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-rw-r--r--backends/platform/android/gfx.cpp836
1 files changed, 836 insertions, 0 deletions
diff --git a/backends/platform/android/gfx.cpp b/backends/platform/android/gfx.cpp
new file mode 100644
index 0000000000..ebce58e291
--- /dev/null
+++ b/backends/platform/android/gfx.cpp
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#if defined(__ANDROID__)
+
+// Allow use of stuff in <time.h>
+#define FORBIDDEN_SYMBOL_EXCEPTION_time_h
+
+// Disable printf override in common/forbidden.h to avoid
+// clashes with log.h from the Android SDK.
+// That header file uses
+// __attribute__ ((format(printf, 3, 4)))
+// which gets messed up by our override mechanism; this could
+// be avoided by either changing the Android SDK to use the equally
+// legal and valid
+// __attribute__ ((format(printf, 3, 4)))
+// or by refining our printf override to use a varadic macro
+// (which then wouldn't be portable, though).
+// Anyway, for now we just disable the printf override globally
+// for the Android port
+#define FORBIDDEN_SYMBOL_EXCEPTION_printf
+
+#include "common/endian.h"
+#include "graphics/conversion.h"
+
+#include "backends/platform/android/android.h"
+#include "backends/platform/android/jni.h"
+
+static inline GLfixed xdiv(int numerator, int denominator) {
+ assert(numerator < (1 << 16));
+ return (numerator << 16) / denominator;
+}
+
+const OSystem::GraphicsMode *OSystem_Android::getSupportedGraphicsModes() const {
+ static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
+ { "default", "Default", 0 },
+ { "filter", "Linear filtering", 1 },
+ { 0, 0, 0 },
+ };
+
+ return s_supportedGraphicsModes;
+}
+
+int OSystem_Android::getDefaultGraphicsMode() const {
+ return 0;
+}
+
+bool OSystem_Android::setGraphicsMode(int mode) {
+ ENTER("%d", mode);
+
+ if (_game_texture)
+ _game_texture->setLinearFilter(mode == 1);
+
+ if (_overlay_texture)
+ _overlay_texture->setLinearFilter(mode == 1);
+
+ if (_mouse_texture)
+ _mouse_texture->setLinearFilter(mode == 1);
+
+ _graphicsMode = mode;
+
+ return true;
+}
+
+int OSystem_Android::getGraphicsMode() const {
+ return _graphicsMode;
+}
+
+#ifdef USE_RGB_COLOR
+Graphics::PixelFormat OSystem_Android::getScreenFormat() const {
+ return _game_texture->getPixelFormat();
+}
+
+Common::List<Graphics::PixelFormat> OSystem_Android::getSupportedFormats() const {
+ Common::List<Graphics::PixelFormat> res;
+ res.push_back(GLES565Texture::pixelFormat());
+ res.push_back(GLES5551Texture::pixelFormat());
+ res.push_back(GLES4444Texture::pixelFormat());
+ res.push_back(Graphics::PixelFormat::createFormatCLUT8());
+
+ return res;
+}
+
+Common::String OSystem_Android::getPixelFormatName(const Graphics::PixelFormat &format) const {
+ if (format.bytesPerPixel == 1)
+ return "CLUT8";
+
+ if (format.aLoss == 8)
+ return Common::String::format("RGB%u%u%u",
+ 8 - format.rLoss,
+ 8 - format.gLoss,
+ 8 - format.bLoss);
+
+ return Common::String::format("RGBA%u%u%u%u",
+ 8 - format.rLoss,
+ 8 - format.gLoss,
+ 8 - format.bLoss,
+ 8 - format.aLoss);
+}
+
+void OSystem_Android::initTexture(GLESBaseTexture **texture,
+ uint width, uint height,
+ const Graphics::PixelFormat *format) {
+ assert(texture);
+ Graphics::PixelFormat format_clut8 =
+ Graphics::PixelFormat::createFormatCLUT8();
+ Graphics::PixelFormat format_current;
+ Graphics::PixelFormat format_new;
+
+ if (*texture)
+ format_current = (*texture)->getPixelFormat();
+ else
+ format_current = Graphics::PixelFormat();
+
+ if (format)
+ format_new = *format;
+ else
+ format_new = format_clut8;
+
+ if (format_current != format_new) {
+ if (*texture)
+ LOGD("switching pixel format from: %s",
+ getPixelFormatName((*texture)->getPixelFormat()).c_str());
+
+ delete *texture;
+
+ if (format_new == GLES565Texture::pixelFormat())
+ *texture = new GLES565Texture();
+ else if (format_new == GLES5551Texture::pixelFormat())
+ *texture = new GLES5551Texture();
+ else if (format_new == GLES4444Texture::pixelFormat())
+ *texture = new GLES4444Texture();
+ else {
+ // TODO what now?
+ if (format_new != format_clut8)
+ LOGE("unsupported pixel format: %s",
+ getPixelFormatName(format_new).c_str());
+
+ *texture = new GLESFakePalette565Texture;
+ }
+
+ LOGD("new pixel format: %s",
+ getPixelFormatName((*texture)->getPixelFormat()).c_str());
+ }
+
+ (*texture)->allocBuffer(width, height);
+}
+#endif
+
+void OSystem_Android::initSurface() {
+ LOGD("initializing surface");
+
+ assert(!JNI::haveSurface());
+
+ _screen_changeid = JNI::surface_changeid;
+ _egl_surface_width = JNI::egl_surface_width;
+ _egl_surface_height = JNI::egl_surface_height;
+
+ assert(_egl_surface_width > 0 && _egl_surface_height > 0);
+
+ JNI::initSurface();
+
+ // Initialise OpenGLES context.
+ GLESTexture::initGLExtensions();
+
+ if (_game_texture)
+ _game_texture->reinit();
+
+ if (_overlay_texture) {
+ _overlay_texture->reinit();
+ initOverlay();
+ }
+
+ if (_mouse_texture)
+ _mouse_texture->reinit();
+}
+
+void OSystem_Android::deinitSurface() {
+ if (!JNI::haveSurface())
+ return;
+
+ LOGD("deinitializing surface");
+
+ _screen_changeid = JNI::surface_changeid;
+ _egl_surface_width = 0;
+ _egl_surface_height = 0;
+
+ // release texture resources
+ if (_game_texture)
+ _game_texture->release();
+
+ if (_overlay_texture)
+ _overlay_texture->release();
+
+ if (_mouse_texture)
+ _mouse_texture->release();
+
+ JNI::deinitSurface();
+}
+
+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_SRC_ALPHA, 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();
+}
+
+void OSystem_Android::initOverlay() {
+ // minimum of 320x200
+ // (surface can get smaller when opening the virtual keyboard on *QVGA*)
+ int overlay_width = MAX(_egl_surface_width, 320);
+ int overlay_height = MAX(_egl_surface_height, 200);
+
+ // the 'normal' theme layout uses a max height of 400 pixels. if the
+ // surface is too big we use only a quarter of the size so that the widgets
+ // don't get too small. if the surface height has less than 800 pixels, this
+ // enforces the 'lowres' layout, which will be scaled back up by factor 2x,
+ // but this looks way better than the 'normal' layout scaled by some
+ // calculated factors
+ while (overlay_height > 480) {
+ overlay_width /= 2;
+ overlay_height /= 2;
+ }
+
+ LOGI("overlay size is %ux%u", overlay_width, overlay_height);
+
+ _overlay_texture->allocBuffer(overlay_width, overlay_height);
+ _overlay_texture->setDrawRect(0, 0,
+ _egl_surface_width, _egl_surface_height);
+}
+
+void OSystem_Android::initSize(uint width, uint height,
+ const Graphics::PixelFormat *format) {
+ ENTER("%d, %d, %p", width, height, format);
+
+ GLTHREADCHECK;
+
+#ifdef USE_RGB_COLOR
+ initTexture(&_game_texture, width, height, format);
+#else
+ _game_texture->allocBuffer(width, height);
+#endif
+
+ updateScreenRect();
+ updateEventScale();
+
+ // Don't know mouse size yet - it gets reallocated in
+ // setMouseCursor. We need the palette allocated before
+ // setMouseCursor however, so just take a guess at the desired
+ // size (it's small).
+ _mouse_texture_palette->allocBuffer(20, 20);
+
+ clearScreen(kClear);
+}
+
+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 OSystem_Android::updateScreenRect() {
+ Common::Rect rect(0, 0, _egl_surface_width, _egl_surface_height);
+
+ _overlay_texture->setDrawRect(rect);
+
+ uint16 w = _game_texture->width();
+ uint16 h = _game_texture->height();
+
+ if (w && h && !_fullscreen) {
+ if (_ar_correction && w == 320 && h == 200)
+ h = 240;
+
+ float dpi[2];
+ JNI::getDPI(dpi);
+
+ float screen_ar;
+ if (dpi[0] != 0.0 && dpi[1] != 0.0) {
+ // horizontal orientation
+ screen_ar = (dpi[1] * _egl_surface_width) /
+ (dpi[0] * _egl_surface_height);
+ } else {
+ screen_ar = float(_egl_surface_width) / float(_egl_surface_height);
+ }
+
+ float game_ar = float(w) / float(h);
+
+ if (screen_ar > game_ar) {
+ rect.setWidth(round(_egl_surface_height * game_ar));
+ rect.moveTo((_egl_surface_width - rect.width()) / 2, 0);
+ } else {
+ rect.setHeight(round(_egl_surface_width / game_ar));
+ rect.moveTo((_egl_surface_height - rect.height()) / 2, 0);
+ }
+ }
+
+ glScissor(rect.left, rect.top, rect.width(), rect.height());
+
+ _game_texture->setDrawRect(rect);
+}
+
+int OSystem_Android::getScreenChangeID() const {
+ return _screen_changeid;
+}
+
+int16 OSystem_Android::getHeight() {
+ return _game_texture->height();
+}
+
+int16 OSystem_Android::getWidth() {
+ return _game_texture->width();
+}
+
+void OSystem_Android::setPalette(const byte *colors, uint start, uint num) {
+ ENTER("%p, %u, %u", colors, start, num);
+
+#ifdef USE_RGB_COLOR
+ assert(_game_texture->hasPalette());
+#endif
+
+ GLTHREADCHECK;
+
+ if (!_use_mouse_palette)
+ setCursorPaletteInternal(colors, start, num);
+
+ const Graphics::PixelFormat &pf = _game_texture->getPalettePixelFormat();
+ byte *p = _game_texture->palette() + start * 2;
+
+ for (uint i = 0; i < num; ++i, colors += 3, p += 2)
+ WRITE_UINT16(p, pf.RGBToColor(colors[0], colors[1], colors[2]));
+}
+
+void OSystem_Android::grabPalette(byte *colors, uint start, uint num) {
+ ENTER("%p, %u, %u", colors, start, num);
+
+#ifdef USE_RGB_COLOR
+ assert(_game_texture->hasPalette());
+#endif
+
+ GLTHREADCHECK;
+
+ const Graphics::PixelFormat &pf = _game_texture->getPalettePixelFormat();
+ const byte *p = _game_texture->palette_const() + start * 2;
+
+ for (uint i = 0; i < num; ++i, colors += 3, p += 2)
+ pf.colorToRGB(READ_UINT16(p), colors[0], colors[1], colors[2]);
+}
+
+void OSystem_Android::copyRectToScreen(const byte *buf, int pitch,
+ int x, int y, int w, int h) {
+ ENTER("%p, %d, %d, %d, %d, %d", buf, pitch, x, y, w, h);
+
+ GLTHREADCHECK;
+
+ _game_texture->updateBuffer(x, y, w, h, buf, pitch);
+}
+
+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 doesnt 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());
+}
+
+Graphics::Surface *OSystem_Android::lockScreen() {
+ ENTER();
+
+ GLTHREADCHECK;
+
+ Graphics::Surface *surface = _game_texture->surface();
+ assert(surface->pixels);
+
+ return surface;
+}
+
+void OSystem_Android::unlockScreen() {
+ ENTER();
+
+ GLTHREADCHECK;
+
+ assert(_game_texture->dirty());
+}
+
+void OSystem_Android::setShakePos(int shake_offset) {
+ ENTER("%d", shake_offset);
+
+ if (_shake_offset != shake_offset) {
+ _shake_offset = shake_offset;
+ _force_redraw = true;
+ }
+}
+
+void OSystem_Android::fillScreen(uint32 col) {
+ ENTER("%u", col);
+
+ GLTHREADCHECK;
+
+ _game_texture->fillBuffer(col);
+}
+
+void OSystem_Android::setFocusRectangle(const Common::Rect& rect) {
+ ENTER("%d, %d, %d, %d", rect.left, rect.top, rect.right, rect.bottom);
+
+ if (_enable_zoning) {
+ _focus_rect = rect;
+ _force_redraw = true;
+ }
+}
+
+void OSystem_Android::clearFocusRectangle() {
+ ENTER();
+
+ if (_enable_zoning) {
+ _focus_rect = Common::Rect();
+ _force_redraw = true;
+ }
+}
+
+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 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 OSystem_Android::clearOverlay() {
+ ENTER();
+
+ GLTHREADCHECK;
+
+ _overlay_texture->fillBuffer(0);
+}
+
+void OSystem_Android::grabOverlay(OverlayColor *buf, int pitch) {
+ ENTER("%p, %d", buf, pitch);
+
+ GLTHREADCHECK;
+
+ const Graphics::Surface *surface = _overlay_texture->surface_const();
+ assert(surface->format.bytesPerPixel == sizeof(buf[0]));
+
+ const byte *src = (const byte *)surface->pixels;
+ uint h = surface->h;
+
+ do {
+ memcpy(buf, src, surface->w * surface->format.bytesPerPixel);
+ src += surface->pitch;
+ // This 'pitch' is pixels not bytes
+ buf += pitch;
+ } while (--h);
+}
+
+void OSystem_Android::copyRectToOverlay(const OverlayColor *buf, int pitch,
+ int x, int y, int w, int h) {
+ ENTER("%p, %d, %d, %d, %d, %d", buf, pitch, x, y, w, h);
+
+ GLTHREADCHECK;
+
+ // This 'pitch' is pixels not bytes
+ _overlay_texture->updateBuffer(x, y, w, h, buf, pitch * sizeof(buf[0]));
+}
+
+int16 OSystem_Android::getOverlayHeight() {
+ return _overlay_texture->height();
+}
+
+int16 OSystem_Android::getOverlayWidth() {
+ return _overlay_texture->width();
+}
+
+Graphics::PixelFormat OSystem_Android::getOverlayFormat() const {
+ return _overlay_texture->getPixelFormat();
+}
+
+bool OSystem_Android::showMouse(bool visible) {
+ ENTER("%d", visible);
+
+ _show_mouse = visible;
+
+ return true;
+}
+
+void OSystem_Android::setMouseCursor(const byte *buf, uint w, uint h,
+ int hotspotX, int hotspotY,
+ uint32 keycolor, int cursorTargetScale,
+ const Graphics::PixelFormat *format) {
+ ENTER("%p, %u, %u, %d, %d, %u, %d, %p", buf, w, h, hotspotX, hotspotY,
+ keycolor, cursorTargetScale, format);
+
+ GLTHREADCHECK;
+
+#ifdef USE_RGB_COLOR
+ if (format && format->bytesPerPixel > 1) {
+ if (_mouse_texture != _mouse_texture_rgb) {
+ LOGD("switching to rgb mouse cursor");
+
+ assert(!_mouse_texture_rgb);
+ _mouse_texture_rgb = new GLES5551Texture();
+ _mouse_texture_rgb->setLinearFilter(_graphicsMode == 1);
+ }
+
+ _mouse_texture = _mouse_texture_rgb;
+ } else {
+ if (_mouse_texture != _mouse_texture_palette)
+ LOGD("switching to paletted mouse cursor");
+
+ _mouse_texture = _mouse_texture_palette;
+
+ delete _mouse_texture_rgb;
+ _mouse_texture_rgb = 0;
+ }
+#endif
+
+ _mouse_texture->allocBuffer(w, h);
+
+ if (_mouse_texture == _mouse_texture_palette) {
+ assert(keycolor < 256);
+
+ byte *p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
+ WRITE_UINT16(p, READ_UINT16(p) | 1);
+
+ _mouse_keycolor = keycolor;
+
+ p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
+ WRITE_UINT16(p, READ_UINT16(p) & ~1);
+ }
+
+ if (w == 0 || h == 0)
+ return;
+
+ if (_mouse_texture == _mouse_texture_palette) {
+ _mouse_texture->updateBuffer(0, 0, w, h, buf, w);
+ } else {
+ uint16 pitch = _mouse_texture->pitch();
+
+ byte *tmp = new byte[pitch * h];
+
+ // meh, a 16bit cursor without alpha bits... this is so silly
+ if (!crossBlit(tmp, buf, pitch, w * 2, w, h,
+ _mouse_texture->getPixelFormat(),
+ *format)) {
+ LOGE("crossblit failed");
+
+ delete[] tmp;
+
+ _mouse_texture->allocBuffer(0, 0);
+
+ return;
+ }
+
+ uint16 *s = (uint16 *)buf;
+ uint16 *d = (uint16 *)tmp;
+ for (uint16 y = 0; y < h; ++y, d += pitch / 2 - w)
+ for (uint16 x = 0; x < w; ++x, d++)
+ if (*s++ != (keycolor & 0xffff))
+ *d |= 1;
+
+ _mouse_texture->updateBuffer(0, 0, w, h, tmp, pitch);
+
+ delete[] tmp;
+ }
+
+ _mouse_hotspot = Common::Point(hotspotX, hotspotY);
+ _mouse_targetscale = cursorTargetScale;
+}
+
+void OSystem_Android::setCursorPaletteInternal(const byte *colors,
+ uint start, uint num) {
+ const Graphics::PixelFormat &pf =
+ _mouse_texture_palette->getPalettePixelFormat();
+ byte *p = _mouse_texture_palette->palette() + start * 2;
+
+ for (uint i = 0; i < num; ++i, colors += 3, p += 2)
+ WRITE_UINT16(p, pf.RGBToColor(colors[0], colors[1], colors[2]));
+
+ p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
+ WRITE_UINT16(p, READ_UINT16(p) & ~1);
+}
+
+void OSystem_Android::setCursorPalette(const byte *colors,
+ uint start, uint num) {
+ ENTER("%p, %u, %u", colors, start, num);
+
+ GLTHREADCHECK;
+
+ if (!_mouse_texture->hasPalette()) {
+ LOGD("switching to paletted mouse cursor");
+
+ _mouse_texture = _mouse_texture_palette;
+
+ delete _mouse_texture_rgb;
+ _mouse_texture_rgb = 0;
+ }
+
+ setCursorPaletteInternal(colors, start, num);
+ _use_mouse_palette = true;
+}
+
+void OSystem_Android::disableCursorPalette(bool disable) {
+ ENTER("%d", disable);
+
+ // when disabling the cursor palette, and we're running a clut8 game,
+ // it expects the game palette to be used for the cursor
+ if (disable && _game_texture->hasPalette()) {
+ const byte *src = _game_texture->palette_const();
+ byte *dst = _mouse_texture_palette->palette();
+
+ const Graphics::PixelFormat &pf_src =
+ _game_texture->getPalettePixelFormat();
+ const Graphics::PixelFormat &pf_dst =
+ _mouse_texture_palette->getPalettePixelFormat();
+
+ uint8 r, g, b;
+
+ for (uint i = 0; i < 256; ++i, src += 2, dst += 2) {
+ pf_src.colorToRGB(READ_UINT16(src), r, g, b);
+ WRITE_UINT16(dst, pf_dst.RGBToColor(r, g, b));
+ }
+
+ byte *p = _mouse_texture_palette->palette() + _mouse_keycolor * 2;
+ WRITE_UINT16(p, READ_UINT16(p) & ~1);
+ }
+
+ _use_mouse_palette = !disable;
+}
+
+#endif
+