Merge commit 'origin/master' into gallium-sampler-view

This branch already seems to have the nv50_tex.c fix.

Conflicts:
	src/gallium/drivers/nv50/nv50_tex.c

14 files changed, 133 insertions, 21 deletions

diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c
index 31fd963d19..f5528a7ec6 100644
--- a/src/gallium/drivers/cell/ppu/cell_screen.c
+++ b/src/gallium/drivers/cell/ppu/cell_screen.c
@@ -142,8 +142,10 @@ cell_is_format_supported( struct pipe_screen *screen,
        format == PIPE_FORMAT_A8B8G8R8_SRGB)
       return FALSE;
 
-   if (tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
-      if (!winsys->is_displaytarget_format_supported(winsys, format))
+   if (tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                    PIPE_TEXTURE_USAGE_SCANOUT |
+                    PIPE_TEXTURE_USAGE_SHARED)) {
+      if (!winsys->is_displaytarget_format_supported(winsys, tex_usage, format))
          return FALSE;
    }
 
diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c
index c65c3b4f88..5b169afaf8 100644
--- a/src/gallium/drivers/cell/ppu/cell_texture.c
+++ b/src/gallium/drivers/cell/ppu/cell_texture.c
@@ -105,6 +105,7 @@ cell_displaytarget_layout(struct pipe_screen *screen,
    /* Round up the surface size to a multiple of the tile size?
     */
    ct->dt = winsys->displaytarget_create(winsys,
+                                          ct->base->tex_usage,
                                           ct->base.format,
                                           ct->base.width0, 
                                           ct->base.height0,
diff --git a/src/gallium/drivers/i965/brw_context.c b/src/gallium/drivers/i965/brw_context.c
index 3dbe2b9130..4bcdcdd17e 100644
--- a/src/gallium/drivers/i965/brw_context.c
+++ b/src/gallium/drivers/i965/brw_context.c
@@ -118,6 +118,7 @@ struct pipe_context *brw_create_context(struct pipe_screen *screen,
    brw->sws = brw_screen(screen)->sws;
    brw->chipset = brw_screen(screen)->chipset;
 
+   brw_tex_init( brw );
    brw_pipe_blend_init( brw );
    brw_pipe_depth_stencil_init( brw );
    brw_pipe_framebuffer_init( brw );
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README
index bf4c9a5727..3c3fd386b5 100644
--- a/src/gallium/drivers/llvmpipe/README
+++ b/src/gallium/drivers/llvmpipe/README
@@ -12,7 +12,11 @@ Done so far is:
    
    - depth testing
  
-   - texture sampling (not all state/formats are supported) 
+   - texture sampling
+     - 1D/2D/3D/cube maps supported
+     - all texture wrap modes supported
+     - all texture filtering modes supported
+     - perhaps not all texture formats yet supported
    
    - fragment shader TGSI translation
      - same level of support as the TGSI SSE2 exec machine, with the exception
@@ -37,8 +41,6 @@ To do (probably by this order):
 
  - code generate stipple and stencil testing
 
- - translate the remaining bits of texture sampling state
-
  - translate TGSI control flow instructions, and all other remaining opcodes
  
  - integrate with the draw module for VS code generation
@@ -57,7 +59,7 @@ Requirements
    
    See /proc/cpuinfo to know what your CPU supports.
  
- - LLVM 2.6.
+ - LLVM 2.6 (or later)
  
    For Linux, on a recent Debian based distribution do:
  
@@ -67,6 +69,9 @@ Requirements
    http://people.freedesktop.org/~jrfonseca/llvm/ and set the LLVM environment
    variable to the extracted path.
 
+   The version of LLVM from SVN ("2.7svn") from mid-March 2010 seems pretty
+   stable and has some features not in version 2.6.
+
  - scons (optional)
 
  - udis86, http://udis86.sourceforge.net/ (optional):
@@ -140,11 +145,13 @@ Development Notes
   then skim through the lp_bld_* functions called in there, and the comments
   at the top of the lp_bld_*.c functions.  
 
-- All lp_bld_*.[ch] are isolated from the rest of the driver, and could/may be 
-  put in a stand-alone Gallium state -> LLVM IR translation module.
+- The driver-independent parts of the LLVM / Gallium code are found in
+  src/gallium/auxiliary/gallivm/.  The filenames and function prefixes
+  need to be renamed from "lp_bld_" to something else though.
 
 - We use LLVM-C bindings for now. They are not documented, but follow the C++
   interfaces very closely, and appear to be complete enough for code
   generation. See 
   http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html
   for a stand-alone example.
+  See the llvm-c/Core.h file for reference.
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 5093f58bb1..f1bbc2092c 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -204,8 +204,10 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
          return FALSE;
    }
 
-   if(tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
-      if(!winsys->is_displaytarget_format_supported(winsys, format))
+   if(tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                   PIPE_TEXTURE_USAGE_SCANOUT |
+                   PIPE_TEXTURE_USAGE_SHARED)) {
+      if(!winsys->is_displaytarget_format_supported(winsys, tex_usage, format))
          return FALSE;
    }
 
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.h b/src/gallium/drivers/llvmpipe/lp_screen.h
index d977f98cfa..af25e043cc 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.h
+++ b/src/gallium/drivers/llvmpipe/lp_screen.h
@@ -34,7 +34,7 @@
 #ifndef LP_SCREEN_H
 #define LP_SCREEN_H
 
-#include "os/os_llvm.h"
+#include "gallivm/lp_bld.h"
 #include <llvm-c/ExecutionEngine.h>
 
 #include "pipe/p_screen.h"
diff --git a/src/gallium/drivers/llvmpipe/lp_state.h b/src/gallium/drivers/llvmpipe/lp_state.h
index 13cd934b13..be02e97648 100644
--- a/src/gallium/drivers/llvmpipe/lp_state.h
+++ b/src/gallium/drivers/llvmpipe/lp_state.h
@@ -31,7 +31,7 @@
 #ifndef LP_STATE_H
 #define LP_STATE_H
 
-#include "os/os_llvm.h"
+#include "gallivm/lp_bld.h"
 
 #include "pipe/p_state.h"
 #include "tgsi/tgsi_scan.h"
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index b75ca28206..a2ec8c3943 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -252,7 +252,7 @@ generate_tri_edge_mask(LLVMBuilderRef builder,
                                    LLVMConstInt(LLVMInt32Type(), INT_MIN, 0),
                                    "");
 
-      in_out_mask = lp_build_int_const_scalar(i32_type, ~0);
+      in_out_mask = lp_build_const_int_vec(i32_type, ~0);
 
 
       lp_build_flow_scope_declare(flow, &in_out_mask);
@@ -367,7 +367,7 @@ build_int32_vec_const(int value)
    i32_type.norm = FALSE;     /* values are not normalized */
    i32_type.width = 32;       /* 32-bit int values */
    i32_type.length = 4;       /* 4 elements per vector */
-   return lp_build_int_const_scalar(i32_type, value);
+   return lp_build_const_int_vec(i32_type, value);
 }
 
 
diff --git a/src/gallium/drivers/llvmpipe/lp_test.h b/src/gallium/drivers/llvmpipe/lp_test.h
index 1df9897898..338a04a487 100644
--- a/src/gallium/drivers/llvmpipe/lp_test.h
+++ b/src/gallium/drivers/llvmpipe/lp_test.h
@@ -41,7 +41,7 @@
 #include <stdio.h>
 #include <float.h>
 
-#include "os/os_llvm.h"
+#include "gallivm/lp_bld.h"
 #include <llvm-c/Analysis.h>
 #include <llvm-c/ExecutionEngine.h>
 #include <llvm-c/Target.h>
diff --git a/src/gallium/drivers/llvmpipe/lp_test_format.c b/src/gallium/drivers/llvmpipe/lp_test_format.c
index 2c4d7fb6e1..fb595893bd 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_format.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_format.c
@@ -29,7 +29,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#include "os/os_llvm.h"
+#include "gallivm/lp_bld.h"
 #include <llvm-c/Analysis.h>
 #include <llvm-c/ExecutionEngine.h>
 #include <llvm-c/Target.h>
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.h b/src/gallium/drivers/llvmpipe/lp_tex_sample.h
index 799df182b6..1228a831f3 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.h
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.h
@@ -29,7 +29,7 @@
 #define LP_TEX_SAMPLE_H
 
 
-#include "os/os_llvm.h"
+#include "gallivm/lp_bld.h"
 
 
 struct lp_sampler_static_state;
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 9a85a42897..93ad789c35 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -103,6 +103,7 @@ llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen,
    unsigned height = align(lpt->base.height0, TILE_SIZE);
 
    lpt->dt = winsys->displaytarget_create(winsys,
+                                          lpt->base.tex_usage,
                                           lpt->base.format,
                                           width, height,
                                           16,
@@ -250,6 +251,51 @@ llvmpipe_texture_unmap(struct pipe_texture *texture,
 }
 
 
+static struct pipe_texture *
+llvmpipe_texture_from_handle(struct pipe_screen *screen,
+                             const struct pipe_texture *template,
+                             struct winsys_handle *whandle)
+{
+   struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
+   struct llvmpipe_texture *lpt = CALLOC_STRUCT(llvmpipe_texture);
+   if (!lpt)
+      return NULL;
+
+   lpt->base = *template;
+   pipe_reference_init(&lpt->base.reference, 1);
+   lpt->base.screen = screen;
+
+   lpt->dt = winsys->displaytarget_from_handle(winsys,
+                                               template,
+                                               whandle,
+                                               &lpt->stride[0]);
+   if (!lpt->dt)
+      goto fail;
+
+   return &lpt->base;
+
+ fail:
+   FREE(lpt);
+   return NULL;
+}
+
+
+static boolean
+llvmpipe_texture_get_handle(struct pipe_screen *screen,
+                            struct pipe_texture *pt,
+                            struct winsys_handle *whandle)
+{
+   struct sw_winsys *winsys = llvmpipe_screen(screen)->winsys;
+   struct llvmpipe_texture *lpt = llvmpipe_texture(pt);
+
+   assert(lpt->dt);
+   if (!lpt->dt)
+      return FALSE;
+
+   return winsys->displaytarget_get_handle(winsys, lpt->dt, whandle);
+}
+
+
 static struct pipe_surface *
 llvmpipe_get_tex_surface(struct pipe_screen *screen,
                          struct pipe_texture *pt,
@@ -418,6 +464,7 @@ llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen)
 {
    screen->texture_create = llvmpipe_texture_create;
    screen->texture_destroy = llvmpipe_texture_destroy;
+   screen->texture_get_handle = llvmpipe_texture_get_handle;
 
    screen->get_tex_surface = llvmpipe_get_tex_surface;
    screen->tex_surface_destroy = llvmpipe_tex_surface_destroy;
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index d62bfa3d63..757dc86128 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -173,8 +173,10 @@ softpipe_is_format_supported( struct pipe_screen *screen,
       break;
    }
 
-   if(tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
-      if(!winsys->is_displaytarget_format_supported(winsys, format))
+   if(tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+                   PIPE_TEXTURE_USAGE_SCANOUT |
+                   PIPE_TEXTURE_USAGE_SHARED)) {
+      if(!winsys->is_displaytarget_format_supported(winsys, tex_usage, format))
          return FALSE;
    }
 
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 2aff6118f4..f4983b7c8e 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -91,6 +91,7 @@ softpipe_displaytarget_layout(struct pipe_screen *screen,
    /* Round up the surface size to a multiple of the tile size?
     */
    spt->dt = winsys->displaytarget_create(winsys,
+                                          spt->base.tex_usage,
                                           spt->base.format,
                                           spt->base.width0, 
                                           spt->base.height0,
@@ -139,8 +140,6 @@ softpipe_texture_create(struct pipe_screen *screen,
 }
 
 
-
-
 static void
 softpipe_texture_destroy(struct pipe_texture *pt)
 {
@@ -161,6 +160,55 @@ softpipe_texture_destroy(struct pipe_texture *pt)
 }
 
 
+static struct pipe_texture *
+softpipe_texture_from_handle(struct pipe_screen *screen,
+                             const struct pipe_texture *template,
+                             struct winsys_handle *whandle)
+{
+   struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
+   struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture);
+   if (!spt)
+      return NULL;
+
+   spt->base = *template;
+   pipe_reference_init(&spt->base.reference, 1);
+   spt->base.screen = screen;
+
+   spt->pot = (util_is_power_of_two(template->width0) &&
+               util_is_power_of_two(template->height0) &&
+               util_is_power_of_two(template->depth0));
+
+   spt->dt = winsys->displaytarget_from_handle(winsys,
+                                               template,
+                                               whandle,
+                                               &spt->stride[0]);
+   if (!spt->dt)
+      goto fail;
+
+   return &spt->base;
+
+ fail:
+   FREE(spt);
+   return NULL;
+}
+
+
+static boolean
+softpipe_texture_get_handle(struct pipe_screen *screen,
+                            struct pipe_texture *pt,
+                            struct winsys_handle *whandle)
+{
+   struct sw_winsys *winsys = softpipe_screen(screen)->winsys;
+   struct softpipe_texture *spt = softpipe_texture(pt);
+
+   assert(spt->dt);
+   if (!spt->dt)
+      return FALSE;
+
+   return winsys->displaytarget_get_handle(winsys, spt->dt, whandle);
+}
+
+
 /**
  * Get a pipe_surface "view" into a texture.
  */
@@ -461,6 +509,8 @@ softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
 {
    screen->texture_create = softpipe_texture_create;
    screen->texture_destroy = softpipe_texture_destroy;
+   screen->texture_from_handle = softpipe_texture_from_handle;
+   screen->texture_get_handle = softpipe_texture_get_handle;
 
    screen->get_tex_surface = softpipe_get_tex_surface;
    screen->tex_surface_destroy = softpipe_tex_surface_destroy;