Merge commit 'origin/master' into gallium-0.2

[mesa.git] / src / gallium / drivers / softpipe / sp_quad_fs.c

diff --git a/src/gallium/drivers/softpipe/sp_quad_fs.c b/src/gallium/drivers/softpipe/sp_quad_fs.c
index 9a20c056a22407c7a5b6fe89e8a3c835fc5da51b..1f0cb3e03559ca0db12037b40c782d0b3fbbbced 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_quad_fs.c
+++ b/src/gallium/drivers/softpipe/sp_quad_fs.c
@@ -35,7 +35,8 @@
  * all the enabled attributes run contiguously.
  */
 
-#include "pipe/p_util.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_shader_tokens.h"
 
@@ -53,7 +54,6 @@ struct quad_shade_stage
    struct tgsi_sampler samplers[PIPE_MAX_SAMPLERS];
    struct tgsi_exec_machine machine;
    struct tgsi_exec_vector *inputs, *outputs;
-   int colorOutSlot, depthOutSlot;
 };
 
 
@@ -77,20 +77,20 @@ shade_quad(
    struct quad_shade_stage *qss = quad_shade_stage( qs );
    struct softpipe_context *softpipe = qs->softpipe;
    struct tgsi_exec_machine *machine = &qss->machine;
-
+   boolean z_written;
+   
    /* Consts do not require 16 byte alignment. */
    machine->Consts = softpipe->mapped_constants[PIPE_SHADER_FRAGMENT];
 
    machine->InterpCoefs = quad->coef;
 
    /* run shader */
-   quad->mask &= softpipe->fs->run( softpipe->fs, 
+   quad->inout.mask &= softpipe->fs->run( softpipe->fs, 
                                    &qss->machine,
                                    quad );
 
-#if 0 /* XXX multi color outputs - untested */
    /* store outputs */
-   boolean z_written = FALSE;
+   z_written = FALSE;
    {
       const ubyte *sem_name = softpipe->fs->info.output_semantic_name;
       const ubyte *sem_index = softpipe->fs->info.output_semantic_index;
@@ -101,16 +101,16 @@ shade_quad(
          case TGSI_SEMANTIC_COLOR:
             {
                uint cbuf = sem_index[i];
-               memcpy(quad->outputs.color[cbuf],
+               memcpy(quad->output.color[cbuf],
                       &machine->Outputs[i].xyzw[0].f[0],
-                      sizeof(quad->outputs.color[0]) );
+                      sizeof(quad->output.color[0]) );
             }
             break;
          case TGSI_SEMANTIC_POSITION:
             {
                uint j;
                for (j = 0; j < 4; j++) {
-                  quad->outputs.depth[j] = machine->Outputs[0].xyzw[2].f[j];
+                  quad->output.depth[j] = machine->Outputs[0].xyzw[2].f[j];
                }
                z_written = TRUE;
             }
@@ -122,55 +122,20 @@ shade_quad(
    if (!z_written) {
       /* compute Z values now, as in the quad earlyz stage */
       /* XXX we should really only do this if the earlyz stage is not used */
-      const float fx = (float) quad->x0;
-      const float fy = (float) quad->y0;
+      const float fx = (float) quad->input.x0;
+      const float fy = (float) quad->input.y0;
       const float dzdx = quad->posCoef->dadx[2];
       const float dzdy = quad->posCoef->dady[2];
       const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy;
 
-      quad->outputs.depth[0] = z0;
-      quad->outputs.depth[1] = z0 + dzdx;
-      quad->outputs.depth[2] = z0 + dzdy;
-      quad->outputs.depth[3] = z0 + dzdx + dzdy;
-   }
-#endif
-
-   /* store result color(s) */
-   if (qss->colorOutSlot >= 0) {
-      /* XXX need to handle multiple color outputs someday */
-      assert(softpipe->fs->info.output_semantic_name[qss->colorOutSlot]
-             == TGSI_SEMANTIC_COLOR);
-      memcpy(
-             quad->outputs.color[0],
-             &machine->Outputs[qss->colorOutSlot].xyzw[0].f[0],
-             sizeof( quad->outputs.color[0] ) );
-   }
-
-   /* store result Z */
-   if (qss->depthOutSlot >= 0) {
-      /* output[slot] is new Z */
-      uint i;
-      for (i = 0; i < 4; i++) {
-         quad->outputs.depth[i] = machine->Outputs[0].xyzw[2].f[i];
-      }
-   }
-   else {
-      /* compute Z values now, as in the quad earlyz stage */
-      /* XXX we should really only do this if the earlyz stage is not used */
-      const float fx = (float) quad->x0;
-      const float fy = (float) quad->y0;
-      const float dzdx = quad->posCoef->dadx[2];
-      const float dzdy = quad->posCoef->dady[2];
-      const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy;
-
-      quad->outputs.depth[0] = z0;
-      quad->outputs.depth[1] = z0 + dzdx;
-      quad->outputs.depth[2] = z0 + dzdy;
-      quad->outputs.depth[3] = z0 + dzdx + dzdy;
+      quad->output.depth[0] = z0;
+      quad->output.depth[1] = z0 + dzdx;
+      quad->output.depth[2] = z0 + dzdy;
+      quad->output.depth[3] = z0 + dzdx + dzdy;
    }
 
    /* shader may cull fragments */
-   if( quad->mask ) {
+   if( quad->inout.mask ) {
       qs->next->run( qs->next, quad );
    }
 }
@@ -191,20 +156,6 @@ static void shade_begin(struct quad_stage *qs)
       qss->samplers[i].texture = softpipe->texture[i];
    }
 
-   /* find output slots for depth, color */
-   qss->colorOutSlot = -1;
-   qss->depthOutSlot = -1;
-   for (i = 0; i < qss->stage.softpipe->fs->info.num_outputs; i++) {
-      switch (qss->stage.softpipe->fs->info.output_semantic_name[i]) {
-      case TGSI_SEMANTIC_POSITION:
-         qss->depthOutSlot = i;
-         break;
-      case TGSI_SEMANTIC_COLOR:
-         qss->colorOutSlot = i;
-         break;
-      }
-   }
-   
    softpipe->fs->prepare( softpipe->fs, 
                          &qss->machine,
                          qss->samplers );