README.md

@@ -132,8 +132,6 @@ information on what to include when reporting a bug.
  - [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`
  - [EGL] Allowed native access on Wayland with `GLFW_CONTEXT_CREATION_API` set to
    `GLFW_NATIVE_CONTEXT_API` (#2518)
- - Added `GLFW_CONTEXT_RENDERER` window hint and `GLFW_HARDWARE_RENDERER` and
-   `GLFW_SOFTWARE_RENDERER` hint values (#589)
 
 
 ## Contact

docs/window.md

@@ -375,11 +375,6 @@ does not update the window contents when its buffers are swapped.  Use OpenGL
 functions or the OSMesa native access functions @ref glfwGetOSMesaColorBuffer
 and @ref glfwGetOSMesaDepthBuffer to retrieve the framebuffer contents.
 
-@anchor GLFW_CONTEXT_RENDERER_hint
-__GLFW_CONTEXT_RENDERER__ specifies whether to create the context using
-a hardware or software renderer, if that is possible to control on the current
-platform.
-
 @anchor GLFW_CONTEXT_VERSION_MAJOR_hint
 @anchor GLFW_CONTEXT_VERSION_MINOR_hint
 __GLFW_CONTEXT_VERSION_MAJOR__ and __GLFW_CONTEXT_VERSION_MINOR__ specify the
@@ -571,7 +566,6 @@ GLFW_SRGB_CAPABLE             | `GLFW_FALSE`                | `GLFW_TRUE` or `GL
 GLFW_DOUBLEBUFFER             | `GLFW_TRUE`                 | `GLFW_TRUE` or `GLFW_FALSE`
 GLFW_CLIENT_API               | `GLFW_OPENGL_API`           | `GLFW_OPENGL_API`, `GLFW_OPENGL_ES_API` or `GLFW_NO_API`
 GLFW_CONTEXT_CREATION_API     | `GLFW_NATIVE_CONTEXT_API`   | `GLFW_NATIVE_CONTEXT_API`, `GLFW_EGL_CONTEXT_API` or `GLFW_OSMESA_CONTEXT_API`
-GLFW_CONTEXT_RENDERER         | `GLFW_HARDWARE_RENDERER`    | `GLFW_HARDWARE_RENDERER` or `GLFW_SOFTWARE_RENDERER`
 GLFW_CONTEXT_VERSION_MAJOR    | 1                           | Any valid major version number of the chosen client API
 GLFW_CONTEXT_VERSION_MINOR    | 0                           | Any valid minor version number of the chosen client API
 GLFW_CONTEXT_ROBUSTNESS       | `GLFW_NO_ROBUSTNESS`        | `GLFW_NO_ROBUSTNESS`, `GLFW_NO_RESET_NOTIFICATION` or `GLFW_LOSE_CONTEXT_ON_RESET`

include/GLFW/glfw3.h

@@ -1108,8 +1108,6 @@ extern "C" {
  *  [GLFW_SCALE_FRAMEBUFFER](@ref GLFW_SCALE_FRAMEBUFFER_hint) window hint for
  *  compatibility with earlier versions.
  */
-#define GLFW_CONTEXT_RENDERER       0x0002200E
-
 #define GLFW_COCOA_RETINA_FRAMEBUFFER 0x00023001
 /*! @brief macOS specific
  *  [window hint](@ref GLFW_COCOA_FRAME_NAME_hint).
@@ -1182,9 +1180,6 @@ extern "C" {
 #define GLFW_WAYLAND_PREFER_LIBDECOR    0x00038001
 #define GLFW_WAYLAND_DISABLE_LIBDECOR   0x00038002
 
-#define GLFW_HARDWARE_RENDERER      0x00039001
-#define GLFW_SOFTWARE_RENDERER      0x00039002
-
 #define GLFW_ANY_POSITION           0x80000000
 
 /*! @defgroup shapes Standard cursor shapes

src/context.c

@@ -56,15 +56,6 @@ GLFWbool _glfwIsValidContextConfig(const _GLFWctxconfig* ctxconfig)
         return GLFW_FALSE;
     }
 
-    if (ctxconfig->renderer != GLFW_HARDWARE_RENDERER &&
-        ctxconfig->renderer != GLFW_SOFTWARE_RENDERER)
-    {
-        _glfwInputError(GLFW_INVALID_ENUM,
-                        "Invalid context renderer 0x%08X",
-                        ctxconfig->renderer);
-        return GLFW_FALSE;
-    }
-
     if (ctxconfig->client != GLFW_NO_API &&
         ctxconfig->client != GLFW_OPENGL_API &&
         ctxconfig->client != GLFW_OPENGL_ES_API)

src/glx_context.c

@@ -467,9 +467,6 @@ GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
         return GLFW_FALSE;
     }
 
-    if (ctxconfig->renderer == GLFW_SOFTWARE_RENDERER)
-        setenv("LIBGL_ALWAYS_SOFTWARE", "1", 1);
-
     if (ctxconfig->client == GLFW_OPENGL_ES_API)
     {
         if (!_glfw.glx.ARB_create_context ||

src/internal.h

@@ -449,7 +449,6 @@ struct _GLFWctxconfig
     int           profile;
     int           robustness;
     int           release;
-    int           renderer;
     _GLFWwindow*  share;
     struct {
         GLFWbool  offline;

src/nsgl_context.m

@@ -31,8 +31,6 @@
 #include <unistd.h>
 #include <math.h>
 #include <assert.h>
-#include <OpenGL/CGLRenderers.h>
-
 
 static void makeContextCurrentNSGL(_GLFWwindow* window)
 {
@@ -230,16 +228,8 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
     NSOpenGLPixelFormatAttribute attribs[40];
     int index = 0;
 
-    ADD_ATTRIB(NSOpenGLPFAClosestPolicy);
-
-    if (ctxconfig->renderer == GLFW_HARDWARE_RENDERER)
-    {
     ADD_ATTRIB(NSOpenGLPFAAccelerated);
-    }
+    ADD_ATTRIB(NSOpenGLPFAClosestPolicy);
-    else if (ctxconfig->renderer == GLFW_SOFTWARE_RENDERER)
-    {
-        SET_ATTRIB(NSOpenGLPFARendererID, kCGLRendererGenericFloatID);
-    }
 
     if (ctxconfig->nsgl.offline)
     {
@@ -344,7 +334,8 @@ GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
         // Re-try with Software Renderer
         DELETE_ATTRIB(NSOpenGLPFAAccelerated);
         DELETE_TERMINATING_NULL; // Unterminate.
-        SET_ATTRIB(NSOpenGLPFARendererID, kCGLRendererGenericFloatID);
+        ADD_ATTRIB(NSOpenGLPFARendererID);
+        ADD_ATTRIB(kCGLRendererGenericFloatID);
         ADD_ATTRIB(0); // Re-terminate.
         window->context.nsgl.pixelFormat =
             [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs];

src/wgl_context.c

@@ -166,22 +166,8 @@ static int choosePixelFormatWGL(_GLFWwindow* window,
             if (FIND_ATTRIB_VALUE(WGL_PIXEL_TYPE_ARB) != WGL_TYPE_RGBA_ARB)
                 continue;
 
-            if (ctxconfig->renderer == GLFW_HARDWARE_RENDERER)
+            if (FIND_ATTRIB_VALUE(WGL_ACCELERATION_ARB) == WGL_NO_ACCELERATION_ARB)
-            {
-                if (FIND_ATTRIB_VALUE(WGL_ACCELERATION_ARB) ==
-                    WGL_NO_ACCELERATION_ARB)
-                {
                 continue;
-                }
-            }
-            else if (ctxconfig->renderer == GLFW_SOFTWARE_RENDERER)
-            {
-                if (FIND_ATTRIB_VALUE(WGL_ACCELERATION_ARB) !=
-                    WGL_NO_ACCELERATION_ARB)
-                {
-                    continue;
-                }
-            }
 
             if (FIND_ATTRIB_VALUE(WGL_DOUBLE_BUFFER_ARB) != fbconfig->doublebuffer)
                 continue;
@@ -249,22 +235,11 @@ static int choosePixelFormatWGL(_GLFWwindow* window,
                 continue;
             }
 
-            if (ctxconfig->renderer == GLFW_HARDWARE_RENDERER)
-            {
             if (!(pfd.dwFlags & PFD_GENERIC_ACCELERATED) &&
                 (pfd.dwFlags & PFD_GENERIC_FORMAT))
             {
                 continue;
             }
-            }
-            else if (ctxconfig->renderer == GLFW_SOFTWARE_RENDERER)
-            {
-                if ((pfd.dwFlags & PFD_GENERIC_ACCELERATED) &&
-                    !(pfd.dwFlags & PFD_GENERIC_FORMAT))
-                {
-                    continue;
-                }
-            }
 
             if (pfd.iPixelType != PFD_TYPE_RGBA)
                 continue;

src/window.c

@@ -261,7 +261,6 @@ void glfwDefaultWindowHints(void)
     memset(&_glfw.hints.context, 0, sizeof(_glfw.hints.context));
     _glfw.hints.context.client = GLFW_OPENGL_API;
     _glfw.hints.context.source = GLFW_NATIVE_CONTEXT_API;
-    _glfw.hints.context.renderer = GLFW_HARDWARE_RENDERER;
     _glfw.hints.context.major  = 1;
     _glfw.hints.context.minor  = 0;
 
@@ -405,9 +404,6 @@ GLFWAPI void glfwWindowHint(int hint, int value)
         case GLFW_CONTEXT_CREATION_API:
             _glfw.hints.context.source = value;
             return;
-        case GLFW_CONTEXT_RENDERER:
-            _glfw.hints.context.renderer = value;
-            return;
         case GLFW_CONTEXT_VERSION_MAJOR:
             _glfw.hints.context.major = value;
             return;

tests/glfwinfo.c

@@ -71,9 +71,6 @@
 #define PLATFORM_NAME_X11   "x11"
 #define PLATFORM_NAME_NULL  "null"
 
-#define RENDERER_NAME_HW    "hw"
-#define RENDERER_NAME_SW    "sw"
-
 static void usage(void)
 {
     printf("Usage: glfwinfo [OPTION]...\n");
@@ -95,9 +92,6 @@ static void usage(void)
                                         API_NAME_NATIVE " or "
                                         API_NAME_EGL " or "
                                         API_NAME_OSMESA ")\n");
-    printf("      --renderer=RENDERER   the renderer to use ("
-                                        RENDERER_NAME_HW " or "
-                                        RENDERER_NAME_SW ")\n");
     printf("  -d, --debug               request a debug context\n");
     printf("  -f, --forward             require a forward-compatible context\n");
     printf("  -h, --help                show this help\n");
@@ -390,7 +384,7 @@ int main(int argc, char** argv)
     bool cocoa_graphics_switching = false;
     bool disable_xcb_surface = false;
 
-    enum { PLATFORM, CLIENT, CONTEXT, RENDERER, BEHAVIOR, DEBUG_CONTEXT, FORWARD, HELP,
+    enum { PLATFORM, CLIENT, CONTEXT, BEHAVIOR, DEBUG_CONTEXT, FORWARD, HELP,
            EXTENSIONS, LAYERS,
            MAJOR, MINOR, PROFILE, ROBUSTNESS, VERSION,
            REDBITS, GREENBITS, BLUEBITS, ALPHABITS, DEPTHBITS, STENCILBITS,
@@ -403,7 +397,6 @@ int main(int argc, char** argv)
         { "behavior",           1, NULL, BEHAVIOR },
         { "client-api",         1, NULL, CLIENT },
         { "context-api",        1, NULL, CONTEXT },
-        { "renderer",           1, NULL, RENDERER },
         { "debug",              0, NULL, DEBUG_CONTEXT },
         { "forward",            0, NULL, FORWARD },
         { "help",               0, NULL, HELP },
@@ -497,17 +490,6 @@ int main(int argc, char** argv)
                     exit(EXIT_FAILURE);
                 }
                 break;
-            case RENDERER:
-                if (strcasecmp(optarg, RENDERER_NAME_HW) == 0)
-                    glfwWindowHint(GLFW_CONTEXT_RENDERER, GLFW_HARDWARE_RENDERER);
-                else if (strcasecmp(optarg, RENDERER_NAME_SW) == 0)
-                    glfwWindowHint(GLFW_CONTEXT_RENDERER, GLFW_SOFTWARE_RENDERER);
-                else
-                {
-                    usage();
-                    exit(EXIT_FAILURE);
-                }
-                break;
             case 'd':
             case DEBUG_CONTEXT:
                 context_debug = true;