Module: Mesa
Branch: master
Commit: 0af7e9170fd7c0d906652378b9f78fe2ba9725ad
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=0af7e9170fd7c0d906652378b9f78fe2ba9725ad

Author: Eric Anholt <[email protected]>
Date:   Thu Apr  9 18:31:28 2009 -0700

i915: Add decode of dest buffer variables (destination format)

---

 src/mesa/drivers/dri/intel/intel_decode.c |   30 +++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_decode.c 
b/src/mesa/drivers/dri/intel/intel_decode.c
index f046382..a9dfe28 100644
--- a/src/mesa/drivers/dri/intel/intel_decode.c
+++ b/src/mesa/drivers/dri/intel/intel_decode.c
@@ -800,6 +800,7 @@ static int
 decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures, int 
i830)
 {
     unsigned int len, i, c, opcode, word, map, sampler, instr;
+    char *format;
 
     struct {
        uint32_t opcode;
@@ -1001,6 +1002,35 @@ decode_3d_1d(uint32_t *data, int count, uint32_t 
hw_offset, int *failures, int i
            (*failures)++;
        }
        return len;
+    case 0x85:
+       len = (data[0] & 0x0000000f) + 2;
+
+       if (len != 2)
+           fprintf(out, "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
+       if (count < 2)
+           BUFFER_FAIL(count, len, "3DSTATE_DEST_BUFFER_VARIABLES");
+
+       instr_out(data, hw_offset, 0,
+                 "3DSTATE_DEST_BUFFER_VARIABLES\n");
+
+       switch ((data[1] >> 8) & 0xf) {
+       case 0x0: format = "g8"; break;
+       case 0x1: format = "x1r5g5b5"; break;
+       case 0x2: format = "r5g6b5"; break;
+       case 0x3: format = "a8r8g8b8"; break;
+       case 0x4: format = "ycrcb_swapy"; break;
+       case 0x5: format = "ycrcb_normal"; break;
+       case 0x6: format = "ycrcb_swapuv"; break;
+       case 0x7: format = "ycrcb_swapuvy"; break;
+       case 0x8: format = "a4r4g4b4"; break;
+       case 0x9: format = "a1r5g5b5"; break;
+       case 0xa: format = "a2r10g10b10"; break;
+       default: format = "BAD"; break;
+       }
+       instr_out(data, hw_offset, 1, "%s format, early Z %sabled\n",
+                 format,
+                 (data[1] & (1 << 31)) ? "en" : "dis");
+       return len;
     }
 
     for (opcode = 0; opcode < sizeof(opcodes_3d_1d) / sizeof(opcodes_3d_1d[0]);

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