-/* $Id: PictureGLView.mm,v 1.3 2003/11/03 22:01:13 titer Exp $
+/* $Id: PictureGLView.mm,v 1.18 2005/08/01 15:10:44 titer Exp $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.m0k.org/>.
It may be used under the terms of the GNU General Public License. */
+#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
+#include <OpenGL/glext.h>
#include <math.h>
#include "PictureGLView.h"
-#define PROUT 2.5
-
-/* XXX This file needs some serious cleaning XXX */
-
-GLuint texture[2];
-float rotation;
-float translation;
-uint8_t * truc;
-
-@implementation HBPictureGLView
-
-- (void) SetHandle: (HBHandle*) handle
+static int GetAlignedSize( int size )
{
- fHandle = handle;
-}
-
-- (void) SetTitle: (HBTitle*) title
-{
- fTitle = title;
-
- /* This is needed as the view's size may have changed */
- [self clearGLContext];
- [self openGLContext];
-}
-
-- (void) ShowPicture: (int) index animate: (int) how
-{
- if( fOldPicture ) free( fOldPicture );
- fOldPicture = fPicture;
-
- /* Get the picture */
- uint8_t * tmp = HBGetPreview( fHandle, fTitle, index );
-
- /* Make it be upside-down */
- fPicture = (uint8_t*) malloc( 4 * ( fTitle->outWidthMax + 2 ) *
- ( fTitle->outHeightMax + 2 ) );
- uint8_t * in = tmp;
- uint8_t * out = fPicture +
- 4 * ( fTitle->outWidthMax + 2 ) * ( fTitle->outHeightMax + 1 );
- for( int i = 0; i < fTitle->outHeightMax + 2; i++ )
- {
- memcpy( out, in, 4 * ( fTitle->outWidthMax + 2 ) );
- in += 4 * ( fTitle->outWidthMax + 2 );
- out -= 4 * ( fTitle->outWidthMax + 2 );
- }
- free( tmp );
-
- /* ARGB -> RGBA */
- uint32_t * p = (uint32_t*) fPicture;
- for( int i = 0;
- i < ( fTitle->outHeightMax + 2 ) * ( fTitle->outWidthMax + 2 );
- i++ )
- {
- *(p++) = ( ( (*p) & 0xff000000 ) >> 24 ) |
- ( ( (*p) & 0x00ff0000 ) << 8 ) |
- ( ( (*p) & 0x0000ff00 ) << 8 ) |
- ( ( (*p) & 0x000000ff ) << 8 );
- }
-
- if( how == HB_ANIMATE_NONE )
+ int result = 1;
+ while( result < size )
{
- [self drawRect: [self bounds]];
- return;
+ result *= 2;
}
-
- in = fOldPicture;
- out = truc;
- for( int i = 0; i < fTitle->outHeightMax + 2; i++ )
- {
- memcpy( out, in, ( fTitle->outWidthMax + 2 ) * 4 );
- in += ( fTitle->outWidthMax + 2 ) * 4;
- out += 1024 * 4;
- }
- glBindTexture( GL_TEXTURE_2D, texture[0] );
- glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 1024,
- 1024, 0, GL_RGBA,
- GL_UNSIGNED_BYTE, truc );
- glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
-
- in = fPicture;
- out = truc;
- for( int i = 0; i < fTitle->outHeightMax + 2; i++ )
- {
- memcpy( out, in, ( fTitle->outWidthMax + 2 ) * 4 );
- in += ( fTitle->outWidthMax + 2 ) * 4;
- out += 1024 * 4;
- }
- glBindTexture( GL_TEXTURE_2D, texture[1] );
- glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 1024,
- 1024, 0, GL_RGBA,
- GL_UNSIGNED_BYTE, truc );
- glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
-
- glEnable( GL_TEXTURE_2D );
- glShadeModel( GL_SMOOTH );
- glClearColor( 0.0f, 0.0f, 0.0f, 0.5f );
- glClearDepth( 1.0f );
- glEnable( GL_DEPTH_TEST );
- glDepthFunc( GL_LEQUAL );
- glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );
-
-#define ANIMATION_TIME 500000
-
- rotation = 0.0;
- float w = ( how == HB_ANIMATE_LEFT ) ? 1.0 : -1.0;
- uint64_t date;
- int64_t wait;
- for( ;; )
- {
- date = HBGetDate();
- translation = - PROUT - cos( rotation * M_PI / 180 ) *
- ( 1 + w * tan( rotation * M_PI / 180 ) );
-
- [self drawAnimation: how];
-
- rotation += w;
- if( w * rotation >= 90.0 )
- {
- break;
- }
-
- wait = ANIMATION_TIME / 90 - ( HBGetDate() - date );
- if( wait > 0 )
- {
- HBSnooze( wait );
- }
- }
-
- [self drawRect: [self bounds]];
+ return result;
}
+@implementation HBPictureGLView
+
- (id) initWithFrame: (NSRect) frame
{
- fHandle = NULL;
- fTitle = NULL;
- fPicture = NULL;
- fOldPicture = NULL;
+ fHasQE = CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay );
+ fTarget = fHasQE ? GL_TEXTURE_RECTANGLE_EXT : GL_TEXTURE_2D;
+ fBuffers[0] = NULL;
+ fBuffers[1] = NULL;
+ fWidth = 0;
+ fHeight = 0;
+
+ fLastEffect = -1;
+
GLuint attribs[] =
{
NSOpenGLPFANoRecovery,
[[self openGLContext] makeCurrentContext];
[self reshape];
- glGenTextures( 2, texture );
- truc = (uint8_t*) malloc( 1024*1024*4 );
+ glGenTextures( 2, fTextures );
return self;
}
-/*
- * Resize ourself
- */
- (void) reshape
{
- NSRect bounds;
+ NSRect bounds;
+ [[self openGLContext] update];
+ [[self openGLContext] makeCurrentContext];
+ bounds = [self bounds];
+ glViewport( 0, 0, (int) bounds.size.width,
+ (int) bounds.size.height );
+}
+
+- (void) drawRect: (NSRect) rect
+{
+ [[self openGLContext] makeCurrentContext];
+
+ glDisable( GL_DEPTH_TEST );
+ glDisable( GL_CULL_FACE );
+ glDisable( GL_BLEND );
- [[self openGLContext] update];
- bounds = [self bounds];
- glViewport( 0, 0, (GLsizei) bounds.size.width,
- (GLsizei) bounds.size.height );
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ if( fBuffers[0] )
+ {
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ glEnable( fTarget );
+ glBindTexture( fTarget, fTextures[0] );
+ glTexImage2D( fTarget, 0, GL_RGBA, fTexWidth, fTexHeight, 0,
+ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, fBuffers[0] );
+ glTexParameteri( fTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexParameteri( fTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0 , 0.0 ); glVertex2f( -1.0, 1.0 );
+ glTexCoord2f( 0.0 , fCoordY ); glVertex2f( -1.0, -1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex2f( 1.0, -1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex2f( 1.0, 1.0 );
+ glEnd();
+ }
+ [[self openGLContext] flushBuffer];
}
-- (void) drawAnimation: (int) how
+#define FRUSTUM_NEAR 2.5
+#define FRUSTUM_FAR 20.0
+
+- (void) drawCube: (int) anim
{
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
- glMatrixMode( GL_PROJECTION );
- glLoadIdentity();
- glFrustum( -1.0, 1.0, -1.0, 1.0, PROUT, 20.0 );
- glMatrixMode( GL_MODELVIEW );
- glLoadIdentity();
- glTranslatef( 0.0, 0.0, translation );
- glRotatef( rotation, 0.0, 1.0, 0.0 );
-
- glEnable( GL_POLYGON_SMOOTH );
- glHint( GL_POLYGON_SMOOTH_HINT, GL_NICEST );
-
- glBindTexture( GL_TEXTURE_2D, texture[0] );
-
- glBegin( GL_QUADS );
- glTexCoord2f( 0.0, 0.0 );
- glVertex3f( -1.0, -1.0, 1.0 );
- glTexCoord2f( ( 2.0 + fTitle->outWidthMax ) / 1024, 0.0 );
- glVertex3f( 1.0, -1.0, 1.0 );
- glTexCoord2f( ( 2.0 + fTitle->outWidthMax ) / 1024,
- ( 2.0 + fTitle->outHeightMax ) / 1024 );
- glVertex3f( 1.0, 1.0, 1.0 );
- glTexCoord2f( 0.0, ( 2.0 + fTitle->outHeightMax ) / 1024 );
- glVertex3f( -1.0, 1.0, 1.0 );
- glEnd();
-
- glBindTexture( GL_TEXTURE_2D, texture[1] );
-
- glBegin( GL_QUADS );
- if( how == HB_ANIMATE_RIGHT )
- {
- glTexCoord2f( 0.0, 0.0 );
- glVertex3f( 1.0, -1.0, 1.0 );
- glTexCoord2f( ( 2.0 + fTitle->outWidthMax ) / 1024, 0.0 );
- glVertex3f( 1.0, -1.0, -1.0 );
- glTexCoord2f( ( 2.0 + fTitle->outWidthMax ) / 1024,
- ( 2.0 + fTitle->outHeightMax ) / 1024 );
- glVertex3f( 1.0, 1.0, -1.0 );
- glTexCoord2f( 0.0, ( 2.0 + fTitle->outHeightMax ) / 1024 );
- glVertex3f( 1.0, 1.0, 1.0 );
- }
- else
- {
- glTexCoord2f( 0.0, 0.0 );
- glVertex3f( -1.0, -1.0, -1.0 );
- glTexCoord2f( ( 2.0 + fTitle->outWidthMax ) / 1024, 0.0 );
- glVertex3f( -1.0, -1.0, 1.0 );
- glTexCoord2f( ( 2.0 + fTitle->outWidthMax ) / 1024,
- ( 2.0 + fTitle->outHeightMax ) / 1024 );
- glVertex3f( -1.0, 1.0, 1.0 );
- glTexCoord2f( 0.0, ( 2.0 + fTitle->outHeightMax ) / 1024 );
- glVertex3f( -1.0, 1.0, -1.0 );
- }
- glEnd();
-
- [[self openGLContext] flushBuffer];
+ uint64_t date;
+ float w, rotation, translation;
+
+ w = ( anim & HB_ANIMATE_BACKWARD ) ? 1.0 : -1.0;
+
+ glEnable( GL_DEPTH_TEST );
+ glEnable( GL_CULL_FACE );
+ glDisable( GL_BLEND );
+
+ for( rotation = 0.0; w * rotation < 90.0;
+ rotation += w * 90 * 1000 / fAnimDuration / fFrameRate )
+ {
+ date = hb_get_date();
+ translation = - FRUSTUM_NEAR - cos( rotation * M_PI / 180 ) *
+ ( 1 + w * tan( rotation * M_PI / 180 ) );
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, FRUSTUM_NEAR, FRUSTUM_FAR );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, translation );
+ glRotatef( rotation, 0.0, 1.0, 0.0 );
+
+ glBindTexture( fTarget, fTextures[0] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0 , 0.0 ); glVertex3f( -1.0, 1.0, 1.0 );
+ glTexCoord2f( 0.0 , fCoordY ); glVertex3f( -1.0, -1.0, 1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex3f( 1.0, -1.0, 1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex3f( 1.0, 1.0, 1.0 );
+ glEnd();
+
+ glBindTexture( fTarget, fTextures[1] );
+ glBegin( GL_QUADS );
+ if( anim & HB_ANIMATE_FORWARD )
+ {
+ glTexCoord2f( 0.0, 0.0 ); glVertex3f( 1.0, 1.0, 1.0 );
+ glTexCoord2f( 0.0, fCoordY ); glVertex3f( 1.0, -1.0, 1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex3f( 1.0, -1.0, -1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex3f( 1.0, 1.0, -1.0 );
+ }
+ else
+ {
+ glTexCoord2f( 0.0, 0.0 ); glVertex3f( -1.0, 1.0, -1.0 );
+ glTexCoord2f( 0.0, fCoordY ); glVertex3f( -1.0, -1.0, -1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex3f( -1.0, -1.0, 1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex3f( -1.0, 1.0, 1.0 );
+ }
+ glEnd();
+
+ [[self openGLContext] flushBuffer];
+
+ hb_snooze( 1000 / fFrameRate - ( hb_get_date() - date ) );
+ }
+
}
-- (void) drawRect: (NSRect) rect
+- (void) drawSwap: (int) anim
{
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+ uint64_t date;
+ float w, rotation, x, z;
+
+ w = ( anim & HB_ANIMATE_BACKWARD ) ? 1.0 : -1.0;
- if( !fPicture )
- {
- return;
- }
+ glEnable( GL_DEPTH_TEST );
+ glEnable( GL_CULL_FACE );
+ glDisable( GL_BLEND );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glFrustum( -1.0, 1.0, -1.0, 1.0, FRUSTUM_NEAR, FRUSTUM_FAR );
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ glTranslatef( 0.0, 0.0, - FRUSTUM_NEAR - 1.0 );
+
+ for( rotation = 0.0; w * rotation < 180.0;
+ rotation += w * 180 * 1000 / fAnimDuration / fFrameRate )
+ {
+ date = hb_get_date();
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ x = 1.1 * sin( rotation * M_PI / 180 );
+ z = cos( rotation * M_PI / 180 );
+
+ glBindTexture( fTarget, fTextures[0] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0, 0.0 ); glVertex3f( -1.0 + x, 1.0, z );
+ glTexCoord2f( 0.0, fCoordY ); glVertex3f( -1.0 + x, -1.0, z );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex3f( 1.0 + x, -1.0, z );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex3f( 1.0 + x, 1.0, z );
+ glEnd();
+
+ glBindTexture( fTarget, fTextures[1] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0, 0.0 ); glVertex3f( -1.0 - x, 1.0, - z );
+ glTexCoord2f( 0.0, fCoordY ); glVertex3f( -1.0 - x, -1.0, - z );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex3f( 1.0 - x, -1.0, - z );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex3f( 1.0 - x, 1.0, - z );
+ glEnd();
+
+ [[self openGLContext] flushBuffer];
+
+ hb_snooze( 1000 / fFrameRate - ( hb_get_date() - date ) );
+ }
+}
+
+- (void) drawFade
+{
+ uint64_t date;
+ float alpha;
+
+ glDisable( GL_DEPTH_TEST );
+ glDisable( GL_CULL_FACE );
+ glEnable( GL_BLEND );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ for( alpha = 0.0; alpha < 1.0;
+ alpha += 1000.0 / fAnimDuration / fFrameRate )
+ {
+ date = hb_get_date();
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glColor4f( 1.0, 1.0, 1.0, 1.0 - alpha );
+ glBlendFunc( GL_SRC_ALPHA, GL_ONE );
+
+ glBindTexture( fTarget, fTextures[0] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, 1.0 );
+ glTexCoord2f( 0.0, fCoordY ); glVertex2f( -1.0, -1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex2f( 1.0, -1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex2f( 1.0, 1.0 );
+ glEnd();
+
+ glColor4f( 1.0, 1.0, 1.0, alpha );
+ glBlendFunc( GL_SRC_ALPHA, GL_ONE );
+
+ glBindTexture( fTarget, fTextures[1] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0, 0.0 ); glVertex2f( -1.0, 1.0 );
+ glTexCoord2f( 0.0, fCoordY ); glVertex2f( -1.0, -1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex2f( 1.0, -1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex2f( 1.0, 1.0 );
+ glEnd();
+
+ [[self openGLContext] flushBuffer];
+
+ hb_snooze( 1000 / fFrameRate - ( hb_get_date() - date ) );
+ }
+}
+
+- (void) drawSlide: (int) anim
+{
+ uint64_t date;
+ float foo, w;
+ int left, right;
+ if( anim & HB_ANIMATE_FORWARD )
+ {
+ left = 0;
+ right = 1;
+ w = 1.0;
+ }
+ else
+ {
+ left = 1;
+ right = 0;
+ w = -1.0;
+ }
+
+ glDisable( GL_DEPTH_TEST );
+ glDisable( GL_CULL_FACE );
+ glDisable( GL_BLEND );
+
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+
+ for( foo = w; foo >= -1.0 && foo <= 1.0;
+ foo -= w * 2000.0 / fAnimDuration / fFrameRate )
+ {
+ date = hb_get_date();
+
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glBindTexture( fTarget, fTextures[left] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0, 0.0 ); glVertex2f( foo - 2.0, 1.0 );
+ glTexCoord2f( 0.0, fCoordY ); glVertex2f( foo - 2.0, -1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex2f( foo, -1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex2f( foo, 1.0 );
+ glEnd();
- glDrawPixels( fTitle->outWidthMax + 2,
- fTitle->outHeightMax + 2, GL_RGBA,
- GL_UNSIGNED_BYTE, fPicture );
+ glBindTexture( fTarget, fTextures[right] );
+ glBegin( GL_QUADS );
+ glTexCoord2f( 0.0, 0.0 ); glVertex2f( foo, 1.0 );
+ glTexCoord2f( 0.0, fCoordY ); glVertex2f( foo, -1.0 );
+ glTexCoord2f( fCoordX, fCoordY ); glVertex2f( foo + 2.0, -1.0 );
+ glTexCoord2f( fCoordX, 0.0 ); glVertex2f( foo + 2.0, 1.0 );
+ glEnd();
- [[self openGLContext] flushBuffer];
+ [[self openGLContext] flushBuffer];
+
+ hb_snooze( 1000 / fFrameRate - ( hb_get_date() - date ) );
+ }
+}
+
+#undef FRUSTUM_NEAR
+#undef FRUSTUM_FAR
+
+- (void) drawAnimation: (int) anim
+{
+ glEnable( fTarget );
+
+ glBindTexture( fTarget, fTextures[0] );
+ glTexImage2D( fTarget, 0, GL_RGBA, fTexWidth, fTexHeight, 0,
+ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, fBuffers[1] );
+ glTexParameteri( fTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexParameteri( fTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+
+ glBindTexture( fTarget, fTextures[1] );
+ glTexImage2D( fTarget, 0, GL_RGBA, fTexWidth, fTexHeight, 0,
+ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, fBuffers[0] );
+ glTexParameteri( fTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexParameteri( fTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+
+ /* Draw a random animation, just making sure we don't use the same
+ effect two times in a row */
+ int effect;
+ do
+ {
+ effect = hb_get_date() % 4;
+ }
+ while( effect == fLastEffect );
+
+ fAnimDuration = ( anim & HB_ANIMATE_SLOW ) ? 3000 : 600;
+ fFrameRate = 60.0;
+
+ switch( effect )
+ {
+ case 0:
+ [self drawCube: anim];
+ break;
+ case 1:
+ [self drawSwap: anim];
+ break;
+ case 2:
+ [self drawFade];
+ break;
+ case 3:
+ [self drawSlide: anim];
+ break;
+ }
+
+ fLastEffect = effect;
+}
+
+- (void) Display: (int) anim buffer1: (uint8_t *) buffer1
+ buffer2: (uint8_t *) buffer2 width: (int) width height: (int) height
+{
+ [[self openGLContext] makeCurrentContext];
+
+ if( width != fWidth || height != fHeight )
+ {
+ fWidth = width;
+ fHeight = height;
+ if( fHasQE )
+ {
+ fTexWidth = fWidth;
+ fTexHeight = fHeight;
+ fCoordX = (float) fWidth;
+ fCoordY = (float) fHeight;
+ }
+ else
+ {
+ fTexWidth = GetAlignedSize( fWidth );
+ fTexHeight = GetAlignedSize( fHeight );
+ fCoordX = (float) fWidth / (float) fTexWidth;
+ fCoordY = (float) fHeight / (float) fTexHeight;
+ }
+ [self clearGLContext];
+ [self openGLContext];
+ [self reshape];
+ }
+
+ fBuffers[0] = buffer1;
+ fBuffers[1] = buffer2;
+
+ /* Swap buffers only during the vertical retrace of the monitor.
+ http://developer.apple.com/documentation/GraphicsImaging/
+ Conceptual/OpenGL/chap5/chapter_5_section_44.html */
+ long params[] = { 1 };
+ CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval,
+ params );
+
+ if( !( anim & HB_ANIMATE_NONE ) )
+ {
+ [self drawAnimation: anim];
+ }
+
+ [self drawRect: [self bounds]];
}
@end
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