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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2007-01-08 21:21:41 +1100
committerDave Airlie <airlied@linux.ie>2007-02-08 13:24:25 +1100
commit9b8d9d0e0181286c0608e6426da1eac45463ecd2 (patch)
tree4614fe9c303ba3c50b40f90b2bdc1923aa1996a6 /drivers/char
parent689692e73ea4b95c9fa5d5913eade33147db2e5a (diff)
downloadop-kernel-dev-9b8d9d0e0181286c0608e6426da1eac45463ecd2.zip
op-kernel-dev-9b8d9d0e0181286c0608e6426da1eac45463ecd2.tar.gz
via: allow for npot texture pitch alignment
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/drm/via_drv.h4
-rw-r--r--drivers/char/drm/via_verifier.c30
-rw-r--r--drivers/char/drm/via_verifier.h1
3 files changed, 24 insertions, 11 deletions
diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h
index cfc20a0..8b8778d 100644
--- a/drivers/char/drm/via_drv.h
+++ b/drivers/char/drm/via_drv.h
@@ -29,10 +29,10 @@
#define DRIVER_NAME "via"
#define DRIVER_DESC "VIA Unichrome / Pro"
-#define DRIVER_DATE "20060529"
+#define DRIVER_DATE "20061227"
#define DRIVER_MAJOR 2
-#define DRIVER_MINOR 10
+#define DRIVER_MINOR 11
#define DRIVER_PATCHLEVEL 0
#include "via_verifier.h"
diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c
index 24fc7cb..2e7e080 100644
--- a/drivers/char/drm/via_verifier.c
+++ b/drivers/char/drm/via_verifier.c
@@ -306,6 +306,7 @@ 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;
@@ -316,12 +317,15 @@ 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;
}
@@ -443,13 +447,21 @@ 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:
diff --git a/drivers/char/drm/via_verifier.h b/drivers/char/drm/via_verifier.h
index 256590f..b77f59d 100644
--- a/drivers/char/drm/via_verifier.h
+++ b/drivers/char/drm/via_verifier.h
@@ -43,6 +43,7 @@ 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;
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