Skip to content

Commit

Permalink
PandaGlRenderer: optimisation
Browse files Browse the repository at this point in the history
  • Loading branch information
@Ishan09811
Ishan09811 authored Jan 25, 2024
1 parent 62cbe4d commit 1d57fe4
Showing 1 changed file with 143 additions and 123 deletions.
266 changes: 143 additions & 123 deletions src/pandroid/app/src/main/java/com/panda3ds/pandroid/view/PandaGlRenderer.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

import android.content.res.Resources;
import android.graphics.Rect;
import android.opengl.GLES30;
import android.opengl.GLSurfaceView;
import android.util.Log;
import com.panda3ds.pandroid.AlberDriver;
Expand All @@ -18,126 +19,145 @@
import javax.microedition.khronos.opengles.GL10;

public class PandaGlRenderer implements GLSurfaceView.Renderer, ConsoleRenderer {
private final String romPath;
private ConsoleLayout displayLayout;
private int screenWidth, screenHeight;
private int screenTexture;
public int screenFbo;

PandaGlRenderer(String romPath) {
super();
this.romPath = romPath;

screenWidth = Resources.getSystem().getDisplayMetrics().widthPixels;
screenHeight = Resources.getSystem().getDisplayMetrics().heightPixels;
setLayout(new DefaultScreenLayout());
}

@Override
protected void finalize() throws Throwable {
if (screenTexture != 0) {
glDeleteTextures(1, new int[] {screenTexture}, 0);
}
if (screenFbo != 0) {
glDeleteFramebuffers(1, new int[] {screenFbo}, 0);
}
super.finalize();
}

public void onSurfaceCreated(GL10 unused, EGLConfig config) {
Log.i(Constants.LOG_TAG, glGetString(GL_EXTENSIONS));
Log.w(Constants.LOG_TAG, glGetString(GL_VERSION));

int[] version = new int[2];
glGetIntegerv(GL_MAJOR_VERSION, version, 0);
glGetIntegerv(GL_MINOR_VERSION, version, 1);

if (version[0] < 3 || (version[0] == 3 && version[1] < 1)) {
Log.e(Constants.LOG_TAG, "OpenGL 3.1 or higher is required");
}

glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);

int[] generateBuffer = new int[1];
glGenTextures(1, generateBuffer, 0);
screenTexture = generateBuffer[0];
glBindTexture(GL_TEXTURE_2D, screenTexture);
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, screenWidth, screenHeight);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);

glGenFramebuffers(1, generateBuffer, 0);
screenFbo = generateBuffer[0];
glBindFramebuffer(GL_FRAMEBUFFER, screenFbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, screenTexture, 0);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
Log.e(Constants.LOG_TAG, "Framebuffer is not complete");
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);

AlberDriver.Initialize();
AlberDriver.LoadRom(romPath);

// Load the SMDH
byte[] smdhData = AlberDriver.GetSmdh();
if (smdhData.length == 0) {
Log.w(Constants.LOG_TAG, "Failed to load SMDH");
} else {
SMDH smdh = new SMDH(smdhData);
Log.i(Constants.LOG_TAG, "Loaded rom SDMH");
Log.i(Constants.LOG_TAG, String.format("Are you playing '%s' published by '%s'", smdh.getTitle(), smdh.getPublisher()));
GameMetadata game = GameUtils.getCurrentGame();
GameUtils.removeGame(game);
GameUtils.addGame(GameMetadata.applySMDH(game, smdh));
}
}

public void onDrawFrame(GL10 unused) {
if (AlberDriver.HasRomLoaded()) {
AlberDriver.RunFrame(screenFbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBindFramebuffer(GL_READ_FRAMEBUFFER, screenFbo);

Rect topScreen = displayLayout.getTopDisplayBounds();
Rect bottomScreen = displayLayout.getBottomDisplayBounds();

glBlitFramebuffer(
0, Constants.N3DS_FULL_HEIGHT, Constants.N3DS_WIDTH, Constants.N3DS_HALF_HEIGHT, topScreen.left, screenHeight - topScreen.top,
topScreen.right, screenHeight - topScreen.bottom, GL_COLOR_BUFFER_BIT, GL_LINEAR
);

// Remove the black bars on the bottom screen
glBlitFramebuffer(
40, Constants.N3DS_HALF_HEIGHT, Constants.N3DS_WIDTH - 40, 0, bottomScreen.left, screenHeight - bottomScreen.top, bottomScreen.right,
screenHeight - bottomScreen.bottom, GL_COLOR_BUFFER_BIT, GL_LINEAR
);
}
}

public void onSurfaceChanged(GL10 unused, int width, int height) {
screenWidth = width;
screenHeight = height;

displayLayout.update(screenWidth, screenHeight);
}

@Override
public void setLayout(ConsoleLayout layout) {
displayLayout = layout;
displayLayout.setTopDisplaySourceSize(Constants.N3DS_WIDTH, Constants.N3DS_HALF_HEIGHT);
displayLayout.setBottomDisplaySourceSize(Constants.N3DS_WIDTH - 40 - 40, Constants.N3DS_HALF_HEIGHT);
displayLayout.update(screenWidth, screenHeight);
}

@Override
public ConsoleLayout getLayout() {
return displayLayout;
}

@Override
public String getBackendName() {
return "OpenGL";
}
}
private final String romPath;
private ConsoleLayout displayLayout;
private int screenWidth, screenHeight;
private int screenTexture;
private int screenFbo;

PandaGlRenderer(String romPath) {
super();
this.romPath = romPath;

screenWidth = Resources.getSystem().getDisplayMetrics().widthPixels;
screenHeight = Resources.getSystem().getDisplayMetrics().heightPixels;
setLayout(new DefaultScreenLayout());
}

@Override
public void finalize() throws Throwable {
cleanupOpenGLResources();
super.finalize();
}

private void cleanupOpenGLResources() {
if (screenTexture != 0) {
GLES30.glDeleteTextures(1, new int[]{screenTexture}, 0);
}
if (screenFbo != 0) {
GLES30.glDeleteFramebuffers(1, new int[]{screenFbo}, 0);
}
}

private void checkOpenGLError() {
int error = GLES30.glGetError();
if (error != GLES30.GL_NO_ERROR) {
Log.e(Constants.LOG_TAG, "OpenGL error: " + error);
}
}

private void createFramebuffer() {
int[] generateBuffer = new int[1];
GLES30.glGenTextures(1, generateBuffer, 0);
screenTexture = generateBuffer[0];
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, screenTexture);
GLES30.glTexStorage2D(GLES30.GL_TEXTURE_2D, 1, GLES30.GL_RGBA8, screenWidth, screenHeight);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MIN_FILTER, GLES30.GL_NEAREST);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MAG_FILTER, GLES30.GL_NEAREST);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, 0);

GLES30.glGenFramebuffers(1, generateBuffer, 0);
screenFbo = generateBuffer[0];
GLES30.glBindFramebuffer(GLES30.GL_FRAMEBUFFER, screenFbo);
GLES30.glFramebufferTexture2D(GLES30.GL_FRAMEBUFFER, GLES30.GL_COLOR_ATTACHMENT0, GLES30.GL_TEXTURE_2D, screenTexture, 0);
if (GLES30.glCheckFramebufferStatus(GLES30.GL_FRAMEBUFFER) != GLES30.GL_FRAMEBUFFER_COMPLETE) {
Log.e(Constants.LOG_TAG, "Framebuffer is not complete");
}
GLES30.glBindFramebuffer(GLES30.GL_FRAMEBUFFER, 0);
}

public void onSurfaceCreated(GL10 unused, EGLConfig config) {
Log.i(Constants.LOG_TAG, GLES30.glGetString(GLES30.GL_EXTENSIONS));
Log.w(Constants.LOG_TAG, GLES30.glGetString(GLES30.GL_VERSION));

int[] version = new int[2];
GLES30.glGetIntegerv(GLES30.GL_MAJOR_VERSION, version, 0);
GLES30.glGetIntegerv(GLES30.GL_MINOR_VERSION, version, 1);

if (version[0] < 3 || (version[0] == 3 && version[1] < 1)) {
Log.e(Constants.LOG_TAG, "OpenGL 3.1 or higher is required");
}

GLES30.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT);

createFramebuffer();

AlberDriver.Initialize();
AlberDriver.LoadRom(romPath);

// Load the SMDH
byte[] smdhData = AlberDriver.GetSmdh();
if (smdhData.length == 0) {
Log.w(Constants.LOG_TAG, "Failed to load SMDH");
} else {
SMDH smdh = new SMDH(smdhData);
Log.i(Constants.LOG_TAG, "Loaded rom SDMH");
Log.i(Constants.LOG_TAG, String.format("Are you playing '%s' published by '%s'", smdh.getTitle(), smdh.getPublisher()));
GameMetadata game = GameUtils.getCurrentGame();
GameUtils.removeGame(game);
GameUtils.addGame(GameMetadata.applySMDH(game, smdh));
}
}

public void onDrawFrame(GL10 unused) {
if (AlberDriver.HasRomLoaded()) {
AlberDriver.RunFrame(screenFbo);
GLES30.glBindFramebuffer(GLES30.GL_DRAW_FRAMEBUFFER, 0);
GLES30.glBindFramebuffer(GLES30.GL_READ_FRAMEBUFFER, screenFbo);

Rect topScreen = displayLayout.getTopDisplayBounds();
Rect bottomScreen = displayLayout.getBottomDisplayBounds();

GLES30.glBlitFramebuffer(
0, Constants.N3DS_FULL_HEIGHT, Constants.N3DS_WIDTH, Constants.N3DS_HALF_HEIGHT,
topScreen.left, screenHeight - topScreen.top, topScreen.right, screenHeight - topScreen.bottom,
GLES30.GL_COLOR_BUFFER_BIT, GLES30.GL_LINEAR
);

// Remove the black bars on the bottom screen
GLES30.glBlitFramebuffer(
40, Constants.N3DS_HALF_HEIGHT, Constants.N3DS_WIDTH - 40, 0,
bottomScreen.left, screenHeight - bottomScreen.top, bottomScreen.right, screenHeight - bottomScreen.bottom,
GLES30.GL_COLOR_BUFFER_BIT, GLES30.GL_LINEAR
);

checkOpenGLError();
}
}

public void onSurfaceChanged(GL10 unused, int width, int height) {
screenWidth = width;
screenHeight = height;

displayLayout.update(screenWidth, screenHeight);
}

@Override
public void setLayout(ConsoleLayout layout) {
displayLayout = layout;
displayLayout.setTopDisplaySourceSize(Constants.N3DS_WIDTH, Constants.N3DS_HALF_HEIGHT);
displayLayout.setBottomDisplaySourceSize(Constants.N3DS_WIDTH - 40 - 40, Constants.N3DS_HALF_HEIGHT);
displayLayout.update(screenWidth, screenHeight);
}

@Override
public ConsoleLayout getLayout() {
return displayLayout;
}

@Override
public String getBackendName() {
return "OpenGL";
}
}

0 comments on commit 1d57fe4

Please sign in to comment.