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-rw-r--r--src/gallium/drivers/llvmpipe/README19
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c6
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.h2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state.h2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c4
-rw-r--r--src/gallium/drivers/llvmpipe/lp_test.h2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_test_format.c2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tex_sample.h2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c47
9 files changed, 71 insertions, 15 deletions
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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-04 09:37:37 +0000