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author | Alejandro Marzini | 2010-07-12 06:00:19 +0000 |
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committer | Alejandro Marzini | 2010-07-12 06:00:19 +0000 |
commit | 8b6a670391f1b5103e3761d78eef8f41d64cf8cd (patch) | |
tree | 2faf7636191d6e40d4f4aab25e99a708c51a4c9e /backends/graphics/opengl/opengl-graphics.cpp | |
parent | a1161feed2e2fcb10ef75d32bdad4df1054e159d (diff) | |
download | scummvm-rg350-8b6a670391f1b5103e3761d78eef8f41d64cf8cd.tar.gz scummvm-rg350-8b6a670391f1b5103e3761d78eef8f41d64cf8cd.tar.bz2 scummvm-rg350-8b6a670391f1b5103e3761d78eef8f41d64cf8cd.zip |
OpenGL manager: Implemented PixelFormat functions. Implemented GFX methods. Changed how GLTexture determines its format.
svn-id: r50811
Diffstat (limited to 'backends/graphics/opengl/opengl-graphics.cpp')
-rw-r--r-- | backends/graphics/opengl/opengl-graphics.cpp | 152 |
1 files changed, 131 insertions, 21 deletions
diff --git a/backends/graphics/opengl/opengl-graphics.cpp b/backends/graphics/opengl/opengl-graphics.cpp index 71f0213a50..fc864957d8 100644 --- a/backends/graphics/opengl/opengl-graphics.cpp +++ b/backends/graphics/opengl/opengl-graphics.cpp @@ -29,8 +29,11 @@ OpenGLGraphicsManager::OpenGLGraphicsManager() : _gameTexture(0), _overlayTexture(0), _mouseTexture(0), + _overlayVisible(false), + _mouseVisible(false), _mouseNeedsRedraw(false), _screenChangeCount(0), - _transactionMode(0) + _currentShakePos(0), _newShakePos(0), + _transactionMode(kTransactionNone) { @@ -48,7 +51,23 @@ OpenGLGraphicsManager::~OpenGLGraphicsManager() { } void OpenGLGraphicsManager::init() { + GLTexture::initGLExtensions(); + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_LIGHTING); + glDisable(GL_FOG); + glDisable(GL_DITHER); + glShadeModel(GL_FLAT); + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + + glEnable(GL_TEXTURE_2D); } // @@ -85,21 +104,17 @@ int OpenGLGraphicsManager::getDefaultGraphicsMode() const { } bool OpenGLGraphicsManager::setGraphicsMode(int mode) { - return false; + return true; } int OpenGLGraphicsManager::getGraphicsMode() const { - return 0; + return GFX_NORMAL; } #ifdef USE_RGB_COLOR Graphics::PixelFormat OpenGLGraphicsManager::getScreenFormat() const { - return Graphics::PixelFormat(); -} - -Common::List<Graphics::PixelFormat> OpenGLGraphicsManager::getSupportedFormats() { - return Common::List<Graphics::PixelFormat>(); + return _screenFormat; } #endif @@ -135,7 +150,7 @@ void OpenGLGraphicsManager::initSize(uint width, uint height, const Graphics::Pi } int OpenGLGraphicsManager::getScreenChangeID() const { - return 0; + return _screenChangeCount; } // @@ -267,28 +282,32 @@ void OpenGLGraphicsManager::grabPalette(byte *colors, uint start, uint num) { } void OpenGLGraphicsManager::copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) { - + _gameTexture->updateBuffer(buf, pitch, x, y, w, h); } Graphics::Surface *OpenGLGraphicsManager::lockScreen() { - _lockedScreen = Graphics::Surface(); - return &_lockedScreen; + return _gameTexture->getSurface(); } void OpenGLGraphicsManager::unlockScreen() { - + _gameTexture->refresh(); } void OpenGLGraphicsManager::fillScreen(uint32 col) { + if (_gameTexture == NULL) + return; + _gameTexture->fillBuffer(col); } void OpenGLGraphicsManager::updateScreen() { - + assert (_transactionMode == kTransactionNone); + internUpdateScreen(); } void OpenGLGraphicsManager::setShakePos(int shakeOffset) { - + assert (_transactionMode == kTransactionNone); + _newShakePos = shakeOffset; } void OpenGLGraphicsManager::setFocusRectangle(const Common::Rect& rect) { @@ -304,27 +323,43 @@ void OpenGLGraphicsManager::clearFocusRectangle() { // void OpenGLGraphicsManager::showOverlay() { + assert (_transactionMode == kTransactionNone); + _overlayVisible = true; } void OpenGLGraphicsManager::hideOverlay() { + assert (_transactionMode == kTransactionNone); + _overlayVisible = false; } Graphics::PixelFormat OpenGLGraphicsManager::getOverlayFormat() const { - return Graphics::PixelFormat(); + return _overlayFormat; } void OpenGLGraphicsManager::clearOverlay() { - + _overlayTexture->fillBuffer(0); } void OpenGLGraphicsManager::grabOverlay(OverlayColor *buf, int pitch) { - + const Graphics::Surface* surface = _overlayTexture->getSurface(); + assert(surface->bytesPerPixel == sizeof(buf[0])); + int h = surface->h; + do { + //memcpy(buf, surface->pixels, surface->w * sizeof(buf[0])); + memset(buf, 0, surface->w * sizeof(buf[0])); + buf += pitch; + } while (--h); } void OpenGLGraphicsManager::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) { + assert (_transactionMode == kTransactionNone); + + if (_overlayTexture == NULL) + return; + _overlayTexture->updateBuffer(buf, pitch * sizeof(buf[0]), x, y, w, h); } int16 OpenGLGraphicsManager::getOverlayHeight() { @@ -340,11 +375,26 @@ int16 OpenGLGraphicsManager::getOverlayWidth() { // bool OpenGLGraphicsManager::showMouse(bool visible) { - return false; + if (_mouseVisible == visible) + return visible; + + bool last = _mouseVisible; + _mouseVisible = visible; + _mouseNeedsRedraw = true; + + return last; } -void OpenGLGraphicsManager::warpMouse(int x, int y) { +void OpenGLGraphicsManager::setMousePos(int x, int y) { + if (x != _mouseCurState.x || y != _mouseCurState.y) { + _mouseNeedsRedraw = true; + _mouseCurState.x = x; + _mouseCurState.y = y; + } +} +void OpenGLGraphicsManager::warpMouse(int x, int y) { + setMousePos(x, y); } void OpenGLGraphicsManager::setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format) { @@ -371,12 +421,72 @@ void OpenGLGraphicsManager::displayMessageOnOSD(const char *msg) { // Intern // +void OpenGLGraphicsManager::getGLPixelFormat(Graphics::PixelFormat pixelFormat, byte &bpp, GLenum &glFormat, GLenum &type) { + if (pixelFormat == Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)) { // RGBA8888 + bpp = 4; + glFormat = GL_RGBA; + type = GL_UNSIGNED_BYTE; + } else if (pixelFormat == Graphics::PixelFormat(3, 8, 8, 8, 0, 16, 8, 0, 0)) { // RGB888 + bpp = 3; + glFormat = GL_RGB; + type = GL_UNSIGNED_BYTE; + } else if (pixelFormat == Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0)) { // RGB565 + bpp = 2; + glFormat = GL_RGB; + type = GL_UNSIGNED_SHORT_5_6_5; + } else if (pixelFormat == Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0)) { // RGB555 + bpp = 2; + glFormat = GL_RGB; + type = GL_UNSIGNED_SHORT_5_5_5_1; + } else if (pixelFormat == Graphics::PixelFormat(2, 4, 4, 4, 4, 12, 8, 4, 0)) { // RGBA4444 + bpp = 2; + glFormat = GL_RGBA; + type = GL_UNSIGNED_SHORT_4_4_4_4; + } else if (pixelFormat == Graphics::PixelFormat::createFormatCLUT8()) { // CLUT8 + bpp = 1; + glFormat = GL_RGB; + type = GL_COLOR_INDEX; + } else { + error("Not supported format"); + } +} + void OpenGLGraphicsManager::internUpdateScreen() { } bool OpenGLGraphicsManager::loadGFXMode() { - return false; + if (!_gameTexture) { + byte bpp; + GLenum format; + GLenum type; + getGLPixelFormat(_screenFormat, bpp, format, type); + _gameTexture = new GLTexture(bpp, format, type); + } else + _gameTexture->refresh(); + + if (!_overlayTexture) + _overlayTexture = new GLTexture(2, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4); + else + _overlayTexture->refresh(); + + if (!_mouseTexture) + _mouseTexture = new GLTexture(4, GL_RGBA, GL_UNSIGNED_BYTE); + else + _mouseTexture->refresh(); + + _gameTexture->allocBuffer(_videoMode.screenWidth, _videoMode.screenHeight); + _overlayTexture->allocBuffer(_videoMode.overlayWidth, _videoMode.overlayHeight); + + glViewport(0, 0, _videoMode.hardwareWidth, _videoMode.hardwareHeight); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(0, _videoMode.hardwareWidth, _videoMode.hardwareHeight, 0, -1, 1); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + return true; } void OpenGLGraphicsManager::unloadGFXMode() { |