dev->dev_private = (void *)dev_priv;
dev_priv->flags = flags;
+ switch (flags & CHIP_FAMILY_MASK) {
+ case CHIP_R100:
+ case CHIP_RV200:
+ case CHIP_R200:
+ case CHIP_R300:
+ dev_priv->flags |= CHIP_HAS_HIERZ;
+ break;
+ default:
+ /* all other chips have no hierarchical z buffer */
+ break;
+ }
+
#ifdef __linux__
/* registers */
if ((ret = drm_initmap(dev, pci_resource_start(dev->pdev, 2),
#define RADEON_EMIT_PP_TEX_SIZE_1 74
#define RADEON_EMIT_PP_TEX_SIZE_2 75
#define R200_EMIT_RB3D_BLENDCOLOR 76
-#define RADEON_MAX_STATE_PACKETS 77
+#define R200_EMIT_TCL_POINT_SPRITE_CNTL 77
+#define RADEON_MAX_STATE_PACKETS 78
/* Commands understood by cmd_buffer ioctl. More can be added but
* obviously these can't be removed or changed:
#define RADEON_BACK 0x2
#define RADEON_DEPTH 0x4
#define RADEON_STENCIL 0x8
+#define RADEON_CLEAR_FASTZ 0x80000000
+#define RADEON_USE_HIERZ 0x40000000
+#define RADEON_USE_COMP_ZBUF 0x20000000
/* Primitive types
*/
#define DRIVER_NAME "radeon"
#define DRIVER_DESC "ATI Radeon"
-#define DRIVER_DATE "20020828"
+#define DRIVER_DATE "20041207"
/* Interface history:
*
* and GL_EXT_blend_[func|equation]_separate on r200
* 1.12- Add R300 CP microcode support - this just loads the CP on r300
* (No 3D support yet - just microcode loading).
+ * 1.13- Add packet R200_EMIT_TCL_POINT_SPRITE_CNTL for ARB_point_parameters
+ * - Add hyperz support, add hyperz flags to clear ioctl.
*/
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 12
+#define DRIVER_MINOR 13
#define DRIVER_PATCHLEVEL 0
enum radeon_family {
CHIP_IS_IGP = 0x00020000UL,
CHIP_SINGLE_CRTC = 0x00040000UL,
CHIP_IS_AGP = 0x00080000UL,
+ CHIP_HAS_HIERZ = 0x00100000UL,
};
#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 )
# define RADEON_STENCIL_ENABLE (1 << 7)
# define RADEON_Z_ENABLE (1 << 8)
#define RADEON_RB3D_DEPTHOFFSET 0x1c24
+#define RADEON_RB3D_DEPTHCLEARVALUE 0x3230
#define RADEON_RB3D_DEPTHPITCH 0x1c28
#define RADEON_RB3D_PLANEMASK 0x1d84
#define RADEON_RB3D_STENCILREFMASK 0x1d7c
#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
# define RADEON_Z_TEST_MASK (7 << 4)
# define RADEON_Z_TEST_ALWAYS (7 << 4)
+# define RADEON_Z_HIERARCHY_ENABLE (1 << 8)
# define RADEON_STENCIL_TEST_ALWAYS (7 << 12)
# define RADEON_STENCIL_S_FAIL_REPLACE (2 << 16)
# define RADEON_STENCIL_ZPASS_REPLACE (2 << 20)
# define RADEON_STENCIL_ZFAIL_REPLACE (2 << 24)
+# define RADEON_Z_COMPRESSION_ENABLE (1 << 28)
+# define RADEON_FORCE_Z_DIRTY (1 << 29)
# define RADEON_Z_WRITE_ENABLE (1 << 30)
+# define RADEON_Z_DECOMPRESSION_ENABLE (1 << 31)
#define RADEON_RBBM_SOFT_RESET 0x00f0
# define RADEON_SOFT_RESET_CP (1 << 0)
# define RADEON_SOFT_RESET_HI (1 << 1)
# define RADEON_WAIT_3D_IDLECLEAN (1 << 17)
# define RADEON_WAIT_HOST_IDLECLEAN (1 << 18)
-#define RADEON_RB3D_ZMASKOFFSET 0x1c34
+#define RADEON_RB3D_ZMASKOFFSET 0x3234
#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
# define RADEON_DEPTH_FORMAT_16BIT_INT_Z (0 << 0)
# define RADEON_DEPTH_FORMAT_24BIT_INT_Z (2 << 0)
# define RADEON_3D_DRAW_IMMD 0x00002900
# define RADEON_3D_DRAW_INDX 0x00002A00
# define RADEON_3D_LOAD_VBPNTR 0x00002F00
+# define RADEON_3D_CLEAR_ZMASK 0x00003200
+# define RADEON_3D_CLEAR_HIZ 0x00003700
# define RADEON_CNTL_HOSTDATA_BLT 0x00009400
# define RADEON_CNTL_PAINT_MULTI 0x00009A00
# define RADEON_CNTL_BITBLT_MULTI 0x00009B00
#define R200_RB3D_BLENDCOLOR 0x3218
+#define R200_SE_TCL_POINT_SPRITE_CNTL 0x22c4
+
/* Constants */
#define RADEON_MAX_USEC_TIMEOUT 100000 /* 100 ms */
case RADEON_EMIT_PP_TEX_SIZE_1:
case RADEON_EMIT_PP_TEX_SIZE_2:
case R200_EMIT_RB3D_BLENDCOLOR:
+ case R200_EMIT_TCL_POINT_SPRITE_CNTL:
/* These packets don't contain memory offsets */
break;
RADEON_PP_TEX_SIZE_0, 2, "RADEON_PP_TEX_SIZE_0"}, {
RADEON_PP_TEX_SIZE_1, 2, "RADEON_PP_TEX_SIZE_1"}, {
RADEON_PP_TEX_SIZE_2, 2, "RADEON_PP_TEX_SIZE_2"}, {
-R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR"},};
+ R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR"}, {
+ R200_SE_TCL_POINT_SPRITE_CNTL, 1, "R200_SE_TCL_POINT_SPRITE_CNTL"},
+};
/* ================================================================
* Performance monitoring functions
}
}
+ /* hyper z clear */
+ /* no docs available, based on reverse engeneering by Stephane Marchesin */
+ if ((flags & (RADEON_DEPTH | RADEON_STENCIL)) && (flags & RADEON_CLEAR_FASTZ)) {
+
+ int i;
+ int depthpixperline = dev_priv->depth_fmt==RADEON_DEPTH_FORMAT_16BIT_INT_Z?
+ (dev_priv->depth_pitch / 2): (dev_priv->depth_pitch / 4);
+
+ u32 clearmask;
+
+ u32 tempRB3D_DEPTHCLEARVALUE = clear->clear_depth |
+ ((clear->depth_mask & 0xff) << 24);
+
+
+ /* Make sure we restore the 3D state next time.
+ * we haven't touched any "normal" state - still need this?
+ */
+ dev_priv->sarea_priv->ctx_owner = 0;
+
+ if ((dev_priv->flags & CHIP_HAS_HIERZ) && (flags & RADEON_USE_HIERZ)) {
+ /* FIXME : reverse engineer that for Rx00 cards */
+ /* FIXME : the mask supposedly contains low-res z values. So can't set
+ just to the max (0xff? or actually 0x3fff?), need to take z clear
+ value into account? */
+ /* pattern seems to work for r100, though get slight
+ rendering errors with glxgears. If hierz is not enabled for r100,
+ only 4 bits which indicate clear (15,16,31,32, all zero) matter, the
+ other ones are ignored, and the same clear mask can be used. That's
+ very different behaviour than R200 which needs different clear mask
+ and different number of tiles to clear if hierz is enabled or not !?!
+ */
+ clearmask = (0xff<<22)|(0xff<<6)| 0x003f003f;
+ }
+ else {
+ /* clear mask : chooses the clearing pattern.
+ rv250: could be used to clear only parts of macrotiles
+ (but that would get really complicated...)?
+ bit 0 and 1 (either or both of them ?!?!) are used to
+ not clear tile (or maybe one of the bits indicates if the tile is
+ compressed or not), bit 2 and 3 to not clear tile 1,...,.
+ Pattern is as follows:
+ | 0,1 | 4,5 | 8,9 |12,13|16,17|20,21|24,25|28,29|
+ bits -------------------------------------------------
+ | 2,3 | 6,7 |10,11|14,15|18,19|22,23|26,27|30,31|
+ rv100: clearmask covers 2x8 4x1 tiles, but one clear still
+ covers 256 pixels ?!?
+ */
+ clearmask = 0x0;
+ }
+
+ BEGIN_RING( 8 );
+ RADEON_WAIT_UNTIL_2D_IDLE();
+ OUT_RING_REG( RADEON_RB3D_DEPTHCLEARVALUE,
+ tempRB3D_DEPTHCLEARVALUE);
+ /* what offset is this exactly ? */
+ OUT_RING_REG( RADEON_RB3D_ZMASKOFFSET, 0 );
+ /* need ctlstat, otherwise get some strange black flickering */
+ OUT_RING_REG( RADEON_RB3D_ZCACHE_CTLSTAT, RADEON_RB3D_ZC_FLUSH_ALL );
+ ADVANCE_RING();
+
+ for (i = 0; i < nbox; i++) {
+ int tileoffset, nrtilesx, nrtilesy, j;
+ /* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */
+ if ((dev_priv->flags&CHIP_HAS_HIERZ) && !(dev_priv->microcode_version==UCODE_R200)) {
+ /* FIXME : figure this out for r200 (when hierz is enabled). Or
+ maybe r200 actually doesn't need to put the low-res z value into
+ the tile cache like r100, but just needs to clear the hi-level z-buffer?
+ Works for R100, both with hierz and without.
+ R100 seems to operate on 2x1 8x8 tiles, but...
+ odd: offset/nrtiles need to be 64 pix (4 block) aligned? Potentially
+ problematic with resolutions which are not 64 pix aligned? */
+ tileoffset = ((pbox[i].y1 >> 3) * depthpixperline + pbox[i].x1) >> 6;
+ nrtilesx = ((pbox[i].x2 & ~63) - (pbox[i].x1 & ~63)) >> 4;
+ nrtilesy = (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) );
+ /* first tile */
+ OUT_RING( tileoffset * 8 );
+ /* the number of tiles to clear */
+ OUT_RING( nrtilesx + 4 );
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING( clearmask );
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 6;
+ }
+ }
+ else if (dev_priv->microcode_version==UCODE_R200) {
+ /* works for rv250. */
+ /* find first macro tile (8x2 4x4 z-pixels on rv250) */
+ tileoffset = ((pbox[i].y1 >> 3) * depthpixperline + pbox[i].x1) >> 5;
+ nrtilesx = (pbox[i].x2 >> 5) - (pbox[i].x1 >> 5);
+ nrtilesy = (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) );
+ /* first tile */
+ /* judging by the first tile offset needed, could possibly
+ directly address/clear 4x4 tiles instead of 8x2 * 4x4
+ macro tiles, though would still need clear mask for
+ right/bottom if truely 4x4 granularity is desired ? */
+ OUT_RING( tileoffset * 16 );
+ /* the number of tiles to clear */
+ OUT_RING( nrtilesx + 1 );
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING( clearmask );
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 5;
+ }
+ }
+ else { /* rv 100 */
+ /* rv100 might not need 64 pix alignment, who knows */
+ /* offsets are, hmm, weird */
+ tileoffset = ((pbox[i].y1 >> 4) * depthpixperline + pbox[i].x1) >> 6;
+ nrtilesx = ((pbox[i].x2 & ~63) - (pbox[i].x1 & ~63)) >> 4;
+ nrtilesy = (pbox[i].y2 >> 4) - (pbox[i].y1 >> 4);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) );
+ OUT_RING( tileoffset * 128 );
+ /* the number of tiles to clear */
+ OUT_RING( nrtilesx + 4 );
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING( clearmask );
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 6;
+ }
+ }
+ }
+
+ /* TODO don't always clear all hi-level z tiles */
+ if ((dev_priv->flags & CHIP_HAS_HIERZ) && (dev_priv->microcode_version==UCODE_R200)
+ && (flags & RADEON_USE_HIERZ))
+ /* r100 and cards without hierarchical z-buffer have no high-level z-buffer */
+ /* FIXME : the mask supposedly contains low-res z values. So can't set
+ just to the max (0xff? or actually 0x3fff?), need to take z clear
+ value into account? */
+ {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_HIZ, 2 ) );
+ OUT_RING( 0x0 ); /* First tile */
+ OUT_RING( 0x3cc0 );
+ OUT_RING( (0xff<<22)|(0xff<<6)| 0x003f003f);
+ ADVANCE_RING();
+ }
+ }
+
/* We have to clear the depth and/or stencil buffers by
* rendering a quad into just those buffers. Thus, we have to
* make sure the 3D engine is configured correctly.
*/
- if ((dev_priv->microcode_version == UCODE_R200) && (flags & (RADEON_DEPTH | RADEON_STENCIL))) {
+ else if ((dev_priv->microcode_version == UCODE_R200) &&
+ (flags & (RADEON_DEPTH | RADEON_STENCIL))) {
int tempPP_CNTL;
int tempRE_CNTL;
tempRB3D_STENCILREFMASK = 0x00000000;
}
+ if (flags & RADEON_USE_COMP_ZBUF) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
+ RADEON_Z_DECOMPRESSION_ENABLE;
+ }
+ if (flags & RADEON_USE_HIERZ) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
+ }
+
BEGIN_RING(26);
RADEON_WAIT_UNTIL_2D_IDLE();
}
} else if ((flags & (RADEON_DEPTH | RADEON_STENCIL))) {
+ int tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
+
rb3d_cntl = depth_clear->rb3d_cntl;
if (flags & RADEON_DEPTH) {
rb3d_stencilrefmask = 0x00000000;
}
+ if (flags & RADEON_USE_COMP_ZBUF) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
+ RADEON_Z_DECOMPRESSION_ENABLE;
+ }
+ if (flags & RADEON_USE_HIERZ) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
+ }
+
BEGIN_RING(13);
RADEON_WAIT_UNTIL_2D_IDLE();
OUT_RING(0x00000000);
OUT_RING(rb3d_cntl);
- OUT_RING_REG(RADEON_RB3D_ZSTENCILCNTL,
- depth_clear->rb3d_zstencilcntl);
+ OUT_RING_REG(RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL);
OUT_RING_REG(RADEON_RB3D_STENCILREFMASK, rb3d_stencilrefmask);
OUT_RING_REG(RADEON_RB3D_PLANEMASK, 0x00000000);
OUT_RING_REG(RADEON_SE_CNTL, depth_clear->se_cntl);
#define DRIVER_NAME "radeon"
#define DRIVER_DESC "ATI Radeon"
-#define DRIVER_DATE "20020828"
+#define DRIVER_DATE "20041207"
#define DRIVER_MAJOR 1
-#define DRIVER_MINOR 12
+#define DRIVER_MINOR 13
#define DRIVER_PATCHLEVEL 0
/* Interface history:
* and GL_EXT_blend_[func|equation]_separate on r200
* 1.12- Add R300 CP microcode support - this just loads the CP on r300
* (No 3D support yet - just microcode loading).
+ * 1.13- Add packet R200_EMIT_TCL_POINT_SPRITE_CNTL for ARB_point_parameters
+ * - Add hyperz support, add hyperz flags to clear ioctl.
*/
#define DRIVER_IOCTLS \
[DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, \
dev->dev_private = (void *)dev_priv;
dev_priv->flags = flags;
+ switch (flags & CHIP_FAMILY_MASK) {
+ case CHIP_R100:
+ case CHIP_RV200:
+ case CHIP_R200:
+ case CHIP_R300:
+ dev_priv->flags |= CHIP_HAS_HIERZ;
+ break;
+ default:
+ /* all other chips have no hierarchical z buffer */
+ break;
+ }
+
/* registers */
if( (ret = DRM(initmap)( dev, pci_resource_start( dev->pdev, 2 ),
pci_resource_len( dev->pdev, 2 ), _DRM_REGISTERS, 0 )))
#define RADEON_EMIT_PP_TEX_SIZE_1 74
#define RADEON_EMIT_PP_TEX_SIZE_2 75
#define R200_EMIT_RB3D_BLENDCOLOR 76
-#define RADEON_MAX_STATE_PACKETS 77
+#define R200_EMIT_TCL_POINT_SPRITE_CNTL 77
+#define RADEON_MAX_STATE_PACKETS 78
/* Commands understood by cmd_buffer ioctl. More can be added but
#define RADEON_BACK 0x2
#define RADEON_DEPTH 0x4
#define RADEON_STENCIL 0x8
+#define RADEON_CLEAR_FASTZ 0x80000000
+#define RADEON_USE_HIERZ 0x40000000
+#define RADEON_USE_COMP_ZBUF 0x20000000
/* Primitive types
*/
CHIP_IS_IGP = 0x00020000UL,
CHIP_SINGLE_CRTC = 0x00040000UL,
CHIP_IS_AGP = 0x00080000UL,
+ CHIP_HAS_HIERZ = 0x00100000UL,
};
#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 )
# define RADEON_STENCIL_ENABLE (1 << 7)
# define RADEON_Z_ENABLE (1 << 8)
#define RADEON_RB3D_DEPTHOFFSET 0x1c24
+#define RADEON_RB3D_DEPTHCLEARVALUE 0x3230
#define RADEON_RB3D_DEPTHPITCH 0x1c28
#define RADEON_RB3D_PLANEMASK 0x1d84
#define RADEON_RB3D_STENCILREFMASK 0x1d7c
#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
# define RADEON_Z_TEST_MASK (7 << 4)
# define RADEON_Z_TEST_ALWAYS (7 << 4)
+# define RADEON_Z_HIERARCHY_ENABLE (1 << 8)
# define RADEON_STENCIL_TEST_ALWAYS (7 << 12)
# define RADEON_STENCIL_S_FAIL_REPLACE (2 << 16)
# define RADEON_STENCIL_ZPASS_REPLACE (2 << 20)
# define RADEON_STENCIL_ZFAIL_REPLACE (2 << 24)
+# define RADEON_Z_COMPRESSION_ENABLE (1 << 28)
+# define RADEON_FORCE_Z_DIRTY (1 << 29)
# define RADEON_Z_WRITE_ENABLE (1 << 30)
+# define RADEON_Z_DECOMPRESSION_ENABLE (1 << 31)
#define RADEON_RBBM_SOFT_RESET 0x00f0
# define RADEON_SOFT_RESET_CP (1 << 0)
# define RADEON_SOFT_RESET_HI (1 << 1)
# define RADEON_WAIT_3D_IDLECLEAN (1 << 17)
# define RADEON_WAIT_HOST_IDLECLEAN (1 << 18)
-#define RADEON_RB3D_ZMASKOFFSET 0x1c34
+#define RADEON_RB3D_ZMASKOFFSET 0x3234
#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
# define RADEON_DEPTH_FORMAT_16BIT_INT_Z (0 << 0)
# define RADEON_DEPTH_FORMAT_24BIT_INT_Z (2 << 0)
# define RADEON_3D_DRAW_IMMD 0x00002900
# define RADEON_3D_DRAW_INDX 0x00002A00
# define RADEON_3D_LOAD_VBPNTR 0x00002F00
+# define RADEON_3D_CLEAR_ZMASK 0x00003200
+# define RADEON_3D_CLEAR_HIZ 0x00003700
# define RADEON_CNTL_HOSTDATA_BLT 0x00009400
# define RADEON_CNTL_PAINT_MULTI 0x00009A00
# define RADEON_CNTL_BITBLT_MULTI 0x00009B00
#define R200_RB3D_BLENDCOLOR 0x3218
+#define R200_SE_TCL_POINT_SPRITE_CNTL 0x22c4
+
/* Constants */
#define RADEON_MAX_USEC_TIMEOUT 100000 /* 100 ms */
case RADEON_EMIT_PP_TEX_SIZE_1:
case RADEON_EMIT_PP_TEX_SIZE_2:
case R200_EMIT_RB3D_BLENDCOLOR:
+ case R200_EMIT_TCL_POINT_SPRITE_CNTL:
/* These packets don't contain memory offsets */
break;
{ RADEON_PP_TEX_SIZE_1, 2, "RADEON_PP_TEX_SIZE_1" },
{ RADEON_PP_TEX_SIZE_2, 2, "RADEON_PP_TEX_SIZE_2" },
{ R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR" },
+ { R200_SE_TCL_POINT_SPRITE_CNTL, 1, "R200_SE_TCL_POINT_SPRITE_CNTL"},
};
}
}
+ /* hyper z clear */
+ /* no docs available, based on reverse engeneering by Stephane Marchesin */
+ if ((flags & (RADEON_DEPTH | RADEON_STENCIL)) && (flags & RADEON_CLEAR_FASTZ)) {
+
+ int i;
+ int depthpixperline = dev_priv->depth_fmt==RADEON_DEPTH_FORMAT_16BIT_INT_Z?
+ (dev_priv->depth_pitch / 2): (dev_priv->depth_pitch / 4);
+
+ u32 clearmask;
+
+ u32 tempRB3D_DEPTHCLEARVALUE = clear->clear_depth |
+ ((clear->depth_mask & 0xff) << 24);
+
+
+ /* Make sure we restore the 3D state next time.
+ * we haven't touched any "normal" state - still need this?
+ */
+ dev_priv->sarea_priv->ctx_owner = 0;
+
+ if ((dev_priv->flags & CHIP_HAS_HIERZ) && (flags & RADEON_USE_HIERZ)) {
+ /* FIXME : reverse engineer that for Rx00 cards */
+ /* FIXME : the mask supposedly contains low-res z values. So can't set
+ just to the max (0xff? or actually 0x3fff?), need to take z clear
+ value into account? */
+ /* pattern seems to work for r100, though get slight
+ rendering errors with glxgears. If hierz is not enabled for r100,
+ only 4 bits which indicate clear (15,16,31,32, all zero) matter, the
+ other ones are ignored, and the same clear mask can be used. That's
+ very different behaviour than R200 which needs different clear mask
+ and different number of tiles to clear if hierz is enabled or not !?!
+ */
+ clearmask = (0xff<<22)|(0xff<<6)| 0x003f003f;
+ }
+ else {
+ /* clear mask : chooses the clearing pattern.
+ rv250: could be used to clear only parts of macrotiles
+ (but that would get really complicated...)?
+ bit 0 and 1 (either or both of them ?!?!) are used to
+ not clear tile (or maybe one of the bits indicates if the tile is
+ compressed or not), bit 2 and 3 to not clear tile 1,...,.
+ Pattern is as follows:
+ | 0,1 | 4,5 | 8,9 |12,13|16,17|20,21|24,25|28,29|
+ bits -------------------------------------------------
+ | 2,3 | 6,7 |10,11|14,15|18,19|22,23|26,27|30,31|
+ rv100: clearmask covers 2x8 4x1 tiles, but one clear still
+ covers 256 pixels ?!?
+ */
+ clearmask = 0x0;
+ }
+
+ BEGIN_RING( 8 );
+ RADEON_WAIT_UNTIL_2D_IDLE();
+ OUT_RING_REG( RADEON_RB3D_DEPTHCLEARVALUE,
+ tempRB3D_DEPTHCLEARVALUE);
+ /* what offset is this exactly ? */
+ OUT_RING_REG( RADEON_RB3D_ZMASKOFFSET, 0 );
+ /* need ctlstat, otherwise get some strange black flickering */
+ OUT_RING_REG( RADEON_RB3D_ZCACHE_CTLSTAT, RADEON_RB3D_ZC_FLUSH_ALL );
+ ADVANCE_RING();
+
+ for (i = 0; i < nbox; i++) {
+ int tileoffset, nrtilesx, nrtilesy, j;
+ /* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */
+ if ((dev_priv->flags&CHIP_HAS_HIERZ) && !(dev_priv->microcode_version==UCODE_R200)) {
+ /* FIXME : figure this out for r200 (when hierz is enabled). Or
+ maybe r200 actually doesn't need to put the low-res z value into
+ the tile cache like r100, but just needs to clear the hi-level z-buffer?
+ Works for R100, both with hierz and without.
+ R100 seems to operate on 2x1 8x8 tiles, but...
+ odd: offset/nrtiles need to be 64 pix (4 block) aligned? Potentially
+ problematic with resolutions which are not 64 pix aligned? */
+ tileoffset = ((pbox[i].y1 >> 3) * depthpixperline + pbox[i].x1) >> 6;
+ nrtilesx = ((pbox[i].x2 & ~63) - (pbox[i].x1 & ~63)) >> 4;
+ nrtilesy = (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) );
+ /* first tile */
+ OUT_RING( tileoffset * 8 );
+ /* the number of tiles to clear */
+ OUT_RING( nrtilesx + 4 );
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING( clearmask );
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 6;
+ }
+ }
+ else if (dev_priv->microcode_version==UCODE_R200) {
+ /* works for rv250. */
+ /* find first macro tile (8x2 4x4 z-pixels on rv250) */
+ tileoffset = ((pbox[i].y1 >> 3) * depthpixperline + pbox[i].x1) >> 5;
+ nrtilesx = (pbox[i].x2 >> 5) - (pbox[i].x1 >> 5);
+ nrtilesy = (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) );
+ /* first tile */
+ /* judging by the first tile offset needed, could possibly
+ directly address/clear 4x4 tiles instead of 8x2 * 4x4
+ macro tiles, though would still need clear mask for
+ right/bottom if truely 4x4 granularity is desired ? */
+ OUT_RING( tileoffset * 16 );
+ /* the number of tiles to clear */
+ OUT_RING( nrtilesx + 1 );
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING( clearmask );
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 5;
+ }
+ }
+ else { /* rv 100 */
+ /* rv100 might not need 64 pix alignment, who knows */
+ /* offsets are, hmm, weird */
+ tileoffset = ((pbox[i].y1 >> 4) * depthpixperline + pbox[i].x1) >> 6;
+ nrtilesx = ((pbox[i].x2 & ~63) - (pbox[i].x1 & ~63)) >> 4;
+ nrtilesy = (pbox[i].y2 >> 4) - (pbox[i].y1 >> 4);
+ for (j = 0; j <= nrtilesy; j++) {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) );
+ OUT_RING( tileoffset * 128 );
+ /* the number of tiles to clear */
+ OUT_RING( nrtilesx + 4 );
+ /* clear mask : chooses the clearing pattern. */
+ OUT_RING( clearmask );
+ ADVANCE_RING();
+ tileoffset += depthpixperline >> 6;
+ }
+ }
+ }
+
+ /* TODO don't always clear all hi-level z tiles */
+ if ((dev_priv->flags & CHIP_HAS_HIERZ) && (dev_priv->microcode_version==UCODE_R200)
+ && (flags & RADEON_USE_HIERZ))
+ /* r100 and cards without hierarchical z-buffer have no high-level z-buffer */
+ /* FIXME : the mask supposedly contains low-res z values. So can't set
+ just to the max (0xff? or actually 0x3fff?), need to take z clear
+ value into account? */
+ {
+ BEGIN_RING( 4 );
+ OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_HIZ, 2 ) );
+ OUT_RING( 0x0 ); /* First tile */
+ OUT_RING( 0x3cc0 );
+ OUT_RING( (0xff<<22)|(0xff<<6)| 0x003f003f);
+ ADVANCE_RING();
+ }
+ }
+
/* We have to clear the depth and/or stencil buffers by
* rendering a quad into just those buffers. Thus, we have to
* make sure the 3D engine is configured correctly.
*/
- if ( (dev_priv->microcode_version==UCODE_R200) &&
- (flags & (RADEON_DEPTH | RADEON_STENCIL)) ) {
+ else if ((dev_priv->microcode_version == UCODE_R200) &&
+ (flags & (RADEON_DEPTH | RADEON_STENCIL))) {
int tempPP_CNTL;
int tempRE_CNTL;
tempRB3D_STENCILREFMASK = 0x00000000;
}
+ if (flags & RADEON_USE_COMP_ZBUF) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
+ RADEON_Z_DECOMPRESSION_ENABLE;
+ }
+ if (flags & RADEON_USE_HIERZ) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
+ }
+
BEGIN_RING( 26 );
RADEON_WAIT_UNTIL_2D_IDLE();
}
else if ( (flags & (RADEON_DEPTH | RADEON_STENCIL)) ) {
+ int tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
+
rb3d_cntl = depth_clear->rb3d_cntl;
if ( flags & RADEON_DEPTH ) {
rb3d_stencilrefmask = 0x00000000;
}
+ if (flags & RADEON_USE_COMP_ZBUF) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
+ RADEON_Z_DECOMPRESSION_ENABLE;
+ }
+ if (flags & RADEON_USE_HIERZ) {
+ tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
+ }
+
BEGIN_RING( 13 );
RADEON_WAIT_UNTIL_2D_IDLE();
OUT_RING( rb3d_cntl );
OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL,
- depth_clear->rb3d_zstencilcntl );
+ tempRB3D_ZSTENCILCNTL );
OUT_RING_REG( RADEON_RB3D_STENCILREFMASK,
rb3d_stencilrefmask );
OUT_RING_REG( RADEON_RB3D_PLANEMASK,
projects / platform / upstream / libdrm.git / commitdiff