Massively cleaned up the code that calculates front/back/depth buffer

pitch and size.  Cut out a bunch of dead code.

This fixes bugzilla #1555.

diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c
index d62e5c2b1dacc433d7904e167b9eacd017ad9dd6..bae15cd5b56918e2488ef5bca867785052141244 100644 (file)
--- a/src/mesa/drivers/dri/unichrome/via_context.c
+++ b/src/mesa/drivers/dri/unichrome/via_context.c
@@ -136,6 +136,110 @@ static const GLubyte *viaGetString(GLcontext *ctx, GLenum name)
    }
 }
 
+
+/**
+ * Calculate a width that satisfies the hardware's alignment requirements.
+ * On the Unichrome hardware, each scanline must be aligned to a multiple of
+ * 16 pixels.
+ *
+ * \param width  Minimum buffer width, in pixels.
+ * 
+ * \returns A pixel width that meets the alignment requirements.
+ */
+static __inline__ unsigned
+buffer_align( unsigned width )
+{
+    return (width + 0x0f) & ~0x0f;
+}
+
+
+/**
+ * Calculate the framebuffer parameters for all buffers (front, back, depth,
+ * and stencil) associated with the specified context.
+ * 
+ * \warning
+ * This function also calls \c AllocateBuffer to actually allocate the
+ * buffers.
+ * 
+ * \sa AllocateBuffer
+ */
+static GLboolean
+calculate_buffer_parameters( viaContextPtr vmesa )
+{
+    const unsigned shift = vmesa->viaScreen->bitsPerPixel / 16;
+    const unsigned extra = (vmesa->drawType == GLX_PBUFFER_BIT) ? 0 : 32;
+    unsigned w;
+    unsigned h;
+
+    if (vmesa->drawType == GLX_PBUFFER_BIT) {
+       w = vmesa->driDrawable->w;
+       h = vmesa->driDrawable->h;
+    }
+    else { 
+       w = vmesa->viaScreen->width;
+       h = vmesa->viaScreen->height;
+
+       vmesa->front.offset = 0;
+       vmesa->front.map = (char *) vmesa->driScreen->pFB;
+    }
+
+    vmesa->front.pitch = buffer_align( w ) << shift;
+    vmesa->front.size = vmesa->front.pitch * h;
+
+
+    /* Allocate back-buffer */
+
+    vmesa->back.pitch = (buffer_align( vmesa->driDrawable->w ) << shift) 
+      + extra;
+    vmesa->back.size = vmesa->back.pitch * vmesa->driDrawable->h;
+
+#ifdef DEBUG
+    if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent backbuffer: w = %d h = %d bpp = %d sizs = %d\n",
+                          vmesa->back.pitch, 
+                          vmesa->driDrawable->h,
+                          8 << shift,
+                          vmesa->back.size);
+#endif
+
+    /* Allocate depth-buffer */
+    if ( vmesa->hasStencil || vmesa->hasDepth ) {
+       const unsigned dShift = (vmesa->hasStencil)
+         ? 2 : (vmesa->depthBits / 16);
+
+       vmesa->depth.pitch = (buffer_align( vmesa->driDrawable->w ) << dShift)
+         + extra;
+       vmesa->depth.bpp = 8 << dShift;
+       vmesa->depth.size = vmesa->depth.pitch * vmesa->driDrawable->h;
+    }
+    else {
+       (void) memset( & vmesa->depth, 0, sizeof( vmesa->depth ) );
+    }
+
+#ifdef DEBUG
+    if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent depthbuffer: w = %d h = %d bpp = %d sizs = %d\n", 
+                          vmesa->depth.pitch,
+                          vmesa->driDrawable->h,
+                          vmesa->depth.bpp,
+                          vmesa->depth.size);
+#endif
+
+    /*=* John Sheng [2003.5.31] flip *=*/
+    if( (vmesa->viaScreen->width == vmesa->driDrawable->w)
+       && (vmesa->viaScreen->height == vmesa->driDrawable->h) ) {
+       vmesa->doPageFlip = GL_FALSE;
+       vmesa->currentPage = 0;
+       vmesa->back.pitch = vmesa->front.pitch;
+    }
+
+    if (!AllocateBuffer(vmesa)) {
+       FREE(vmesa);
+       return GL_FALSE;
+    }
+    
+    return GL_TRUE;
+}
+
+
 void viaReAllocateBuffers(GLframebuffer *drawbuffer)
 {
     GLcontext *ctx;
@@ -152,95 +256,11 @@ void viaReAllocateBuffers(GLframebuffer *drawbuffer)
      
     vmesa->driDrawable->w = ctx->DrawBuffer->Width;
     vmesa->driDrawable->h = ctx->DrawBuffer->Height;
+
     LOCK_HARDWARE(vmesa);
-    
-    /* Allocate back & depth buffer */
-    {
-       int w, h, bpp;      
-       w = vmesa->driDrawable->w;
-       h = vmesa->driDrawable->h;
-       /* back buffer */
-       bpp = vmesa->viaScreen->bitsPerPixel;
-#ifdef DEBUG       
-       if (VIA_DEBUG) fprintf(stderr, "driScreen->fbBPP = %d\n", bpp);     
-#endif     
-       if (bpp == 32) {
-           w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-           vmesa->back.size = w * h * bpp / 8;
-           vmesa->back.pitch = w << 2;
-       }
-       else {
-           w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
-           vmesa->back.size = w * h * bpp / 8;
-           vmesa->back.pitch = w << 1;        
-       }
-#ifdef DEBUG
-       if (VIA_DEBUG) fprintf(stderr, "resizebuffer backbuffer: w = %d h = %d bpp = %d sizs = %d\n", 
-                           w, h, bpp, vmesa->back.size);
-#endif
-       /* depth buffer */
-       w = vmesa->driDrawable->w;
-       if (vmesa->hasDepth && vmesa->hasStencil) {
-           w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-           vmesa->depth.size = w * h * 4;
-           vmesa->depth.pitch = w << 2;
-           vmesa->depth.bpp = 32;
-#ifdef DEBUG
-           if (VIA_DEBUG) fprintf(stderr, "depthBits = 24\n");
-           if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
-#endif
-       }
-       else if (vmesa->hasDepth) {
-           /*=* John Sheng [2003.6.16] patch viewperf drv-08 draw nothing */
-           /*if(vmesa->viaScreen->bitsPerPixel == 32)*/
-               /*vmesa->depthBits = 16;*/
-               
-           if (vmesa->depthBits == 16) {
-               w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
-               vmesa->depth.size = w * h * 2;         
-               vmesa->depth.pitch = w << 1;
-               vmesa->depth.bpp = 16;
-#ifdef DEBUG
-               if (VIA_DEBUG) fprintf(stderr, "depthBits = 16\n");
-#endif
-           }
-           else {
-               w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-               vmesa->depth.size = w * h * 4;
-               vmesa->depth.pitch = w << 2;
-               vmesa->depth.bpp = 32;
-#ifdef DEBUG
-               if (VIA_DEBUG) fprintf(stderr, "depthBits = 32\n");
-#endif
-           }
-       }
-       else if (vmesa->hasStencil) {
-           w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-           vmesa->depth.size = w * h * 4;
-           vmesa->depth.pitch = w << 2;
-           vmesa->depth.bpp = 32;
-#ifdef DEBUG           
-           if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
-#endif
-       }
-#ifdef DEBUG
-       if (VIA_DEBUG) fprintf(stderr, "resizebuffer depthbuffer: w = %d h = %d bpp = %d sizs = %d\n", 
-                                   w, h, vmesa->depth.bpp, vmesa->depth.size);
-#endif 
-       /*=* John Sheng [2003.5.31] flip *=*/
-       {
-           if(vmesa->viaScreen->width == vmesa->driDrawable->w &&
-               vmesa->viaScreen->height == vmesa->driDrawable->h) {
-               vmesa->back.pitch = vmesa->front.pitch;
-               vmesa->back.size = vmesa->front.size;
-           }
-       }
-    
-       if (!AllocateBuffer(vmesa)) {
-           FREE(vmesa);
-       }
-    }
+    calculate_buffer_parameters( vmesa );
     UNLOCK_HARDWARE(vmesa);
+
 #ifdef DEBUG
     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
 #endif
@@ -259,14 +279,14 @@ static void viaBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
 static const char * const card_extensions[] = 
 {
    "GL_ARB_multitexture",
-   "GL_ARB_point_parameters",        /* John Sheng [2003.7.18] point param. */
+   "GL_ARB_point_parameters",
    "GL_ARB_texture_env_add",
-   "GL_ARB_texture_env_combine",     /* John Sheng [2003.7.18] tex combine */
-   "GL_ARB_texture_env_dot3",        /* John Sheng [2003.7.18] tex dot3 */
+   "GL_ARB_texture_env_combine",
+   "GL_ARB_texture_env_dot3",
    "GL_ARB_texture_mirrored_repeat",
    "GL_EXT_stencil_wrap",
-   "GL_EXT_texture_env_combine",     /* John Sheng [2003.7.18] tex combine */
-   "GL_EXT_texture_env_dot3",        /* John Sheng [2003.7.18] tex dot3 */
+   "GL_EXT_texture_env_combine",
+   "GL_EXT_texture_env_dot3",
    "GL_EXT_texture_lod_bias",
    "GL_NV_blend_square",
    NULL
@@ -569,12 +589,12 @@ viaCreateContext(const __GLcontextModes *mesaVis,
     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);    
 #endif
     {
-       GLboolean saam;
-       int count = 0, fbSize;
 #ifndef USE_XINERAMA
         vmesa->saam = 0;
 #else
-       saam = XineramaIsActive(vmesa->display);
+       GLboolean saam = XineramaIsActive(vmesa->display);
+       int count = 0, fbSize;
+
        if (saam && vmesa->viaScreen->drixinerama) {
            vmesa->xsi = XineramaQueryScreens(vmesa->display, &count);
            /* Test RightOf or Down */
@@ -718,8 +738,10 @@ void viaXMesaSetBackClipRects(viaContextPtr vmesa)
 void viaXMesaWindowMoved(viaContextPtr vmesa)
 {
     GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
+#ifdef USE_XINERAMA
     GLuint side = 0;
     __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+#endif
     
     switch (vmesa->glCtx->Color._DrawDestMask[0]) {
     case __GL_FRONT_BUFFER_MASK: 
@@ -906,178 +928,22 @@ viaMakeCurrent(__DRIcontextPrivate *driContextPriv,
        fprintf(stderr, "driContextPriv = %08x\n", (GLuint)driReadPriv);
     }  
 #endif    
-    
+
     if (driContextPriv) {
         viaContextPtr vmesa = (viaContextPtr)driContextPriv->driverPrivate;
+
        current_mesa = vmesa;
-       
-       vmesa->driDrawable = driDrawPriv;
-       if (vmesa->drawType == GLX_PBUFFER_BIT) {
-           int w, h, bpp;
-           
-           w = vmesa->driDrawable->w;
-           h = vmesa->driDrawable->h;
-           bpp = vmesa->viaScreen->bitsPerPixel;
-           if (bpp == 32) {
-               w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
-               vmesa->front.size = w * h * bpp / 8;
-               vmesa->front.pitch = w << 2;
-           }
-           else {
-               w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
-               vmesa->front.size = w * h * bpp / 8;
-               vmesa->front.pitch = w << 1;           
-           }   
-       }
-       /*=* John Sheng [2003.6.20] fix resolution 720x480/720x576 front pitch error *=*/
-       else { 
-           GLuint w;
-           GLuint h;
-           GLuint bpp;
-           bpp = vmesa->viaScreen->bitsPerPixel;
-           h = vmesa->viaScreen->height;
-           w = vmesa->viaScreen->width;
-           if (bpp == 0x20) {
-               w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
-               vmesa->front.size = w * h * bpp / 8;
-               vmesa->front.pitch = w << 2;
-#ifdef DEBUG
-               if (VIA_DEBUG) fprintf(stderr, "viaScreen->bitsPerPixel = %d\n", 32);       
-#endif
-           } 
-           else if (bpp == 0x10) {
-               w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
-               vmesa->front.size = w * h * bpp / 8;
-               vmesa->front.pitch = w << 1;           
-#ifdef DEBUG
-               if (VIA_DEBUG) fprintf(stderr, "viaScreen->bitsPerPixel = %d\n", 16);       
-#endif
-           }
-           vmesa->front.offset = 0;
-           vmesa->front.map = (char *) vmesa->driScreen->pFB;
-           vmesa->front.size = w * h * vmesa->viaScreen->bitsPerPixel /8;
-       }
-       
-       /* Allocate back & depth buffer */
-       {
-           int w, h, bpp;
-           
-           w = vmesa->driDrawable->w;
-#ifdef DEBUG
-           if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent: w = %d\n", w);          
-#endif     
-           h = vmesa->driDrawable->h;
-           
-           /* back buffer */
-           bpp = vmesa->viaScreen->bitsPerPixel;
-#ifdef DEBUG       
-           if (VIA_DEBUG) fprintf(stderr, "driScreen->fbBPP = %d\n", bpp);         
-#endif     
-           if (bpp == 32) {
-               if (vmesa->drawType == GLX_PBUFFER_BIT)
-                   w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
-               else
-                   w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-               
-               vmesa->back.size = w * h * bpp / 8;
-               vmesa->back.pitch = w << 2;
-           }
-           else {
-               if (vmesa->drawType == GLX_PBUFFER_BIT)
-                   w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
-               else
-                   w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
-               
-               vmesa->back.size = w * h * bpp / 8;
-               vmesa->back.pitch = w << 1;            
-           }
-#ifdef DEBUG
-           if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent backbuffer: w = %d h = %d bpp = %d sizs = %d\n", 
-                                   w, h, bpp, vmesa->back.size);
-#endif
-           /* depth buffer */
-           w = vmesa->driDrawable->w;
-
-           if (vmesa->hasDepth && vmesa->hasStencil) {
-               if (vmesa->drawType == GLX_PBUFFER_BIT)
-                   w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
-               else
-                   w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-
-               vmesa->depth.size = w * h * 4;
-               vmesa->depth.pitch = w << 2;
-               vmesa->depth.bpp = 32;
-#ifdef DEBUG
-               if (VIA_DEBUG) fprintf(stderr, "depthBits = 24\n");
-               if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
-#endif
-           }
-           else if (vmesa->hasDepth) {
 
-               /*=* John Sheng [2003.6.16] patch viewperf drv-08 draw nothing */
-               /*if(vmesa->viaScreen->bitsPerPixel == 32)*/
-                   /*vmesa->depthBits = 16;*/
-                   
-               if (vmesa->depthBits == 16) {
-                   if (vmesa->drawType == GLX_PBUFFER_BIT)
-                       w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
-                   else
-                       w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
-
-                   vmesa->depth.size = w * h * 2;             
-                   vmesa->depth.pitch = w << 1;
-                   vmesa->depth.bpp = 16;
-#ifdef DEBUG
-                   if (VIA_DEBUG) fprintf(stderr, "depthBits = 16\n");
-#endif
-               }
-               else {
-                   if (vmesa->drawType == GLX_PBUFFER_BIT)
-                       w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
-                   else
-                       w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-
-                   vmesa->depth.size = w * h * 4;
-                   vmesa->depth.pitch = w << 2;
-                   vmesa->depth.bpp = 32;
 #ifdef DEBUG
-                   if (VIA_DEBUG) fprintf(stderr, "depthBits = 32\n");
-#endif
-               }
-           }
-           else if (vmesa->hasStencil) {
-               if (vmesa->drawType == GLX_PBUFFER_BIT)
-                   w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
-               else
-                   w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
-
-               vmesa->depth.size = w * h * 4;
-               vmesa->depth.pitch = w << 2;
-               vmesa->depth.bpp = 32;
-#ifdef DEBUG           
-               if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
+       if (VIA_DEBUG) fprintf(stderr, "viaScreen->bitsPerPixel = %d\n", viaScreen->bitsPerPixel);
+       if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent: w = %d\n", vmesa->driDrawable->w);
 #endif
-           }
-#ifdef DEBUG
-           if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent depthbuffer: w = %d h = %d bpp = %d sizs = %d\n", 
-                                  w, h, vmesa->depth.bpp, vmesa->depth.size);
-#endif     
-           /*=* John Sheng [2003.5.31] flip *=*/
-           {
-               viaContextPtr vmesa = (viaContextPtr)driContextPriv->driverPrivate;     
-               if(vmesa->viaScreen->width == vmesa->driDrawable->w &&
-                   vmesa->viaScreen->height == vmesa->driDrawable->h) {
-                   vmesa->doPageFlip = GL_FALSE;
-                   vmesa->currentPage = 0;
-                   vmesa->back.pitch = vmesa->front.pitch;
-               }
-           }
 
-           if (!AllocateBuffer(vmesa)) {
-               FREE(vmesa);
-               return GL_FALSE;
-           }
+       vmesa->driDrawable = driDrawPriv;
+       if ( ! calculate_buffer_parameters( vmesa ) ) {
+           return GL_FALSE;
        }
+
         _mesa_make_current2(vmesa->glCtx,
                             (GLframebuffer *)driDrawPriv->driverPrivate,
                             (GLframebuffer *)driReadPriv->driverPrivate);

diff --git a/src/mesa/drivers/dri/unichrome/via_context.h b/src/mesa/drivers/dri/unichrome/via_context.h
index 5efd9a02260361e967d72cb69f9ae43467b36ae2..5b2855a834751bbe24ed5bdc4ddc4d47ac4fb7f1 100644 (file)
--- a/src/mesa/drivers/dri/unichrome/via_context.h
+++ b/src/mesa/drivers/dri/unichrome/via_context.h
@@ -75,10 +75,7 @@ typedef struct via_texture_object_t *viaTextureObjectPtr;
 #define TAG(x) via##x
 #include "tnl_dd/t_dd_vertex.h"
 #undef TAG
-#define BUFFER_ALIGNMENT 32
-#define BUFFER_ALIGN_WIDTH1(w, a)   (((w) + ((a) - 1)) & ~((a) - 1))
-#define BUFFER_ALIGN_WIDTH(w, a)    (((w) & ((a) - 1)) ? BUFFER_ALIGN_WIDTH1(w, a) : (w))
-#define BUFFER_ALIGN_ADDRESS(p, a)  ((GLvoid *)(((GLint)(p)) + ((a)-1) & ~((a)-1)))
+
 #define RightOf 1
 #define LeftOf 2
 #define Down 4

diff --git a/src/mesa/drivers/dri/unichrome/via_ioctl.c b/src/mesa/drivers/dri/unichrome/via_ioctl.c
index 6021efefedf3f149225bfd5799dcf56af20e2ba0..1e210b7b93aac2a8619ff0a4efd9fcb1b25f0559 100644 (file)
--- a/src/mesa/drivers/dri/unichrome/via_ioctl.c
+++ b/src/mesa/drivers/dri/unichrome/via_ioctl.c
@@ -313,7 +313,6 @@ void viaCopyBuffer(const __DRIdrawablePrivate *dPriv)
 #ifdef DEBUG    
         if (VIA_DEBUG) fprintf(stderr, "%s SwapPBuffers\n", __FUNCTION__);    
 #endif /*=* [DBG] for pbuffer *=*/
-       /*viaDoSwapBufferSoftFront(vmesa);*/
     }
     else {
        GLuint scrn = 0;
@@ -1436,83 +1435,7 @@ void viaDoSwapPBuffers(viaContextPtr vmesa)
 #endif
 }
 
-void viaDoSwapBufferSoft(viaContextPtr vmesa)
-{    
-    GLuint nFrontPitch;
-    GLuint nBackPitch;
-    GLuint nFrontBase, nBackBase;
-    GLuint i, j;
-    GLubyte *by, *fy;
-    GLuint w;
-    
-    w = vmesa->viaScreen->width;
-    w = BUFFER_ALIGN_WIDTH(w, BUFFER_ALIGNMENT);
-    
-    if (vmesa->viaScreen->bitsPerPixel == 0x20)
-       nFrontPitch = w << 2;
-    else
-       nFrontPitch = w << 1;
-    
-    nBackPitch = vmesa->back.pitch;
-    
-    /* Caculate Base */
-    nFrontBase = (GLuint) vmesa->driScreen->pFB;
-    nBackBase = ((GLuint) vmesa->back.offset) + ((GLuint) vmesa->driScreen->pFB);
-    by = (GLubyte *) nBackBase;
-    fy = (GLubyte *) nFrontBase;
-    
-    viaFlushPrimsLocked(vmesa);
-    
-    for (i = 0; i < vmesa->driDrawable->h; i++) {
-       fy = (GLubyte *)(nFrontBase + i * nFrontPitch);
-       for (j = 0; j < nBackPitch; j++) {
-           *((GLubyte*)fy) = *((GLubyte*)by);
-           fy = fy + 1;
-           by = by + 1;
-       }
-       
-    }
-
-}
 
-void viaDoSwapBufferSoftFront(viaContextPtr vmesa)
-{    
-    GLuint nFrontPitch;
-    GLuint nBackPitch;
-    GLuint nFrontBase, nBackBase;
-    GLuint i, j;
-    GLubyte *by, *fy;
-    GLuint w;
-    
-    w = vmesa->viaScreen->width;
-    w = BUFFER_ALIGN_WIDTH(w, BUFFER_ALIGNMENT);
-    
-    if (vmesa->viaScreen->bitsPerPixel == 0x20)
-       nFrontPitch = w << 2;
-    else
-       nFrontPitch = w << 1;
-       
-    nBackPitch = vmesa->front.pitch;
-    
-    /* Caculate Base */
-    nFrontBase = (GLuint) vmesa->driScreen->pFB;
-    nBackBase = ((GLuint) vmesa->front.offset) + ((GLuint) vmesa->driScreen->pFB);
-    by = (GLubyte *) nBackBase;
-    fy = (GLubyte *) nFrontBase;
-    
-    viaFlushPrimsLocked(vmesa);
-    
-    for (i = 0; i < vmesa->driDrawable->h; i++) {
-       fy = (GLubyte *)(nFrontBase + i * nFrontPitch);
-       for (j = 0; j < nBackPitch; j++) {
-           *((GLubyte*)fy) = *((GLubyte*)by);
-           fy = fy + 1;
-           by = by + 1;
-       }
-       
-    }
-
-}
 int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd) 
 {   
     GLuint *pnAGPCurrentPhysStart;

diff --git a/src/mesa/drivers/dri/unichrome/via_ioctl.h b/src/mesa/drivers/dri/unichrome/via_ioctl.h
index e9030e630827bdd562730a306fb0dfd108a81438..3bdd6c3599bc85f2e05ba8d6d4bf4db88c6f5722 100644 (file)
--- a/src/mesa/drivers/dri/unichrome/via_ioctl.h
+++ b/src/mesa/drivers/dri/unichrome/via_ioctl.h
@@ -47,8 +47,6 @@ void viaFillStencilBuffer(viaContextPtr vmesa, GLuint pixel);
 void viaFillStencilDepthBuffer(viaContextPtr vmesa, GLuint pixel);
 void viaDoSwapBuffers(viaContextPtr vmesa);
 void viaDoSwapBuffersSaam(viaContextPtr vmesa);
-void viaDoSwapBufferSoft(viaContextPtr vmesa);
-void viaDoSwapBufferSoftFront(viaContextPtr vmesa);
 void viaDoSwapPBuffers(viaContextPtr vmesa);
 
 int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd);