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GLContext: Try GL versions 3.2-4.6 when getting a context

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GLX previously was only creating a 4.0 context.
This commit is contained in:
Stenzek 2018-10-14 23:32:50 +10:00
parent c95802afeb
commit 2c6d96433c
5 changed files with 31 additions and 38 deletions
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3
Source/Core/Common/GL/GLContext.cpp
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@ -25,6 +25,9 @@
#endif
#endif
const std::array<std::pair<int, int>, 9> GLContext::s_desktop_opengl_versions = {
{{4, 6}, {4, 5}, {4, 4}, {4, 3}, {4, 2}, {4, 1}, {4, 0}, {3, 3}, {3, 2}}};
GLContext::~GLContext() = default;
bool GLContext::Initialize(void* display_handle, void* window_handle, bool stereo, bool core)

6
Source/Core/Common/GL/GLContext.h
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@ -4,8 +4,10 @@
#pragma once
#include <array>
#include <memory>
#include <string>
#include <utility>
#include "Common/CommonTypes.h"
#include "Common/WindowSystemInfo.h"
@ -58,4 +60,8 @@ protected:
u32 m_backbuffer_width = 0;
u32 m_backbuffer_height = 0;
bool m_is_shared = false;
// A list of desktop OpenGL versions to attempt to create a context for.
// (4.6-3.2, geometry shaders is a minimum requirement since we're using core profile).
static const std::array<std::pair<int, int>, 9> s_desktop_opengl_versions;
};

12
Source/Core/Common/GL/GLInterface/EGL.cpp
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@ -222,17 +222,7 @@ bool GLContextEGL::Initialize(void* display_handle, void* window_handle, bool st
if (supports_core_profile && core && m_opengl_mode == Mode::OpenGL)
{
std::array<std::pair<int, int>, 7> versions_to_try = {{
{4, 5},
{4, 4},
{4, 3},
{4, 2},
{4, 1},
{4, 0},
{3, 3},
}};
for (const auto& version : versions_to_try)
for (const auto& version : s_desktop_opengl_versions)
{
std::vector<EGLint> core_attribs = {EGL_CONTEXT_MAJOR_VERSION_KHR,
version.first,

41
Source/Core/Common/GL/GLInterface/GLX.cpp
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@ -134,30 +134,29 @@ bool GLContextGLX::Initialize(void* display_handle, void* window_handle, bool st
XErrorHandler oldHandler = XSetErrorHandler(&ctxErrorHandler);
// Create a GLX context.
// We try to get a 4.0 core profile, else we try 3.3, else try it with anything we get.
std::array<int, 9> context_attribs = {
{GLX_CONTEXT_MAJOR_VERSION_ARB, 4, GLX_CONTEXT_MINOR_VERSION_ARB, 0,
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, GLX_CONTEXT_FLAGS_ARB,
GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, None}};
m_context = nullptr;
if (core)
{
m_context = glXCreateContextAttribs(m_display, m_fbconfig, 0, True, &context_attribs[0]);
XSync(m_display, False);
m_attribs.insert(m_attribs.end(), context_attribs.begin(), context_attribs.end());
}
if (core && (!m_context || s_glxError))
{
std::array<int, 9> context_attribs_33 = {
{GLX_CONTEXT_MAJOR_VERSION_ARB, 3, GLX_CONTEXT_MINOR_VERSION_ARB, 3,
GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, GLX_CONTEXT_FLAGS_ARB,
GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, None}};
s_glxError = false;
m_context = glXCreateContextAttribs(m_display, m_fbconfig, 0, True, &context_attribs_33[0]);
XSync(m_display, False);
m_attribs.clear();
m_attribs.insert(m_attribs.end(), context_attribs_33.begin(), context_attribs_33.end());
for (const auto& version : s_desktop_opengl_versions)
{
std::array<int, 9> context_attribs = {
{GLX_CONTEXT_MAJOR_VERSION_ARB, version.first, GLX_CONTEXT_MINOR_VERSION_ARB,
version.second, GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, None}};
s_glxError = false;
m_context = glXCreateContextAttribs(m_display, m_fbconfig, 0, True, &context_attribs[0]);
XSync(m_display, False);
m_attribs.insert(m_attribs.end(), context_attribs.begin(), context_attribs.end());
if (!m_context || s_glxError)
continue;
// Got a context.
INFO_LOG(VIDEO, "Created a GLX context with version %d.%d", version.first, version.second);
break;
}
}
// Failed to create any core contexts, try for anything.
if (!m_context || s_glxError)
{
std::array<int, 5> context_attribs_legacy = {

7
Source/Core/Common/GL/GLInterface/WGL.cpp
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@ -371,12 +371,7 @@ HGLRC GLContextWGL::CreateCoreContext(HDC dc, HGLRC share_context)
return nullptr;
}
// List of versions to attempt context creation for. (4.5-3.2, geometry shaders is a minimum
// requirement since we're using core profile)
static constexpr std::array<std::pair<int, int>, 8> try_versions = {
{{4, 5}, {4, 4}, {4, 3}, {4, 2}, {4, 1}, {4, 0}, {3, 3}, {3, 2}}};
for (const auto& version : try_versions)
for (const auto& version : s_desktop_opengl_versions)
{
// Construct list of attributes. Prefer a forward-compatible, core context.
std::array<int, 5 * 2> attribs = {WGL_CONTEXT_PROFILE_MASK_ARB,