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Use depth tiling.

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This commit is contained in:
Aapo Tahkola
2005-06-16 11:41:19 +00:00
parent af02907b4c
commit 3c6f17be32
2 changed files with 28 additions and 7 deletions
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src/mesa/drivers/dri/r300/r300_reg.h
+6
View File
@@ -1216,6 +1216,12 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_RB3D_ZS2_STENCIL_MASK_SHIFT 8
# define R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT 16
/* gap */
#define R300_RB3D_ZSTENCIL_FORMAT 0x4F10
# define R300_DEPTH_FORMAT_16BIT_INT_Z (0 << 0)
# define R300_DEPTH_FORMAT_24BIT_INT_Z (2 << 0)
/* gap */
#define R300_RB3D_DEPTHOFFSET 0x4F20
#define R300_RB3D_DEPTHPITCH 0x4F24
src/mesa/drivers/dri/r300/r300_state.c
+22 -7
View File
@@ -2142,7 +2142,7 @@ void r300ResetHwState(r300ContextPtr r300)
r300->hw.unk4E10.cmd[3] = 0;
/* Again, r300ClearBuffer uses this */
if(ctx->Visual.doubleBufferMode){
if (ctx->Visual.doubleBufferMode) {
r300->hw.cb.cmd[R300_CB_OFFSET] =
r300->radeon.radeonScreen->backOffset +
r300->radeon.radeonScreen->fbLocation;
@@ -2175,19 +2175,34 @@ void r300ResetHwState(r300ContextPtr r300)
r300->hw.unk4EA0.cmd[1] = 0x00000000;
r300->hw.unk4EA0.cmd[2] = 0xffffffff;
r300->hw.unk4F10.cmd[1] = 0x00000002; // depthbuffer format?
//r300->hw.unk4F10.cmd[2] = 0x00000000;
switch (ctx->Visual.depthBits) {
case 16:
r300->hw.unk4F10.cmd[1] = R300_DEPTH_FORMAT_16BIT_INT_Z;
break;
case 24:
r300->hw.unk4F10.cmd[1] = R300_DEPTH_FORMAT_24BIT_INT_Z;
break;
default:
fprintf(stderr, "Error: Unsupported depth %d... exiting\n",
ctx->Visual.depthBits);
exit(-1);
}
r300->hw.unk4F10.cmd[3] = 0x00000003;
r300->hw.unk4F10.cmd[4] = 0x00000000;
/* experiment a bit */
//r300->hw.unk4F10.cmd[2] = 0x00000001; // depthbuffer format?
r300->hw.zb.cmd[R300_ZB_OFFSET] =
r300->radeon.radeonScreen->depthOffset +
r300->radeon.radeonScreen->fbLocation;
r300->hw.zb.cmd[R300_ZB_PITCH] = r300->radeon.radeonScreen->depthPitch;
/* Turn off when clearing buffers ? */
r300->hw.zb.cmd[R300_ZB_PITCH] |= R300_DEPTH_TILE_ENABLE;
if (ctx->Visual.depthBits == 24)
r300->hw.zb.cmd[R300_ZB_PITCH] |= R300_DEPTH_MICROTILE_ENABLE;
else if (ctx->Visual.depthBits == 16)
r300->hw.zb.cmd[R300_ZB_PITCH] |= R300_DEPTH_ENDIAN_WORD_SWAP;
r300->hw.unk4F28.cmd[1] = 0;
r300->hw.unk4F30.cmd[1] = 0;