mirror of https://github.com/stenzek/duckstation
Connor McLaughlin
5 years ago
parent
729e1b3392
commit
a451e7f177
@ -1,10 +1,8 @@
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set(SRCS
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android_host_interface.cpp
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android_host_interface.h
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android_gles_host_display.cpp
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android_gles_host_display.h
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main.cpp
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)
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add_library(duckstation-native SHARED ${SRCS})
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target_link_libraries(duckstation-native PRIVATE android frontend-common core common glad imgui EGL::EGL)
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target_link_libraries(duckstation-native PRIVATE android frontend-common core common glad imgui)
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@ -1,399 +0,0 @@
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#include "android_gles_host_display.h"
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#include "common/assert.h"
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#include "common/log.h"
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#include <EGL/eglext.h>
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#include <array>
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#include <imgui.h>
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#include <imgui_impl_opengl3.h>
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#include <tuple>
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Log_SetChannel(AndroidGLESHostDisplay);
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class AndroidGLESHostDisplayTexture : public HostDisplayTexture
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{
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public:
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AndroidGLESHostDisplayTexture(GLuint id, u32 width, u32 height) : m_id(id), m_width(width), m_height(height) {}
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~AndroidGLESHostDisplayTexture() override { glDeleteTextures(1, &m_id); }
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void* GetHandle() const override { return reinterpret_cast<void*>(static_cast<uintptr_t>(m_id)); }
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u32 GetWidth() const override { return m_width; }
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u32 GetHeight() const override { return m_height; }
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GLuint GetGLID() const { return m_id; }
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static std::unique_ptr<AndroidGLESHostDisplayTexture> Create(u32 width, u32 height, const void* initial_data,
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u32 initial_data_stride)
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{
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GLuint id;
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glGenTextures(1, &id);
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GLint old_texture_binding = 0;
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glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_texture_binding);
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// TODO: Set pack width
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Assert(!initial_data || initial_data_stride == (width * sizeof(u32)));
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glBindTexture(GL_TEXTURE_2D, id);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, initial_data);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glBindTexture(GL_TEXTURE_2D, id);
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return std::make_unique<AndroidGLESHostDisplayTexture>(id, width, height);
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}
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private:
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GLuint m_id;
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u32 m_width;
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u32 m_height;
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};
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AndroidGLESHostDisplay::AndroidGLESHostDisplay(ANativeWindow* window)
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: m_window(window), m_window_width(ANativeWindow_getWidth(window)), m_window_height(ANativeWindow_getHeight(window))
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{
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}
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AndroidGLESHostDisplay::~AndroidGLESHostDisplay()
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{
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if (m_egl_context != EGL_NO_CONTEXT)
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{
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m_display_program.Destroy();
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ImGui_ImplOpenGL3_Shutdown();
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eglMakeCurrent(m_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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eglDestroyContext(m_egl_display, m_egl_context);
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}
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if (m_egl_surface != EGL_NO_SURFACE)
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eglDestroySurface(m_egl_display, m_egl_surface);
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}
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HostDisplay::RenderAPI AndroidGLESHostDisplay::GetRenderAPI() const
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{
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return HostDisplay::RenderAPI::OpenGLES;
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}
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void* AndroidGLESHostDisplay::GetRenderDevice() const
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{
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return nullptr;
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}
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void* AndroidGLESHostDisplay::GetRenderContext() const
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{
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return m_egl_context;
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}
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void* AndroidGLESHostDisplay::GetRenderWindow() const
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{
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return m_window;
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}
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void AndroidGLESHostDisplay::ChangeRenderWindow(void* new_window)
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{
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eglMakeCurrent(m_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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DestroySurface();
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m_window = static_cast<ANativeWindow*>(new_window);
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if (!CreateSurface())
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Panic("Failed to recreate surface after window change");
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if (!eglMakeCurrent(m_egl_display, m_egl_surface, m_egl_surface, m_egl_context))
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Panic("Failed to make context current after window change");
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}
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std::unique_ptr<HostDisplayTexture> AndroidGLESHostDisplay::CreateTexture(u32 width, u32 height, const void* data,
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u32 data_stride, bool dynamic)
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{
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return AndroidGLESHostDisplayTexture::Create(width, height, data, data_stride);
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}
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void AndroidGLESHostDisplay::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height,
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const void* data, u32 data_stride)
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{
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AndroidGLESHostDisplayTexture* tex = static_cast<AndroidGLESHostDisplayTexture*>(texture);
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Assert(data_stride == (width * sizeof(u32)));
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GLint old_texture_binding = 0;
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glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_texture_binding);
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glBindTexture(GL_TEXTURE_2D, tex->GetGLID());
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glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
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glBindTexture(GL_TEXTURE_2D, old_texture_binding);
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}
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bool AndroidGLESHostDisplay::DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height,
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void* out_data, u32 out_data_stride)
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{
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GLint old_alignment = 0, old_row_length = 0;
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glGetIntegerv(GL_PACK_ALIGNMENT, &old_alignment);
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glGetIntegerv(GL_PACK_ROW_LENGTH, &old_row_length);
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glPixelStorei(GL_PACK_ALIGNMENT, sizeof(u32));
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glPixelStorei(GL_PACK_ROW_LENGTH, out_data_stride / sizeof(u32));
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const GLuint texture = static_cast<GLuint>(reinterpret_cast<uintptr_t>(texture_handle));
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GL::Texture::GetTextureSubImage(texture, 0, x, y, 0, width, height, 1, GL_RGBA, GL_UNSIGNED_BYTE,
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height * out_data_stride, out_data);
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glPixelStorei(GL_PACK_ALIGNMENT, old_alignment);
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glPixelStorei(GL_PACK_ROW_LENGTH, old_row_length);
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return true;
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}
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void AndroidGLESHostDisplay::SetVSync(bool enabled)
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{
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eglSwapInterval(m_egl_display, enabled ? 1 : 0);
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}
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void AndroidGLESHostDisplay::WindowResized(s32 new_window_width, s32 new_window_height)
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{
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HostDisplay::WindowResized(new_window_width, new_window_height);
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m_window_width = ANativeWindow_getWidth(m_window);
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m_window_height = ANativeWindow_getHeight(m_window);
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ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_width);
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ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_height);
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Log_InfoPrintf("WindowResized %dx%d", m_window_width, m_window_height);
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}
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const char* AndroidGLESHostDisplay::GetGLSLVersionString() const
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{
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return "#version 100";
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}
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std::string AndroidGLESHostDisplay::GetGLSLVersionHeader() const
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{
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return R"(
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#version 100
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precision highp float;
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precision highp int;
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)";
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}
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bool AndroidGLESHostDisplay::CreateGLContext()
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{
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m_egl_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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if (!m_egl_display)
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{
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Log_ErrorPrint("eglGetDisplay() failed");
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return false;
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}
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EGLint egl_major_version, egl_minor_version;
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if (!eglInitialize(m_egl_display, &egl_major_version, &egl_minor_version))
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{
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Log_ErrorPrint("eglInitialize() failed");
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return false;
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}
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Log_InfoPrintf("EGL version %d.%d initialized", egl_major_version, egl_minor_version);
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static constexpr std::array<int, 11> egl_surface_attribs = {{EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, EGL_RED_SIZE, 8,
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EGL_GREEN_SIZE, 8, EGL_BLUE_SIZE, 8, EGL_SURFACE_TYPE,
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EGL_WINDOW_BIT, EGL_NONE}};
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int num_m_egl_configs;
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if (!eglChooseConfig(m_egl_display, egl_surface_attribs.data(), &m_egl_config, 1, &num_m_egl_configs))
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{
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Log_ErrorPrint("eglChooseConfig() failed");
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return false;
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}
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eglBindAPI(EGL_OPENGL_ES_API);
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// Try GLES 3, then fall back to GLES 2.
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for (int major_version : {3, 2})
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{
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std::array<int, 3> egl_context_attribs = {{EGL_CONTEXT_CLIENT_VERSION, major_version, EGL_NONE}};
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m_egl_context = eglCreateContext(m_egl_display, m_egl_config, EGL_NO_CONTEXT, egl_context_attribs.data());
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if (m_egl_context)
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break;
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}
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if (!m_egl_context)
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{
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Log_ErrorPrint("eglCreateContext() failed");
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return false;
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}
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if (!CreateSurface())
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return false;
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if (!eglMakeCurrent(m_egl_display, m_egl_surface, m_egl_surface, m_egl_context))
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{
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Log_ErrorPrint("eglMakeCurrent() failed");
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return false;
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}
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// Load GLAD.
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if (!gladLoadGLES2Loader(reinterpret_cast<GLADloadproc>(eglGetProcAddress)))
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{
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Log_ErrorPrintf("Failed to load GL functions");
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return false;
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}
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Log_InfoPrintf("GLES Version: %s", glGetString(GL_VERSION));
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Log_InfoPrintf("GLES Renderer: %s", glGetString(GL_RENDERER));
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return true;
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}
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bool AndroidGLESHostDisplay::CreateSurface()
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{
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EGLint native_visual;
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eglGetConfigAttrib(m_egl_display, m_egl_config, EGL_NATIVE_VISUAL_ID, &native_visual);
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ANativeWindow_setBuffersGeometry(m_window, 0, 0, native_visual);
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m_window_width = ANativeWindow_getWidth(m_window);
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m_window_height = ANativeWindow_getHeight(m_window);
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m_egl_surface = eglCreateWindowSurface(m_egl_display, m_egl_config, m_window, nullptr);
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if (!m_egl_surface)
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{
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Log_ErrorPrint("eglCreateWindowSurface() failed");
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return false;
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}
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WindowResized(m_window_width, m_window_height);
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return true;
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}
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void AndroidGLESHostDisplay::DestroySurface()
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{
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eglDestroySurface(m_egl_display, m_egl_surface);
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m_egl_surface = EGL_NO_SURFACE;
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}
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bool AndroidGLESHostDisplay::CreateImGuiContext()
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{
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if (!ImGui_ImplOpenGL3_Init(GetGLSLVersionString()))
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return false;
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ImGui_ImplOpenGL3_NewFrame();
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ImGui::GetIO().DisplaySize.x = static_cast<float>(m_window_width);
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ImGui::GetIO().DisplaySize.y = static_cast<float>(m_window_height);
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return true;
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}
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bool AndroidGLESHostDisplay::CreateGLResources()
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{
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static constexpr char fullscreen_quad_vertex_shader[] = R"(
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attribute vec2 a_pos;
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attribute vec2 a_tex0;
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varying vec2 v_tex0;
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void main()
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{
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v_tex0 = a_tex0;
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gl_Position = vec4(a_pos, 0.0, 1.0);
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}
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)";
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static constexpr char display_fragment_shader[] = R"(
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uniform sampler2D samp0;
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varying vec2 v_tex0;
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void main()
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{
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gl_FragColor = texture2D(samp0, v_tex0);
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}
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)";
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if (!m_display_program.Compile(GetGLSLVersionHeader() + fullscreen_quad_vertex_shader,
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GetGLSLVersionHeader() + display_fragment_shader))
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{
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Log_ErrorPrintf("Failed to compile display shaders");
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return false;
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}
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m_display_program.BindAttribute(0, "a_pos");
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m_display_program.BindAttribute(1, "a_tex0");
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if (!m_display_program.Link())
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{
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Log_ErrorPrintf("Failed to link display program");
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return false;
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}
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m_display_program.Bind();
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m_display_program.RegisterUniform("samp0");
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m_display_program.Uniform1i(0, 0);
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return true;
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}
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std::unique_ptr<HostDisplay> AndroidGLESHostDisplay::Create(ANativeWindow* window)
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{
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std::unique_ptr<AndroidGLESHostDisplay> display = std::make_unique<AndroidGLESHostDisplay>(window);
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if (!display->CreateGLContext() || !display->CreateImGuiContext() || !display->CreateGLResources())
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return nullptr;
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Log_DevPrintf("%dx%d display created", display->m_window_width, display->m_window_height);
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return display;
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}
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void AndroidGLESHostDisplay::Render()
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{
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glDisable(GL_SCISSOR_TEST);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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RenderDisplay();
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ImGui::Render();
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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eglSwapBuffers(m_egl_display, m_egl_surface);
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ImGui::NewFrame();
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ImGui_ImplOpenGL3_NewFrame();
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GL::Program::ResetLastProgram();
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}
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void AndroidGLESHostDisplay::RenderDisplay()
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{
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if (!m_display_texture_handle)
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return;
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const auto [vp_left, vp_top, vp_width, vp_height] = CalculateDrawRect();
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glViewport(vp_left, m_window_height - vp_top - vp_height, vp_width, vp_height);
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glDisable(GL_BLEND);
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glDisable(GL_CULL_FACE);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_SCISSOR_TEST);
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glDepthMask(GL_FALSE);
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m_display_program.Bind();
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const float tex_left =
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(static_cast<float>(m_display_texture_view_x) + 0.25f) / static_cast<float>(m_display_texture_width);
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const float tex_top =
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(static_cast<float>(m_display_texture_view_y) - 0.25f) / static_cast<float>(m_display_texture_height);
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const float tex_right =
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(tex_left + static_cast<float>(m_display_texture_view_width) - 0.5f) / static_cast<float>(m_display_texture_width);
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const float tex_bottom =
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(tex_top + static_cast<float>(m_display_texture_view_height) + 0.5f) / static_cast<float>(m_display_texture_height);
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const std::array<std::array<float, 4>, 4> vertices = {{
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{{-1.0f, -1.0f, tex_left, tex_bottom}}, // bottom-left
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{{1.0f, -1.0f, tex_right, tex_bottom}}, // bottom-right
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{{-1.0f, 1.0f, tex_left, tex_top}}, // top-left
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{{1.0f, 1.0f, tex_right, tex_top}}, // top-right
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}};
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(vertices[0]), &vertices[0][0]);
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(vertices[0]), &vertices[0][2]);
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glEnableVertexAttribArray(1);
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glBindTexture(GL_TEXTURE_2D, static_cast<GLuint>(reinterpret_cast<uintptr_t>(m_display_texture_handle)));
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glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
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glDisableVertexAttribArray(1);
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glDisableVertexAttribArray(0);
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}
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@ -1,61 +0,0 @@
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#pragma once
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#include "common/gl/program.h"
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#include "common/gl/texture.h"
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#include "core/host_display.h"
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#include <EGL/egl.h>
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#include <android/native_window.h>
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#include <glad.h>
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#include <memory>
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#include <string>
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class AndroidGLESHostDisplay final : public HostDisplay
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{
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public:
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AndroidGLESHostDisplay(ANativeWindow* window);
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~AndroidGLESHostDisplay();
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static std::unique_ptr<HostDisplay> Create(ANativeWindow* window);
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RenderAPI GetRenderAPI() const override;
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void* GetRenderDevice() const override;
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void* GetRenderContext() const override;
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void* GetRenderWindow() const override;
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void ChangeRenderWindow(void* new_window) override;
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void WindowResized(s32 new_window_width, s32 new_window_height) override;
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std::unique_ptr<HostDisplayTexture> CreateTexture(u32 width, u32 height, const void* data, u32 data_stride,
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bool dynamic) override;
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void UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data,
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u32 data_stride) override;
|
||||
bool DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height, void* out_data,
|
||||
u32 out_data_stride) override;
|
||||
|
||||
void SetVSync(bool enabled) override;
|
||||
|
||||
void Render() override;
|
||||
|
||||
private:
|
||||
const char* GetGLSLVersionString() const;
|
||||
std::string GetGLSLVersionHeader() const;
|
||||
|
||||
bool CreateSurface();
|
||||
void DestroySurface();
|
||||
|
||||
bool CreateGLContext();
|
||||
bool CreateImGuiContext();
|
||||
bool CreateGLResources();
|
||||
|
||||
void RenderDisplay();
|
||||
|
||||
ANativeWindow* m_window = nullptr;
|
||||
int m_window_width = 0;
|
||||
int m_window_height = 0;
|
||||
|
||||
EGLDisplay m_egl_display = EGL_NO_DISPLAY;
|
||||
EGLSurface m_egl_surface = EGL_NO_SURFACE;
|
||||
EGLContext m_egl_context = EGL_NO_CONTEXT;
|
||||
EGLConfig m_egl_config = {};
|
||||
|
||||
GL::Program m_display_program;
|
||||
};
|
||||
Loading…
Reference in New Issue