i965g: fix some reloc counts

[mesa.git] / src / gallium / drivers / llvmpipe / lp_jit.c

diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index c3ba03a5a18d0d98ad70c8f84f17fba95fc2f403..1126bf90b96b03e9a0d770f04753b481ccda2dc6 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -35,10 +35,103 @@
 
 #include <llvm-c/Transforms/Scalar.h>
 
+#include "util/u_memory.h"
+#include "util/u_cpu_detect.h"
 #include "lp_screen.h"
+#include "lp_bld_intr.h"
 #include "lp_jit.h"
 
 
+static void
+lp_jit_init_globals(struct llvmpipe_screen *screen)
+{
+   LLVMTypeRef texture_type;
+
+   /* struct lp_jit_texture */
+   {
+      LLVMTypeRef elem_types[4];
+
+      elem_types[LP_JIT_TEXTURE_WIDTH]  = LLVMInt32Type();
+      elem_types[LP_JIT_TEXTURE_HEIGHT] = LLVMInt32Type();
+      elem_types[LP_JIT_TEXTURE_STRIDE] = LLVMInt32Type();
+      elem_types[LP_JIT_TEXTURE_DATA]   = LLVMPointerType(LLVMInt8Type(), 0);
+
+      texture_type = LLVMStructType(elem_types, Elements(elem_types), 0);
+
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
+                             screen->target, texture_type,
+                             LP_JIT_TEXTURE_WIDTH);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
+                             screen->target, texture_type,
+                             LP_JIT_TEXTURE_HEIGHT);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, stride,
+                             screen->target, texture_type,
+                             LP_JIT_TEXTURE_STRIDE);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, data,
+                             screen->target, texture_type,
+                             LP_JIT_TEXTURE_DATA);
+      LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
+                           screen->target, texture_type);
+
+      LLVMAddTypeName(screen->module, "texture", texture_type);
+   }
+
+   /* struct lp_jit_context */
+   {
+      LLVMTypeRef elem_types[5];
+      LLVMTypeRef context_type;
+
+      elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* constants */
+      elem_types[1] = LLVMPointerType(LLVMInt8Type(), 0);  /* samplers */
+      elem_types[2] = LLVMFloatType();                     /* alpha_ref_value */
+      elem_types[3] = LLVMPointerType(LLVMInt8Type(), 0);  /* blend_color */
+      elem_types[4] = LLVMArrayType(texture_type, PIPE_MAX_SAMPLERS); /* textures */
+
+      context_type = LLVMStructType(elem_types, Elements(elem_types), 0);
+
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, constants,
+                             screen->target, context_type, 0);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, samplers,
+                             screen->target, context_type, 1);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, alpha_ref_value,
+                             screen->target, context_type, 2);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, blend_color,
+                             screen->target, context_type, 3);
+      LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
+                             screen->target, context_type,
+                             LP_JIT_CONTEXT_TEXTURES_INDEX);
+      LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
+                           screen->target, context_type);
+
+      LLVMAddTypeName(screen->module, "context", context_type);
+
+      screen->context_ptr_type = LLVMPointerType(context_type, 0);
+   }
+
+   /* fetch_texel
+    */
+   {
+      LLVMTypeRef ret_type;
+      LLVMTypeRef arg_types[3];
+      LLVMValueRef fetch_texel;
+
+      ret_type = LLVMVoidType();
+      arg_types[0] = LLVMPointerType(LLVMInt8Type(), 0);  /* samplers */
+      arg_types[1] = LLVMInt32Type();                     /* unit */
+      arg_types[2] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0); /* store */
+
+      fetch_texel = lp_declare_intrinsic(screen->module, "fetch_texel",
+                                         ret_type, arg_types, Elements(arg_types));
+
+      LLVMAddGlobalMapping(screen->engine, fetch_texel, lp_fetch_texel_soa);
+   }
+
+#ifdef DEBUG
+   LLVMDumpModule(screen->module);
+#endif
+}
+
+
 void
 lp_jit_screen_cleanup(struct llvmpipe_screen *screen)
 {
@@ -55,23 +148,47 @@ lp_jit_screen_init(struct llvmpipe_screen *screen)
 {
    char *error = NULL;
 
+   util_cpu_detect();
+
+#if 0
+   /* For simulating less capable machines */
+   util_cpu_caps.has_sse3 = 0;
+   util_cpu_caps.has_sse4_1 = 0;
+#endif
+
+#ifdef LLVM_NATIVE_ARCH
+   LLVMLinkInJIT();
+   LLVMInitializeNativeTarget();
+#endif
+
    screen->module = LLVMModuleCreateWithName("llvmpipe");
 
    screen->provider = LLVMCreateModuleProviderForExistingModule(screen->module);
 
    if (LLVMCreateJITCompiler(&screen->engine, screen->provider, 1, &error)) {
-      fprintf(stderr, "%s\n", error);
+      _debug_printf("%s\n", error);
       LLVMDisposeMessage(error);
       abort();
    }
 
+   screen->target = LLVMGetExecutionEngineTargetData(screen->engine);
+
    screen->pass = LLVMCreateFunctionPassManager(screen->provider);
-   LLVMAddTargetData(LLVMGetExecutionEngineTargetData(screen->engine), screen->pass);
+   LLVMAddTargetData(screen->target, screen->pass);
    /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
     * but there are more on SVN. */
+   /* TODO: Add more passes */
    LLVMAddConstantPropagationPass(screen->pass);
-   LLVMAddInstructionCombiningPass(screen->pass);
+   if(util_cpu_caps.has_sse4_1) {
+      /* FIXME: There is a bug in this pass, whereby the combination of fptosi
+       * and sitofp (necessary for trunc/floor/ceil/round implementation)
+       * somehow becomes invalid code.
+       */
+      LLVMAddInstructionCombiningPass(screen->pass);
+   }
    LLVMAddPromoteMemoryToRegisterPass(screen->pass);
    LLVMAddGVNPass(screen->pass);
    LLVMAddCFGSimplificationPass(screen->pass);
+
+   lp_jit_init_globals(screen);
 }