i965: Refactor SIMD16-to-2xSIMD8 checks.

[mesa.git] / src / mesa / drivers / dri / i965 / gen7_sf_state.c

diff --git a/src/mesa/drivers/dri/i965/gen7_sf_state.c b/src/mesa/drivers/dri/i965/gen7_sf_state.c
index 62362c2928adc79168a1016bbf073a2c85f8709d..c9815b03bb47f442ee05293aca7920246a3ad149 100644 (file)
--- a/src/mesa/drivers/dri/i965/gen7_sf_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_sf_state.c
@@ -33,9 +33,11 @@ static void
 upload_sbe_state(struct brw_context *brw)
 {
    struct gl_context *ctx = &brw->ctx;
-   /* CACHE_NEW_WM_PROG */
+   /* BRW_NEW_FS_PROG_DATA */
    uint32_t num_outputs = brw->wm.prog_data->num_varying_inputs;
-   uint32_t dw1, dw10, dw11;
+   uint32_t dw1;
+   uint32_t point_sprite_enables;
+   uint32_t flat_enables;
    int i;
    const int urb_entry_read_offset = BRW_SF_URB_ENTRY_READ_OFFSET;
    uint16_t attr_overrides[16];
@@ -58,16 +60,12 @@ upload_sbe_state(struct brw_context *brw)
    }
    dw1 |= point_sprite_origin;
 
-
-   dw10 = 0;
-   dw11 = 0;
-
-   /* BRW_NEW_VUE_MAP_GEOM_OUT | _NEW_POINT | _NEW_LIGHT | _NEW_PROGRAM |
-    * CACHE_NEW_WM_PROG
+   /* BRW_NEW_VUE_MAP_GEOM_OUT | BRW_NEW_FRAGMENT_PROGRAM
+    * _NEW_POINT | _NEW_LIGHT | _NEW_PROGRAM | BRW_NEW_FS_PROG_DATA
     */
    uint32_t urb_entry_read_length;
-   calculate_attr_overrides(brw, attr_overrides, &dw10, &dw11,
-                            &urb_entry_read_length);
+   calculate_attr_overrides(brw, attr_overrides, &point_sprite_enables,
+                            &flat_enables, &urb_entry_read_length);
    dw1 |= urb_entry_read_length << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
           urb_entry_read_offset << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT;
 
@@ -80,8 +78,8 @@ upload_sbe_state(struct brw_context *brw)
       OUT_BATCH(attr_overrides[i * 2] | attr_overrides[i * 2 + 1] << 16);
    }
 
-   OUT_BATCH(dw10); /* point sprite texcoord bitmask */
-   OUT_BATCH(dw11); /* constant interp bitmask */
+   OUT_BATCH(point_sprite_enables); /* dw10 */
+   OUT_BATCH(flat_enables);
    OUT_BATCH(0); /* wrapshortest enables 0-7 */
    OUT_BATCH(0); /* wrapshortest enables 8-15 */
    ADVANCE_BATCH();
@@ -89,14 +87,16 @@ upload_sbe_state(struct brw_context *brw)
 
 const struct brw_tracked_state gen7_sbe_state = {
    .dirty = {
-      .mesa  = (_NEW_BUFFERS |
-               _NEW_LIGHT |
-               _NEW_POINT |
-               _NEW_PROGRAM),
-      .brw   = (BRW_NEW_CONTEXT |
-               BRW_NEW_FRAGMENT_PROGRAM |
-                BRW_NEW_VUE_MAP_GEOM_OUT),
-      .cache = CACHE_NEW_WM_PROG
+      .mesa  = _NEW_BUFFERS |
+               _NEW_LIGHT |
+               _NEW_POINT |
+               _NEW_PROGRAM,
+      .brw   = BRW_NEW_CONTEXT |
+               BRW_NEW_FRAGMENT_PROGRAM |
+               BRW_NEW_FS_PROG_DATA |
+               BRW_NEW_GEOMETRY_PROGRAM |
+               BRW_NEW_PRIMITIVE |
+               BRW_NEW_VUE_MAP_GEOM_OUT,
    },
    .emit = upload_sbe_state,
 };
@@ -111,8 +111,10 @@ upload_sf_state(struct brw_context *brw)
    bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
    bool multisampled_fbo = ctx->DrawBuffer->Visual.samples > 1;
 
-   dw1 = GEN6_SF_STATISTICS_ENABLE |
-         GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
+   dw1 = GEN6_SF_STATISTICS_ENABLE;
+
+   if (brw->sf.viewport_transform_enable)
+       dw1 |= GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
 
    /* _NEW_BUFFERS */
    dw1 |= (brw_depthbuffer_format(brw) << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
@@ -144,8 +146,7 @@ upload_sf_state(struct brw_context *brw)
        break;
 
    default:
-       assert(0);
-       break;
+       unreachable("not reached");
    }
 
    switch (ctx->Polygon.BackMode) {
@@ -162,8 +163,7 @@ upload_sf_state(struct brw_context *brw)
        break;
 
    default:
-       assert(0);
-       break;
+       unreachable("not reached");
    }
 
    dw2 = 0;
@@ -180,20 +180,24 @@ upload_sf_state(struct brw_context *brw)
         dw2 |= GEN6_SF_CULL_BOTH;
         break;
       default:
-        assert(0);
-        break;
+        unreachable("not reached");
       }
    } else {
       dw2 |= GEN6_SF_CULL_NONE;
    }
 
    /* _NEW_SCISSOR */
-   if (ctx->Scissor.Enabled)
+   if (ctx->Scissor.EnableFlags)
       dw2 |= GEN6_SF_SCISSOR_ENABLE;
 
    /* _NEW_LINE */
    {
-      uint32_t line_width_u3_7 = U_FIXED(CLAMP(ctx->Line.Width, 0.0, 7.99), 7);
+      /* OpenGL dictates that line width should be rounded to the nearest
+       * integer
+       */
+      float line_width =
+         roundf(CLAMP(ctx->Line.Width, 0.0, ctx->Const.MaxLineWidth));
+      uint32_t line_width_u3_7 = U_FIXED(line_width, 7);
       /* TODO: line width of 0 is not allowed when MSAA enabled */
       if (line_width_u3_7 == 0)
          line_width_u3_7 = 1;
@@ -242,22 +246,21 @@ upload_sf_state(struct brw_context *brw)
    OUT_BATCH(dw3);
    OUT_BATCH_F(ctx->Polygon.OffsetUnits * 2); /* constant.  copied from gen4 */
    OUT_BATCH_F(ctx->Polygon.OffsetFactor); /* scale */
-   OUT_BATCH_F(0.0); /* XXX: global depth offset clamp */
+   OUT_BATCH_F(ctx->Polygon.OffsetClamp); /* global depth offset clamp */
    ADVANCE_BATCH();
 }
 
 const struct brw_tracked_state gen7_sf_state = {
    .dirty = {
-      .mesa  = (_NEW_LIGHT |
-               _NEW_PROGRAM |
-               _NEW_POLYGON |
-               _NEW_LINE |
-               _NEW_SCISSOR |
-               _NEW_BUFFERS |
-               _NEW_POINT |
-                _NEW_MULTISAMPLE),
+      .mesa  = _NEW_BUFFERS |
+               _NEW_LIGHT |
+               _NEW_LINE |
+               _NEW_MULTISAMPLE |
+               _NEW_POINT |
+               _NEW_POLYGON |
+               _NEW_PROGRAM |
+               _NEW_SCISSOR,
       .brw   = BRW_NEW_CONTEXT,
-      .cache = CACHE_NEW_VS_PROG
    },
    .emit = upload_sf_state,
 };