Move compiler.h and imports.h/c from src/mesa/main into src/util

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

diff --git a/src/mesa/drivers/dri/i965/brw_clear.c b/src/mesa/drivers/dri/i965/brw_clear.c
index b7bf03d8e0a0408af8e8ebe4ddb191a6ec3bb2cd..85f27e717b099f9866c599838c3d4d94b9b5bcc6 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_clear.c
+++ b/src/mesa/drivers/dri/i965/brw_clear.c
@@ -30,7 +30,6 @@
 #include "drivers/common/meta.h"
 
 #include "intel_batchbuffer.h"
-#include "intel_blit.h"
 #include "intel_fbo.h"
 #include "intel_mipmap_tree.h"
 
@@ -107,8 +106,12 @@ brw_fast_clear_depth(struct gl_context *ctx)
       intel_get_renderbuffer(fb, BUFFER_DEPTH);
    struct intel_mipmap_tree *mt = depth_irb->mt;
    struct gl_renderbuffer_attachment *depth_att = &fb->Attachment[BUFFER_DEPTH];
+   const struct gen_device_info *devinfo = &brw->screen->devinfo;
 
-   if (brw->gen < 6)
+   if (INTEL_DEBUG & DEBUG_NO_FAST_CLEAR)
+      return false;
+
+   if (devinfo->gen < 6)
       return false;
 
    if (!intel_renderbuffer_has_hiz(depth_irb))
@@ -149,7 +152,7 @@ brw_fast_clear_depth(struct gl_context *ctx)
        *        width of the map (LOD0) is not multiple of 16, fast clear
        *        optimization must be disabled.
        */
-      if (brw->gen == 6 &&
+      if (devinfo->gen == 6 &&
           (minify(mt->surf.phys_level0_sa.width,
                   depth_irb->mt_level - mt->first_level) % 16) != 0)
         return false;
@@ -167,7 +170,7 @@ brw_fast_clear_depth(struct gl_context *ctx)
     */
    float clear_value =
       mt->format == MESA_FORMAT_Z_FLOAT32 ? ctx->Depth.Clear :
-      (unsigned)(ctx->Depth.Clear * fb->_DepthMax) / (float)fb->_DepthMax;
+      _mesa_lroundeven(ctx->Depth.Clear * fb->_DepthMax) / (float)(fb->_DepthMax);
 
    const uint32_t num_layers = depth_att->Layered ? depth_irb->layer_count : 1;
 
@@ -205,33 +208,14 @@ brw_fast_clear_depth(struct gl_context *ctx)
              * value so this shouldn't happen often.
              */
             intel_hiz_exec(brw, mt, level, layer, 1,
-                           BLORP_HIZ_OP_DEPTH_RESOLVE);
+                           ISL_AUX_OP_FULL_RESOLVE);
             intel_miptree_set_aux_state(brw, mt, level, layer, 1,
                                         ISL_AUX_STATE_RESOLVED);
          }
       }
 
-      mt->fast_clear_color.f32[0] = clear_value;
-   }
-
-   bool need_clear = false;
-   for (unsigned a = 0; a < num_layers; a++) {
-      enum isl_aux_state aux_state =
-         intel_miptree_get_aux_state(mt, depth_irb->mt_level,
-                                     depth_irb->mt_layer + a);
-
-      if (aux_state != ISL_AUX_STATE_CLEAR) {
-         need_clear = true;
-         break;
-      }
-   }
-
-   if (!need_clear) {
-      /* If all of the layers we intend to clear are already in the clear
-       * state then simply updating the miptree fast clear value is sufficient
-       * to change their clear value.
-       */
-      return true;
+      const union isl_color_value clear_color = { .f32 = {clear_value, } };
+      intel_miptree_set_clear_color(brw, mt, clear_color);
    }
 
    for (unsigned a = 0; a < num_layers; a++) {
@@ -242,17 +226,13 @@ brw_fast_clear_depth(struct gl_context *ctx)
       if (aux_state != ISL_AUX_STATE_CLEAR) {
          intel_hiz_exec(brw, mt, depth_irb->mt_level,
                         depth_irb->mt_layer + a, 1,
-                        BLORP_HIZ_OP_DEPTH_CLEAR);
+                        ISL_AUX_OP_FAST_CLEAR);
       }
    }
 
-   /* Now, the HiZ buffer contains data that needs to be resolved to the depth
-    * buffer.
-    */
    intel_miptree_set_aux_state(brw, mt, depth_irb->mt_level,
                                depth_irb->mt_layer, num_layers,
                                ISL_AUX_STATE_CLEAR);
-
    return true;
 }
 
@@ -264,6 +244,7 @@ brw_clear(struct gl_context *ctx, GLbitfield mask)
 {
    struct brw_context *brw = brw_context(ctx);
    struct gl_framebuffer *fb = ctx->DrawBuffer;
+   const struct gen_device_info *devinfo = &brw->screen->devinfo;
    bool partial_clear = ctx->Scissor.EnableFlags && !noop_scissor(fb);
 
    if (!_mesa_check_conditional_render(ctx))
@@ -283,14 +264,6 @@ brw_clear(struct gl_context *ctx, GLbitfield mask)
       }
    }
 
-   if (mask & BUFFER_BIT_STENCIL) {
-      struct intel_renderbuffer *stencil_irb =
-         intel_get_renderbuffer(fb, BUFFER_STENCIL);
-      struct intel_mipmap_tree *mt = stencil_irb->mt;
-      if (mt && mt->stencil_mt)
-         mt->stencil_mt->r8stencil_needs_update = true;
-   }
-
    if (mask & BUFFER_BITS_COLOR) {
       brw_blorp_clear_color(brw, fb, mask, partial_clear,
                             ctx->Color.sRGBEnabled);
@@ -298,7 +271,7 @@ brw_clear(struct gl_context *ctx, GLbitfield mask)
       mask &= ~BUFFER_BITS_COLOR;
    }
 
-   if (brw->gen >= 6 && (mask & BUFFER_BITS_DEPTH_STENCIL)) {
+   if (devinfo->gen >= 6 && (mask & BUFFER_BITS_DEPTH_STENCIL)) {
       brw_blorp_clear_depth_stencil(brw, fb, mask, partial_clear);
       debug_mask("blorp depth/stencil", mask & BUFFER_BITS_DEPTH_STENCIL);
       mask &= ~BUFFER_BITS_DEPTH_STENCIL;