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-rw-r--r--src/gallium/drivers/llvmpipe/README36
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_depth.c2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_jit.c3
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c58
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c29
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_vs.c1
6 files changed, 97 insertions, 32 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README
index 89d08834a3c..0c3f00fd58f 100644
--- a/src/gallium/drivers/llvmpipe/README
+++ b/src/gallium/drivers/llvmpipe/README
@@ -51,21 +51,22 @@ Requirements
- Linux
- - udis86, http://udis86.sourceforge.net/ . Use my repository, which decodes
- opcodes not yet supported by upstream.
+ - A x86 or amd64 processor. 64bit mode is preferred.
- git clone git://people.freedesktop.org/~jrfonseca/udis86
- cd udis86
- ./configure --with-pic
- make
- sudo make install
+ Support for sse2 is strongly encouraged. Support for ssse3, and sse4.1 will
+ yield the most efficient code. The less features the CPU has the more
+ likely is that you ran into underperforming, buggy, or incomplete code.
+
+ See /proc/cpuinfo to know what your CPU supports.
+
+ - LLVM 2.5 or greater. LLVM 2.6 is preferred.
- - LLVM 2.5. On Debian based distributions do:
+ On Debian based distributions do:
aptitude install llvm-dev
- There is a typo in one of the llvm-dev 2.5 headers, that causes compilation
- errors in the debug build:
+ There is a typo in one of the llvm 2.5 headers, that may cause compilation
+ errors. To fix it apply the change:
--- /usr/include/llvm-c/Core.h.orig 2009-08-10 15:38:54.000000000 +0100
+++ /usr/include/llvm-c/Core.h 2009-08-10 15:38:25.000000000 +0100
@@ -79,12 +80,17 @@ Requirements
#endif
return reinterpret_cast<T**>(Vals);
- - A x86 or amd64 processor with support for sse2, sse3, and sse4.1 SIMD
- instructions. This is necessary because we emit several SSE intrinsics for
- convenience. See /proc/cpuinfo to know what your CPU supports.
-
- - scons
+ - scons (optional)
+ - udis86, http://udis86.sourceforge.net/ (optional):
+
+ git clone git://udis86.git.sourceforge.net/gitroot/udis86/udis86
+ cd udis86
+ ./autogen.sh
+ ./configure --with-pic
+ make
+ sudo make install
+
Building
========
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.c b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
index 98ec1cb1b9d..d438c0e63d7 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_depth.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
@@ -90,7 +90,7 @@ lp_depth_type(const struct util_format_description *format_desc,
if(format_desc->channel[swizzle].type == UTIL_FORMAT_TYPE_FLOAT) {
type.floating = TRUE;
- assert(swizzle = 0);
+ assert(swizzle == 0);
assert(format_desc->channel[swizzle].size == format_desc->block.bits);
}
else if(format_desc->channel[swizzle].type == UTIL_FORMAT_TYPE_UNSIGNED) {
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index 13535dd638e..bce3baec164 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -154,6 +154,7 @@ lp_jit_screen_init(struct llvmpipe_screen *screen)
#if 0
/* For simulating less capable machines */
util_cpu_caps.has_sse3 = 0;
+ util_cpu_caps.has_ssse3 = 0;
util_cpu_caps.has_sse4_1 = 0;
#endif
@@ -167,7 +168,7 @@ lp_jit_screen_init(struct llvmpipe_screen *screen)
if (LLVMCreateJITCompiler(&screen->engine, screen->provider, 1, &error)) {
_debug_printf("%s\n", error);
LLVMDisposeMessage(error);
- abort();
+ assert(0);
}
screen->target = LLVMGetExecutionEngineTargetData(screen->engine);
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 05189274589..0fb133486aa 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -27,6 +27,7 @@
#include "util/u_memory.h"
+#include "util/u_format.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
@@ -131,17 +132,17 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
{
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
struct llvmpipe_winsys *winsys = screen->winsys;
+ const struct util_format_description *format_desc;
+
+ format_desc = util_format_description(format);
+ if(!format_desc)
+ return FALSE;
assert(target == PIPE_TEXTURE_1D ||
target == PIPE_TEXTURE_2D ||
target == PIPE_TEXTURE_3D ||
target == PIPE_TEXTURE_CUBE);
- if(format == PIPE_FORMAT_Z16_UNORM)
- return FALSE;
- if(format == PIPE_FORMAT_S8_UNORM)
- return FALSE;
-
switch(format) {
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
@@ -152,8 +153,51 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
break;
}
- if(tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET)
- return winsys->is_displaytarget_format_supported(winsys, format);
+ if(tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
+ if(format_desc->block.width != 1 ||
+ format_desc->block.height != 1)
+ return FALSE;
+
+ if(format_desc->layout != UTIL_FORMAT_LAYOUT_SCALAR &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARITH &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARRAY)
+ return FALSE;
+
+ if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB &&
+ format_desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB)
+ return FALSE;
+ }
+
+ if(tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
+ if(!winsys->is_displaytarget_format_supported(winsys, format))
+ return FALSE;
+ }
+
+ if(tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
+ if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+ return FALSE;
+
+ /* FIXME: Temporary restriction. See lp_state_fs.c. */
+ if(format_desc->block.bits != 32)
+ return FALSE;
+ }
+
+ /* FIXME: Temporary restrictions. See lp_bld_sample_soa.c */
+ if(tex_usage & PIPE_TEXTURE_USAGE_SAMPLER) {
+ if(format_desc->block.width != 1 ||
+ format_desc->block.height != 1)
+ return FALSE;
+
+ if(format_desc->layout != UTIL_FORMAT_LAYOUT_SCALAR &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARITH &&
+ format_desc->layout != UTIL_FORMAT_LAYOUT_ARRAY)
+ return FALSE;
+
+ if(format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB &&
+ format_desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB &&
+ format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
+ return FALSE;
+ }
return TRUE;
}
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 2e9aa9fffe3..ee0f69b2af9 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -148,6 +148,20 @@ generate_depth(LLVMBuilderRef builder,
format_desc = util_format_description(key->zsbuf_format);
assert(format_desc);
+ /*
+ * Depths are expected to be between 0 and 1, even if they are stored in
+ * floats. Setting these bits here will ensure that the lp_build_conv() call
+ * below won't try to unnecessarily clamp the incoming values.
+ */
+ if(src_type.floating) {
+ src_type.sign = FALSE;
+ src_type.norm = TRUE;
+ }
+ else {
+ assert(!src_type.sign);
+ assert(src_type.norm);
+ }
+
/* Pick the depth type. */
dst_type = lp_depth_type(format_desc, src_type.width*src_type.length);
@@ -155,14 +169,11 @@ generate_depth(LLVMBuilderRef builder,
assert(dst_type.width == src_type.width);
assert(dst_type.length == src_type.length);
-#if 1
- src = lp_build_clamped_float_to_unsigned_norm(builder,
- src_type,
- dst_type.width,
- src);
-#else
lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1);
-#endif
+
+ dst_ptr = LLVMBuildBitCast(builder,
+ dst_ptr,
+ LLVMPointerType(lp_build_vec_type(dst_type), 0), "");
lp_build_depth_test(builder,
&key->depth,
@@ -611,10 +622,12 @@ generate_fragment(struct llvmpipe_context *lp,
* Translate the LLVM IR into machine code.
*/
+#ifdef DEBUG
if(LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) {
LLVMDumpValue(variant->function);
- abort();
+ assert(0);
}
+#endif
LLVMRunFunctionPassManager(screen->pass, variant->function);
diff --git a/src/gallium/drivers/llvmpipe/lp_state_vs.c b/src/gallium/drivers/llvmpipe/lp_state_vs.c
index 15c30296144..8a761648e7e 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_vs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_vs.c
@@ -92,5 +92,6 @@ llvmpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
(struct lp_vertex_shader *)vs;
draw_delete_vertex_shader(llvmpipe->draw, state->draw_data);
+ FREE( (void *)state->shader.tokens );
FREE( state );
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 07:48:35 +0000