i965: Share min/max between brw_wm_emit.c and brw_wm_glsl.c
[mesa.git] / src / mesa / drivers / dri / i965 / brw_clip.c
index 540108e5f427657ecf103e99db090aeb53f889d9..20a927cf386a2f43417e1ca39430492ef5fee53f 100644 (file)
@@ -29,9 +29,9 @@
   *   Keith Whitwell <keith@tungstengraphics.com>
   */
 
-#include "glheader.h"
-#include "macros.h"
-#include "enums.h"
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/enums.h"
 
 #include "intel_batchbuffer.h"
 
@@ -65,21 +65,31 @@ static void compile_clip_prog( struct brw_context *brw,
    c.func.single_program_flow = 1;
 
    c.key = *key;
-
+   c.need_ff_sync = BRW_IS_IGDNG(brw);
 
    /* Need to locate the two positions present in vertex + header.
     * These are currently hardcoded:
     */
    c.header_position_offset = ATTR_SIZE;
 
-   for (i = 0, delta = REG_SIZE; i < VERT_RESULT_MAX; i++)
+   if (BRW_IS_IGDNG(brw))
+       delta = 3 * REG_SIZE;
+   else
+       delta = REG_SIZE;
+
+   for (i = 0; i < VERT_RESULT_MAX; i++)
       if (c.key.attrs & (1<<i)) {
         c.offset[i] = delta;
         delta += ATTR_SIZE;
       }
 
    c.nr_attrs = brw_count_bits(c.key.attrs);
-   c.nr_regs = (c.nr_attrs + 1) / 2 + 1;  /* are vertices packed, or reg-aligned? */
+   
+   if (BRW_IS_IGDNG(brw))
+       c.nr_regs = (c.nr_attrs + 1) / 2 + 3;  /* are vertices packed, or reg-aligned? */
+   else
+       c.nr_regs = (c.nr_attrs + 1) / 2 + 1;  /* are vertices packed, or reg-aligned? */
+
    c.nr_bytes = c.nr_regs * REG_SIZE;
 
    c.prog_data.clip_mode = c.key.clip_mode; /* XXX */
@@ -131,7 +141,7 @@ static void compile_clip_prog( struct brw_context *brw,
 
 /* Calculate interpolants for triangle and line rasterization.
  */
-static int upload_clip_prog( struct brw_context *brw )
+static void upload_clip_prog(struct brw_context *brw)
 {
    GLcontext *ctx = &brw->intel.ctx;
    struct brw_clip_prog_key key;
@@ -145,14 +155,19 @@ static int upload_clip_prog( struct brw_context *brw )
    /* CACHE_NEW_VS_PROG */
    key.attrs = brw->vs.prog_data->outputs_written;
    /* _NEW_LIGHT */
-   key.do_flat_shading = (brw->attribs.Light->ShadeModel == GL_FLAT);
+   key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
    /* _NEW_TRANSFORM */
-   key.nr_userclip = brw_count_bits(brw->attribs.Transform->ClipPlanesEnabled);
-   key.clip_mode = BRW_CLIPMODE_NORMAL;
+   key.nr_userclip = brw_count_bits(ctx->Transform.ClipPlanesEnabled);
+
+   if (BRW_IS_IGDNG(brw))
+       key.clip_mode = BRW_CLIPMODE_KERNEL_CLIP;
+   else
+       key.clip_mode = BRW_CLIPMODE_NORMAL;
 
    /* _NEW_POLYGON */
    if (key.primitive == GL_TRIANGLES) {
-      if (brw->attribs.Polygon->CullFaceMode == GL_FRONT_AND_BACK) 
+      if (ctx->Polygon.CullFlag &&
+         ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
         key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
       else {
         GLuint fill_front = CLIP_CULL;
@@ -160,44 +175,44 @@ static int upload_clip_prog( struct brw_context *brw )
         GLuint offset_front = 0;
         GLuint offset_back = 0;
 
-        if (!brw->attribs.Polygon->CullFlag ||
-            brw->attribs.Polygon->CullFaceMode != GL_FRONT) {
-           switch (brw->attribs.Polygon->FrontMode) {
+        if (!ctx->Polygon.CullFlag ||
+            ctx->Polygon.CullFaceMode != GL_FRONT) {
+           switch (ctx->Polygon.FrontMode) {
            case GL_FILL: 
               fill_front = CLIP_FILL; 
               offset_front = 0;
               break;
            case GL_LINE:
               fill_front = CLIP_LINE;
-              offset_front = brw->attribs.Polygon->OffsetLine;
+              offset_front = ctx->Polygon.OffsetLine;
               break;
            case GL_POINT:
               fill_front = CLIP_POINT;
-              offset_front = brw->attribs.Polygon->OffsetPoint;
+              offset_front = ctx->Polygon.OffsetPoint;
               break;
            }
         }
 
-        if (!brw->attribs.Polygon->CullFlag ||
-            brw->attribs.Polygon->CullFaceMode != GL_BACK) {
-           switch (brw->attribs.Polygon->BackMode) {
+        if (!ctx->Polygon.CullFlag ||
+            ctx->Polygon.CullFaceMode != GL_BACK) {
+           switch (ctx->Polygon.BackMode) {
            case GL_FILL: 
               fill_back = CLIP_FILL; 
               offset_back = 0;
               break;
            case GL_LINE:
               fill_back = CLIP_LINE;
-              offset_back = brw->attribs.Polygon->OffsetLine;
+              offset_back = ctx->Polygon.OffsetLine;
               break;
            case GL_POINT:
               fill_back = CLIP_POINT;
-              offset_back = brw->attribs.Polygon->OffsetPoint;
+              offset_back = ctx->Polygon.OffsetPoint;
               break;
            }
         }
 
-        if (brw->attribs.Polygon->BackMode != GL_FILL ||
-            brw->attribs.Polygon->FrontMode != GL_FILL) {
+        if (ctx->Polygon.BackMode != GL_FILL ||
+            ctx->Polygon.FrontMode != GL_FILL) {
            key.do_unfilled = 1;
 
            /* Most cases the fixed function units will handle.  Cases where
@@ -207,17 +222,17 @@ static int upload_clip_prog( struct brw_context *brw )
 
            if (offset_back || offset_front) {
               /* _NEW_POLYGON, _NEW_BUFFERS */
-              key.offset_units = brw->attribs.Polygon->OffsetUnits * brw->intel.polygon_offset_scale;
-              key.offset_factor = brw->attribs.Polygon->OffsetFactor * ctx->DrawBuffer->_MRD;
+              key.offset_units = ctx->Polygon.OffsetUnits * brw->intel.polygon_offset_scale;
+              key.offset_factor = ctx->Polygon.OffsetFactor * ctx->DrawBuffer->_MRD;
            }
 
-           switch (brw->attribs.Polygon->FrontFace) {
+           switch (ctx->Polygon.FrontFace) {
            case GL_CCW:
               key.fill_ccw = fill_front;
               key.fill_cw = fill_back;
               key.offset_ccw = offset_front;
               key.offset_cw = offset_back;
-              if (brw->attribs.Light->Model.TwoSide &&
+              if (ctx->Light.Model.TwoSide &&
                   key.fill_cw != CLIP_CULL) 
                  key.copy_bfc_cw = 1;
               break;
@@ -226,7 +241,7 @@ static int upload_clip_prog( struct brw_context *brw )
               key.fill_ccw = fill_back;
               key.offset_cw = offset_front;
               key.offset_ccw = offset_back;
-              if (brw->attribs.Light->Model.TwoSide &&
+              if (ctx->Light.Model.TwoSide &&
                   key.fill_ccw != CLIP_CULL) 
                  key.copy_bfc_ccw = 1;
               break;
@@ -242,8 +257,6 @@ static int upload_clip_prog( struct brw_context *brw )
                                        &brw->clip.prog_data);
    if (brw->clip.prog_bo == NULL)
       compile_clip_prog( brw, &key );
-
-   return dri_bufmgr_check_aperture_space(brw->clip.prog_bo);
 }