From: Brian <brian.paul@tungstengraphics.com>
Date: Wed, 3 Oct 2007 01:16:57 +0000 (-0600)
Subject: Implement/use fragment kill results
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=355f8f7eedf9ddfac7edd2244f09c5a47fd8af86;p=mesa.git

Implement/use fragment kill results
---

diff --git a/src/mesa/pipe/softpipe/sp_quad_fs.c b/src/mesa/pipe/softpipe/sp_quad_fs.c
index 57c01dcfcc3..f394c587dc8 100755
--- a/src/mesa/pipe/softpipe/sp_quad_fs.c
+++ b/src/mesa/pipe/softpipe/sp_quad_fs.c
@@ -113,7 +113,7 @@ shade_quad(
          machine->InterpCoefs );
    }
    else {
-      tgsi_exec_machine_run( machine );
+      quad->mask &= tgsi_exec_machine_run( machine );
    }
 
    /* store result color (always in output[1]) */
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.c b/src/mesa/pipe/tgsi/exec/tgsi_exec.c
index 158abba270b..a0b3bc1c8e6 100644
--- a/src/mesa/pipe/tgsi/exec/tgsi_exec.c
+++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.c
@@ -2359,16 +2359,16 @@ exec_instruction(
 }
 
 
-void
+/**
+ * Run TGSI interpreter.
+ * \return bitmask of "alive" quad components
+ */
+uint
 tgsi_exec_machine_run( struct tgsi_exec_machine *mach )
 {
    uint i;
    int pc = 0;
 
-#if XXX_SSE
-   mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] = 0;
-#else
-
    mach->CondMask = 0xf;
    mach->LoopMask = 0xf;
    mach->ContMask = 0xf;
@@ -2399,8 +2399,6 @@ tgsi_exec_machine_run( struct tgsi_exec_machine *mach )
       exec_instruction( mach, mach->Instructions + pc, &pc );
    }
 
-#endif
-
 #if 0
    /* we scale from floats in [0,1] to Zbuffer ints in sp_quad_depth_test.c */
    if (mach->Processor == TGSI_PROCESSOR_FRAGMENT) {
@@ -2411,6 +2409,8 @@ tgsi_exec_machine_run( struct tgsi_exec_machine *mach )
          mach->Outputs[0].xyzw[2].f[i] *= ctx->DrawBuffer->_DepthMaxF;
    }
 #endif
+
+   return ~mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0];
 }
 
 
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.h b/src/mesa/pipe/tgsi/exec/tgsi_exec.h
index e7827ecce15..354d5df6c26 100644
--- a/src/mesa/pipe/tgsi/exec/tgsi_exec.h
+++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.h
@@ -175,7 +175,7 @@ tgsi_exec_machine_init(
    unsigned numSamplers,
    struct tgsi_sampler *samplers);
 
-void
+uint
 tgsi_exec_machine_run(
    struct tgsi_exec_machine *mach );