Attachment 6900 Details for Bug 6756 – Always use normalized texture coordinates

[patch] Always use normalized texture coordinates

radeon-normalized-texcoords.diff (text/plain), 4.24 KB, created by Michel Dänzer on 2006-09-10 16:14:25 UTC

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Creator: Michel Dänzer

Created: 2006-09-10 16:14:25 UTC

Size: 4.24 KB

patch

obsolete

>diff --git a/src/radeon.h b/src/radeon.h
>index 6402e48..0b1f4bd 100644
>--- a/src/radeon.h
>+++ b/src/radeon.h
>@@ -726,6 +726,8 @@ #endif /* XF86DRI */
> 
>     /* Render */
>     Bool              RenderAccel;
>+    unsigned short    texW[2];
>+    unsigned short    texH[2];
> #ifdef USE_XAA
>     FBLinearPtr       RenderTex;
>     void              (*RenderCallback)(ScrnInfoPtr);
>diff --git a/src/radeon_exa_render.c b/src/radeon_exa_render.c
>index 98b8dfd..469816b 100644
>--- a/src/radeon_exa_render.c
>+++ b/src/radeon_exa_render.c
>@@ -252,6 +252,9 @@ static Bool FUNC_NAME(R100TextureSetup)(
> 	txformat |= RADEON_TXFORMAT_NON_POWER2;
>     txformat |= unit << 24; /* RADEON_TXFORMAT_ST_ROUTE_STQX */
>  
>+    info->texW[unit] = w;
>+    info->texH[unit] = h;
>+
>     switch (pPict->filter) {
>     case PictFilterNearest:
> 	txfilter = (RADEON_MAG_FILTER_NEAREST | RADEON_MIN_FILTER_NEAREST);
>@@ -505,6 +508,9 @@ static Bool FUNC_NAME(R200TextureSetup)(
> 	txformat |= R200_TXFORMAT_NON_POWER2;
>     txformat |= unit << R200_TXFORMAT_ST_ROUTE_SHIFT;
> 
>+    info->texW[unit] = w;
>+    info->texH[unit] = h;
>+
>     switch (pPict->filter) {
>     case PictFilterNearest:
> 	txfilter = (R200_MAG_FILTER_NEAREST |
>@@ -791,11 +797,6 @@ #ifdef ACCEL_CP
> 		 (4 << RADEON_CP_VC_CNTL_NUM_SHIFT));
>     }
> 
>-    VTX_OUT(dstX,     dstY,     srcX,    srcY,    maskX,    maskY);
>-    VTX_OUT(dstX,     dstY + h, srcX,    srcYend, maskX,    maskYend);
>-    VTX_OUT(dstX + w, dstY + h, srcXend, srcYend, maskXend, maskYend);
>-    VTX_OUT(dstX + w, dstY,     srcXend, srcY,    maskXend, maskY);
>-    ADVANCE_RING();
> #else /* ACCEL_CP */
>     BEGIN_ACCEL(1 + VTX_REG_COUNT * 4);
>     if (info->ChipFamily < CHIP_FAMILY_R200) {
>@@ -808,11 +809,24 @@ #else /* ACCEL_CP */
> 					  RADEON_VF_PRIM_WALK_DATA |
> 					  4 << RADEON_VF_NUM_VERTICES_SHIFT));
>     }
>+#endif
> 
>-    VTX_OUT(dstX,     dstY,     srcX,    srcY,    maskX,    maskY);
>-    VTX_OUT(dstX,     dstY + h, srcX,    srcYend, maskX,    maskYend);
>-    VTX_OUT(dstX + w, dstY + h, srcXend, srcYend, maskXend, maskYend);
>-    VTX_OUT(dstX + w, dstY,     srcXend, srcY,    maskXend, maskY);
>+    VTX_OUT(dstX,     dstY,
>+	    (float)srcX / info->texW[0],     (float)srcY / info->texH[0],
>+	    (float)maskX / info->texW[1],    (float)maskY / info->texH[1]);
>+    VTX_OUT(dstX,     dstY + h,
>+	    (float)srcX / info->texW[0],     (float)srcYend / info->texH[0],
>+	    (float)maskX / info->texW[1],    (float)maskYend / info->texH[1]);
>+    VTX_OUT(dstX + w, dstY + h,
>+	    (float)srcXend / info->texW[0],  (float)srcYend / info->texH[0],
>+	    (float)maskXend / info->texW[1], (float)maskYend / info->texH[1]);
>+    VTX_OUT(dstX + w, dstY,
>+	    (float)srcXend / info->texW[0],  (float)srcY / info->texH[0],
>+	    (float)maskXend / info->texW[1], (float)maskY / info->texH[1]);
>+
>+#ifdef ACCEL_CP
>+    ADVANCE_RING();
>+#else
>     FINISH_ACCEL();
> #endif /* !ACCEL_CP */
> 
>diff --git a/src/radeon_render.c b/src/radeon_render.c
>index 9e3529e..66be57d 100644
>--- a/src/radeon_render.c
>+++ b/src/radeon_render.c
>@@ -424,6 +424,9 @@ #endif
> 	txformat |= RADEON_TXFORMAT_NON_POWER2;
>     }
> 
>+    info->texW[0] = width;
>+    info->texH[0] = height;
>+
>     offset = info->RenderTex->offset * pScrn->bitsPerPixel / 8;
>     dst = (CARD8*)(info->FB + offset);
> 
>@@ -621,10 +624,10 @@ FUNC_NAME(R100SubsequentCPUToScreenTextu
> 
>     r = width + l;
>     b = height + t;
>-    fl = srcx;
>-    fr = srcx + width;
>-    ft = srcy;
>-    fb = srcy + height;
>+    fl = (float)srcx / info->texW[0];
>+    fr = (float)(srcx + width) / info->texW[0];
>+    ft = (float)srcy / info->texH[0];
>+    fb = (float)(srcy + height) / info->texH[0];
> 
> #ifdef ACCEL_CP
>     BEGIN_RING(25);
>@@ -757,6 +760,9 @@ #endif
> 	txformat |= RADEON_TXFORMAT_NON_POWER2;
>     }
> 
>+    info->texW[0] = width;
>+    info->texH[0] = height;
>+
>     offset = info->RenderTex->offset * pScrn->bitsPerPixel / 8;
>     dst = (CARD8*)(info->FB + offset);
> 
>@@ -956,10 +962,10 @@ FUNC_NAME(R200SubsequentCPUToScreenTextu
>     
>     r = width + l;
>     b = height + t;
>-    fl = srcx;
>-    fr = srcx + width;
>-    ft = srcy;
>-    fb = srcy + height;
>+    fl = (float)srcx / info->texW[0];
>+    fr = (float)(srcx + width) / info->texW[0];
>+    ft = (float)srcy / info->texH[0];
>+    fb = (float)(srcy + height) / info->texH[0];
> 
> #ifdef ACCEL_CP
>     BEGIN_RING(24);

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Attachments on bug 6756: 6900 | 6909 | 6944 | 6973

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