mirror of https://github.com/PCSX2/pcsx2.git
393 lines
11 KiB
C++
393 lines
11 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
|
|
* Copyright (C) 2002-2021 PCSX2 Dev Team
|
|
*
|
|
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU Lesser General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with PCSX2.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "common/PrecompiledHeader.h"
|
|
|
|
#include "common/Console.h"
|
|
#include "ContextEGL.h"
|
|
#include <algorithm>
|
|
#include <cstring>
|
|
#include <optional>
|
|
#include <vector>
|
|
|
|
namespace GL
|
|
{
|
|
ContextEGL::ContextEGL(const WindowInfo& wi)
|
|
: Context(wi)
|
|
{
|
|
}
|
|
|
|
ContextEGL::~ContextEGL()
|
|
{
|
|
DestroySurface();
|
|
DestroyContext();
|
|
}
|
|
|
|
std::unique_ptr<Context> ContextEGL::Create(const WindowInfo& wi, const Version* versions_to_try,
|
|
size_t num_versions_to_try)
|
|
{
|
|
std::unique_ptr<ContextEGL> context = std::make_unique<ContextEGL>(wi);
|
|
if (!context->Initialize(versions_to_try, num_versions_to_try))
|
|
return nullptr;
|
|
|
|
return context;
|
|
}
|
|
|
|
bool ContextEGL::Initialize(const Version* versions_to_try, size_t num_versions_to_try)
|
|
{
|
|
if (!gladLoadEGL())
|
|
{
|
|
Console.Error("Loading GLAD EGL functions failed");
|
|
return false;
|
|
}
|
|
|
|
if (!SetDisplay())
|
|
return false;
|
|
|
|
int egl_major, egl_minor;
|
|
if (!eglInitialize(m_display, &egl_major, &egl_minor))
|
|
{
|
|
Console.Error("eglInitialize() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
Console.WriteLn("EGL Version: %d.%d", egl_major, egl_minor);
|
|
|
|
const char* extensions = eglQueryString(m_display, EGL_EXTENSIONS);
|
|
if (extensions)
|
|
{
|
|
Console.WriteLn("EGL Extensions: %s", extensions);
|
|
m_supports_surfaceless = std::strstr(extensions, "EGL_KHR_surfaceless_context") != nullptr;
|
|
}
|
|
if (!m_supports_surfaceless)
|
|
Console.Warning("EGL implementation does not support surfaceless contexts, emulating with pbuffers");
|
|
|
|
for (size_t i = 0; i < num_versions_to_try; i++)
|
|
{
|
|
if (CreateContextAndSurface(versions_to_try[i], nullptr, true))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ContextEGL::SetDisplay()
|
|
{
|
|
m_display = eglGetDisplay(static_cast<EGLNativeDisplayType>(m_wi.display_connection));
|
|
if (!m_display)
|
|
{
|
|
Console.Error("eglGetDisplay() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void* ContextEGL::GetProcAddress(const char* name)
|
|
{
|
|
return reinterpret_cast<void*>(eglGetProcAddress(name));
|
|
}
|
|
|
|
bool ContextEGL::ChangeSurface(const WindowInfo& new_wi)
|
|
{
|
|
const bool was_current = (eglGetCurrentContext() == m_context);
|
|
if (was_current)
|
|
eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
|
|
if (m_surface != EGL_NO_SURFACE)
|
|
{
|
|
eglDestroySurface(m_display, m_surface);
|
|
m_surface = EGL_NO_SURFACE;
|
|
}
|
|
|
|
m_wi = new_wi;
|
|
if (!CreateSurface())
|
|
return false;
|
|
|
|
if (was_current && !eglMakeCurrent(m_display, m_surface, m_surface, m_context))
|
|
{
|
|
Console.Error("Failed to make context current again after surface change");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void ContextEGL::ResizeSurface(u32 new_surface_width /*= 0*/, u32 new_surface_height /*= 0*/)
|
|
{
|
|
if (new_surface_width == 0 && new_surface_height == 0)
|
|
{
|
|
EGLint surface_width, surface_height;
|
|
if (eglQuerySurface(m_display, m_surface, EGL_WIDTH, &surface_width) &&
|
|
eglQuerySurface(m_display, m_surface, EGL_HEIGHT, &surface_height))
|
|
{
|
|
m_wi.surface_width = static_cast<u32>(surface_width);
|
|
m_wi.surface_height = static_cast<u32>(surface_height);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
Console.Error("eglQuerySurface() failed: %d", eglGetError());
|
|
}
|
|
}
|
|
|
|
m_wi.surface_width = new_surface_width;
|
|
m_wi.surface_height = new_surface_height;
|
|
}
|
|
|
|
bool ContextEGL::SwapBuffers()
|
|
{
|
|
return eglSwapBuffers(m_display, m_surface);
|
|
}
|
|
|
|
bool ContextEGL::MakeCurrent()
|
|
{
|
|
if (!eglMakeCurrent(m_display, m_surface, m_surface, m_context))
|
|
{
|
|
Console.Error("eglMakeCurrent() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ContextEGL::DoneCurrent()
|
|
{
|
|
return eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
}
|
|
|
|
bool ContextEGL::SetSwapInterval(s32 interval)
|
|
{
|
|
return eglSwapInterval(m_display, interval);
|
|
}
|
|
|
|
std::unique_ptr<Context> ContextEGL::CreateSharedContext(const WindowInfo& wi)
|
|
{
|
|
std::unique_ptr<ContextEGL> context = std::make_unique<ContextEGL>(wi);
|
|
context->m_display = m_display;
|
|
context->m_supports_surfaceless = m_supports_surfaceless;
|
|
|
|
if (!context->CreateContextAndSurface(m_version, m_context, false))
|
|
return nullptr;
|
|
|
|
return context;
|
|
}
|
|
|
|
EGLNativeWindowType ContextEGL::GetNativeWindow(EGLConfig config)
|
|
{
|
|
return {};
|
|
}
|
|
|
|
bool ContextEGL::CreateSurface()
|
|
{
|
|
if (m_wi.type == WindowInfo::Type::Surfaceless)
|
|
{
|
|
if (m_supports_surfaceless)
|
|
return true;
|
|
else
|
|
return CreatePBufferSurface();
|
|
}
|
|
|
|
EGLNativeWindowType native_window = GetNativeWindow(m_config);
|
|
m_surface = eglCreateWindowSurface(m_display, m_config, native_window, nullptr);
|
|
if (!m_surface)
|
|
{
|
|
Console.Error("eglCreateWindowSurface() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
// Some implementations may require the size to be queried at runtime.
|
|
EGLint surface_width, surface_height;
|
|
if (eglQuerySurface(m_display, m_surface, EGL_WIDTH, &surface_width) &&
|
|
eglQuerySurface(m_display, m_surface, EGL_HEIGHT, &surface_height))
|
|
{
|
|
m_wi.surface_width = static_cast<u32>(surface_width);
|
|
m_wi.surface_height = static_cast<u32>(surface_height);
|
|
}
|
|
else
|
|
{
|
|
Console.Error("eglQuerySurface() failed: %d", eglGetError());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ContextEGL::CreatePBufferSurface()
|
|
{
|
|
const u32 width = std::max<u32>(m_wi.surface_width, 1);
|
|
const u32 height = std::max<u32>(m_wi.surface_height, 1);
|
|
|
|
EGLint attrib_list[] = {
|
|
EGL_WIDTH, static_cast<EGLint>(width),
|
|
EGL_HEIGHT, static_cast<EGLint>(height),
|
|
EGL_NONE,
|
|
};
|
|
|
|
m_surface = eglCreatePbufferSurface(m_display, m_config, attrib_list);
|
|
if (!m_surface)
|
|
{
|
|
Console.Error("eglCreatePbufferSurface() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
Console.WriteLn("Created %ux%u pbuffer surface", width, height);
|
|
return true;
|
|
}
|
|
|
|
bool ContextEGL::CheckConfigSurfaceFormat(EGLConfig config) const
|
|
{
|
|
int red_size, green_size, blue_size;
|
|
if (!eglGetConfigAttrib(m_display, config, EGL_RED_SIZE, &red_size) ||
|
|
!eglGetConfigAttrib(m_display, config, EGL_GREEN_SIZE, &green_size) ||
|
|
!eglGetConfigAttrib(m_display, config, EGL_BLUE_SIZE, &blue_size))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return (red_size == 8 && green_size == 8 && blue_size == 8);
|
|
}
|
|
|
|
void ContextEGL::DestroyContext()
|
|
{
|
|
if (eglGetCurrentContext() == m_context)
|
|
eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
|
|
if (m_context != EGL_NO_CONTEXT)
|
|
{
|
|
eglDestroyContext(m_display, m_context);
|
|
m_context = EGL_NO_CONTEXT;
|
|
}
|
|
}
|
|
|
|
void ContextEGL::DestroySurface()
|
|
{
|
|
if (eglGetCurrentSurface(EGL_DRAW) == m_surface)
|
|
eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
|
|
if (m_surface != EGL_NO_SURFACE)
|
|
{
|
|
eglDestroySurface(m_display, m_surface);
|
|
m_surface = EGL_NO_SURFACE;
|
|
}
|
|
}
|
|
|
|
bool ContextEGL::CreateContext(const Version& version, EGLContext share_context)
|
|
{
|
|
Console.WriteLn(
|
|
"Trying version %u.%u (%s)", version.major_version, version.minor_version,
|
|
version.profile == Context::Profile::ES ? "ES" : (version.profile == Context::Profile::Core ? "Core" : "None"));
|
|
|
|
const int renderable_type = version.profile == Profile::ES
|
|
? ((version.major_version >= 3) ? EGL_OPENGL_ES3_BIT : ((version.major_version == 2) ? EGL_OPENGL_ES2_BIT : EGL_OPENGL_ES_BIT))
|
|
: EGL_OPENGL_BIT;
|
|
const int surface_attribs[] = {
|
|
EGL_RENDERABLE_TYPE, renderable_type,
|
|
EGL_SURFACE_TYPE, (m_wi.type != WindowInfo::Type::Surfaceless) ? EGL_WINDOW_BIT : 0,
|
|
EGL_RED_SIZE, 8,
|
|
EGL_GREEN_SIZE, 8,
|
|
EGL_BLUE_SIZE, 8,
|
|
EGL_NONE
|
|
};
|
|
|
|
EGLint num_configs;
|
|
if (!eglChooseConfig(m_display, surface_attribs, nullptr, 0, &num_configs) || num_configs == 0)
|
|
{
|
|
Console.Error("eglChooseConfig() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
std::vector<EGLConfig> configs(static_cast<u32>(num_configs));
|
|
if (!eglChooseConfig(m_display, surface_attribs, configs.data(), num_configs, &num_configs))
|
|
{
|
|
Console.Error("eglChooseConfig() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
configs.resize(static_cast<u32>(num_configs));
|
|
|
|
m_config = [this, &configs]() {
|
|
const auto found_config = std::find_if(std::begin(configs), std::end(configs), [&](const auto& check_config) {
|
|
return CheckConfigSurfaceFormat(check_config);
|
|
});
|
|
if (found_config == std::end(configs))
|
|
{
|
|
Console.Warning("No EGL configs matched exactly, using first.");
|
|
return configs.front();
|
|
}
|
|
else
|
|
{
|
|
return *found_config;
|
|
}
|
|
}();
|
|
|
|
const auto attribs = [version]() -> std::array<int, 8> {
|
|
if (version.profile != Profile::NoProfile)
|
|
return {
|
|
EGL_CONTEXT_MAJOR_VERSION, version.major_version,
|
|
EGL_CONTEXT_MINOR_VERSION, version.minor_version,
|
|
EGL_NONE
|
|
};
|
|
return {EGL_NONE};
|
|
}();
|
|
|
|
if (!eglBindAPI((version.profile == Profile::ES) ? EGL_OPENGL_ES_API : EGL_OPENGL_API))
|
|
{
|
|
Console.Error("eglBindAPI(%s) failed", (version.profile == Profile::ES) ? "EGL_OPENGL_ES_API" : "EGL_OPENGL_API");
|
|
return false;
|
|
}
|
|
|
|
m_context = eglCreateContext(m_display, m_config, share_context, attribs.data());
|
|
if (!m_context)
|
|
{
|
|
Console.Error("eglCreateContext() failed: %d", eglGetError());
|
|
return false;
|
|
}
|
|
|
|
Console.WriteLn(
|
|
"Got version %u.%u (%s)", version.major_version, version.minor_version,
|
|
version.profile == Context::Profile::ES ? "ES" : (version.profile == Context::Profile::Core ? "Core" : "None"));
|
|
|
|
m_version = version;
|
|
return true;
|
|
}
|
|
|
|
bool ContextEGL::CreateContextAndSurface(const Version& version, EGLContext share_context, bool make_current)
|
|
{
|
|
if (!CreateContext(version, share_context))
|
|
return false;
|
|
|
|
if (!CreateSurface())
|
|
{
|
|
Console.Error("Failed to create surface for context");
|
|
eglDestroyContext(m_display, m_context);
|
|
m_context = EGL_NO_CONTEXT;
|
|
return false;
|
|
}
|
|
|
|
if (make_current && !eglMakeCurrent(m_display, m_surface, m_surface, m_context))
|
|
{
|
|
Console.Error("eglMakeCurrent() failed: %d", eglGetError());
|
|
if (m_surface != EGL_NO_SURFACE)
|
|
{
|
|
eglDestroySurface(m_display, m_surface);
|
|
m_surface = EGL_NO_SURFACE;
|
|
}
|
|
eglDestroyContext(m_display, m_context);
|
|
m_context = EGL_NO_CONTEXT;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
} // namespace GL
|