bool OpenGLRenderVertexBuffer::initialize( ServiceProviderInterface * _serviceProvider, uint32_t _vertexNum, bool _dynamic )
{
m_serviceProvider = _serviceProvider;
m_memory = Helper::allocateMemory<RenderVertex2D>( _vertexNum );
m_vertexNum = _vertexNum;
m_usage = GL_STATIC_DRAW;
if( _dynamic == true )
{
m_usage = GL_DYNAMIC_DRAW;
}
GLuint bufId = 0;
GLCALL( m_serviceProvider, glGenBuffers, (1, &bufId) );
GLCALL( m_serviceProvider, glBindBuffer, (GL_ARRAY_BUFFER, bufId) );
GLCALL( m_serviceProvider, glBufferData, (GL_ARRAY_BUFFER, m_vertexNum * sizeof( RenderVertex2D ), nullptr, m_usage) );
GLCALL( m_serviceProvider, glBindBuffer, (GL_ARRAY_BUFFER, 0) );
m_id = bufId;
return true;
}
void OSystem_Android::clearScreen(FixupType type, byte count) {
assert(count > 0);
bool sm = _show_mouse;
_show_mouse = false;
GLCALL(glDisable(GL_SCISSOR_TEST));
for (byte i = 0; i < count; ++i) {
// clear screen
GLCALL(glClearColorx(0, 0, 0, 1 << 16));
GLCALL(glClear(GL_COLOR_BUFFER_BIT));
switch (type) {
case kClear:
break;
case kClearSwap:
JNI::swapBuffers();
break;
case kClearUpdate:
_force_redraw = true;
updateScreen();
break;
}
}
if (!_show_overlay)
GLCALL(glEnable(GL_SCISSOR_TEST));
_show_mouse = sm;
_force_redraw = true;
}
void RenderScene::RenderScene(RenderLists* renderLists, Camera* camera) {
#ifdef PLATFORM_IOS
GLCALL(glGetIntegerv, GL_FRAMEBUFFER_BINDING, &g_default_fbo);
#endif
GLCALL(glBindFramebuffer, GL_FRAMEBUFFER, SCREEN_FRAME_BUFFER /* default window framebuffer */);
renderLists->Draw(camera, false, DISTANCE_FROM_CAMERA_COMPARE_TYPE_ortho_z);
}
void Texture::MakeActive(unsigned int slot){
if(slot < GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS){
boundTo = GL_TEXTURE0 + slot;
GLCALL(glActiveTexture(boundTo));
GLCALL(glBindTexture(type, buffer));
}
}
void OpenGLGraphicsManager::updateScreen() {
if (!_gameScreen) {
return;
}
// Clear the screen buffer
GLCALL(glClear(GL_COLOR_BUFFER_BIT));
const GLfloat shakeOffset = _gameScreenShakeOffset * (GLfloat)_displayHeight / _gameScreen->getHeight();
// First step: Draw the (virtual) game screen.
_gameScreen->draw(_displayX, _displayY + shakeOffset, _displayWidth, _displayHeight);
// Second step: Draw the overlay if visible.
if (_overlayVisible) {
_overlay->draw(0, 0, _outputScreenWidth, _outputScreenHeight);
}
// Third step: Draw the cursor if visible.
if (_cursorVisible && _cursor) {
// Adjust game screen shake position, but only when the overlay is not
// visible.
const GLfloat cursorOffset = _overlayVisible ? 0 : shakeOffset;
_cursor->draw(_cursorX - _cursorHotspotXScaled, _cursorY - _cursorHotspotYScaled + cursorOffset,
_cursorWidthScaled, _cursorHeightScaled);
}
#ifdef USE_OSD
// Fourth step: Draw the OSD.
if (_osdAlpha > 0) {
Common::StackLock lock(_osdMutex);
// Update alpha value.
const int diff = g_system->getMillis(false) - _osdFadeStartTime;
if (diff > 0) {
if (diff >= kOSDFadeOutDuration) {
// Back to full transparency.
_osdAlpha = 0;
} else {
// Do a fade out.
_osdAlpha = kOSDInitialAlpha - diff * kOSDInitialAlpha / kOSDFadeOutDuration;
}
}
// Set the OSD transparency.
GLCALL(glColor4f(1.0f, 1.0f, 1.0f, _osdAlpha / 100.0f));
// Draw the OSD texture.
_osd->draw(0, 0, _outputScreenWidth, _outputScreenHeight);
// Reset color.
GLCALL(glColor4f(1.0f, 1.0f, 1.0f, 1.0f));
}
#endif
}
void GraphicsComponent::Render(int){
EntitySpecificShaderSetup();
GLCALL(glBindVertexArray(vao_ID));
if(!usesElements){
GLCALL(glDrawArrays(primMode, 0, numElements));
}
else{
GLCALL(glDrawElements(primMode, numElements, GL_UNSIGNED_INT, (void*)0));
}
GLCALL(glBindVertexArray(0));
}
bool OpenGLRenderVertexBuffer::unlock()
{
GLCALL( m_serviceProvider, glBindBuffer, (GL_ARRAY_BUFFER, m_id) );
GLCALL( m_serviceProvider, glBufferSubData, (GL_ARRAY_BUFFER, m_lockOffset * sizeof( RenderVertex2D ), m_lockCount * sizeof( RenderVertex2D ), m_lockMemory) );
GLCALL( m_serviceProvider, glBindBuffer, (GL_ARRAY_BUFFER, 0) );
m_lockOffset = 0;
m_lockCount = 0;
m_lockMemory = nullptr;
m_lockFlags = BLF_LOCK_NONE;
return true;
}
int
sage_bind (sageContext *ctx, void *win, int width, int height)
{
if (hardware < 0) {
return -1;
}
if (ctx == NULL || win == NULL) {
if (current != NULL) {
/* unbind */
current = NULL;
}
return 0;
}
if (ctx == current) {
if (win == current->drawable) {
/* nop */
return 0;
}
/* rebind */
}
ctx->drawable = win;
current = ctx;
GLCALL(Viewport)(0, 0, width, height);
return 0;
}
void OSystem_Android::initViewport() {
LOGD("initializing viewport");
assert(JNI::haveSurface());
GLCALL(glDisable(GL_CULL_FACE));
GLCALL(glDisable(GL_DEPTH_TEST));
GLCALL(glEnable(GL_BLEND));
GLCALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
GLCALL(glViewport(0, 0, _egl_surface_width, _egl_surface_height));
LOGD("viewport size: %dx%d", _egl_surface_width, _egl_surface_height);
clearFocusRectangle();
}
MarmaladeRenderProgram::~MarmaladeRenderProgram()
{
if( m_program != 0 )
{
GLCALL( m_serviceProvider, glDeleteProgram, (m_program) );
m_program = 0;
}
}
OpenGLRenderVertexBuffer::~OpenGLRenderVertexBuffer()
{
if( m_id != 0 )
{
GLCALL( m_serviceProvider, glDeleteBuffers, (1, &m_id) );
}
Helper::freeMemory( m_memory );
}
void OpenGLGraphicsManager::saveScreenshot(const Common::String &filename) const {
const uint width = _outputScreenWidth;
const uint height = _outputScreenHeight;
// A line of a BMP image must have a size divisible by 4.
// We calculate the padding bytes needed here.
// Since we use a 3 byte per pixel mode, we can use width % 4 here, since
// it is equal to 4 - (width * 3) % 4. (4 - (width * Bpp) % 4, is the
// usual way of computing the padding bytes required).
const uint linePaddingSize = width % 4;
const uint lineSize = width * 3 + linePaddingSize;
// Allocate memory for screenshot
uint8 *pixels = new uint8[lineSize * height];
// Get pixel data from OpenGL buffer
GLCALL(glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixels));
// BMP stores as BGR. Since we can't assume that GL_BGR is supported we
// will swap the components from the RGB we read to BGR on our own.
for (uint y = height; y-- > 0;) {
uint8 *line = pixels + y * lineSize;
for (uint x = width; x > 0; --x, line += 3) {
SWAP(line[0], line[2]);
}
}
// Open file
Common::DumpFile out;
out.open(filename);
// Write BMP header
out.writeByte('B');
out.writeByte('M');
out.writeUint32LE(height * lineSize + 54);
out.writeUint32LE(0);
out.writeUint32LE(54);
out.writeUint32LE(40);
out.writeUint32LE(width);
out.writeUint32LE(height);
out.writeUint16LE(1);
out.writeUint16LE(24);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
// Write pixel data to BMP
out.write(pixels, lineSize * height);
// Free allocated memory
delete[] pixels;
}
void Texture::SetStorage(int width, int height, int depth, int levels){
switch(type){
case TT_GL_TEXTURE_1D:
GLCALL(glTexStorage1D(type, levels, format, width));
break;
case TT_GL_TEXTURE_2D:
case TT_GL_TEXTURE_1D_ARRAY:
case TT_GL_TEXTURE_RECTANGLE:
case TT_GL_TEXTURE_CUBE_MAP:
GLCALL(glTexStorage2D(type, levels, format, width, height));
break;
case TT_GL_TEXTURE_3D:
case TT_GL_TEXTURE_2D_ARRAY:
case TT_GL_TEXTURE_CUBE_MAP_ARRAY:
GLCALL(glTexStorage3D(type, levels, format, width, height, depth));
break;
}
}
void GraphicsContext::RenderPass(int pass, ShaderProgram* defaultShader, Camera* cam){
GLCALL(glViewport(0,0, windowWidth, windowHeight));
//Set RenderTarget
GLCALL(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT));
//Need a constant buffer for Camera shtuff
if(cam != NULL)
cam->SetCurrent();
if(defaultShader != NULL){
defaultShader->Bind();
defaultShaderForPass = defaultShader;
}
for( auto it = entitiesPerPass[pass].begin(); it != entitiesPerPass[pass].end(); it++){
(*it)->Render(pass);
}
if(pass == numPasses-1)
SwapBuffers(hdc);
}
void OSystem_Android::showOverlay() {
ENTER();
_show_overlay = true;
_force_redraw = true;
updateEventScale();
warpMouse(_overlay_texture->width() / 2, _overlay_texture->height() / 2);
GLCALL(glDisable(GL_SCISSOR_TEST));
}
void WaterRenderer::Draw() {
ShaderSet* currentShaderSet = FRAMEWORK->GetOpenGLWrapper()->GetCurrentShaderSet();
if (currentShaderSet->HasHandle(SHADER_VARIABLE_VARIABLENAME_scrolling_uv_offset)) {
GLint scrolling_uv_offset_handle = currentShaderSet->GetHandle(SHADER_VARIABLE_VARIABLENAME_scrolling_uv_offset);
GLCALL(glUniform1f, scrolling_uv_offset_handle, this->scrollingUVsOffset);
}
if (this->secondaryTexture) {
this->secondaryTexture->Draw(2);
}
MeshRenderer::Draw();
}
void OSystem_Android::hideOverlay() {
ENTER();
_show_overlay = false;
updateEventScale();
warpMouse(_game_texture->width() / 2, _game_texture->height() / 2);
// double buffered, flip twice
clearScreen(kClearUpdate, 2);
GLCALL(glEnable(GL_SCISSOR_TEST));
}
void MarmaladeRenderProgram::bindTexture( uint32_t _index ) const
{
if( _index >= m_samplerCount )
{
LOGGER_ERROR( m_serviceProvider )("MarmaladeProgram::bindTexture %s invalid support sampler count %d max %d"
, m_name.c_str()
, _index
, m_samplerCount
);
return;
}
int location = m_samplerLocation[_index];
GLCALL( m_serviceProvider, glUniform1i, (location, _index) );
}
void Texture::GiveData(TexData &toGive){
GLCALL(glBindTexture(type, buffer));
switch(type){
case TT_GL_TEXTURE_1D:
GLCALL(glTexImage1D(type, toGive.level, format, toGive.width, 0, toGive.format, toGive.type, toGive.data));
break;
case TT_GL_TEXTURE_2D:
case TT_GL_TEXTURE_1D_ARRAY:
case TT_GL_TEXTURE_RECTANGLE:
GLCALL(glTexImage2D(type, toGive.level, format, toGive.width, toGive.height, 0, toGive.format, toGive.type, toGive.data));
break;
case TT_GL_TEXTURE_CUBE_MAP:
GLCALL(glTexImage2D(toGive.target, toGive.level, format, toGive.width, toGive.height, 0, toGive.format, toGive.type, toGive.data));
break;
case TT_GL_TEXTURE_3D:
case TT_GL_TEXTURE_2D_ARRAY:
case TT_GL_TEXTURE_CUBE_MAP_ARRAY:
GLCALL(glTexImage3D(type, toGive.level, format, toGive.width, toGive.height, toGive.depth, 0, toGive.format, toGive.type, toGive.data));
break;
}
GLCALL(glBindTexture(type, 0));
}
void OpenGLGraphicsManager::notifyContextCreate(const Graphics::PixelFormat &defaultFormat, const Graphics::PixelFormat &defaultFormatAlpha) {
// Initialize all extensions.
initializeGLExtensions();
// Disable 3D properties.
GLCALL(glDisable(GL_CULL_FACE));
GLCALL(glDisable(GL_DEPTH_TEST));
GLCALL(glDisable(GL_LIGHTING));
GLCALL(glDisable(GL_FOG));
GLCALL(glDisable(GL_DITHER));
GLCALL(glShadeModel(GL_FLAT));
GLCALL(glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST));
// Default to black as clear color.
GLCALL(glClearColor(0.0f, 0.0f, 0.0f, 0.0f));
GLCALL(glColor4f(1.0f, 1.0f, 1.0f, 1.0f));
// Setup alpha blend (for overlay and cursor).
GLCALL(glEnable(GL_BLEND));
GLCALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
// Enable rendering with vertex and coord arrays.
GLCALL(glEnableClientState(GL_VERTEX_ARRAY));
GLCALL(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
GLCALL(glEnable(GL_TEXTURE_2D));
// We use a "pack" alignment (when reading from textures) to 4 here,
// since the only place where we really use it is the BMP screenshot
// code and that requires the same alignment too.
GLCALL(glPixelStorei(GL_PACK_ALIGNMENT, 4));
// Query information needed by textures.
Texture::queryTextureInformation();
// Refresh the output screen dimensions if some are set up.
if (_outputScreenWidth != 0 && _outputScreenHeight != 0) {
setActualScreenSize(_outputScreenWidth, _outputScreenHeight);
}
// TODO: Should we try to convert textures into one of those formats if
// possible? For example, when _gameScreen is CLUT8 we might want to use
// defaultFormat now.
_defaultFormat = defaultFormat;
_defaultFormatAlpha = defaultFormatAlpha;
if (_gameScreen) {
_gameScreen->recreateInternalTexture();
}
if (_overlay) {
_overlay->recreateInternalTexture();
}
if (_cursor) {
_cursor->recreateInternalTexture();
}
#ifdef USE_OSD
if (_osd) {
_osd->recreateInternalTexture();
}
#endif
}
void OSystem_Android::updateScreen() {
//ENTER();
GLTHREADCHECK;
if (!JNI::haveSurface())
return;
if (_game_pbuf) {
int pitch = _game_texture->width() * _game_texture->getPixelFormat().bytesPerPixel;
_game_texture->updateBuffer(0, 0, _game_texture->width(), _game_texture->height(),
_game_pbuf.getRawBuffer(), pitch);
}
if (!_force_redraw &&
!_game_texture->dirty() &&
!_overlay_texture->dirty() &&
!_mouse_texture->dirty())
return;
_force_redraw = false;
if (_frame_buffer) {
_frame_buffer->detach();
glViewport(0,0, _egl_surface_width, _egl_surface_height);
}
// clear pointer leftovers in dead areas
clearScreen(kClear);
// TODO this doesnt work on those sucky drivers, do it differently
// if (_show_overlay)
// GLCALL(glColor4ub(0x9f, 0x9f, 0x9f, 0x9f));
if (true || _focus_rect.isEmpty()) {
_game_texture->drawTextureRect();
drawVirtControls();
} else {
// TODO what is this and do we have engines using it?
#if 0
GLCALL(glPushMatrix());
GLCALL(glScalex(xdiv(_egl_surface_width, _focus_rect.width()),
xdiv(_egl_surface_height, _focus_rect.height()),
1 << 16));
GLCALL(glTranslatex(-_focus_rect.left << 16,
-_focus_rect.top << 16, 0));
GLCALL(glScalex(xdiv(_game_texture->width(), _egl_surface_width),
xdiv(_game_texture->height(), _egl_surface_height),
1 << 16));
_game_texture->drawTextureRect();
GLCALL(glPopMatrix());
#endif
}
int cs = _mouse_targetscale;
if (_show_overlay) {
// TODO see above
// GLCALL(glColor4ub(0xff, 0xff, 0xff, 0xff));
// ugly, but the modern theme sets a wacko factor, only god knows why
cs = 1;
GLCALL(_overlay_texture->drawTextureRect());
}
if (_show_mouse && !_mouse_texture->isEmpty()) {
const Common::Point &mouse = getEventManager()->getMousePos();
if (_show_overlay) {
_mouse_texture->drawTexture(mouse.x * cs, mouse.y * cs, _mouse_texture->width(), _mouse_texture->height());
}
// TODO: Port the non-overlay code as well?
#if 0
if (_show_overlay) {
} else {
const Common::Rect &r = _game_texture->getDrawRect();
GLCALL(glTranslatex(r.left << 16,
r.top << 16,
0));
GLCALL(glScalex(xdiv(r.width(), _game_texture->width()),
xdiv(r.height(), _game_texture->height()),
1 << 16));
}
GLCALL(glTranslatex((-_mouse_hotspot.x * cs) << 16,
(-_mouse_hotspot.y * cs) << 16,
0));
#endif
}
if (!JNI::swapBuffers())
LOGW("swapBuffers failed: 0x%x", glGetError());
if (_frame_buffer)
_frame_buffer->attach();
}
void RenderScene::SetupStuff() {
GLCALL(glEnable, GL_DEPTH_TEST);
#ifdef PLATFORM_IOS
GLCALL(glGetIntegerv, GL_FRAMEBUFFER_BINDING, &g_default_fbo);
#endif
// Create a frame buffer object:
GLCALL(glGenFramebuffers, 1, &g_depth_fbo_id);
GLCALL(glBindFramebuffer, GL_FRAMEBUFFER, g_depth_fbo_id);
// Create a render buffer
GLCALL(glGenRenderbuffers, 1, &renderBuffer);
GLCALL(glBindRenderbuffer, GL_RENDERBUFFER, renderBuffer);
unsigned int depthMap_width, depthMap_height;
ENGINE->GetShadowMap()->GetDepthMapResolution(depthMap_width, depthMap_height);
// Create a depth texture:
GLCALL(glGenTextures, 1, &ENGINE->GetShadowMap()->depthTexture);
GLCALL(glActiveTexture, GL_TEXTURE2);
GLCALL(glBindTexture, GL_TEXTURE_2D, ENGINE->GetShadowMap()->depthTexture);
GLCALL(glTexImage2D, GL_TEXTURE_2D, 0, GL_RGBA, depthMap_width, depthMap_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
//
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
GLCALL(glFramebufferTexture2D, GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, ENGINE->GetShadowMap()->depthTexture, 0);
// Allocate 16-bit depth buffer
GLCALL(glRenderbufferStorage, GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, depthMap_width, depthMap_height);
// Attach the render buffer as depth buffer - will be ignored
GLCALL(glFramebufferRenderbuffer, GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, renderBuffer);
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) { // GLCALL
ASSERT(0, "Framebuffer OK");
}
#if MULTISAMPLING_ENABLED
//Generate our MSAA Frame and Render buffers
glGenFramebuffers(1, &msaaFramebuffer);
glGenRenderbuffers(1, &msaaRenderBuffer);
//Bind our MSAA buffers
glBindFramebuffer(GL_FRAMEBUFFER, msaaFramebuffer);
glBindRenderbuffer(GL_RENDERBUFFER, msaaRenderBuffer);
unsigned int numSamples = 4;
// Generate the msaaDepthBuffer.
// numSamples will be the number of pixels that the MSAA buffer will use in order to make one pixel on the render buffer.
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, numSamples, GL_RGB5_A1, FRAMEWORK->GetDeviceProperties()->GetWidthPixels(), FRAMEWORK->GetDeviceProperties()->GetHeightPixels());
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, msaaRenderBuffer);
glGenRenderbuffers(1, &msaaDepthBuffer);
//Bind the msaa depth buffer.
glBindRenderbuffer(GL_RENDERBUFFER, msaaDepthBuffer);
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, numSamples, GL_DEPTH_COMPONENT16, FRAMEWORK->GetDeviceProperties()->GetWidthPixels() , FRAMEWORK->GetDeviceProperties()->GetHeightPixels());
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, msaaDepthBuffer);
#endif
}
void OSystem_Android::updateScreen() {
//ENTER();
GLTHREADCHECK;
if (!JNI::haveSurface())
return;
if (!_force_redraw &&
!_game_texture->dirty() &&
!_overlay_texture->dirty() &&
!_mouse_texture->dirty())
return;
_force_redraw = false;
// clear pointer leftovers in dead areas
// also, HTC's GLES drivers are made of fail and don't preserve the buffer
// ( http://www.khronos.org/registry/egl/specs/EGLTechNote0001.html )
if ((_show_overlay || _htc_fail) && !_fullscreen)
clearScreen(kClear);
GLCALL(glPushMatrix());
if (_shake_offset != 0 ||
(!_focus_rect.isEmpty() &&
!Common::Rect(_game_texture->width(),
_game_texture->height()).contains(_focus_rect))) {
// These are the only cases where _game_texture doesn't
// cover the entire screen.
clearScreen(kClear);
// Move everything up by _shake_offset (game) pixels
GLCALL(glTranslatex(0, -_shake_offset << 16, 0));
}
// TODO this doesn't work on those sucky drivers, do it differently
// if (_show_overlay)
// GLCALL(glColor4ub(0x9f, 0x9f, 0x9f, 0x9f));
if (_focus_rect.isEmpty()) {
_game_texture->drawTextureRect();
} else {
GLCALL(glPushMatrix());
GLCALL(glScalex(xdiv(_egl_surface_width, _focus_rect.width()),
xdiv(_egl_surface_height, _focus_rect.height()),
1 << 16));
GLCALL(glTranslatex(-_focus_rect.left << 16,
-_focus_rect.top << 16, 0));
GLCALL(glScalex(xdiv(_game_texture->width(), _egl_surface_width),
xdiv(_game_texture->height(), _egl_surface_height),
1 << 16));
_game_texture->drawTextureRect();
GLCALL(glPopMatrix());
}
int cs = _mouse_targetscale;
if (_show_overlay) {
// TODO see above
// GLCALL(glColor4ub(0xff, 0xff, 0xff, 0xff));
// ugly, but the modern theme sets a wacko factor, only god knows why
cs = 1;
GLCALL(_overlay_texture->drawTextureRect());
}
if (_show_mouse && !_mouse_texture->isEmpty()) {
GLCALL(glPushMatrix());
const Common::Point &mouse = getEventManager()->getMousePos();
// Scale up ScummVM -> OpenGL (pixel) coordinates
if (_show_overlay) {
GLCALL(glScalex(xdiv(_egl_surface_width,
_overlay_texture->width()),
xdiv(_egl_surface_height,
_overlay_texture->height()),
1 << 16));
} else {
const Common::Rect &r = _game_texture->getDrawRect();
GLCALL(glTranslatex(r.left << 16,
r.top << 16,
0));
GLCALL(glScalex(xdiv(r.width(), _game_texture->width()),
xdiv(r.height(), _game_texture->height()),
1 << 16));
}
GLCALL(glTranslatex((-_mouse_hotspot.x * cs) << 16,
(-_mouse_hotspot.y * cs) << 16,
0));
// Note the extra half texel to position the mouse in
// the middle of the x,y square:
GLCALL(glTranslatex((mouse.x << 16) | 1 << 15,
(mouse.y << 16) | 1 << 15, 0));
GLCALL(glScalex(cs << 16, cs << 16, 1 << 16));
_mouse_texture->drawTextureOrigin();
GLCALL(glPopMatrix());
}
GLCALL(glPopMatrix());
if (!JNI::swapBuffers())
LOGW("swapBuffers failed: 0x%x", glGetError());
}
void OpenGLGraphicsManager::setActualScreenSize(uint width, uint height) {
_outputScreenWidth = width;
_outputScreenHeight = height;
// Setup coordinates system.
GLCALL(glViewport(0, 0, _outputScreenWidth, _outputScreenHeight));
GLCALL(glMatrixMode(GL_PROJECTION));
GLCALL(glLoadIdentity());
#ifdef USE_GLES
GLCALL(glOrthof(0, _outputScreenWidth, _outputScreenHeight, 0, -1, 1));
#else
GLCALL(glOrtho(0, _outputScreenWidth, _outputScreenHeight, 0, -1, 1));
#endif
GLCALL(glMatrixMode(GL_MODELVIEW));
GLCALL(glLoadIdentity());
uint overlayWidth = width;
uint overlayHeight = height;
// WORKAROUND: We can only support surfaces up to the maximum supported
// texture size. Thus, in case we encounter a physical size bigger than
// this maximum texture size we will simply use an overlay as big as
// possible and then scale it to the physical display size. This sounds
// bad but actually all recent chips should support full HD resolution
// anyway. Thus, it should not be a real issue for modern hardware.
if ( overlayWidth > (uint)Texture::getMaximumTextureSize()
|| overlayHeight > (uint)Texture::getMaximumTextureSize()) {
const frac_t outputAspect = intToFrac(_outputScreenWidth) / _outputScreenHeight;
if (outputAspect > (frac_t)FRAC_ONE) {
overlayWidth = Texture::getMaximumTextureSize();
overlayHeight = intToFrac(overlayWidth) / outputAspect;
} else {
overlayHeight = Texture::getMaximumTextureSize();
overlayWidth = fracToInt(overlayHeight * outputAspect);
}
}
// HACK: We limit the minimal overlay size to 256x200, which is the
// minimum of the dimensions of the two resolutions 256x240 (NES) and
// 320x200 (many DOS games use this). This hopefully assure that our
// GUI has working layouts.
overlayWidth = MAX<uint>(overlayWidth, 256);
overlayHeight = MAX<uint>(overlayHeight, 200);
if (!_overlay || _overlay->getFormat() != _defaultFormatAlpha) {
delete _overlay;
_overlay = nullptr;
_overlay = createTexture(_defaultFormatAlpha);
assert(_overlay);
// We always filter the overlay with GL_LINEAR. This assures it's
// readable in case it needs to be scaled and does not affect it
// otherwise.
_overlay->enableLinearFiltering(true);
}
_overlay->allocate(overlayWidth, overlayHeight);
_overlay->fill(0);
#ifdef USE_OSD
if (!_osd || _osd->getFormat() != _defaultFormatAlpha) {
delete _osd;
_osd = nullptr;
_osd = createTexture(_defaultFormatAlpha);
assert(_osd);
// We always filter the osd with GL_LINEAR. This assures it's
// readable in case it needs to be scaled and does not affect it
// otherwise.
_osd->enableLinearFiltering(true);
}
_osd->allocate(_overlay->getWidth(), _overlay->getHeight());
_osd->fill(0);
#endif
// Re-setup the scaling for the screen and cursor
recalculateDisplayArea();
recalculateCursorScaling();
// Something changed, so update the screen change ID.
++_screenChangeID;
}
void OSystem_Android::initViewport() {
LOGD("initializing viewport");
assert(JNI::haveSurface());
// Turn off anything that looks like 3D ;)
GLCALL(glDisable(GL_CULL_FACE));
GLCALL(glDisable(GL_DEPTH_TEST));
GLCALL(glDisable(GL_LIGHTING));
GLCALL(glDisable(GL_FOG));
GLCALL(glDisable(GL_DITHER));
GLCALL(glShadeModel(GL_FLAT));
GLCALL(glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST));
GLCALL(glEnable(GL_BLEND));
GLCALL(glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
GLCALL(glEnableClientState(GL_VERTEX_ARRAY));
GLCALL(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
GLCALL(glEnable(GL_TEXTURE_2D));
GLCALL(glViewport(0, 0, _egl_surface_width, _egl_surface_height));
GLCALL(glMatrixMode(GL_PROJECTION));
GLCALL(glLoadIdentity());
GLCALL(glOrthof(0, _egl_surface_width, _egl_surface_height, 0, -1, 1));
GLCALL(glMatrixMode(GL_MODELVIEW));
GLCALL(glLoadIdentity());
clearFocusRectangle();
}
bool MarmaladeRenderProgram::initialize( const ConstString & _name, const MarmaladeRenderVertexShaderPtr & _vertexShader, const MarmaladeRenderFragmentShaderPtr & _fragmentShader, uint32_t _samplerCount )
{
m_name = _name;
m_samplerCount = _samplerCount;
if( m_samplerCount > MENGE_MAX_TEXTURE_STAGES )
{
LOGGER_ERROR( m_serviceProvider )("MarmaladeProgram::initialize %s don't support sampler count %d max %d"
, _name.c_str()
, m_samplerCount
, MENGE_MAX_TEXTURE_STAGES
);
return false;
}
GLuint program;
GLCALLR( m_serviceProvider, program, glCreateProgram, () );
if( program == 0 )
{
LOGGER_ERROR( m_serviceProvider )("MarmaladeProgram::initialize %s invalid create program"
, _name.c_str()
);
return false;
}
if( _vertexShader != nullptr )
{
m_vertexShader = _vertexShader;
m_vertexShader->attach( program );
}
if( _fragmentShader != nullptr )
{
m_fragmentShader = _fragmentShader;
m_fragmentShader->attach( program );
}
GLCALL( m_serviceProvider, glBindAttribLocation, ( program, VERTEX_POSITION_ARRAY, "inVert" ) );
GLCALL( m_serviceProvider, glBindAttribLocation, ( program, VERTEX_COLOR_ARRAY, "inCol" ) );
for( uint32_t i = 0; i != MENGINE_RENDER_VERTEX_UV_COUNT; ++i )
{
char attrib[16];
sprintf( attrib, "inUV%d", i );
GLCALL( m_serviceProvider, glBindAttribLocation, (program, VERTEX_UV0_ARRAY + i, attrib) );
}
GLCALL( m_serviceProvider, glLinkProgram, ( program ) );
GLint linked;
GLCALL( m_serviceProvider, glGetProgramiv, ( program, GL_LINK_STATUS, &linked ) );
if( linked == GL_FALSE )
{
GLchar errorLog[1024] = {0};
GLCALL( m_serviceProvider, glGetProgramInfoLog, ( program, 1023, NULL, errorLog ) );
LOGGER_ERROR( m_serviceProvider )("MarmaladeProgram::shaderProgram - shader linking error '%s'"
, errorLog
);
return false;
}
int transformLocation;
GLCALLR( m_serviceProvider, transformLocation, glGetUniformLocation, (program, "mvpMat") );
m_transformLocation = transformLocation;
for( uint32_t index = 0; index != m_samplerCount; ++index )
{
char samplerVar[16];
sprintf( samplerVar, "inSampler%d", index );
int location;
GLCALLR( m_serviceProvider, location, glGetUniformLocation, (program, samplerVar) );
m_samplerLocation[index] = location;
}
m_program = program;
return true;
}
bool OpenGLGraphicsManager::getGLPixelFormat(const Graphics::PixelFormat &pixelFormat, GLenum &glIntFormat, GLenum &glFormat, GLenum &glType) const {
#ifdef SCUMM_LITTLE_ENDIAN
if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24)) { // ABGR8888
#else
if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)) { // RGBA8888
#endif
glIntFormat = GL_RGBA;
glFormat = GL_RGBA;
glType = GL_UNSIGNED_BYTE;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0)) { // RGB565
glIntFormat = GL_RGB;
glFormat = GL_RGB;
glType = GL_UNSIGNED_SHORT_5_6_5;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 5, 5, 5, 1, 11, 6, 1, 0)) { // RGBA5551
glIntFormat = GL_RGBA;
glFormat = GL_RGBA;
glType = GL_UNSIGNED_SHORT_5_5_5_1;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 4, 4, 4, 4, 12, 8, 4, 0)) { // RGBA4444
glIntFormat = GL_RGBA;
glFormat = GL_RGBA;
glType = GL_UNSIGNED_SHORT_4_4_4_4;
return true;
#ifndef USE_GLES
#ifdef SCUMM_LITTLE_ENDIAN
} else if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)) { // RGBA8888
glIntFormat = GL_RGBA;
glFormat = GL_RGBA;
glType = GL_UNSIGNED_INT_8_8_8_8;
return true;
#endif
} else if (pixelFormat == Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0)) { // RGB555
// GL_BGRA does not exist in every GLES implementation so should not be configured if
// USE_GLES is set.
glIntFormat = GL_RGB;
glFormat = GL_BGRA;
glType = GL_UNSIGNED_SHORT_1_5_5_5_REV;
return true;
} else if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 16, 8, 0, 24)) { // ARGB8888
glIntFormat = GL_RGBA;
glFormat = GL_BGRA;
glType = GL_UNSIGNED_INT_8_8_8_8_REV;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 4, 4, 4, 4, 8, 4, 0, 12)) { // ARGB4444
glIntFormat = GL_RGBA;
glFormat = GL_BGRA;
glType = GL_UNSIGNED_SHORT_4_4_4_4_REV;
return true;
#ifdef SCUMM_BIG_ENDIAN
} else if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24)) { // ABGR8888
glIntFormat = GL_RGBA;
glFormat = GL_RGBA;
glType = GL_UNSIGNED_INT_8_8_8_8_REV;
return true;
#endif
} else if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 8, 16, 24, 0)) { // BGRA8888
glIntFormat = GL_RGBA;
glFormat = GL_BGRA;
glType = GL_UNSIGNED_INT_8_8_8_8;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 5, 6, 5, 0, 0, 5, 11, 0)) { // BGR565
glIntFormat = GL_RGB;
glFormat = GL_BGR;
glType = GL_UNSIGNED_SHORT_5_6_5;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 5, 5, 5, 1, 1, 6, 11, 0)) { // BGRA5551
glIntFormat = GL_RGBA;
glFormat = GL_BGRA;
glType = GL_UNSIGNED_SHORT_5_5_5_1;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 4, 4, 4, 4, 0, 4, 8, 12)) { // ABGR4444
glIntFormat = GL_RGBA;
glFormat = GL_RGBA;
glType = GL_UNSIGNED_SHORT_4_4_4_4_REV;
return true;
} else if (pixelFormat == Graphics::PixelFormat(2, 4, 4, 4, 4, 4, 8, 12, 0)) { // BGRA4444
glIntFormat = GL_RGBA;
glFormat = GL_BGRA;
glType = GL_UNSIGNED_SHORT_4_4_4_4;
return true;
#endif
} else {
return false;
}
}
frac_t OpenGLGraphicsManager::getDesiredGameScreenAspect() const {
const uint width = _currentState.gameWidth;
const uint height = _currentState.gameHeight;
if (_currentState.aspectRatioCorrection) {
// In case we enable aspect ratio correction we force a 4/3 ratio.
// But just for 320x200 and 640x400 games, since other games do not need
// this.
if ((width == 320 && height == 200) || (width == 640 && height == 400)) {
return intToFrac(4) / 3;
}
}
return intToFrac(width) / height;
}
void OpenGLGraphicsManager::recalculateDisplayArea() {
if (!_gameScreen || _outputScreenHeight == 0) {
return;
}
const frac_t outputAspect = intToFrac(_outputScreenWidth) / _outputScreenHeight;
const frac_t desiredAspect = getDesiredGameScreenAspect();
_displayWidth = _outputScreenWidth;
_displayHeight = _outputScreenHeight;
// Adjust one dimension for mantaining the aspect ratio.
if (outputAspect < desiredAspect) {
_displayHeight = intToFrac(_displayWidth) / desiredAspect;
} else if (outputAspect > desiredAspect) {
_displayWidth = fracToInt(_displayHeight * desiredAspect);
}
// We center the screen in the middle for now.
_displayX = (_outputScreenWidth - _displayWidth ) / 2;
_displayY = (_outputScreenHeight - _displayHeight) / 2;
}
void OpenGLGraphicsManager::updateCursorPalette() {
if (!_cursor || !_cursor->hasPalette()) {
return;
}
if (_cursorPaletteEnabled) {
_cursor->setPalette(0, 256, _cursorPalette);
} else {
_cursor->setPalette(0, 256, _gamePalette);
}
// We remove all alpha bits from the palette entry of the color key.
// This makes sure its properly handled as color key.
const Graphics::PixelFormat &hardwareFormat = _cursor->getHardwareFormat();
const uint32 aMask = (0xFF >> hardwareFormat.aLoss) << hardwareFormat.aShift;
if (hardwareFormat.bytesPerPixel == 2) {
uint16 *palette = (uint16 *)_cursor->getPalette() + _cursorKeyColor;
*palette &= ~aMask;
} else if (hardwareFormat.bytesPerPixel == 4) {
uint32 *palette = (uint32 *)_cursor->getPalette() + _cursorKeyColor;
*palette &= ~aMask;
} else {
warning("OpenGLGraphicsManager::updateCursorPalette: Unsupported pixel depth %d", hardwareFormat.bytesPerPixel);
}
}
void OpenGLGraphicsManager::recalculateCursorScaling() {
if (!_cursor || !_gameScreen) {
return;
}
// By default we use the unscaled versions.
_cursorHotspotXScaled = _cursorHotspotX;
_cursorHotspotYScaled = _cursorHotspotY;
_cursorWidthScaled = _cursor->getWidth();
_cursorHeightScaled = _cursor->getHeight();
// In case scaling is actually enabled we will scale the cursor according
// to the game screen.
if (!_cursorDontScale) {
const frac_t screenScaleFactorX = intToFrac(_displayWidth) / _gameScreen->getWidth();
const frac_t screenScaleFactorY = intToFrac(_displayHeight) / _gameScreen->getHeight();
_cursorHotspotXScaled = fracToInt(_cursorHotspotXScaled * screenScaleFactorX);
_cursorWidthScaled = fracToInt(_cursorWidthScaled * screenScaleFactorX);
_cursorHotspotYScaled = fracToInt(_cursorHotspotYScaled * screenScaleFactorY);
_cursorHeightScaled = fracToInt(_cursorHeightScaled * screenScaleFactorY);
}
}
#ifdef USE_OSD
const Graphics::Font *OpenGLGraphicsManager::getFontOSD() {
return FontMan.getFontByUsage(Graphics::FontManager::kLocalizedFont);
}
#endif
void OpenGLGraphicsManager::saveScreenshot(const Common::String &filename) const {
const uint width = _outputScreenWidth;
const uint height = _outputScreenHeight;
// A line of a BMP image must have a size divisible by 4.
// We calculate the padding bytes needed here.
// Since we use a 3 byte per pixel mode, we can use width % 4 here, since
// it is equal to 4 - (width * 3) % 4. (4 - (width * Bpp) % 4, is the
// usual way of computing the padding bytes required).
const uint linePaddingSize = width % 4;
const uint lineSize = width * 3 + linePaddingSize;
// Allocate memory for screenshot
uint8 *pixels = new uint8[lineSize * height];
// Get pixel data from OpenGL buffer
GLCALL(glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixels));
// BMP stores as BGR. Since we can't assume that GL_BGR is supported we
// will swap the components from the RGB we read to BGR on our own.
for (uint y = height; y-- > 0;) {
uint8 *line = pixels + y * lineSize;
for (uint x = width; x > 0; --x, line += 3) {
SWAP(line[0], line[2]);
}
}
// Open file
Common::DumpFile out;
out.open(filename);
// Write BMP header
out.writeByte('B');
out.writeByte('M');
out.writeUint32LE(height * lineSize + 54);
out.writeUint32LE(0);
out.writeUint32LE(54);
out.writeUint32LE(40);
out.writeUint32LE(width);
out.writeUint32LE(height);
out.writeUint16LE(1);
out.writeUint16LE(24);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
out.writeUint32LE(0);
// Write pixel data to BMP
out.write(pixels, lineSize * height);
// Free allocated memory
delete[] pixels;
}
} // End of namespace OpenGL
void MarmaladeRenderProgram::bindMatrix( const mt::mat4f & _worldMatrix, const mt::mat4f & _viewMatrix, const mt::mat4f & _projectionMatrix ) const
{
m_mvpMat = _worldMatrix * _viewMatrix * _projectionMatrix;
GLCALL( m_serviceProvider, glUniformMatrix4fv, (m_transformLocation, 1, GL_FALSE, m_mvpMat.buff()) );
}
void MarmaladeRenderProgram::disable() const
{
GLCALL( m_serviceProvider, glUseProgram, (0) );
}
void MarmaladeRenderProgram::enable() const
{
GLCALL( m_serviceProvider, glUseProgram, (m_program) );
}
