i965/fs: Lower 32x32 bit multiplication on BXT.

[mesa.git] / src / mesa / drivers / dri / i965 / gen6_sf_state.c

diff --git a/src/mesa/drivers/dri/i965/gen6_sf_state.c b/src/mesa/drivers/dri/i965/gen6_sf_state.c
index e445ce256000cc016d76de546e55c50f9b78dbb8..4068f2844a2f7aae4807e6f9bc5c696db05203e3 100644 (file)
--- a/src/mesa/drivers/dri/i965/gen6_sf_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_sf_state.c
@@ -31,6 +31,7 @@
 #include "brw_util.h"
 #include "main/macros.h"
 #include "main/fbobject.h"
+#include "main/framebuffer.h"
 #include "intel_batchbuffer.h"
 
 /**
@@ -273,7 +274,7 @@ upload_sf_state(struct brw_context *brw)
    int i;
    /* _NEW_BUFFER */
    bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
-   bool multisampled_fbo = ctx->DrawBuffer->Visual.samples > 1;
+   const bool multisampled_fbo = _mesa_geometric_samples(ctx->DrawBuffer) > 1;
 
    const int urb_entry_read_offset = BRW_SF_URB_ENTRY_READ_OFFSET;
    float point_size;
@@ -361,31 +362,7 @@ upload_sf_state(struct brw_context *brw)
 
    /* _NEW_LINE */
    {
-      /* 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);
-
-      /* Line width of 0 is not allowed when MSAA enabled */
-      if (ctx->Multisample._Enabled) {
-         if (line_width_u3_7 == 0)
-             line_width_u3_7 = 1;
-      } else if (ctx->Line.SmoothFlag && ctx->Line.Width < 1.5) {
-         /* For 1 pixel line thickness or less, the general
-          * anti-aliasing algorithm gives up, and a garbage line is
-          * generated.  Setting a Line Width of 0.0 specifies the
-          * rasterization of the "thinnest" (one-pixel-wide),
-          * non-antialiased lines.
-          *
-          * Lines rendered with zero Line Width are rasterized using
-          * Grid Intersection Quantization rules as specified by
-          * bspec section 6.3.12.1 Zero-Width (Cosmetic) Line
-          * Rasterization.
-          */
-         line_width_u3_7 = 0;
-      }
+      uint32_t line_width_u3_7 = brw_get_line_width(brw);
       dw3 |= line_width_u3_7 << GEN6_SF_LINE_WIDTH_SHIFT;
    }
    if (ctx->Line.SmoothFlag) {
@@ -406,7 +383,7 @@ upload_sf_state(struct brw_context *brw)
    point_size = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize);
 
    /* Clamp to the hardware limits and convert to fixed point */
-   dw4 |= U_FIXED(CLAMP(point_size, 0.125, 255.875), 3);
+   dw4 |= U_FIXED(CLAMP(point_size, 0.125f, 255.875f), 3);
 
    /*
     * Window coordinates in an FBO are inverted, which means point