From a296b8f694d1a93d40da78312758580f69b43be7 Mon Sep 17 00:00:00 2001 From: Christian Rauch Date: Mon, 15 Aug 2022 14:58:04 +0200 Subject: GPU: replace GLEW with libepoxy With libepoxy we can choose between EGL and GLX at runtime, as well as dynamically open EGL and GLX libraries without linking to them. This will make it possible to build with Wayland, EGL, GLVND support while still running on systems that only have X11, GLX and libGL. It also paves the way for headless rendering through EGL. libepoxy is a new library dependency, and is included in the precompiled libraries. GLEW is no longer a dependency, and WITH_SYSTEM_GLEW was removed. Includes contributions by Brecht Van Lommel, Ray Molenkamp, Campbell Barton and Sergey Sharybin. Ref T76428 Differential Revision: https://developer.blender.org/D15291 --- source/blender/gpu/opengl/gl_debug.cc | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'source/blender/gpu/opengl/gl_debug.cc') diff --git a/source/blender/gpu/opengl/gl_debug.cc b/source/blender/gpu/opengl/gl_debug.cc index 79b28642a67..4c9f766c93c 100644 --- a/source/blender/gpu/opengl/gl_debug.cc +++ b/source/blender/gpu/opengl/gl_debug.cc @@ -19,8 +19,6 @@ #include "CLG_log.h" -#include "glew-mx.h" - #include "gl_context.hh" #include "gl_uniform_buffer.hh" @@ -138,8 +136,8 @@ void init_gl_callbacks() char msg[256] = ""; const char format[] = "Successfully hooked OpenGL debug callback using %s"; - if (GLEW_VERSION_4_3 || GLEW_KHR_debug) { - SNPRINTF(msg, format, GLEW_VERSION_4_3 ? "OpenGL 4.3" : "KHR_debug extension"); + if (epoxy_gl_version() >= 43 || epoxy_has_gl_extension("GL_KHR_debug")) { + SNPRINTF(msg, format, epoxy_gl_version() >= 43 ? "OpenGL 4.3" : "KHR_debug extension"); glEnable(GL_DEBUG_OUTPUT); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); glDebugMessageCallback((GLDEBUGPROC)debug_callback, nullptr); @@ -151,7 +149,7 @@ void init_gl_callbacks() -1, msg); } - else if (GLEW_ARB_debug_output) { + else if (epoxy_has_gl_extension("GL_ARB_debug_output")) { SNPRINTF(msg, format, "ARB_debug_output"); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); glDebugMessageCallbackARB((GLDEBUGPROCARB)debug_callback, nullptr); @@ -327,7 +325,8 @@ static const char *to_str_suffix(GLenum type) void object_label(GLenum type, GLuint object, const char *name) { - if ((G.debug & G_DEBUG_GPU) && (GLEW_VERSION_4_3 || GLEW_KHR_debug)) { + if ((G.debug & G_DEBUG_GPU) && + (epoxy_gl_version() >= 43 || epoxy_has_gl_extension("GL_KHR_debug"))) { char label[64]; SNPRINTF(label, "%s%s%s", to_str_prefix(type), name, to_str_suffix(type)); /* Small convenience for caller. */ @@ -365,7 +364,8 @@ namespace blender::gpu { void GLContext::debug_group_begin(const char *name, int index) { - if ((G.debug & G_DEBUG_GPU) && (GLEW_VERSION_4_3 || GLEW_KHR_debug)) { + if ((G.debug & G_DEBUG_GPU) && + (epoxy_gl_version() >= 43 || epoxy_has_gl_extension("GL_KHR_debug"))) { /* Add 10 to avoid collision with other indices from other possible callback layers. */ index += 10; glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, index, -1, name); @@ -374,7 +374,8 @@ void GLContext::debug_group_begin(const char *name, int index) void GLContext::debug_group_end() { - if ((G.debug & G_DEBUG_GPU) && (GLEW_VERSION_4_3 || GLEW_KHR_debug)) { + if ((G.debug & G_DEBUG_GPU) && + (epoxy_gl_version() >= 43 || epoxy_has_gl_extension("GL_KHR_debug"))) { glPopDebugGroup(); } } -- cgit v1.2.3