pos = 0;
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#define ATTR(x, y) { attrib_list[pos++] = x; attrib_list[pos++] = y; }
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ATTR(GLX_DOUBLEBUFFER, desired->doublebuffer ? True : False);
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if (desired->stereo > 0) ATTR(GLX_STEREO, desired->stereo ? True : False);
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if (desired->auxBuffers > 0) ATTR(GLX_AUX_BUFFERS, desired->auxBuffers);
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if (_glfw.glx.ARB_multisample && desired->samples > 0) ATTR(GLX_SAMPLES, desired->samples);
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if (desired->depthBits != GLFW_DONT_CARE) ATTR(GLX_DEPTH_SIZE, desired->depthBits);
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if (desired->stencilBits != GLFW_DONT_CARE) ATTR(GLX_STENCIL_SIZE, desired->stencilBits);
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if (use_best_color_depth) {
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// we just ask for the highest available R+G+B+A color depth. This hopefully
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// works with 10bit (r=10, g=10, b=19, a=2) visuals
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ATTR(GLX_RED_SIZE, 1); ATTR(GLX_GREEN_SIZE, 1); ATTR(GLX_BLUE_SIZE, 1); ATTR(GLX_ALPHA_SIZE, 1);
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} else {
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if (desired->redBits != GLFW_DONT_CARE) ATTR(GLX_RED_SIZE, desired->redBits);
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if (desired->greenBits != GLFW_DONT_CARE) ATTR(GLX_GREEN_SIZE, desired->greenBits);
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if (desired->blueBits != GLFW_DONT_CARE) ATTR(GLX_BLUE_SIZE, desired->blueBits);
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if (desired->alphaBits != GLFW_DONT_CARE) ATTR(GLX_ALPHA_SIZE, desired->alphaBits);
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}
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if (desired->accumRedBits != GLFW_DONT_CARE) ATTR(GLX_ACCUM_RED_SIZE, desired->accumRedBits);
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if (desired->accumGreenBits != GLFW_DONT_CARE) ATTR(GLX_ACCUM_GREEN_SIZE, desired->accumGreenBits);
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if (desired->accumBlueBits != GLFW_DONT_CARE) ATTR(GLX_ACCUM_BLUE_SIZE, desired->accumBlueBits);
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if (desired->accumAlphaBits != GLFW_DONT_CARE) ATTR(GLX_ACCUM_ALPHA_SIZE, desired->accumAlphaBits);
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if (!trust_window_bit) ATTR(GLX_DRAWABLE_TYPE, 0);
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ATTR(None, None);
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return glXChooseFBConfig(_glfw.x11.display, _glfw.x11.screen, attrib_list, nelements);
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#undef ATTR
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}
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// Return the GLXFBConfig most closely matching the specified hints
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//
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static bool chooseGLXFBConfig(const _GLFWfbconfig* desired,
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GLXFBConfig* result)
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{
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GLXFBConfig* nativeConfigs;
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int i, nativeCount, ans_idx = 0;
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const char* vendor;
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bool trustWindowBit = true;
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static _GLFWfbconfig prev_desired = {0};
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static GLXFBConfig prev_result = 0;
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if (prev_result != 0 && memcmp(&prev_desired, desired, sizeof(_GLFWfbconfig)) == 0) {
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*result = prev_result;
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return true;
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}
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prev_desired = *desired;
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// HACK: This is a (hopefully temporary) workaround for Chromium
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// (VirtualBox GL) not setting the window bit on any GLXFBConfigs
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vendor = glXGetClientString(_glfw.x11.display, GLX_VENDOR);
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if (vendor && strcmp(vendor, "Chromium") == 0)
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trustWindowBit = false;
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nativeConfigs = choose_fb_config(desired, trustWindowBit, &nativeCount, false);
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if (!nativeConfigs || !nativeCount)
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{
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nativeConfigs = choose_fb_config(desired, trustWindowBit, &nativeCount, true);
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if (!nativeConfigs || !nativeCount) {
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_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: No GLXFBConfigs returned");
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return false;
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}
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}
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for (i = 0; i < nativeCount; i++)
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{
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const GLXFBConfig n = nativeConfigs[i];
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bool transparency_matches = true, srgb_matches = true;
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if (desired->transparent) {
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transparency_matches = false;
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XVisualInfo* vi = glXGetVisualFromFBConfig(_glfw.x11.display, n);
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if (vi && _glfwIsVisualTransparentX11(vi->visual)) transparency_matches = true;
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}
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if (desired->sRGB && (_glfw.glx.ARB_framebuffer_sRGB || _glfw.glx.EXT_framebuffer_sRGB)) {
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srgb_matches = getGLXFBConfigAttrib(n, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB) ? true : false;
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}
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if (transparency_matches && srgb_matches) {
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ans_idx = i; break;
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}
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}
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*result = nativeConfigs[ans_idx];
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prev_result = nativeConfigs[ans_idx];
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XFree(nativeConfigs);
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return true;
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}
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// Create the OpenGL context using legacy API
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//
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static GLXContext createLegacyContextGLX(_GLFWwindow* window UNUSED,
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GLXFBConfig fbconfig,
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GLXContext share)
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{
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return glXCreateNewContext(_glfw.x11.display,
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fbconfig,
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GLX_RGBA_TYPE,
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share,
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True);
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}
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static void makeContextCurrentGLX(_GLFWwindow* window)
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{
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if (window)
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{
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if (!glXMakeCurrent(_glfw.x11.display,
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window->context.glx.window,
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window->context.glx.handle))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"GLX: Failed to make context current");
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return;
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}
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}
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else
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{
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if (!glXMakeCurrent(_glfw.x11.display, None, NULL))
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"GLX: Failed to clear current context");
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return;
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}
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}
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_glfwPlatformSetTls(&_glfw.contextSlot, window);
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}
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static void swapBuffersGLX(_GLFWwindow* window)
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{
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glXSwapBuffers(_glfw.x11.display, window->context.glx.window);
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}
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static void swapIntervalGLX(int interval)
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{
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_GLFWwindow* window = _glfwPlatformGetTls(&_glfw.contextSlot);
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if (_glfw.glx.EXT_swap_control)
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{
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_glfw.glx.SwapIntervalEXT(_glfw.x11.display,
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window->context.glx.window,
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interval);
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}
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else if (_glfw.glx.MESA_swap_control)
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_glfw.glx.SwapIntervalMESA(interval);
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else if (_glfw.glx.SGI_swap_control)
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{
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if (interval > 0)
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_glfw.glx.SwapIntervalSGI(interval);
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}
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}
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static int extensionSupportedGLX(const char* extension)
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{
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const char* extensions =
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glXQueryExtensionsString(_glfw.x11.display, _glfw.x11.screen);
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if (extensions)
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{
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if (_glfwStringInExtensionString(extension, extensions))
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return true;
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}
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return false;
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}
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static GLFWglproc getProcAddressGLX(const char* procname)
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{
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if (_glfw.glx.GetProcAddress)
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return _glfw.glx.GetProcAddress((const GLubyte*) procname);
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else if (_glfw.glx.GetProcAddressARB)
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return _glfw.glx.GetProcAddressARB((const GLubyte*) procname);
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else {
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GLFWglproc ans = NULL;
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glfw_dlsym(ans, _glfw.glx.handle, procname);
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return ans;
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}
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}
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static void destroyContextGLX(_GLFWwindow* window)
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{
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if (window->context.glx.window)
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{
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glXDestroyWindow(_glfw.x11.display, window->context.glx.window);
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window->context.glx.window = None;
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}
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if (window->context.glx.handle)
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{
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glXDestroyContext(_glfw.x11.display, window->context.glx.handle);
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window->context.glx.handle = NULL;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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// Initialize GLX
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//
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bool _glfwInitGLX(void)
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{
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int i;
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const char* sonames[] =
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{
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#if defined(_GLFW_GLX_LIBRARY)
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_GLFW_GLX_LIBRARY,
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#elif defined(__CYGWIN__)
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"libGL-1.so",
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#else
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"libGL.so.1",
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"libGL.so",
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#endif
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NULL
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};
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if (_glfw.glx.handle)
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return true;
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for (i = 0; sonames[i]; i++)
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{
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_glfw.glx.handle = _glfw_dlopen(sonames[i]);
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if (_glfw.glx.handle)
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break;
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}
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if (!_glfw.glx.handle)
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{
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_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: Failed to load GLX");
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return false;
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}
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glfw_dlsym(_glfw.glx.GetFBConfigs, _glfw.glx.handle, "glXGetFBConfigs");
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glfw_dlsym(_glfw.glx.GetFBConfigAttrib, _glfw.glx.handle, "glXGetFBConfigAttrib");
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glfw_dlsym(_glfw.glx.ChooseFBConfig, _glfw.glx.handle, "glXChooseFBConfig");
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glfw_dlsym(_glfw.glx.GetClientString, _glfw.glx.handle, "glXGetClientString");
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glfw_dlsym(_glfw.glx.QueryExtension, _glfw.glx.handle, "glXQueryExtension");
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glfw_dlsym(_glfw.glx.QueryVersion, _glfw.glx.handle, "glXQueryVersion");
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glfw_dlsym(_glfw.glx.DestroyContext, _glfw.glx.handle, "glXDestroyContext");
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glfw_dlsym(_glfw.glx.MakeCurrent, _glfw.glx.handle, "glXMakeCurrent");
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glfw_dlsym(_glfw.glx.SwapBuffers, _glfw.glx.handle, "glXSwapBuffers");
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glfw_dlsym(_glfw.glx.QueryExtensionsString, _glfw.glx.handle, "glXQueryExtensionsString");
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glfw_dlsym(_glfw.glx.CreateNewContext, _glfw.glx.handle, "glXCreateNewContext");
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glfw_dlsym(_glfw.glx.CreateWindow, _glfw.glx.handle, "glXCreateWindow");
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glfw_dlsym(_glfw.glx.DestroyWindow, _glfw.glx.handle, "glXDestroyWindow");
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glfw_dlsym(_glfw.glx.GetProcAddress, _glfw.glx.handle, "glXGetProcAddress");
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glfw_dlsym(_glfw.glx.GetProcAddressARB, _glfw.glx.handle, "glXGetProcAddressARB");
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glfw_dlsym(_glfw.glx.GetVisualFromFBConfig, _glfw.glx.handle, "glXGetVisualFromFBConfig");
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if (!_glfw.glx.GetFBConfigs ||
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!_glfw.glx.GetFBConfigAttrib ||
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!_glfw.glx.GetClientString ||
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!_glfw.glx.QueryExtension ||
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!_glfw.glx.QueryVersion ||
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!_glfw.glx.DestroyContext ||
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!_glfw.glx.MakeCurrent ||
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!_glfw.glx.SwapBuffers ||
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!_glfw.glx.QueryExtensionsString ||
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!_glfw.glx.CreateNewContext ||
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!_glfw.glx.CreateWindow ||
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!_glfw.glx.DestroyWindow ||
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!_glfw.glx.GetProcAddress ||
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!_glfw.glx.GetProcAddressARB ||
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!_glfw.glx.GetVisualFromFBConfig)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"GLX: Failed to load required entry points");
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return false;
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}
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if (!glXQueryExtension(_glfw.x11.display,
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&_glfw.glx.errorBase,
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&_glfw.glx.eventBase))
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{
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_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: GLX extension not found");
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return false;
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}
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if (!glXQueryVersion(_glfw.x11.display, &_glfw.glx.major, &_glfw.glx.minor))
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{
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_glfwInputError(GLFW_API_UNAVAILABLE,
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"GLX: Failed to query GLX version");
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return false;
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}
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if (_glfw.glx.major == 1 && _glfw.glx.minor < 3)
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{
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_glfwInputError(GLFW_API_UNAVAILABLE,
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"GLX: GLX version 1.3 is required");
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return false;
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}
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if (extensionSupportedGLX("GLX_EXT_swap_control"))
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{
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_glfw.glx.SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)
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getProcAddressGLX("glXSwapIntervalEXT");
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if (_glfw.glx.SwapIntervalEXT)
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_glfw.glx.EXT_swap_control = true;
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}
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if (extensionSupportedGLX("GLX_SGI_swap_control"))
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{
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_glfw.glx.SwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)
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getProcAddressGLX("glXSwapIntervalSGI");
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if (_glfw.glx.SwapIntervalSGI)
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_glfw.glx.SGI_swap_control = true;
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}
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if (extensionSupportedGLX("GLX_MESA_swap_control"))
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{
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_glfw.glx.SwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC)
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getProcAddressGLX("glXSwapIntervalMESA");
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if (_glfw.glx.SwapIntervalMESA)
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_glfw.glx.MESA_swap_control = true;
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}
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if (extensionSupportedGLX("GLX_ARB_multisample"))
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_glfw.glx.ARB_multisample = true;
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if (extensionSupportedGLX("GLX_ARB_framebuffer_sRGB"))
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_glfw.glx.ARB_framebuffer_sRGB = true;
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if (extensionSupportedGLX("GLX_EXT_framebuffer_sRGB"))
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_glfw.glx.EXT_framebuffer_sRGB = true;
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if (extensionSupportedGLX("GLX_ARB_create_context"))
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{
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_glfw.glx.CreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)
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getProcAddressGLX("glXCreateContextAttribsARB");
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if (_glfw.glx.CreateContextAttribsARB)
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_glfw.glx.ARB_create_context = true;
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}
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if (extensionSupportedGLX("GLX_ARB_create_context_robustness"))
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_glfw.glx.ARB_create_context_robustness = true;
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if (extensionSupportedGLX("GLX_ARB_create_context_profile"))
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_glfw.glx.ARB_create_context_profile = true;
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if (extensionSupportedGLX("GLX_EXT_create_context_es2_profile"))
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_glfw.glx.EXT_create_context_es2_profile = true;
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if (extensionSupportedGLX("GLX_ARB_create_context_no_error"))
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_glfw.glx.ARB_create_context_no_error = true;
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if (extensionSupportedGLX("GLX_ARB_context_flush_control"))
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_glfw.glx.ARB_context_flush_control = true;
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return true;
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}
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// Terminate GLX
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//
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void _glfwTerminateGLX(void)
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{
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// NOTE: This function must not call any X11 functions, as it is called
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// after XCloseDisplay (see _glfwPlatformTerminate for details)
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if (_glfw.glx.handle)
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{
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_glfw_dlclose(_glfw.glx.handle);
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_glfw.glx.handle = NULL;
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}
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}
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#define setAttrib(a, v) \
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{ \
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assert(((size_t) index + 1) < sizeof(attribs) / sizeof(attribs[0])); \
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attribs[index++] = a; \
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attribs[index++] = v; \
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}
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// Create the OpenGL or OpenGL ES context
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//
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bool _glfwCreateContextGLX(_GLFWwindow* window,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig)
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{
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int attribs[40];
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GLXFBConfig native = NULL;
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GLXContext share = NULL;
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if (ctxconfig->share)
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share = ctxconfig->share->context.glx.handle;
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if (!chooseGLXFBConfig(fbconfig, &native))
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{
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_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
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"GLX: Failed to find a suitable GLXFBConfig");
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return false;
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}
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if (ctxconfig->client == GLFW_OPENGL_ES_API)
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{
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if (!_glfw.glx.ARB_create_context ||
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!_glfw.glx.ARB_create_context_profile ||
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!_glfw.glx.EXT_create_context_es2_profile)
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{
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_glfwInputError(GLFW_API_UNAVAILABLE,
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"GLX: OpenGL ES requested but GLX_EXT_create_context_es2_profile is unavailable");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (ctxconfig->forward)
|
|
{
|
|
if (!_glfw.glx.ARB_create_context)
|
|
{
|
|
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
|
|
"GLX: Forward compatibility requested but GLX_ARB_create_context_profile is unavailable");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (ctxconfig->profile)
|
|
{
|
|
if (!_glfw.glx.ARB_create_context ||
|
|
!_glfw.glx.ARB_create_context_profile)
|
|
{
|
|
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
|
|
"GLX: An OpenGL profile requested but GLX_ARB_create_context_profile is unavailable");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
_glfwGrabErrorHandlerX11();
|
|
|
|
if (_glfw.glx.ARB_create_context)
|
|
{
|
|
int index = 0, mask = 0, flags = 0;
|
|
|
|
if (ctxconfig->client == GLFW_OPENGL_API)
|
|
{
|
|
if (ctxconfig->forward)
|
|
flags |= GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
|
|
|
|
if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE)
|
|
mask |= GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
|
|
else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE)
|
|
mask |= GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
|
|
}
|
|
else
|
|
mask |= GLX_CONTEXT_ES2_PROFILE_BIT_EXT;
|
|
|
|
if (ctxconfig->debug)
|
|
flags |= GLX_CONTEXT_DEBUG_BIT_ARB;
|
|
|
|
if (ctxconfig->robustness)
|
|
{
|
|
if (_glfw.glx.ARB_create_context_robustness)
|
|
{
|
|
if (ctxconfig->robustness == GLFW_NO_RESET_NOTIFICATION)
|
|
{
|
|
setAttrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
|
|
GLX_NO_RESET_NOTIFICATION_ARB);
|
|
}
|
|
else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
|
|
{
|
|
setAttrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
|
|
GLX_LOSE_CONTEXT_ON_RESET_ARB);
|
|
}
|
|
|
|
flags |= GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB;
|
|
}
|
|
}
|
|
|
|
if (ctxconfig->release)
|
|
{
|
|
if (_glfw.glx.ARB_context_flush_control)
|
|
{
|
|
if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE)
|
|
{
|
|
setAttrib(GLX_CONTEXT_RELEASE_BEHAVIOR_ARB,
|
|
GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB);
|
|
}
|
|
else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH)
|
|
{
|
|
setAttrib(GLX_CONTEXT_RELEASE_BEHAVIOR_ARB,
|
|
GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ctxconfig->noerror)
|
|
{
|
|
if (_glfw.glx.ARB_create_context_no_error)
|
|
setAttrib(GLX_CONTEXT_OPENGL_NO_ERROR_ARB, true);
|
|
}
|
|
|
|
// NOTE: Only request an explicitly versioned context when necessary, as
|
|
// explicitly requesting version 1.0 does not always return the
|
|
// highest version supported by the driver
|
|
if (ctxconfig->major != 1 || ctxconfig->minor != 0)
|
|
{
|
|
setAttrib(GLX_CONTEXT_MAJOR_VERSION_ARB, ctxconfig->major);
|
|
setAttrib(GLX_CONTEXT_MINOR_VERSION_ARB, ctxconfig->minor);
|
|
}
|
|
|
|
if (mask)
|
|
setAttrib(GLX_CONTEXT_PROFILE_MASK_ARB, mask);
|
|
|
|
if (flags)
|
|
setAttrib(GLX_CONTEXT_FLAGS_ARB, flags);
|
|
|
|
setAttrib(None, None);
|
|
|
|
window->context.glx.handle =
|
|
_glfw.glx.CreateContextAttribsARB(_glfw.x11.display,
|
|
native,
|
|
share,
|
|
True,
|
|
attribs);
|
|
|
|
// HACK: This is a fallback for broken versions of the Mesa
|
|
// implementation of GLX_ARB_create_context_profile that fail
|
|
// default 1.0 context creation with a GLXBadProfileARB error in
|
|
// violation of the extension spec
|
|
if (!window->context.glx.handle)
|
|
{
|
|
if (_glfw.x11.errorCode == _glfw.glx.errorBase + GLXBadProfileARB &&
|
|
ctxconfig->client == GLFW_OPENGL_API &&
|
|
ctxconfig->profile == GLFW_OPENGL_ANY_PROFILE &&
|
|
ctxconfig->forward == false)
|
|
{
|
|
window->context.glx.handle =
|
|
createLegacyContextGLX(window, native, share);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
window->context.glx.handle =
|
|
createLegacyContextGLX(window, native, share);
|
|
}
|
|
|
|
_glfwReleaseErrorHandlerX11();
|
|
|
|
if (!window->context.glx.handle)
|
|
{
|
|
_glfwInputErrorX11(GLFW_VERSION_UNAVAILABLE, "GLX: Failed to create context");
|
|
return false;
|
|
}
|
|
|
|
window->context.glx.window =
|
|
glXCreateWindow(_glfw.x11.display, native, window->x11.handle, NULL);
|
|
if (!window->context.glx.window)
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR, "GLX: Failed to create window");
|
|
return false;
|
|
}
|
|
|
|
window->context.makeCurrent = makeContextCurrentGLX;
|
|
window->context.swapBuffers = swapBuffersGLX;
|
|
window->context.swapInterval = swapIntervalGLX;
|
|
window->context.extensionSupported = extensionSupportedGLX;
|
|
window->context.getProcAddress = getProcAddressGLX;
|
|
window->context.destroy = destroyContextGLX;
|
|
|
|
return true;
|
|
}
|
|
|
|
#undef setAttrib
|
|
|
|
// Returns the Visual and depth of the chosen GLXFBConfig
|
|
//
|
|
bool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig UNUSED,
|
|
const _GLFWctxconfig* ctxconfig UNUSED,
|
|
const _GLFWfbconfig* fbconfig,
|
|
Visual** visual, int* depth)
|
|
{
|
|
GLXFBConfig native;
|
|
XVisualInfo* result;
|
|
|
|
if (!chooseGLXFBConfig(fbconfig, &native))
|
|
{
|
|
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
|
|
"GLX: Failed to find a suitable GLXFBConfig");
|
|
return false;
|
|
}
|
|
|
|
result = glXGetVisualFromFBConfig(_glfw.x11.display, native);
|
|
if (!result)
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"GLX: Failed to retrieve Visual for GLXFBConfig");
|
|
return false;
|
|
}
|
|
|
|
*visual = result->visual;
|
|
*depth = result->depth;
|
|
|
|
XFree(result);
|
|
return true;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW native API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* handle)
|
|
{
|
|
_GLFWwindow* window = (_GLFWwindow*) handle;
|
|
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
|
|
|
if (window->context.client == GLFW_NO_API)
|
|
{
|
|
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
return window->context.glx.handle;
|
|
}
|
|
|
|
GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* handle)
|
|
{
|
|
_GLFWwindow* window = (_GLFWwindow*) handle;
|
|
_GLFW_REQUIRE_INIT_OR_RETURN(None);
|
|
|
|
if (window->context.client == GLFW_NO_API)
|
|
{
|
|
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
|
|
return None;
|
|
}
|
|
|
|
return window->context.glx.window;
|
|
}
|