draw: implement support for multiple viewports

[mesa.git] / src / gallium / auxiliary / draw / draw_pipe_validate.c

diff --git a/src/gallium/auxiliary/draw/draw_pipe_validate.c b/src/gallium/auxiliary/draw/draw_pipe_validate.c
index a69e2633becf80877fd8ca5330208ae16db740c4..4b0ed148129f2c3a01c2a1bf4fd918c9db57b4a2 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_pipe_validate.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_validate.c
@@ -29,6 +29,7 @@
  */
 
 #include "util/u_memory.h"
+#include "util/u_math.h"
 #include "pipe/p_defines.h"
 #include "draw_private.h"
 #include "draw_pipe.h"
@@ -86,7 +87,7 @@ draw_need_pipeline(const struct draw_context *draw,
          return TRUE;
 
       /* wide lines */
-      if (rasterizer->line_width > draw->pipeline.wide_line_threshold)
+      if (roundf(rasterizer->line_width) > draw->pipeline.wide_line_threshold)
          return TRUE;
 
       /* AA lines */
@@ -100,12 +101,17 @@ draw_need_pipeline(const struct draw_context *draw,
       if (rasterizer->point_size > draw->pipeline.wide_point_threshold)
          return TRUE;
 
+      /* sprite points */
+      if (rasterizer->point_quad_rasterization
+          && draw->pipeline.wide_point_sprites)
+         return TRUE;
+
       /* AA points */
       if (rasterizer->point_smooth && draw->pipeline.aapoint)
          return TRUE;
 
       /* point sprites */
-      if (rasterizer->point_sprite && draw->pipeline.point_sprite)
+      if (rasterizer->sprite_coord_enable && draw->pipeline.point_sprite)
          return TRUE;
    }
 
@@ -117,12 +123,14 @@ draw_need_pipeline(const struct draw_context *draw,
          return TRUE;
 
       /* unfilled polygons */
-      if (rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL ||
-          rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL)
+      if (rasterizer->fill_front != PIPE_POLYGON_MODE_FILL ||
+          rasterizer->fill_back != PIPE_POLYGON_MODE_FILL)
          return TRUE;
       
       /* polygon offset */
-      if (rasterizer->offset_cw || rasterizer->offset_ccw)
+      if (rasterizer->offset_point ||
+          rasterizer->offset_line ||
+          rasterizer->offset_tri)
          return TRUE;
 
       /* two-side lighting */
@@ -154,6 +162,7 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
    boolean need_det = FALSE;
    boolean precalc_flat = FALSE;
    boolean wide_lines, wide_points;
+   const struct pipe_rasterizer_state *rast = draw->rasterizer;
 
    /* Set the validate's next stage to the rasterize stage, so that it
     * can be found later if needed for flushing.
@@ -161,15 +170,17 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
    stage->next = next;
 
    /* drawing wide lines? */
-   wide_lines = (draw->rasterizer->line_width > draw->pipeline.wide_line_threshold
-                 && !draw->rasterizer->line_smooth);
+   wide_lines = (roundf(rast->line_width) > draw->pipeline.wide_line_threshold
+                 && !rast->line_smooth);
 
-   /* drawing large points? */
-   if (draw->rasterizer->point_sprite && draw->pipeline.point_sprite)
+   /* drawing large/sprite points (but not AA points)? */
+   if (rast->sprite_coord_enable && draw->pipeline.point_sprite)
       wide_points = TRUE;
-   else if (draw->rasterizer->point_smooth && draw->pipeline.aapoint)
+   else if (rast->point_smooth && draw->pipeline.aapoint)
       wide_points = FALSE;
-   else if (draw->rasterizer->point_size > draw->pipeline.wide_point_threshold)
+   else if (rast->point_size > draw->pipeline.wide_point_threshold)
+      wide_points = TRUE;
+   else if (rast->point_quad_rasterization && draw->pipeline.wide_point_sprites)
       wide_points = TRUE;
    else
       wide_points = FALSE;
@@ -181,12 +192,13 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
     * shorter pipelines for lines & points.
     */
 
-   if (draw->rasterizer->line_smooth && draw->pipeline.aaline) {
+   if (rast->line_smooth && draw->pipeline.aaline) {
       draw->pipeline.aaline->next = next;
       next = draw->pipeline.aaline;
+      precalc_flat = TRUE;
    }
 
-   if (draw->rasterizer->point_smooth && draw->pipeline.aapoint) {
+   if (rast->point_smooth && draw->pipeline.aapoint) {
       draw->pipeline.aapoint->next = next;
       next = draw->pipeline.aapoint;
    }
@@ -197,44 +209,45 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
       precalc_flat = TRUE;
    }
 
-   if (wide_points || draw->rasterizer->point_sprite) {
+   if (wide_points) {
       draw->pipeline.wide_point->next = next;
       next = draw->pipeline.wide_point;
    }
 
-   if (draw->rasterizer->line_stipple_enable && draw->pipeline.line_stipple) {
+   if (rast->line_stipple_enable && draw->pipeline.line_stipple) {
       draw->pipeline.stipple->next = next;
       next = draw->pipeline.stipple;
       precalc_flat = TRUE;             /* only needed for lines really */
    }
 
-   if (draw->rasterizer->poly_stipple_enable
+   if (rast->poly_stipple_enable
        && draw->pipeline.pstipple) {
       draw->pipeline.pstipple->next = next;
       next = draw->pipeline.pstipple;
    }
 
-   if (draw->rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL ||
-       draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL) {
+   if (rast->fill_front != PIPE_POLYGON_MODE_FILL ||
+       rast->fill_back != PIPE_POLYGON_MODE_FILL) {
       draw->pipeline.unfilled->next = next;
       next = draw->pipeline.unfilled;
       precalc_flat = TRUE;             /* only needed for triangles really */
       need_det = TRUE;
    }
 
-   if (draw->rasterizer->flatshade && precalc_flat) {
+   if (rast->flatshade && precalc_flat) {
       draw->pipeline.flatshade->next = next;
       next = draw->pipeline.flatshade;
    }
         
-   if (draw->rasterizer->offset_cw ||
-       draw->rasterizer->offset_ccw) {
+   if (rast->offset_point ||
+       rast->offset_line ||
+       rast->offset_tri) {
       draw->pipeline.offset->next = next;
       next = draw->pipeline.offset;
       need_det = TRUE;
    }
 
-   if (draw->rasterizer->light_twoside) {
+   if (rast->light_twoside) {
       draw->pipeline.twoside->next = next;
       next = draw->pipeline.twoside;
       need_det = TRUE;
@@ -247,14 +260,14 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
     * to less work emitting vertices, smaller vertex buffers, etc.
     * It's difficult to say whether this will be true in general.
     */
-   if (need_det || draw->rasterizer->cull_mode) {
+   if (need_det || rast->cull_face != PIPE_FACE_NONE) {
       draw->pipeline.cull->next = next;
       next = draw->pipeline.cull;
    }
 
    /* Clip stage
     */
-   if (!draw->bypass_clipping)
+   if (draw->clip_xy || draw->clip_z || draw->clip_user)
    {
       draw->pipeline.clip->next = next;
       next = draw->pipeline.clip;