Christian Rauch
a296b8f694
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
125 lines
6.0 KiB
C++
125 lines
6.0 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup gpu
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*/
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#pragma once
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#include "gl_context.hh"
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/* Manual line breaks for readability. */
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/* clang-format off */
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#define _VA_ARG_LIST1(t) t
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#define _VA_ARG_LIST2(t, a) t a
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#define _VA_ARG_LIST4(t, a, b, c) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST2(b, c)
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#define _VA_ARG_LIST6(t, a, b, c, d, e) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST4(b, c, d, e)
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#define _VA_ARG_LIST8(t, a, b, c, d, e, f, g) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST6(b, c, d, e, f, g)
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#define _VA_ARG_LIST10(t, a, b, c, d, e, f, g, h, i) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST8(b, c, d, e, f, g, h, i)
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#define _VA_ARG_LIST12(t, a, b, c, d, e, f, g, h, i, j, k) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST10(b, c, d, e, f, g, h, i, j, k)
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#define _VA_ARG_LIST14(t, a, b, c, d, e, f, g, h, i, j, k, l, m) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST12(b, c, d, e, f, g, h, i, j, k, l, m)
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#define _VA_ARG_LIST16(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST14(b, c, d, e, f, g, h, i, j, k, l, m, o, p)
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#define _VA_ARG_LIST18(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST16(b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r)
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#define _VA_ARG_LIST20(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST18(b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u)
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#define _VA_ARG_LIST22(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u, v, w) \
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_VA_ARG_LIST2(t, a), _VA_ARG_LIST20(b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u, v, w)
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#define ARG_LIST(...) VA_NARGS_CALL_OVERLOAD(_VA_ARG_LIST, __VA_ARGS__)
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#define _VA_ARG_LIST_CALL1(t)
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#define _VA_ARG_LIST_CALL2(t, a) a
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#define _VA_ARG_LIST_CALL4(t, a, b, c) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL2(b, c)
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#define _VA_ARG_LIST_CALL6(t, a, b, c, d, e) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL4(b, c, d, e)
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#define _VA_ARG_LIST_CALL8(t, a, b, c, d, e, f, g) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL6(b, c, d, e, f, g)
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#define _VA_ARG_LIST_CALL10(t, a, b, c, d, e, f, g, h, i) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL8(b, c, d, e, f, g, h, i)
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#define _VA_ARG_LIST_CALL12(t, a, b, c, d, e, f, g, h, i, j, k) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL10(b, c, d, e, f, g, h, i, j, k)
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#define _VA_ARG_LIST_CALL14(t, a, b, c, d, e, f, g, h, i, j, k, l, m) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL12(b, c, d, e, f, g, h, i, j, k, l, m)
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#define _VA_ARG_LIST_CALL16(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL14(b, c, d, e, f, g, h, i, j, k, l, m, o, p)
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#define _VA_ARG_LIST_CALL18(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL16(b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r)
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#define _VA_ARG_LIST_CALL20(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL18(b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u)
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#define _VA_ARG_LIST_CALL22(t, a, b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u, v, w) \
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_VA_ARG_LIST_CALL2(t, a), _VA_ARG_LIST_CALL20(b, c, d, e, f, g, h, i, j, k, l, m, o, p, q, r, s, u, v, w)
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#define ARG_LIST_CALL(...) VA_NARGS_CALL_OVERLOAD(_VA_ARG_LIST_CALL, __VA_ARGS__)
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/* clang-format on */
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#ifdef DEBUG
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# define GL_CHECK_RESOURCES(info) debug::check_gl_resources(info)
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#else
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# define GL_CHECK_RESOURCES(info)
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#endif
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namespace blender {
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namespace gpu {
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namespace debug {
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void raise_gl_error(const char *info);
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void check_gl_error(const char *info);
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void check_gl_resources(const char *info);
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/**
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* This function needs to be called once per context.
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*/
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void init_gl_callbacks();
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/**
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* Initialize a fallback layer (to KHR_debug) that covers only some functions.
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* We override the functions pointers by our own implementation that just checks #glGetError.
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* Some additional functions (not overridable) are covered inside the header using wrappers.
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*/
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void init_debug_layer();
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void object_label(GLenum type, GLuint object, const char *name);
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} // namespace debug
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#define DEBUG_FUNC_OVERRIDE(func, ...) \
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inline void func(ARG_LIST(__VA_ARGS__)) \
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{ \
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if (GLContext::debug_layer_workaround) { \
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debug::check_gl_error("generated before " #func); \
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::func(ARG_LIST_CALL(__VA_ARGS__)); \
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debug::check_gl_error("" #func); \
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} \
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else { \
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::func(ARG_LIST_CALL(__VA_ARGS__)); \
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} \
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}
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/* Avoid very long declarations. */
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/* clang-format off */
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DEBUG_FUNC_OVERRIDE(glClear, GLbitfield, mask);
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DEBUG_FUNC_OVERRIDE(glDeleteTextures, GLsizei, n, const GLuint *, textures);
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DEBUG_FUNC_OVERRIDE(glDrawArrays, GLenum, mode, GLint, first, GLsizei, count);
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DEBUG_FUNC_OVERRIDE(glFinish, void);
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DEBUG_FUNC_OVERRIDE(glFlush, void);
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DEBUG_FUNC_OVERRIDE(glGenTextures, GLsizei, n, GLuint *, textures);
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DEBUG_FUNC_OVERRIDE(glGetTexImage, GLenum, target, GLint, level, GLenum, format, GLenum, type, void *, pixels);
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DEBUG_FUNC_OVERRIDE(glReadBuffer, GLenum, mode);
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DEBUG_FUNC_OVERRIDE(glReadPixels, GLint, x, GLint, y, GLsizei, width, GLsizei, height, GLenum, format, GLenum, type, void *, pixels);
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DEBUG_FUNC_OVERRIDE(glTexImage1D, GLenum, target, GLint, level, GLint, internalformat, GLsizei, width, GLint, border, GLenum, format, GLenum, type, const void *, pixels);
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DEBUG_FUNC_OVERRIDE(glTexImage2D, GLenum, target, GLint, level, GLint, internalformat, GLsizei, width, GLsizei, height, GLint, border, GLenum, format, GLenum, type, const void *, pixels);
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DEBUG_FUNC_OVERRIDE(glTexParameteri, GLenum, target, GLenum, pname, GLint, param);
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DEBUG_FUNC_OVERRIDE(glTexParameteriv, GLenum, target, GLenum, pname, const GLint *, params);
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DEBUG_FUNC_OVERRIDE(glTexSubImage1D, GLenum, target, GLint, level, GLint, xoffset, GLsizei, width, GLenum, format, GLenum, type, const void *, pixels);
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DEBUG_FUNC_OVERRIDE(glTexSubImage2D, GLenum, target, GLint, level, GLint, xoffset, GLint, yoffset, GLsizei, width, GLsizei, height, GLenum, format, GLenum, type, const void *, pixels);
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/* clang-format on */
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} // namespace gpu
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} // namespace blender
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