Allow for non-power-of-two texture pitch alignment.
authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Wed, 27 Dec 2006 18:38:33 +0000 (19:38 +0100)
committerThomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Wed, 27 Dec 2006 18:38:33 +0000 (19:38 +0100)
shared-core/via_drm.h
shared-core/via_verifier.c
shared-core/via_verifier.h

index ee92ff6..16421d7 100644 (file)
  * backwards incompatibilities, (which should be avoided whenever possible).
  */
 
-#define VIA_DRM_DRIVER_DATE            "20060616"
+#define VIA_DRM_DRIVER_DATE            "20061227"
 
 #define VIA_DRM_DRIVER_MAJOR           2
-#define VIA_DRM_DRIVER_MINOR           10
-#define VIA_DRM_DRIVER_PATCHLEVEL      2
+#define VIA_DRM_DRIVER_MINOR           11
+#define VIA_DRM_DRIVER_PATCHLEVEL      0
 #define VIA_DRM_DRIVER_VERSION   (((VIA_DRM_DRIVER_MAJOR) << 16) | (VIA_DRM_DRIVER_MINOR))
 
 #define VIA_NR_SAREA_CLIPRECTS                 8
index 1a5edd4..c9723fe 100644 (file)
@@ -311,6 +311,7 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq)
                        unsigned long lo = ~0, hi = 0, tmp;
                        uint32_t *addr, *pitch, *height, tex;
                        unsigned i;
+                       int npot;
 
                        if (end > 9)
                                end = 9;
@@ -321,12 +322,15 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq)
                            &(cur_seq->t_addr[tex = cur_seq->texture][start]);
                        pitch = &(cur_seq->pitch[tex][start]);
                        height = &(cur_seq->height[tex][start]);
-
+                       npot = cur_seq->tex_npot[tex];
                        for (i = start; i <= end; ++i) {
                                tmp = *addr++;
                                if (tmp < lo)
                                        lo = tmp;
-                               tmp += (*height++ << *pitch++);
+                               if (i == 0 && npot)
+                                       tmp += (*height++ * *pitch++);
+                               else
+                                       tmp += (*height++ << *pitch++);
                                if (tmp > hi)
                                        hi = tmp;
                        }
@@ -448,13 +452,21 @@ investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq)
                return 0;
        case check_texture_addr3:
                cur_seq->unfinished = tex_address;
-               tmp = ((cmd >> 24) - 0x2B);
-               cur_seq->pitch[cur_seq->texture][tmp] =
-                   (cmd & 0x00F00000) >> 20;
-               if (!tmp && (cmd & 0x000FFFFF)) {
-                       DRM_ERROR
-                           ("Unimplemented texture level 0 pitch mode.\n");
-                       return 2;
+               tmp = ((cmd >> 24) - HC_SubA_HTXnL0Pit);
+               if (tmp == 0 && 
+                   cmd & HC_HTXnEnPit_MASK) {
+                       cur_seq->pitch[cur_seq->texture][tmp] = 
+                               (cmd & HC_HTXnLnPit_MASK);
+                       cur_seq->tex_npot[cur_seq->texture] = 1;
+               } else {
+                       cur_seq->pitch[cur_seq->texture][tmp] =
+                               (cmd & HC_HTXnLnPitE_MASK) >> HC_HTXnLnPitE_SHIFT;
+                       cur_seq->tex_npot[cur_seq->texture] = 0;                        
+                       if (cmd & 0x000FFFFF) {
+                               DRM_ERROR
+                                       ("Unimplemented texture level 0 pitch mode.\n");
+                               return 2;
+                       }
                }
                return 0;
        case check_texture_addr4:
index 96708a3..84497c4 100644 (file)
@@ -45,6 +45,7 @@ typedef struct {
        uint32_t tex_level_lo[2]; 
        uint32_t tex_level_hi[2];
        uint32_t tex_palette_size[2];
+        uint32_t tex_npot[2];
        drm_via_sequence_t unfinished;
        int agp_texture;
        int multitex;