diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe')
-rw-r--r-- | src/gallium/drivers/llvmpipe/README | 32 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_depth.c | 2 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_jit.c | 2 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_screen.c | 58 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 29 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_vs.c | 1 |
6 files changed, 92 insertions, 32 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README index 89d08834a3..478e0139c8 100644 --- a/src/gallium/drivers/llvmpipe/README +++ b/src/gallium/drivers/llvmpipe/README @@ -51,21 +51,18 @@ Requirements - Linux - - udis86, http://udis86.sourceforge.net/ . Use my repository, which decodes - opcodes not yet supported by upstream. + - 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. - git clone git://people.freedesktop.org/~jrfonseca/udis86 - cd udis86 - ./configure --with-pic - make - sudo make install + - 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 +76,17 @@ 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 98ec1cb1b9..d438c0e63d 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 13535dd638..c601c79480 100644 --- a/src/gallium/drivers/llvmpipe/lp_jit.c +++ b/src/gallium/drivers/llvmpipe/lp_jit.c @@ -167,7 +167,7 @@ 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 0518927458..0fb133486a 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 2e9aa9fffe..ee0f69b2af 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 15c3029614..8a761648e7 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 ); } |