X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi965%2Fbrw_clear.c;h=488732cb4f5ba2f3f10c14639e031c7cb9e39842;hb=8bed1adfc144d9ae8d55ccb9b277942da8a78064;hp=ce40e52d461d412a4a96595d4534599fcb2a2097;hpb=5133bd6585552a5708b294180fa9a561bf7564a6;p=mesa.git

diff --git a/src/mesa/drivers/dri/i965/brw_clear.c b/src/mesa/drivers/dri/i965/brw_clear.c
index ce40e52d461..488732cb4f5 100644
--- a/src/mesa/drivers/dri/i965/brw_clear.c
+++ b/src/mesa/drivers/dri/i965/brw_clear.c
@@ -1,6 +1,5 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+/*
+ * Copyright 2003 VMware, Inc.
  * Copyright 2009, 2012 Intel Corporation.
  * All Rights Reserved.
  *
@@ -8,7 +7,7 @@
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
+ * distribute, sublicense, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
  *
@@ -18,27 +17,25 @@
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
+ */
 
-#include "main/glheader.h"
 #include "main/mtypes.h"
 #include "main/condrender.h"
 #include "swrast/swrast.h"
 #include "drivers/common/meta.h"
 
 #include "intel_batchbuffer.h"
-#include "intel_context.h"
 #include "intel_blit.h"
-#include "intel_clear.h"
 #include "intel_fbo.h"
 #include "intel_mipmap_tree.h"
-#include "intel_regions.h"
+
+#include "brw_context.h"
+#include "brw_blorp.h"
 
 #define FILE_DEBUG_FLAG DEBUG_BLIT
 
@@ -76,6 +73,18 @@ debug_mask(const char *name, GLbitfield mask)
    }
 }
 
+/**
+ * Returns true if the scissor is a noop (cuts out nothing).
+ */
+static bool
+noop_scissor(struct gl_framebuffer *fb)
+{
+   return fb->_Xmin <= 0 &&
+          fb->_Ymin <= 0 &&
+          fb->_Xmax >= fb->Width &&
+          fb->_Ymax >= fb->Height;
+}
+
 /**
  * Implements fast depth clears on gen6+.
  *
@@ -91,45 +100,34 @@ debug_mask(const char *name, GLbitfield mask)
 static bool
 brw_fast_clear_depth(struct gl_context *ctx)
 {
-   struct intel_context *intel = intel_context(ctx);
+   struct brw_context *brw = brw_context(ctx);
    struct gl_framebuffer *fb = ctx->DrawBuffer;
    struct intel_renderbuffer *depth_irb =
       intel_get_renderbuffer(fb, BUFFER_DEPTH);
    struct intel_mipmap_tree *mt = depth_irb->mt;
+   struct gl_renderbuffer_attachment *depth_att = &fb->Attachment[BUFFER_DEPTH];
 
-   if (intel->gen < 6)
+   if (brw->gen < 6)
       return false;
 
-   if (!mt->hiz_mt)
+   if (!intel_renderbuffer_has_hiz(depth_irb))
       return false;
 
    /* We only handle full buffer clears -- otherwise you'd have to track whether
     * a previous clear had happened at a different clear value and resolve it
     * first.
     */
-   if (ctx->Scissor.Enabled) {
-      perf_debug("Failed to fast clear depth due to scissor being enabled.  "
-                 "Possible 5%% performance win if avoided.\n");
-      return false;
-   }
-
-   /* The rendered area has to be 8x4 samples, not resolved pixels, so we look
-    * at the miptree slice dimensions instead of renderbuffer size.
-    */
-   if (mt->level[depth_irb->mt_level].width % 8 != 0 ||
-       mt->level[depth_irb->mt_level].height % 4 != 0) {
-      perf_debug("Failed to fast clear depth due to width/height %d,%d not "
-                 "being aligned to 8,4.  Possible 5%% performance win if "
-                 "avoided\n",
-                 mt->level[depth_irb->mt_level].width,
-                 mt->level[depth_irb->mt_level].height);
+   if ((ctx->Scissor.EnableFlags & 1) && !noop_scissor(fb)) {
+      perf_debug("Failed to fast clear %dx%d depth because of scissors.  "
+                 "Possible 5%% performance win if avoided.\n",
+                 mt->logical_width0, mt->logical_height0);
       return false;
    }
 
    uint32_t depth_clear_value;
    switch (mt->format) {
-   case MESA_FORMAT_Z32_FLOAT_X24S8:
-   case MESA_FORMAT_S8_Z24:
+   case MESA_FORMAT_Z32_FLOAT_S8X24_UINT:
+   case MESA_FORMAT_Z24_UNORM_S8_UINT:
       /* From the Sandy Bridge PRM, volume 2 part 1, page 314:
        *
        *     "[DevSNB+]: Several cases exist where Depth Buffer Clear cannot be
@@ -140,11 +138,11 @@ brw_fast_clear_depth(struct gl_context *ctx)
        */
       return false;
 
-   case MESA_FORMAT_Z32_FLOAT:
+   case MESA_FORMAT_Z_FLOAT32:
       depth_clear_value = float_as_int(ctx->Depth.Clear);
       break;
 
-   case MESA_FORMAT_Z16:
+   case MESA_FORMAT_Z_UNORM16:
       /* From the Sandy Bridge PRM, volume 2 part 1, page 314:
        *
        *     "[DevSNB+]: Several cases exist where Depth Buffer Clear cannot be
@@ -154,12 +152,17 @@ 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 (intel->gen == 6 && (mt->level[depth_irb->mt_level].width % 16) != 0)
+      if (brw->gen == 6 &&
+          (minify(mt->physical_width0,
+                  depth_irb->mt_level - mt->first_level) % 16) != 0)
 	 return false;
       /* FALLTHROUGH */
 
    default:
-      depth_clear_value = fb->_DepthMax * ctx->Depth.Clear;
+      if (brw->gen >= 8)
+         depth_clear_value = float_as_int(ctx->Depth.Clear);
+      else
+         depth_clear_value = fb->_DepthMax * ctx->Depth.Clear;
       break;
    }
 
@@ -167,7 +170,7 @@ brw_fast_clear_depth(struct gl_context *ctx)
     * flags out of the HiZ buffer into the real depth buffer.
     */
    if (mt->depth_clear_value != depth_clear_value) {
-      intel_miptree_all_slices_resolve_depth(intel, mt);
+      intel_miptree_all_slices_resolve_depth(brw, mt);
       mt->depth_clear_value = depth_clear_value;
    }
 
@@ -178,25 +181,33 @@ brw_fast_clear_depth(struct gl_context *ctx)
     *      must be issued before the rectangle primitive used for the depth
     *      buffer clear operation.
     */
-   intel_batchbuffer_emit_mi_flush(intel);
+   brw_emit_mi_flush(brw);
 
-   intel_hiz_exec(intel, mt, depth_irb->mt_level, depth_irb->mt_layer,
-		  GEN6_HIZ_OP_DEPTH_CLEAR);
+   if (fb->MaxNumLayers > 0) {
+      for (unsigned layer = 0; layer < depth_irb->layer_count; layer++) {
+         intel_hiz_exec(brw, mt, depth_irb->mt_level,
+                        depth_irb->mt_layer + layer,
+                        BLORP_HIZ_OP_DEPTH_CLEAR);
+      }
+   } else {
+      intel_hiz_exec(brw, mt, depth_irb->mt_level, depth_irb->mt_layer,
+                     BLORP_HIZ_OP_DEPTH_CLEAR);
+   }
 
-   if (intel->gen == 6) {
+   if (brw->gen == 6) {
       /* From the Sandy Bridge PRM, volume 2 part 1, page 314:
        *
        *     "DevSNB, DevSNB-B{W/A}]: Depth buffer clear pass must be followed
        *      by a PIPE_CONTROL command with DEPTH_STALL bit set and Then
        *      followed by Depth FLUSH'
       */
-      intel_batchbuffer_emit_mi_flush(intel);
+      brw_emit_mi_flush(brw);
    }
 
    /* Now, the HiZ buffer contains data that needs to be resolved to the depth
     * buffer.
     */
-   intel_renderbuffer_set_needs_depth_resolve(depth_irb);
+   intel_renderbuffer_att_set_needs_depth_resolve(depth_att);
 
    return true;
 }
@@ -207,16 +218,19 @@ brw_fast_clear_depth(struct gl_context *ctx)
 static void
 brw_clear(struct gl_context *ctx, GLbitfield mask)
 {
-   struct intel_context *intel = intel_context(ctx);
+   struct brw_context *brw = brw_context(ctx);
+   struct gl_framebuffer *fb = ctx->DrawBuffer;
+   bool partial_clear = ctx->Scissor.EnableFlags && !noop_scissor(fb);
 
    if (!_mesa_check_conditional_render(ctx))
       return;
 
    if (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_FRONT_RIGHT)) {
-      intel->front_buffer_dirty = true;
+      brw->front_buffer_dirty = true;
    }
 
-   intel_prepare_render(intel);
+   intel_prepare_render(brw);
+   brw_workaround_depthstencil_alignment(brw, partial_clear ? 0 : mask);
 
    if (mask & BUFFER_BIT_DEPTH) {
       if (brw_fast_clear_depth(ctx)) {
@@ -225,6 +239,23 @@ 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;
+   }
+
+   /* BLORP is currently only supported on Gen6+. */
+   if (brw->gen >= 6 && (mask & BUFFER_BITS_COLOR)) {
+      const bool encode_srgb = ctx->Color.sRGBEnabled;
+      if (brw_blorp_clear_color(brw, fb, mask, partial_clear, encode_srgb)) {
+         debug_mask("blorp color", mask & BUFFER_BITS_COLOR);
+         mask &= ~BUFFER_BITS_COLOR;
+      }
+   }
+
    GLbitfield tri_mask = mask & (BUFFER_BITS_COLOR |
 				 BUFFER_BIT_STENCIL |
 				 BUFFER_BIT_DEPTH);
@@ -234,9 +265,9 @@ brw_clear(struct gl_context *ctx, GLbitfield mask)
       mask &= ~tri_mask;
 
       if (ctx->API == API_OPENGLES) {
-         _mesa_meta_Clear(&intel->ctx, tri_mask);
+         _mesa_meta_Clear(&brw->ctx, tri_mask);
       } else {
-         _mesa_meta_glsl_Clear(&intel->ctx, tri_mask);
+         _mesa_meta_glsl_Clear(&brw->ctx, tri_mask);
       }
    }