diff options
author | Claudio Ciccani <klan@users.sourceforge.net> | 2006-12-01 20:58:26 +0000 |
---|---|---|
committer | Claudio Ciccani <klan@users.sourceforge.net> | 2006-12-01 20:58:26 +0000 |
commit | e99d6746edeb80d73e356230dfe0d8ae8c643b65 (patch) | |
tree | d5686292b04e53aea3f149fcbee57a78d43e605f /src/mesa | |
parent | 73fdecca9fdd9e63aa5e57bcd67911fbb761d318 (diff) |
Be aware that the surface storage can change between locks.
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/drivers/directfb/idirectfbgl_mesa.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/src/mesa/drivers/directfb/idirectfbgl_mesa.c b/src/mesa/drivers/directfb/idirectfbgl_mesa.c index f5bbd127c28..3c8c6c256e6 100644 --- a/src/mesa/drivers/directfb/idirectfbgl_mesa.c +++ b/src/mesa/drivers/directfb/idirectfbgl_mesa.c @@ -85,8 +85,8 @@ typedef struct { int height; struct { - __u8 *start; - __u8 *end; + GLubyte *start; + GLubyte *end; int pitch; } video; @@ -213,10 +213,10 @@ IDirectFBGL_Mesa_Lock( IDirectFBGL *thiz ) &data->framebuffer, &data->framebuffer ); if (data->width != width || data->height != height) { + _mesa_resize_framebuffer( &data->context, + &data->framebuffer, width, height ); data->width = width; - data->height = height; - _mesa_resize_framebuffer(&data->context, - &data->framebuffer, width, height); + data->height = height; } data->locked++; @@ -394,23 +394,21 @@ dfbGetBufferSize( GLframebuffer *buffer, GLuint *width, GLuint *height ) static void dfbSetViewport( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h ) { - GLuint newWidth, newHeight; - GLframebuffer *buffer = ctx->WinSysDrawBuffer; - dfbGetBufferSize( buffer, &newWidth, &newHeight ); - if (buffer->Width != newWidth || buffer->Height != newHeight) { - _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight ); - } + /* Nothing to do (the surface can't be resized while it's locked). */ + return; } static void dfbClear( GLcontext *ctx, GLbitfield mask ) { IDirectFBGL_data *data = (IDirectFBGL_data*) ctx->DriverCtx; - - if (mask & BUFFER_BIT_FRONT_LEFT && - ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && + +#define BUFFER_BIT_MASK (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_FRONT_RIGHT | \ + BUFFER_BIT_BACK_LEFT | BUFFER_BIT_BACK_RIGHT ) + if (mask & BUFFER_BIT_MASK && + ctx->Color.ColorMask[0] && + ctx->Color.ColorMask[1] && + ctx->Color.ColorMask[2] && ctx->Color.ColorMask[3]) { DFBRegion clip; @@ -421,27 +419,29 @@ dfbClear( GLcontext *ctx, GLbitfield mask ) UNCLAMPED_FLOAT_TO_UBYTE( g, ctx->Color.ClearColor[GCOMP] ); UNCLAMPED_FLOAT_TO_UBYTE( b, ctx->Color.ClearColor[BCOMP] ); - data->surface->Unlock( data->surface ); - clip.x1 = ctx->DrawBuffer->_Xmin; clip.y1 = ctx->DrawBuffer->_Ymin; clip.x2 = ctx->DrawBuffer->_Xmax - 1; clip.y2 = ctx->DrawBuffer->_Ymax - 1; data->surface->SetClip( data->surface, &clip ); + data->surface->Unlock( data->surface ); + data->surface->Clear( data->surface, r, g, b, a ); data->surface->Lock( data->surface, DSLF_READ | DSLF_WRITE, (void*)&data->video.start, &data->video.pitch ); + data->video.end = data->video.start + (data->height-1) * data->video.pitch; + data->render.Data = data->video.start; - mask &= ~BUFFER_BIT_FRONT_LEFT; + mask &= ~BUFFER_BIT_MASK; } +#undef BUFFER_BIT_MASK if (mask) _swrast_Clear( ctx, mask ); -} - - +} + /************************ RenderBuffer functions *****************************/ |