diff options
Diffstat (limited to 'backends/platform/iphone/iphone_video.mm')
| -rw-r--r-- | backends/platform/iphone/iphone_video.mm | 221 |
1 files changed, 92 insertions, 129 deletions
diff --git a/backends/platform/iphone/iphone_video.mm b/backends/platform/iphone/iphone_video.mm index 56c74b9ac5..ecb514d633 100644 --- a/backends/platform/iphone/iphone_video.mm +++ b/backends/platform/iphone/iphone_video.mm @@ -20,34 +20,22 @@ * */ +// Disable symbol overrides so that we can use system headers. +#define FORBIDDEN_SYMBOL_ALLOW_ALL + #include "iphone_video.h" +#include "graphics/colormasks.h" + iPhoneView *g_iPhoneViewInstance = nil; static int _fullWidth; static int _fullHeight; -static CGRect _gameScreenRect; - -static char *_gameScreenTextureBuffer = 0; -static int _gameScreenTextureWidth = 0; -static int _gameScreenTextureHeight = 0; - -static char *_overlayTexBuffer = 0; -static int _overlayTexWidth = 0; -static int _overlayTexHeight = 0; -static CGRect _overlayRect; static int _needsScreenUpdate = 0; static UITouch *_firstTouch = NULL; static UITouch *_secondTouch = NULL; -static unsigned short *_mouseCursor = NULL; - -static GLint _renderBufferWidth; -static GLint _renderBufferHeight; - -static int _scaledShakeOffsetY; - #if 0 static long lastTick = 0; static int frames = 0; @@ -70,11 +58,6 @@ int printOglError(const char *file, int line) { return retCode; } -void iPhone_setMouseCursor(unsigned short *buffer) { - _mouseCursor = buffer; - [g_iPhoneViewInstance performSelectorOnMainThread:@selector(updateMouseCursor) withObject:nil waitUntilDone: YES]; -} - void iPhone_setAspectRatioState(bool enable) { _aspectRatioCorrect = enable; } @@ -95,17 +78,6 @@ void iPhone_updateScreen() { } } -void iPhone_updateScreenRect(unsigned short *screen, int x1, int y1, int x2, int y2, int width) { - for (int y = y1; y < y2; ++y) - memcpy(&_gameScreenTextureBuffer[(y * _gameScreenTextureWidth + x1) * 2], &screen[y * width + x1], (x2 - x1) * 2); -} - -void iPhone_updateOverlayRect(unsigned short *screen, int x1, int y1, int x2, int y2, int width) { - //printf("Overlaywidth: %u, fullwidth %u\n", _videoContext.overlayWidth, _fullWidth); - for (int y = y1; y < y2; ++y) - memcpy(&_overlayTexBuffer[(y * _overlayTexWidth + x1) * 2], &screen[y * width + x1], (x2 - x1) * 2); -} - bool iPhone_fetchEvent(int *outEvent, int *outX, int *outY) { id event = [g_iPhoneViewInstance getEvent]; if (event == nil) { @@ -191,18 +163,16 @@ const char *iPhone_getDocumentsDir() { _videoContext.overlayHeight = _renderBufferWidth; _videoContext.overlayWidth = _renderBufferHeight; - _overlayTexWidth = getSizeNextPOT(_videoContext.overlayHeight); - _overlayTexHeight = getSizeNextPOT(_videoContext.overlayWidth); + uint overlayTextureWidth = getSizeNextPOT(_videoContext.overlayHeight); + uint overlayTextureHeight = getSizeNextPOT(_videoContext.overlayWidth); // Since the overlay size won't change the whole run, we can // precalculate the texture coordinates for the overlay texture here // and just use it later on. - _overlayTexCoords[2] = _overlayTexCoords[6] = _videoContext.overlayWidth / (GLfloat)_overlayTexWidth; - _overlayTexCoords[5] = _overlayTexCoords[7] = _videoContext.overlayHeight / (GLfloat)_overlayTexHeight; + _overlayTexCoords[2] = _overlayTexCoords[6] = _videoContext.overlayWidth / (GLfloat)overlayTextureWidth; + _overlayTexCoords[5] = _overlayTexCoords[7] = _videoContext.overlayHeight / (GLfloat)overlayTextureHeight; - int textureSize = _overlayTexWidth * _overlayTexHeight * 2; - _overlayTexBuffer = (char *)malloc(textureSize); - memset(_overlayTexBuffer, 0, textureSize); + _videoContext.overlayTexture.create(overlayTextureWidth, overlayTextureHeight, Graphics::createPixelFormat<5551>()); glViewport(0, 0, _renderBufferWidth, _renderBufferHeight); printOpenGLError(); glClearColor(0.0f, 0.0f, 0.0f, 1.0f); printOpenGLError(); @@ -235,9 +205,7 @@ const char *iPhone_getDocumentsDir() { _overlayTexture = 0; _mouseCursorTexture = 0; - memset(&_videoContext, 0, sizeof(_videoContext)); - _videoContext.graphicsMode = kGraphicsModeLinear; - _videoContext.overlayVisible = false; + _scaledShakeOffsetY = 0; _gameScreenVertCoords[0] = _gameScreenVertCoords[1] = _gameScreenVertCoords[2] = _gameScreenVertCoords[3] = @@ -259,6 +227,16 @@ const char *iPhone_getDocumentsDir() { _overlayTexCoords[4] = _overlayTexCoords[5] = _overlayTexCoords[6] = _overlayTexCoords[7] = 0; + _mouseVertCoords[0] = _mouseVertCoords[1] = + _mouseVertCoords[2] = _mouseVertCoords[3] = + _mouseVertCoords[4] = _mouseVertCoords[5] = + _mouseVertCoords[6] = _mouseVertCoords[7] = 0; + + _mouseTexCoords[0] = _mouseTexCoords[1] = + _mouseTexCoords[2] = _mouseTexCoords[3] = + _mouseTexCoords[4] = _mouseTexCoords[5] = + _mouseTexCoords[6] = _mouseTexCoords[7] = 0; + // Initialize the OpenGL ES context [self createContext]; @@ -272,8 +250,9 @@ const char *iPhone_getDocumentsDir() { [_keyboardView dealloc]; } - free(_gameScreenTextureBuffer); - free(_overlayTexBuffer); + _videoContext.screenTexture.free(); + _videoContext.overlayTexture.free(); + _videoContext.mouseTexture.free(); } - (void)drawRect:(CGRect)frame { @@ -340,17 +319,70 @@ const char *iPhone_getDocumentsDir() { } +- (void)notifyMouseMove { + const GLint mouseX = (GLint)(_videoContext.mouseX * _mouseScaleX) - _mouseHotspotX; + const GLint mouseY = (GLint)(_videoContext.mouseY * _mouseScaleY) - _mouseHotspotY; + + _mouseVertCoords[0] = _mouseVertCoords[4] = mouseX; + _mouseVertCoords[1] = _mouseVertCoords[3] = mouseY; + _mouseVertCoords[2] = _mouseVertCoords[6] = mouseX + _mouseWidth; + _mouseVertCoords[5] = _mouseVertCoords[7] = mouseY + _mouseHeight; +} + +- (void)updateMouseCursorScaling { + CGRect *rect; + int maxWidth, maxHeight; + + if (!_videoContext.overlayVisible) { + rect = &_gameScreenRect; + maxWidth = _videoContext.screenWidth; + maxHeight = _videoContext.screenHeight; + } else { + rect = &_overlayRect; + maxWidth = _videoContext.overlayWidth; + maxHeight = _videoContext.overlayHeight; + } + + if (!maxWidth || !maxHeight) { + printf("WARNING: updateMouseCursorScaling called when screen was not ready (%d)!\n", _videoContext.overlayVisible); + return; + } + + _mouseScaleX = CGRectGetWidth(*rect) / (GLfloat)maxWidth; + _mouseScaleY = CGRectGetHeight(*rect) / (GLfloat)maxHeight; + + _mouseWidth = (GLint)(_videoContext.mouseWidth * _mouseScaleX); + _mouseHeight = (GLint)(_videoContext.mouseHeight * _mouseScaleY); + + _mouseHotspotX = (GLint)(_videoContext.mouseHotspotX * _mouseScaleX); + _mouseHotspotY = (GLint)(_videoContext.mouseHotspotY * _mouseScaleY); + + // We subtract the screen offset to the hotspot here to simplify the + // screen offset handling in the mouse code. Note the subtraction here + // makes sure that the offset actually gets added to the mouse position, + // since the hotspot offset is substracted from the position. + _mouseHotspotX -= (GLint)CGRectGetMinX(*rect); + _mouseHotspotY -= (GLint)CGRectGetMinY(*rect); + + // FIXME: For now we also adapt the mouse position here. In reality we + // would be better off to also adjust the event position when switching + // from overlay to game screen or vica versa. + [self notifyMouseMove]; +} + - (void)updateMouseCursor { if (_mouseCursorTexture == 0) { glGenTextures(1, &_mouseCursorTexture); printOpenGLError(); [self setFilterModeForTexture:_mouseCursorTexture]; } - glBindTexture(GL_TEXTURE_2D, _mouseCursorTexture); printOpenGLError(); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getSizeNextPOT(_videoContext.mouseWidth), getSizeNextPOT(_videoContext.mouseHeight), 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, _mouseCursor); printOpenGLError(); + [self updateMouseCursorScaling]; + + _mouseTexCoords[2] = _mouseTexCoords[6] = _videoContext.mouseWidth / (GLfloat)_videoContext.mouseTexture.w; + _mouseTexCoords[5] = _mouseTexCoords[7] = _videoContext.mouseHeight / (GLfloat)_videoContext.mouseTexture.h; - free(_mouseCursor); - _mouseCursor = NULL; + glBindTexture(GL_TEXTURE_2D, _mouseCursorTexture); printOpenGLError(); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _videoContext.mouseTexture.w, _videoContext.mouseTexture.h, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, _videoContext.mouseTexture.pixels); printOpenGLError(); } - (void)updateMainSurface { @@ -362,7 +394,7 @@ const char *iPhone_getDocumentsDir() { // Unfortunately we have to update the whole texture every frame, since glTexSubImage2D is actually slower in all cases // due to the iPhone internals having to convert the whole texture back from its internal format when used. // In the future we could use several tiled textures instead. - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, _gameScreenTextureWidth, _gameScreenTextureHeight, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, _gameScreenTextureBuffer); printOpenGLError(); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, _videoContext.screenTexture.w, _videoContext.screenTexture.h, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, _videoContext.screenTexture.pixels); printOpenGLError(); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); printOpenGLError(); } @@ -371,78 +403,13 @@ const char *iPhone_getDocumentsDir() { glTexCoordPointer(2, GL_FLOAT, 0, _overlayTexCoords); printOpenGLError(); glBindTexture(GL_TEXTURE_2D, _overlayTexture); printOpenGLError(); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _overlayTexWidth, _overlayTexHeight, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, _overlayTexBuffer); printOpenGLError(); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _videoContext.overlayTexture.w, _videoContext.overlayTexture.h, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, _videoContext.overlayTexture.pixels); printOpenGLError(); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); printOpenGLError(); } - (void)updateMouseSurface { - int width = _videoContext.mouseWidth; - int height = _videoContext.mouseHeight; - - int mouseX = _videoContext.mouseX; - int mouseY = _videoContext.mouseY; - - int hotspotX = _videoContext.mouseHotspotX; - int hotspotY = _videoContext.mouseHotspotY; - - CGRect *rect; - int maxWidth, maxHeight; - - if (!_videoContext.overlayVisible) { - rect = &_gameScreenRect; - maxWidth = _videoContext.screenWidth; - maxHeight = _videoContext.screenHeight; - } else { - rect = &_overlayRect; - maxWidth = _videoContext.overlayWidth; - maxHeight = _videoContext.overlayHeight; - } - - const GLfloat scaleX = CGRectGetWidth(*rect) / (GLfloat)maxWidth; - const GLfloat scaleY = CGRectGetHeight(*rect) / (GLfloat)maxHeight; - - mouseX = (int)(mouseX * scaleX); - mouseY = (int)(mouseY * scaleY); - hotspotX = (int)(hotspotX * scaleX); - hotspotY = (int)(hotspotY * scaleY); - width = (int)(width * scaleX); - height = (int)(height * scaleY); - - mouseX -= hotspotX; - mouseY -= hotspotY; - - mouseX += (int)CGRectGetMinX(*rect); - mouseY += (int)CGRectGetMinY(*rect); - - GLfloat vertices[] = { - // Top left - mouseX , mouseY, - // Top right - mouseX + width, mouseY, - // Bottom left - mouseX , mouseY + height, - // Bottom right - mouseX + width, mouseY + height - }; - - //printf("Cursor: width %u height %u\n", _videoContext.mouseWidth, _videoContext.mouseHeight); - - float texWidth = _videoContext.mouseWidth / (float)getSizeNextPOT(_videoContext.mouseWidth); - float texHeight = _videoContext.mouseHeight / (float)getSizeNextPOT(_videoContext.mouseHeight); - - const GLfloat texCoords[] = { - // Top left - 0 , 0, - // Top right - texWidth, 0, - // Bottom left - 0 , texHeight, - // Bottom right - texWidth, texHeight - }; - - glVertexPointer(2, GL_FLOAT, 0, vertices); printOpenGLError(); - glTexCoordPointer(2, GL_FLOAT, 0, texCoords); printOpenGLError(); + glVertexPointer(2, GL_FLOAT, 0, _mouseVertCoords); printOpenGLError(); + glTexCoordPointer(2, GL_FLOAT, 0, _mouseTexCoords); printOpenGLError(); glBindTexture(GL_TEXTURE_2D, _mouseCursorTexture); printOpenGLError(); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); printOpenGLError(); @@ -487,16 +454,14 @@ const char *iPhone_getDocumentsDir() { } - (void)initSurface { - _gameScreenTextureWidth = getSizeNextPOT(_videoContext.screenWidth); - _gameScreenTextureHeight = getSizeNextPOT(_videoContext.screenHeight); + uint screenTexWidth = getSizeNextPOT(_videoContext.screenWidth); + uint screenTexHeight = getSizeNextPOT(_videoContext.screenHeight); - _gameScreenTexCoords[2] = _gameScreenTexCoords[6] = _videoContext.screenWidth / (GLfloat)_gameScreenTextureWidth; - _gameScreenTexCoords[5] = _gameScreenTexCoords[7] = _videoContext.screenHeight / (GLfloat)_gameScreenTextureHeight; + _gameScreenTexCoords[2] = _gameScreenTexCoords[6] = _videoContext.screenWidth / (GLfloat)screenTexWidth; + _gameScreenTexCoords[5] = _gameScreenTexCoords[7] = _videoContext.screenHeight / (GLfloat)screenTexHeight; int screenWidth, screenHeight; [self setUpOrientation:[[UIDevice currentDevice] orientation] width:&screenWidth height:&screenHeight]; - - //printf("Window: (%d, %d), Surface: (%d, %d), Texture(%d, %d)\n", _fullWidth, _fullHeight, _videoContext.screenWidth, _videoContext.screenHeight, _gameScreenTextureWidth, _gameScreenTextureHeight); if (_screenTexture > 0) { glDeleteTextures(1, &_screenTexture); printOpenGLError(); @@ -512,10 +477,7 @@ const char *iPhone_getDocumentsDir() { glGenTextures(1, &_overlayTexture); printOpenGLError(); [self setFilterModeForTexture:_overlayTexture]; - free(_gameScreenTextureBuffer); - int textureSize = _gameScreenTextureWidth * _gameScreenTextureHeight * 2; - _gameScreenTextureBuffer = (char *)malloc(textureSize); - memset(_gameScreenTextureBuffer, 0, textureSize); + _videoContext.screenTexture.create(screenTexWidth, screenTexHeight, Graphics::createPixelFormat<565>()); glBindRenderbufferOES(GL_RENDERBUFFER_OES, _viewRenderbuffer); printOpenGLError(); @@ -598,6 +560,7 @@ const char *iPhone_getDocumentsDir() { _overlayVertCoords[5] = _overlayVertCoords[7] = CGRectGetMaxY(_overlayRect); [self setViewTransformation]; + [self updateMouseCursorScaling]; } - (void)setViewTransformation { @@ -694,7 +657,7 @@ const char *iPhone_getDocumentsDir() { *y = (int)(point.y * height + offsetY); // Clip coordinates - if (*x < 0 || *x > CGRectGetWidth(*area) || *y < 0 || *y > CGRectGetHeight(*area)) + if (*x < 0 || *x > width || *y < 0 || *y > height) return false; return true; |