#include "draw_vs.h"
#include "gallivm/lp_bld_arit.h"
+#include "gallivm/lp_bld_logic.h"
+#include "gallivm/lp_bld_const.h"
+#include "gallivm/lp_bld_swizzle.h"
#include "gallivm/lp_bld_struct.h"
#include "gallivm/lp_bld_type.h"
#include "gallivm/lp_bld_flow.h"
#include "gallivm/lp_bld_printf.h"
#include "gallivm/lp_bld_intr.h"
#include "gallivm/lp_bld_init.h"
+#include "gallivm/lp_bld_type.h"
#include "tgsi/tgsi_exec.h"
#include "tgsi/tgsi_dump.h"
-#include "util/u_cpu_detect.h"
+#include "util/u_math.h"
#include "util/u_pointer.h"
#include "util/u_string.h"
+#include "util/u_simple_list.h"
-#include <llvm-c/Transforms/Scalar.h>
#define DEBUG_STORE 0
-/* generates the draw jit function */
-static void
-draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var);
+
+/**
+ * This function is called by the gallivm "garbage collector" when
+ * the LLVM global data structures are freed. We must free all LLVM-related
+ * data. Specifically, all JIT'd shader variants.
+ */
static void
-draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *var);
+draw_llvm_garbage_collect_callback(void *cb_data)
+{
+ struct draw_llvm *llvm = (struct draw_llvm *) cb_data;
+ struct draw_context *draw = llvm->draw;
+ struct draw_llvm_variant_list_item *li;
+
+ /* Ensure prepare will be run and shaders recompiled */
+ assert(!draw->suspend_flushing);
+ draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
+
+ /* free all shader variants */
+ li = first_elem(&llvm->vs_variants_list);
+ while (!at_end(&llvm->vs_variants_list, li)) {
+ struct draw_llvm_variant_list_item *next = next_elem(li);
+ draw_llvm_destroy_variant(li->base);
+ li = next;
+ }
+
+ /* Null-out these pointers so they get remade next time they're needed.
+ * See the accessor functions below.
+ */
+ llvm->context_ptr_type = NULL;
+ llvm->buffer_ptr_type = NULL;
+ llvm->vb_ptr_type = NULL;
+ llvm->vertex_header_ptr_type = NULL;
+}
+
static void
-init_globals(struct draw_llvm *llvm)
+draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var,
+ boolean elts);
+
+
+/**
+ * Create LLVM type for struct draw_jit_texture
+ */
+static LLVMTypeRef
+create_jit_texture_type(struct gallivm_state *gallivm, const char *struct_name)
{
+ LLVMTargetDataRef target = gallivm->target;
LLVMTypeRef texture_type;
+ LLVMTypeRef elem_types[DRAW_JIT_TEXTURE_NUM_FIELDS];
+ LLVMTypeRef int32_type = LLVMInt32TypeInContext(gallivm->context);
+
+ elem_types[DRAW_JIT_TEXTURE_WIDTH] =
+ elem_types[DRAW_JIT_TEXTURE_HEIGHT] =
+ elem_types[DRAW_JIT_TEXTURE_DEPTH] =
+ elem_types[DRAW_JIT_TEXTURE_FIRST_LEVEL] =
+ elem_types[DRAW_JIT_TEXTURE_LAST_LEVEL] = int32_type;
+ elem_types[DRAW_JIT_TEXTURE_ROW_STRIDE] =
+ elem_types[DRAW_JIT_TEXTURE_IMG_STRIDE] =
+ LLVMArrayType(int32_type, PIPE_MAX_TEXTURE_LEVELS);
+ elem_types[DRAW_JIT_TEXTURE_DATA] =
+ LLVMArrayType(LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0),
+ PIPE_MAX_TEXTURE_LEVELS);
+ elem_types[DRAW_JIT_TEXTURE_MIN_LOD] =
+ elem_types[DRAW_JIT_TEXTURE_MAX_LOD] =
+ elem_types[DRAW_JIT_TEXTURE_LOD_BIAS] = LLVMFloatTypeInContext(gallivm->context);
+ elem_types[DRAW_JIT_TEXTURE_BORDER_COLOR] =
+ LLVMArrayType(LLVMFloatTypeInContext(gallivm->context), 4);
+
+ texture_type = LLVMStructTypeInContext(gallivm->context, elem_types,
+ Elements(elem_types), 0);
+
+#if HAVE_LLVM < 0x0300
+ LLVMAddTypeName(gallivm->module, struct_name, texture_type);
+
+ /* Make sure the target's struct layout cache doesn't return
+ * stale/invalid data.
+ */
+ LLVMInvalidateStructLayout(gallivm->target, texture_type);
+#endif
- /* struct draw_jit_texture */
- {
- LLVMTypeRef elem_types[DRAW_JIT_TEXTURE_NUM_FIELDS];
-
- elem_types[DRAW_JIT_TEXTURE_WIDTH] = LLVMInt32Type();
- elem_types[DRAW_JIT_TEXTURE_HEIGHT] = LLVMInt32Type();
- elem_types[DRAW_JIT_TEXTURE_DEPTH] = LLVMInt32Type();
- elem_types[DRAW_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type();
- elem_types[DRAW_JIT_TEXTURE_ROW_STRIDE] =
- LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS);
- elem_types[DRAW_JIT_TEXTURE_IMG_STRIDE] =
- LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS);
- elem_types[DRAW_JIT_TEXTURE_DATA] =
- LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0),
- DRAW_MAX_TEXTURE_LEVELS);
-
- texture_type = LLVMStructType(elem_types, Elements(elem_types), 0);
-
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, width,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_WIDTH);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, height,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_HEIGHT);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, depth,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_DEPTH);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, last_level,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_LAST_LEVEL);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, row_stride,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_ROW_STRIDE);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, img_stride,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_IMG_STRIDE);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, data,
- llvm->target, texture_type,
- DRAW_JIT_TEXTURE_DATA);
- LP_CHECK_STRUCT_SIZE(struct draw_jit_texture,
- llvm->target, texture_type);
-
- LLVMAddTypeName(llvm->module, "texture", texture_type);
- }
-
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, width,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_WIDTH);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, height,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_HEIGHT);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, depth,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_DEPTH);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, first_level,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_FIRST_LEVEL);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, last_level,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_LAST_LEVEL);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, row_stride,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_ROW_STRIDE);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, img_stride,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_IMG_STRIDE);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, data,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_DATA);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, min_lod,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_MIN_LOD);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, max_lod,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_MAX_LOD);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, lod_bias,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_LOD_BIAS);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, border_color,
+ target, texture_type,
+ DRAW_JIT_TEXTURE_BORDER_COLOR);
+
+ LP_CHECK_STRUCT_SIZE(struct draw_jit_texture, target, texture_type);
+
+ return texture_type;
+}
- /* struct draw_jit_context */
- {
- LLVMTypeRef elem_types[3];
- LLVMTypeRef context_type;
- elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */
- elem_types[1] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */
- elem_types[2] = LLVMArrayType(texture_type,
- PIPE_MAX_VERTEX_SAMPLERS); /* textures */
+/**
+ * Create LLVM type for struct draw_jit_texture
+ */
+static LLVMTypeRef
+create_jit_context_type(struct gallivm_state *gallivm,
+ LLVMTypeRef texture_type, const char *struct_name)
+{
+ LLVMTargetDataRef target = gallivm->target;
+ LLVMTypeRef float_type = LLVMFloatTypeInContext(gallivm->context);
+ LLVMTypeRef elem_types[5];
+ LLVMTypeRef context_type;
+
+ elem_types[0] = LLVMPointerType(float_type, 0); /* vs_constants */
+ elem_types[1] = LLVMPointerType(float_type, 0); /* gs_constants */
+ elem_types[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(float_type, 4),
+ DRAW_TOTAL_CLIP_PLANES), 0);
+ elem_types[3] = LLVMPointerType(float_type, 0); /* viewport */
+ elem_types[4] = LLVMArrayType(texture_type,
+ PIPE_MAX_VERTEX_SAMPLERS); /* textures */
+ context_type = LLVMStructTypeInContext(gallivm->context, elem_types,
+ Elements(elem_types), 0);
+#if HAVE_LLVM < 0x0300
+ LLVMAddTypeName(gallivm->module, struct_name, context_type);
+
+ LLVMInvalidateStructLayout(gallivm->target, context_type);
+#endif
- context_type = LLVMStructType(elem_types, Elements(elem_types), 0);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, vs_constants,
+ target, context_type, 0);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, gs_constants,
+ target, context_type, 1);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, planes,
+ target, context_type, 2);
+ LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures,
+ target, context_type,
+ DRAW_JIT_CTX_TEXTURES);
+ LP_CHECK_STRUCT_SIZE(struct draw_jit_context,
+ target, context_type);
+
+ return context_type;
+}
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, vs_constants,
- llvm->target, context_type, 0);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, gs_constants,
- llvm->target, context_type, 1);
- LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures,
- llvm->target, context_type,
- DRAW_JIT_CTX_TEXTURES);
- LP_CHECK_STRUCT_SIZE(struct draw_jit_context,
- llvm->target, context_type);
- LLVMAddTypeName(llvm->module, "draw_jit_context", context_type);
+/**
+ * Create LLVM type for struct pipe_vertex_buffer
+ */
+static LLVMTypeRef
+create_jit_vertex_buffer_type(struct gallivm_state *gallivm, const char *struct_name)
+{
+ LLVMTargetDataRef target = gallivm->target;
+ LLVMTypeRef elem_types[4];
+ LLVMTypeRef vb_type;
- llvm->context_ptr_type = LLVMPointerType(context_type, 0);
- }
- {
- LLVMTypeRef buffer_ptr = LLVMPointerType(LLVMIntType(8), 0);
- llvm->buffer_ptr_type = LLVMPointerType(buffer_ptr, 0);
- }
- /* struct pipe_vertex_buffer */
- {
- LLVMTypeRef elem_types[4];
- LLVMTypeRef vb_type;
+ elem_types[0] =
+ elem_types[1] = LLVMInt32TypeInContext(gallivm->context);
+ elem_types[2] =
+ elem_types[3] = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0); /* vs_constants */
- elem_types[0] = LLVMInt32Type();
- elem_types[1] = LLVMInt32Type();
- elem_types[2] = LLVMInt32Type();
- elem_types[3] = LLVMPointerType(LLVMOpaqueType(), 0); /* vs_constants */
+ vb_type = LLVMStructTypeInContext(gallivm->context, elem_types,
+ Elements(elem_types), 0);
+#if HAVE_LLVM < 0x0300
+ LLVMAddTypeName(gallivm->module, struct_name, vb_type);
- vb_type = LLVMStructType(elem_types, Elements(elem_types), 0);
+ LLVMInvalidateStructLayout(gallivm->target, vb_type);
+#endif
- LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, stride,
- llvm->target, vb_type, 0);
- LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, buffer_offset,
- llvm->target, vb_type, 2);
- LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer,
- llvm->target, vb_type);
+ LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, stride,
+ target, vb_type, 0);
+ LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, buffer_offset,
+ target, vb_type, 1);
- LLVMAddTypeName(llvm->module, "pipe_vertex_buffer", vb_type);
+ LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer, target, vb_type);
- llvm->vb_ptr_type = LLVMPointerType(vb_type, 0);
- }
+ return vb_type;
}
+
+/**
+ * Create LLVM type for struct vertex_header;
+ */
static LLVMTypeRef
-create_vertex_header(struct draw_llvm *llvm, int data_elems)
+create_jit_vertex_header(struct gallivm_state *gallivm, int data_elems)
{
- /* struct vertex_header */
- LLVMTypeRef elem_types[3];
+ LLVMTargetDataRef target = gallivm->target;
+ LLVMTypeRef elem_types[4];
LLVMTypeRef vertex_header;
char struct_name[24];
util_snprintf(struct_name, 23, "vertex_header%d", data_elems);
- elem_types[0] = LLVMIntType(32);
- elem_types[1] = LLVMArrayType(LLVMFloatType(), 4);
- elem_types[2] = LLVMArrayType(elem_types[1], data_elems);
+ elem_types[DRAW_JIT_VERTEX_VERTEX_ID] = LLVMIntTypeInContext(gallivm->context, 32);
+ elem_types[DRAW_JIT_VERTEX_CLIP] = LLVMArrayType(LLVMFloatTypeInContext(gallivm->context), 4);
+ elem_types[DRAW_JIT_VERTEX_PRE_CLIP_POS] = LLVMArrayType(LLVMFloatTypeInContext(gallivm->context), 4);
+ elem_types[DRAW_JIT_VERTEX_DATA] = LLVMArrayType(elem_types[1], data_elems);
- vertex_header = LLVMStructType(elem_types, Elements(elem_types), 0);
+ vertex_header = LLVMStructTypeInContext(gallivm->context, elem_types,
+ Elements(elem_types), 0);
+#if HAVE_LLVM < 0x0300
+ LLVMAddTypeName(gallivm->module, struct_name, vertex_header);
+
+ LLVMInvalidateStructLayout(gallivm->target, vertex_header);
+#endif
/* these are bit-fields and we can't take address of them
LP_CHECK_MEMBER_OFFSET(struct vertex_header, clipmask,
- llvm->target, vertex_header,
+ target, vertex_header,
DRAW_JIT_VERTEX_CLIPMASK);
LP_CHECK_MEMBER_OFFSET(struct vertex_header, edgeflag,
- llvm->target, vertex_header,
+ target, vertex_header,
DRAW_JIT_VERTEX_EDGEFLAG);
LP_CHECK_MEMBER_OFFSET(struct vertex_header, pad,
- llvm->target, vertex_header,
+ target, vertex_header,
DRAW_JIT_VERTEX_PAD);
LP_CHECK_MEMBER_OFFSET(struct vertex_header, vertex_id,
- llvm->target, vertex_header,
+ target, vertex_header,
DRAW_JIT_VERTEX_VERTEX_ID);
*/
LP_CHECK_MEMBER_OFFSET(struct vertex_header, clip,
- llvm->target, vertex_header,
+ target, vertex_header,
DRAW_JIT_VERTEX_CLIP);
+ LP_CHECK_MEMBER_OFFSET(struct vertex_header, pre_clip_pos,
+ target, vertex_header,
+ DRAW_JIT_VERTEX_PRE_CLIP_POS);
LP_CHECK_MEMBER_OFFSET(struct vertex_header, data,
- llvm->target, vertex_header,
+ target, vertex_header,
DRAW_JIT_VERTEX_DATA);
- LLVMAddTypeName(llvm->module, struct_name, vertex_header);
+ assert(LLVMABISizeOfType(target, vertex_header) ==
+ offsetof(struct vertex_header, data[data_elems]));
- return LLVMPointerType(vertex_header, 0);
+ return vertex_header;
}
-struct draw_llvm *
-draw_llvm_create(struct draw_context *draw)
+
+/**
+ * Create LLVM types for various structures.
+ */
+static void
+create_jit_types(struct draw_llvm *llvm)
{
- struct draw_llvm *llvm;
+ struct gallivm_state *gallivm = llvm->gallivm;
+ LLVMTypeRef texture_type, context_type, buffer_type, vb_type;
- llvm = CALLOC_STRUCT( draw_llvm );
- if (!llvm)
- return NULL;
+ texture_type = create_jit_texture_type(gallivm, "texture");
- llvm->draw = draw;
- llvm->engine = draw->engine;
+ context_type = create_jit_context_type(gallivm, texture_type, "draw_jit_context");
+ llvm->context_ptr_type = LLVMPointerType(context_type, 0);
- debug_assert(llvm->engine);
+ buffer_type = LLVMPointerType(LLVMIntTypeInContext(gallivm->context, 8), 0);
+ llvm->buffer_ptr_type = LLVMPointerType(buffer_type, 0);
- llvm->module = LLVMModuleCreateWithName("draw_llvm");
- llvm->provider = LLVMCreateModuleProviderForExistingModule(llvm->module);
+ vb_type = create_jit_vertex_buffer_type(gallivm, "pipe_vertex_buffer");
+ llvm->vb_ptr_type = LLVMPointerType(vb_type, 0);
+}
- LLVMAddModuleProvider(llvm->engine, llvm->provider);
- llvm->target = LLVMGetExecutionEngineTargetData(llvm->engine);
+static LLVMTypeRef
+get_context_ptr_type(struct draw_llvm *llvm)
+{
+ if (!llvm->context_ptr_type)
+ create_jit_types(llvm);
+ return llvm->context_ptr_type;
+}
- llvm->pass = LLVMCreateFunctionPassManager(llvm->provider);
- LLVMAddTargetData(llvm->target, llvm->pass);
- if ((gallivm_debug & GALLIVM_DEBUG_NO_OPT) == 0) {
- /* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
- * but there are more on SVN. */
- /* TODO: Add more passes */
+static LLVMTypeRef
+get_buffer_ptr_type(struct draw_llvm *llvm)
+{
+ if (!llvm->buffer_ptr_type)
+ create_jit_types(llvm);
+ return llvm->buffer_ptr_type;
+}
- LLVMAddCFGSimplificationPass(llvm->pass);
- if (HAVE_LLVM >= 0x207 && sizeof(void*) == 4) {
- /* For LLVM >= 2.7 and 32-bit build, use this order of passes to
- * avoid generating bad code.
- * Test with piglit glsl-vs-sqrt-zero test.
- */
- LLVMAddConstantPropagationPass(llvm->pass);
- LLVMAddPromoteMemoryToRegisterPass(llvm->pass);
- }
- else {
- LLVMAddPromoteMemoryToRegisterPass(llvm->pass);
- LLVMAddConstantPropagationPass(llvm->pass);
- }
+static LLVMTypeRef
+get_vb_ptr_type(struct draw_llvm *llvm)
+{
+ if (!llvm->vb_ptr_type)
+ create_jit_types(llvm);
+ return llvm->vb_ptr_type;
+}
- 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(llvm->pass);
- }
- LLVMAddGVNPass(llvm->pass);
- } else {
- /* We need at least this pass to prevent the backends to fail in
- * unexpected ways.
- */
- LLVMAddPromoteMemoryToRegisterPass(llvm->pass);
- }
+static LLVMTypeRef
+get_vertex_header_ptr_type(struct draw_llvm *llvm)
+{
+ if (!llvm->vertex_header_ptr_type)
+ create_jit_types(llvm);
+ return llvm->vertex_header_ptr_type;
+}
- init_globals(llvm);
+
+/**
+ * Create per-context LLVM info.
+ */
+struct draw_llvm *
+draw_llvm_create(struct draw_context *draw, struct gallivm_state *gallivm)
+{
+ struct draw_llvm *llvm;
+
+ llvm = CALLOC_STRUCT( draw_llvm );
+ if (!llvm)
+ return NULL;
+
+ lp_build_init();
+
+ llvm->draw = draw;
+ llvm->gallivm = gallivm;
if (gallivm_debug & GALLIVM_DEBUG_IR) {
- LLVMDumpModule(llvm->module);
+ LLVMDumpModule(llvm->gallivm->module);
}
llvm->nr_variants = 0;
make_empty_list(&llvm->vs_variants_list);
+ gallivm_register_garbage_collector_callback(
+ draw_llvm_garbage_collect_callback, llvm);
+
return llvm;
}
+
+/**
+ * Free per-context LLVM info.
+ */
void
draw_llvm_destroy(struct draw_llvm *llvm)
{
- LLVMDisposePassManager(llvm->pass);
+ gallivm_remove_garbage_collector_callback(
+ draw_llvm_garbage_collect_callback, llvm);
+ /* XXX free other draw_llvm data? */
FREE(llvm);
}
+
+/**
+ * Create LLVM-generated code for a vertex shader.
+ */
struct draw_llvm_variant *
-draw_llvm_create_variant(struct draw_llvm *llvm, int num_inputs)
+draw_llvm_create_variant(struct draw_llvm *llvm,
+ unsigned num_inputs,
+ const struct draw_llvm_variant_key *key)
{
- struct draw_llvm_variant *variant = MALLOC(sizeof(struct draw_llvm_variant));
+ struct draw_llvm_variant *variant;
struct llvm_vertex_shader *shader =
llvm_vertex_shader(llvm->draw->vs.vertex_shader);
+ LLVMTypeRef vertex_header;
+
+ variant = MALLOC(sizeof *variant +
+ shader->variant_key_size -
+ sizeof variant->key);
+ if (variant == NULL)
+ return NULL;
variant->llvm = llvm;
- draw_llvm_make_variant_key(llvm, &variant->key);
+ memcpy(&variant->key, key, shader->variant_key_size);
+
+ vertex_header = create_jit_vertex_header(llvm->gallivm, num_inputs);
- llvm->vertex_header_ptr_type = create_vertex_header(llvm, num_inputs);
+ llvm->vertex_header_ptr_type = LLVMPointerType(vertex_header, 0);
- draw_llvm_generate(llvm, variant);
- draw_llvm_generate_elts(llvm, variant);
+ draw_llvm_generate(llvm, variant, FALSE); /* linear */
+ draw_llvm_generate(llvm, variant, TRUE); /* elts */
variant->shader = shader;
variant->list_item_global.base = variant;
return variant;
}
+
static void
generate_vs(struct draw_llvm *llvm,
LLVMBuilderRef builder,
- LLVMValueRef (*outputs)[NUM_CHANNELS],
- const LLVMValueRef (*inputs)[NUM_CHANNELS],
+ LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS],
+ const LLVMValueRef (*inputs)[TGSI_NUM_CHANNELS],
+ const struct lp_bld_tgsi_system_values *system_values,
LLVMValueRef context_ptr,
- struct lp_build_sampler_soa *draw_sampler)
+ struct lp_build_sampler_soa *draw_sampler,
+ boolean clamp_vertex_color)
{
const struct tgsi_token *tokens = llvm->draw->vs.vertex_shader->state.tokens;
struct lp_type vs_type;
- LLVMValueRef consts_ptr = draw_jit_context_vs_constants(builder, context_ptr);
+ LLVMValueRef consts_ptr = draw_jit_context_vs_constants(llvm->gallivm, context_ptr);
struct lp_build_sampler_soa *sampler = 0;
memset(&vs_type, 0, sizeof vs_type);
tgsi_dump(tokens, 0);
}
- if (llvm->draw->num_sampler_views &&
- llvm->draw->num_samplers)
+ if (llvm->draw->num_sampler_views && llvm->draw->num_samplers)
sampler = draw_sampler;
- lp_build_tgsi_soa(builder,
+ lp_build_tgsi_soa(llvm->gallivm,
tokens,
vs_type,
NULL /*struct lp_build_mask_context *mask*/,
consts_ptr,
+ system_values,
NULL /*pos*/,
inputs,
outputs,
sampler,
&llvm->draw->vs.vertex_shader->info);
+
+ {
+ LLVMValueRef out;
+ unsigned chan, attrib;
+ struct lp_build_context bld;
+ struct tgsi_shader_info* info = &llvm->draw->vs.vertex_shader->info;
+ lp_build_context_init(&bld, llvm->gallivm, vs_type);
+
+ for (attrib = 0; attrib < info->num_outputs; ++attrib) {
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) {
+ if (outputs[attrib][chan]) {
+ switch (info->output_semantic_name[attrib]) {
+ case TGSI_SEMANTIC_COLOR:
+ case TGSI_SEMANTIC_BCOLOR:
+ if (clamp_vertex_color) {
+ out = LLVMBuildLoad(builder, outputs[attrib][chan], "");
+ out = lp_build_clamp(&bld, out, bld.zero, bld.one);
+ LLVMBuildStore(builder, out, outputs[attrib][chan]);
+ }
+ break;
+ case TGSI_SEMANTIC_FOG:
+ if (chan == 1 || chan == 2)
+ LLVMBuildStore(builder, bld.zero, outputs[attrib][chan]);
+ else if (chan == 3)
+ LLVMBuildStore(builder, bld.one, outputs[attrib][chan]);
+ break;
+ }
+ }
+ }
+ }
+ }
}
+
#if DEBUG_STORE
static void print_vectorf(LLVMBuilderRef builder,
LLVMValueRef vec)
{
LLVMValueRef val[4];
val[0] = LLVMBuildExtractElement(builder, vec,
- LLVMConstInt(LLVMInt32Type(), 0, 0), "");
+ lp_build_const_int32(gallivm, 0), "");
val[1] = LLVMBuildExtractElement(builder, vec,
- LLVMConstInt(LLVMInt32Type(), 1, 0), "");
+ lp_build_const_int32(gallivm, 1), "");
val[2] = LLVMBuildExtractElement(builder, vec,
- LLVMConstInt(LLVMInt32Type(), 2, 0), "");
+ lp_build_const_int32(gallivm, 2), "");
val[3] = LLVMBuildExtractElement(builder, vec,
- LLVMConstInt(LLVMInt32Type(), 3, 0), "");
+ lp_build_const_int32(gallivm, 3), "");
lp_build_printf(builder, "vector = [%f, %f, %f, %f]\n",
val[0], val[1], val[2], val[3]);
}
#endif
+
static void
-generate_fetch(LLVMBuilderRef builder,
+generate_fetch(struct gallivm_state *gallivm,
LLVMValueRef vbuffers_ptr,
LLVMValueRef *res,
struct pipe_vertex_element *velem,
LLVMValueRef index,
LLVMValueRef instance_id)
{
- LLVMValueRef indices = LLVMConstInt(LLVMInt64Type(), velem->vertex_buffer_index, 0);
+ LLVMBuilderRef builder = gallivm->builder;
+ LLVMValueRef indices =
+ LLVMConstInt(LLVMInt64TypeInContext(gallivm->context),
+ velem->vertex_buffer_index, 0);
LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr,
&indices, 1, "");
- LLVMValueRef vb_stride = draw_jit_vbuffer_stride(builder, vbuf);
- LLVMValueRef vb_max_index = draw_jit_vbuffer_max_index(builder, vbuf);
- LLVMValueRef vb_buffer_offset = draw_jit_vbuffer_offset(builder, vbuf);
- LLVMValueRef cond;
+ LLVMValueRef vb_stride = draw_jit_vbuffer_stride(gallivm, vbuf);
+ LLVMValueRef vb_buffer_offset = draw_jit_vbuffer_offset(gallivm, vbuf);
LLVMValueRef stride;
if (velem->instance_divisor) {
/* array index = instance_id / instance_divisor */
index = LLVMBuildUDiv(builder, instance_id,
- LLVMConstInt(LLVMInt32Type(), velem->instance_divisor, 0),
+ lp_build_const_int32(gallivm, velem->instance_divisor),
"instance_divisor");
}
- /* limit index to min(inex, vb_max_index) */
- cond = LLVMBuildICmp(builder, LLVMIntULE, index, vb_max_index, "");
- index = LLVMBuildSelect(builder, cond, index, vb_max_index, "");
-
stride = LLVMBuildMul(builder, vb_stride, index, "");
vbuffer_ptr = LLVMBuildLoad(builder, vbuffer_ptr, "vbuffer");
vb_buffer_offset,
"");
stride = LLVMBuildAdd(builder, stride,
- LLVMConstInt(LLVMInt32Type(), velem->src_offset, 0),
+ lp_build_const_int32(gallivm, velem->src_offset),
"");
/*lp_build_printf(builder, "vbuf index = %d, stride is %d\n", indices, stride);*/
vbuffer_ptr = LLVMBuildGEP(builder, vbuffer_ptr, &stride, 1, "");
- *res = draw_llvm_translate_from(builder, vbuffer_ptr, velem->src_format);
+ *res = draw_llvm_translate_from(gallivm, vbuffer_ptr, velem->src_format);
}
+
static LLVMValueRef
-aos_to_soa(LLVMBuilderRef builder,
+aos_to_soa(struct gallivm_state *gallivm,
LLVMValueRef val0,
LLVMValueRef val1,
LLVMValueRef val2,
LLVMValueRef val3,
LLVMValueRef channel)
{
+ LLVMBuilderRef builder = gallivm->builder;
LLVMValueRef ex, res;
ex = LLVMBuildExtractElement(builder, val0,
res = LLVMBuildInsertElement(builder,
LLVMConstNull(LLVMTypeOf(val0)),
ex,
- LLVMConstInt(LLVMInt32Type(), 0, 0),
+ lp_build_const_int32(gallivm, 0),
"");
ex = LLVMBuildExtractElement(builder, val1,
channel, "");
res = LLVMBuildInsertElement(builder,
res, ex,
- LLVMConstInt(LLVMInt32Type(), 1, 0),
+ lp_build_const_int32(gallivm, 1),
"");
ex = LLVMBuildExtractElement(builder, val2,
channel, "");
res = LLVMBuildInsertElement(builder,
res, ex,
- LLVMConstInt(LLVMInt32Type(), 2, 0),
+ lp_build_const_int32(gallivm, 2),
"");
ex = LLVMBuildExtractElement(builder, val3,
channel, "");
res = LLVMBuildInsertElement(builder,
res, ex,
- LLVMConstInt(LLVMInt32Type(), 3, 0),
+ lp_build_const_int32(gallivm, 3),
"");
return res;
}
+
static void
-soa_to_aos(LLVMBuilderRef builder,
- LLVMValueRef soa[NUM_CHANNELS],
- LLVMValueRef aos[NUM_CHANNELS])
+soa_to_aos(struct gallivm_state *gallivm,
+ LLVMValueRef soa[TGSI_NUM_CHANNELS],
+ LLVMValueRef aos[TGSI_NUM_CHANNELS])
{
+ LLVMBuilderRef builder = gallivm->builder;
LLVMValueRef comp;
int i = 0;
- debug_assert(NUM_CHANNELS == 4);
+ debug_assert(TGSI_NUM_CHANNELS == 4);
aos[0] = LLVMConstNull(LLVMTypeOf(soa[0]));
aos[1] = aos[2] = aos[3] = aos[0];
- for (i = 0; i < NUM_CHANNELS; ++i) {
- LLVMValueRef channel = LLVMConstInt(LLVMInt32Type(), i, 0);
+ for (i = 0; i < TGSI_NUM_CHANNELS; ++i) {
+ LLVMValueRef channel = lp_build_const_int32(gallivm, i);
comp = LLVMBuildExtractElement(builder, soa[i],
- LLVMConstInt(LLVMInt32Type(), 0, 0), "");
+ lp_build_const_int32(gallivm, 0), "");
aos[0] = LLVMBuildInsertElement(builder, aos[0], comp, channel, "");
comp = LLVMBuildExtractElement(builder, soa[i],
- LLVMConstInt(LLVMInt32Type(), 1, 0), "");
+ lp_build_const_int32(gallivm, 1), "");
aos[1] = LLVMBuildInsertElement(builder, aos[1], comp, channel, "");
comp = LLVMBuildExtractElement(builder, soa[i],
- LLVMConstInt(LLVMInt32Type(), 2, 0), "");
+ lp_build_const_int32(gallivm, 2), "");
aos[2] = LLVMBuildInsertElement(builder, aos[2], comp, channel, "");
comp = LLVMBuildExtractElement(builder, soa[i],
- LLVMConstInt(LLVMInt32Type(), 3, 0), "");
+ lp_build_const_int32(gallivm, 3), "");
aos[3] = LLVMBuildInsertElement(builder, aos[3], comp, channel, "");
}
}
+
static void
-convert_to_soa(LLVMBuilderRef builder,
- LLVMValueRef (*aos)[NUM_CHANNELS],
- LLVMValueRef (*soa)[NUM_CHANNELS],
+convert_to_soa(struct gallivm_state *gallivm,
+ LLVMValueRef (*aos)[TGSI_NUM_CHANNELS],
+ LLVMValueRef (*soa)[TGSI_NUM_CHANNELS],
int num_attribs)
{
int i;
- debug_assert(NUM_CHANNELS == 4);
+ debug_assert(TGSI_NUM_CHANNELS == 4);
for (i = 0; i < num_attribs; ++i) {
LLVMValueRef val0 = aos[i][0];
LLVMValueRef val2 = aos[i][2];
LLVMValueRef val3 = aos[i][3];
- soa[i][0] = aos_to_soa(builder, val0, val1, val2, val3,
- LLVMConstInt(LLVMInt32Type(), 0, 0));
- soa[i][1] = aos_to_soa(builder, val0, val1, val2, val3,
- LLVMConstInt(LLVMInt32Type(), 1, 0));
- soa[i][2] = aos_to_soa(builder, val0, val1, val2, val3,
- LLVMConstInt(LLVMInt32Type(), 2, 0));
- soa[i][3] = aos_to_soa(builder, val0, val1, val2, val3,
- LLVMConstInt(LLVMInt32Type(), 3, 0));
+ soa[i][0] = aos_to_soa(gallivm, val0, val1, val2, val3,
+ lp_build_const_int32(gallivm, 0));
+ soa[i][1] = aos_to_soa(gallivm, val0, val1, val2, val3,
+ lp_build_const_int32(gallivm, 1));
+ soa[i][2] = aos_to_soa(gallivm, val0, val1, val2, val3,
+ lp_build_const_int32(gallivm, 2));
+ soa[i][3] = aos_to_soa(gallivm, val0, val1, val2, val3,
+ lp_build_const_int32(gallivm, 3));
}
}
+
static void
-store_aos(LLVMBuilderRef builder,
+store_aos(struct gallivm_state *gallivm,
LLVMValueRef io_ptr,
LLVMValueRef index,
- LLVMValueRef value)
+ LLVMValueRef value,
+ LLVMValueRef clipmask, boolean have_clipdist)
{
- LLVMValueRef id_ptr = draw_jit_header_id(builder, io_ptr);
- LLVMValueRef data_ptr = draw_jit_header_data(builder, io_ptr);
+ LLVMBuilderRef builder = gallivm->builder;
+ LLVMValueRef id_ptr = draw_jit_header_id(gallivm, io_ptr);
+ LLVMValueRef data_ptr = draw_jit_header_data(gallivm, io_ptr);
LLVMValueRef indices[3];
+ LLVMValueRef val;
+ int vertex_id_pad_edgeflag;
- indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0);
+ indices[0] = lp_build_const_int32(gallivm, 0);
indices[1] = index;
- indices[2] = LLVMConstInt(LLVMInt32Type(), 0, 0);
+ indices[2] = lp_build_const_int32(gallivm, 0);
+
+ /* If this assertion fails, it means we need to update the bit twidding
+ * code here. See struct vertex_header in draw_private.h.
+ */
+ assert(DRAW_TOTAL_CLIP_PLANES==14);
+ /* initialize vertex id:16 = 0xffff, have_clipdist:1 = 0, edgeflag:1 = 1 */
+ vertex_id_pad_edgeflag = (0xffff << 16) | (1 << DRAW_TOTAL_CLIP_PLANES);
+ if (have_clipdist)
+ vertex_id_pad_edgeflag |= 1 << (DRAW_TOTAL_CLIP_PLANES+1);
+ val = lp_build_const_int32(gallivm, vertex_id_pad_edgeflag);
+ /* OR with the clipmask */
+ val = LLVMBuildOr(builder, val, clipmask, "");
+
+ /* store vertex header */
+ LLVMBuildStore(builder, val, id_ptr);
- /* undefined vertex */
- LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(),
- 0xffff, 0), id_ptr);
#if DEBUG_STORE
lp_build_printf(builder, " ---- %p storing attribute %d (io = %p)\n", data_ptr, index, io_ptr);
/*lp_build_printf(builder, " ---- %p storing at %d (%p) ", io_ptr, index, data_ptr);
print_vectorf(builder, value);*/
data_ptr = LLVMBuildBitCast(builder, data_ptr,
- LLVMPointerType(LLVMArrayType(LLVMVectorType(LLVMFloatType(), 4), 0), 0),
+ LLVMPointerType(LLVMArrayType(LLVMVectorType(LLVMFloatTypeInContext(gallivm->context), 4), 0), 0),
"datavec");
data_ptr = LLVMBuildGEP(builder, data_ptr, indices, 2, "");
LLVMValueRef gep0, gep1, gep2, gep3;
data_ptr = LLVMBuildGEP(builder, data_ptr, indices, 3, "");
- idx0 = LLVMConstInt(LLVMInt32Type(), 0, 0);
- idx1 = LLVMConstInt(LLVMInt32Type(), 1, 0);
- idx2 = LLVMConstInt(LLVMInt32Type(), 2, 0);
- idx3 = LLVMConstInt(LLVMInt32Type(), 3, 0);
+ idx0 = lp_build_const_int32(gallivm, 0);
+ idx1 = lp_build_const_int32(gallivm, 1);
+ idx2 = lp_build_const_int32(gallivm, 2);
+ idx3 = lp_build_const_int32(gallivm, 3);
x = LLVMBuildExtractElement(builder, value,
idx0, "");
#endif
}
+
static void
-store_aos_array(LLVMBuilderRef builder,
+store_aos_array(struct gallivm_state *gallivm,
LLVMValueRef io_ptr,
- LLVMValueRef aos[NUM_CHANNELS],
+ LLVMValueRef aos[TGSI_NUM_CHANNELS],
int attrib,
- int num_outputs)
+ int num_outputs,
+ LLVMValueRef clipmask,
+ boolean have_clipdist)
{
- LLVMValueRef attr_index = LLVMConstInt(LLVMInt32Type(), attrib, 0);
- LLVMValueRef ind0 = LLVMConstInt(LLVMInt32Type(), 0, 0);
- LLVMValueRef ind1 = LLVMConstInt(LLVMInt32Type(), 1, 0);
- LLVMValueRef ind2 = LLVMConstInt(LLVMInt32Type(), 2, 0);
- LLVMValueRef ind3 = LLVMConstInt(LLVMInt32Type(), 3, 0);
+ LLVMBuilderRef builder = gallivm->builder;
+ LLVMValueRef attr_index = lp_build_const_int32(gallivm, attrib);
+ LLVMValueRef ind0 = lp_build_const_int32(gallivm, 0);
+ LLVMValueRef ind1 = lp_build_const_int32(gallivm, 1);
+ LLVMValueRef ind2 = lp_build_const_int32(gallivm, 2);
+ LLVMValueRef ind3 = lp_build_const_int32(gallivm, 3);
LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr;
-
- debug_assert(NUM_CHANNELS == 4);
+ LLVMValueRef clipmask0, clipmask1, clipmask2, clipmask3;
+
+ debug_assert(TGSI_NUM_CHANNELS == 4);
io0_ptr = LLVMBuildGEP(builder, io_ptr,
&ind0, 1, "");
io3_ptr = LLVMBuildGEP(builder, io_ptr,
&ind3, 1, "");
+ clipmask0 = LLVMBuildExtractElement(builder, clipmask,
+ ind0, "");
+ clipmask1 = LLVMBuildExtractElement(builder, clipmask,
+ ind1, "");
+ clipmask2 = LLVMBuildExtractElement(builder, clipmask,
+ ind2, "");
+ clipmask3 = LLVMBuildExtractElement(builder, clipmask,
+ ind3, "");
+
#if DEBUG_STORE
- lp_build_printf(builder, " io = %p, indexes[%d, %d, %d, %d]\n",
- io_ptr, ind0, ind1, ind2, ind3);
+ lp_build_printf(builder, "io = %p, indexes[%d, %d, %d, %d]\n, clipmask0 = %x, clipmask1 = %x, clipmask2 = %x, clipmask3 = %x\n",
+ io_ptr, ind0, ind1, ind2, ind3, clipmask0, clipmask1, clipmask2, clipmask3);
#endif
-
- store_aos(builder, io0_ptr, attr_index, aos[0]);
- store_aos(builder, io1_ptr, attr_index, aos[1]);
- store_aos(builder, io2_ptr, attr_index, aos[2]);
- store_aos(builder, io3_ptr, attr_index, aos[3]);
+ /* store for each of the 4 vertices */
+ store_aos(gallivm, io0_ptr, attr_index, aos[0], clipmask0, have_clipdist);
+ store_aos(gallivm, io1_ptr, attr_index, aos[1], clipmask1, have_clipdist);
+ store_aos(gallivm, io2_ptr, attr_index, aos[2], clipmask2, have_clipdist);
+ store_aos(gallivm, io3_ptr, attr_index, aos[3], clipmask3, have_clipdist);
}
+
static void
-convert_to_aos(LLVMBuilderRef builder,
+convert_to_aos(struct gallivm_state *gallivm,
LLVMValueRef io,
- LLVMValueRef (*outputs)[NUM_CHANNELS],
+ LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS],
+ LLVMValueRef clipmask,
int num_outputs,
- int max_vertices)
+ int max_vertices, boolean have_clipdist)
{
+ LLVMBuilderRef builder = gallivm->builder;
unsigned chan, attrib;
#if DEBUG_STORE
for (attrib = 0; attrib < num_outputs; ++attrib) {
LLVMValueRef soa[4];
LLVMValueRef aos[4];
- for(chan = 0; chan < NUM_CHANNELS; ++chan) {
- if(outputs[attrib][chan]) {
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; ++chan) {
+ if (outputs[attrib][chan]) {
LLVMValueRef out = LLVMBuildLoad(builder, outputs[attrib][chan], "");
lp_build_name(out, "output%u.%c", attrib, "xyzw"[chan]);
/*lp_build_printf(builder, "output %d : %d ",
LLVMConstInt(LLVMInt32Type(), chan, 0));
print_vectorf(builder, out);*/
soa[chan] = out;
- } else
+ }
+ else {
soa[chan] = 0;
+ }
}
- soa_to_aos(builder, soa, aos);
- store_aos_array(builder,
+ soa_to_aos(gallivm, soa, aos);
+ store_aos_array(gallivm,
io,
aos,
attrib,
- num_outputs);
+ num_outputs,
+ clipmask, have_clipdist);
}
#if DEBUG_STORE
lp_build_printf(builder, " # storing end\n");
#endif
}
+
+/**
+ * Stores original vertex positions in clip coordinates
+ * There is probably a more efficient way to do this, 4 floats at once
+ * rather than extracting each element one by one.
+ * idx is the output to store things too, if pre_clip_pos is set
+ * we store the pos to the idx, if not we store the clipvertex to it.
+ */
static void
-draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
+store_clip(struct gallivm_state *gallivm,
+ LLVMValueRef io_ptr,
+ LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS],
+ boolean pre_clip_pos, int idx)
{
- LLVMTypeRef arg_types[8];
- LLVMTypeRef func_type;
- LLVMValueRef context_ptr;
- LLVMBasicBlockRef block;
- LLVMBuilderRef builder;
- LLVMValueRef start, end, count, stride, step, io_itr;
- LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr;
- LLVMValueRef instance_id;
- struct draw_context *draw = llvm->draw;
- unsigned i, j;
- struct lp_build_context bld;
- struct lp_build_loop_state lp_loop;
- const int max_vertices = 4;
- LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS];
- void *code;
- struct lp_build_sampler_soa *sampler = 0;
-
- arg_types[0] = llvm->context_ptr_type; /* context */
- arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */
- arg_types[2] = llvm->buffer_ptr_type; /* vbuffers */
- arg_types[3] = LLVMInt32Type(); /* start */
- arg_types[4] = LLVMInt32Type(); /* count */
- arg_types[5] = LLVMInt32Type(); /* stride */
- arg_types[6] = llvm->vb_ptr_type; /* pipe_vertex_buffer's */
- arg_types[7] = LLVMInt32Type(); /* instance_id */
-
- func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0);
-
- variant->function = LLVMAddFunction(llvm->module, "draw_llvm_shader", func_type);
- LLVMSetFunctionCallConv(variant->function, LLVMCCallConv);
- for(i = 0; i < Elements(arg_types); ++i)
- if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind)
- LLVMAddAttribute(LLVMGetParam(variant->function, i), LLVMNoAliasAttribute);
-
- context_ptr = LLVMGetParam(variant->function, 0);
- io_ptr = LLVMGetParam(variant->function, 1);
- vbuffers_ptr = LLVMGetParam(variant->function, 2);
- start = LLVMGetParam(variant->function, 3);
- count = LLVMGetParam(variant->function, 4);
- stride = LLVMGetParam(variant->function, 5);
- vb_ptr = LLVMGetParam(variant->function, 6);
- instance_id = LLVMGetParam(variant->function, 7);
-
- lp_build_name(context_ptr, "context");
- lp_build_name(io_ptr, "io");
- lp_build_name(vbuffers_ptr, "vbuffers");
- lp_build_name(start, "start");
- lp_build_name(count, "count");
- lp_build_name(stride, "stride");
- lp_build_name(vb_ptr, "vb");
- lp_build_name(instance_id, "instance_id");
-
- /*
- * Function body
- */
+ LLVMBuilderRef builder = gallivm->builder;
+ LLVMValueRef out[4];
+ LLVMValueRef indices[2];
+ LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr;
+ LLVMValueRef clip_ptr0, clip_ptr1, clip_ptr2, clip_ptr3;
+ LLVMValueRef clip0_ptr, clip1_ptr, clip2_ptr, clip3_ptr;
+ LLVMValueRef out0elem, out1elem, out2elem, out3elem;
+ int i;
- block = LLVMAppendBasicBlock(variant->function, "entry");
- builder = LLVMCreateBuilder();
- LLVMPositionBuilderAtEnd(builder, block);
+ LLVMValueRef ind0 = lp_build_const_int32(gallivm, 0);
+ LLVMValueRef ind1 = lp_build_const_int32(gallivm, 1);
+ LLVMValueRef ind2 = lp_build_const_int32(gallivm, 2);
+ LLVMValueRef ind3 = lp_build_const_int32(gallivm, 3);
+
+ indices[0] =
+ indices[1] = lp_build_const_int32(gallivm, 0);
+
+ out[0] = LLVMBuildLoad(builder, outputs[idx][0], ""); /*x0 x1 x2 x3*/
+ out[1] = LLVMBuildLoad(builder, outputs[idx][1], ""); /*y0 y1 y2 y3*/
+ out[2] = LLVMBuildLoad(builder, outputs[idx][2], ""); /*z0 z1 z2 z3*/
+ out[3] = LLVMBuildLoad(builder, outputs[idx][3], ""); /*w0 w1 w2 w3*/
+
+ io0_ptr = LLVMBuildGEP(builder, io_ptr, &ind0, 1, "");
+ io1_ptr = LLVMBuildGEP(builder, io_ptr, &ind1, 1, "");
+ io2_ptr = LLVMBuildGEP(builder, io_ptr, &ind2, 1, "");
+ io3_ptr = LLVMBuildGEP(builder, io_ptr, &ind3, 1, "");
+
+ if (!pre_clip_pos) {
+ clip_ptr0 = draw_jit_header_clip(gallivm, io0_ptr);
+ clip_ptr1 = draw_jit_header_clip(gallivm, io1_ptr);
+ clip_ptr2 = draw_jit_header_clip(gallivm, io2_ptr);
+ clip_ptr3 = draw_jit_header_clip(gallivm, io3_ptr);
+ } else {
+ clip_ptr0 = draw_jit_header_pre_clip_pos(gallivm, io0_ptr);
+ clip_ptr1 = draw_jit_header_pre_clip_pos(gallivm, io1_ptr);
+ clip_ptr2 = draw_jit_header_pre_clip_pos(gallivm, io2_ptr);
+ clip_ptr3 = draw_jit_header_pre_clip_pos(gallivm, io3_ptr);
+ }
- lp_build_context_init(&bld, builder, lp_type_int(32));
+ for (i = 0; i<4; i++) {
+ clip0_ptr = LLVMBuildGEP(builder, clip_ptr0, indices, 2, ""); /* x0 */
+ clip1_ptr = LLVMBuildGEP(builder, clip_ptr1, indices, 2, ""); /* x1 */
+ clip2_ptr = LLVMBuildGEP(builder, clip_ptr2, indices, 2, ""); /* x2 */
+ clip3_ptr = LLVMBuildGEP(builder, clip_ptr3, indices, 2, ""); /* x3 */
+
+ out0elem = LLVMBuildExtractElement(builder, out[i], ind0, ""); /* x0 */
+ out1elem = LLVMBuildExtractElement(builder, out[i], ind1, ""); /* x1 */
+ out2elem = LLVMBuildExtractElement(builder, out[i], ind2, ""); /* x2 */
+ out3elem = LLVMBuildExtractElement(builder, out[i], ind3, ""); /* x3 */
+
+ LLVMBuildStore(builder, out0elem, clip0_ptr);
+ LLVMBuildStore(builder, out1elem, clip1_ptr);
+ LLVMBuildStore(builder, out2elem, clip2_ptr);
+ LLVMBuildStore(builder, out3elem, clip3_ptr);
+
+ indices[1]= LLVMBuildAdd(builder, indices[1], ind1, "");
+ }
- end = lp_build_add(&bld, start, count);
+}
- step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0);
- /* code generated texture sampling */
- sampler = draw_llvm_sampler_soa_create(variant->key.sampler,
- context_ptr);
+/**
+ * Equivalent of _mm_set1_ps(a)
+ */
+static LLVMValueRef
+vec4f_from_scalar(struct gallivm_state *gallivm,
+ LLVMValueRef a,
+ const char *name)
+{
+ LLVMTypeRef float_type = LLVMFloatTypeInContext(gallivm->context);
+ LLVMValueRef res = LLVMGetUndef(LLVMVectorType(float_type, 4));
+ int i;
-#if DEBUG_STORE
- lp_build_printf(builder, "start = %d, end = %d, step = %d\n",
- start, end, step);
-#endif
- lp_build_loop_begin(builder, start, &lp_loop);
- {
- LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS];
- LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS] = { { 0 } };
- LLVMValueRef io;
- const LLVMValueRef (*ptr_aos)[NUM_CHANNELS];
+ for (i = 0; i < 4; ++i) {
+ LLVMValueRef index = lp_build_const_int32(gallivm, i);
+ res = LLVMBuildInsertElement(gallivm->builder, res, a,
+ index, i == 3 ? name : "");
+ }
- io_itr = LLVMBuildSub(builder, lp_loop.counter, start, "");
- io = LLVMBuildGEP(builder, io_ptr, &io_itr, 1, "");
-#if DEBUG_STORE
- lp_build_printf(builder, " --- io %d = %p, loop counter %d\n",
- io_itr, io, lp_loop.counter);
-#endif
- for (i = 0; i < NUM_CHANNELS; ++i) {
- LLVMValueRef true_index = LLVMBuildAdd(
- builder,
- lp_loop.counter,
- LLVMConstInt(LLVMInt32Type(), i, 0), "");
- for (j = 0; j < draw->pt.nr_vertex_elements; ++j) {
- struct pipe_vertex_element *velem = &draw->pt.vertex_element[j];
- LLVMValueRef vb_index = LLVMConstInt(LLVMInt32Type(),
- velem->vertex_buffer_index,
- 0);
- LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr,
- &vb_index, 1, "");
- generate_fetch(builder, vbuffers_ptr,
- &aos_attribs[j][i], velem, vb, true_index,
- instance_id);
- }
- }
- convert_to_soa(builder, aos_attribs, inputs,
- draw->pt.nr_vertex_elements);
+ return res;
+}
- ptr_aos = (const LLVMValueRef (*)[NUM_CHANNELS]) inputs;
- generate_vs(llvm,
- builder,
- outputs,
- ptr_aos,
- context_ptr,
- sampler);
- convert_to_aos(builder, io, outputs,
- draw->vs.vertex_shader->info.num_outputs,
- max_vertices);
+/**
+ * Transforms the outputs for viewport mapping
+ */
+static void
+generate_viewport(struct draw_llvm *llvm,
+ LLVMBuilderRef builder,
+ LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS],
+ LLVMValueRef context_ptr)
+{
+ int i;
+ struct gallivm_state *gallivm = llvm->gallivm;
+ struct lp_type f32_type = lp_type_float_vec(32);
+ LLVMValueRef out3 = LLVMBuildLoad(builder, outputs[0][3], ""); /*w0 w1 w2 w3*/
+ LLVMValueRef const1 = lp_build_const_vec(gallivm, f32_type, 1.0); /*1.0 1.0 1.0 1.0*/
+ LLVMValueRef vp_ptr = draw_jit_context_viewport(gallivm, context_ptr);
+
+ /* for 1/w convention*/
+ out3 = LLVMBuildFDiv(builder, const1, out3, "");
+ LLVMBuildStore(builder, out3, outputs[0][3]);
+
+ /* Viewport Mapping */
+ for (i=0; i<3; i++) {
+ LLVMValueRef out = LLVMBuildLoad(builder, outputs[0][i], ""); /*x0 x1 x2 x3*/
+ LLVMValueRef scale;
+ LLVMValueRef trans;
+ LLVMValueRef scale_i;
+ LLVMValueRef trans_i;
+ LLVMValueRef index;
+
+ index = lp_build_const_int32(gallivm, i);
+ scale_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, "");
+
+ index = lp_build_const_int32(gallivm, i+4);
+ trans_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, "");
+
+ scale = vec4f_from_scalar(gallivm, LLVMBuildLoad(builder, scale_i, ""), "scale");
+ trans = vec4f_from_scalar(gallivm, LLVMBuildLoad(builder, trans_i, ""), "trans");
+
+ /* divide by w */
+ out = LLVMBuildFMul(builder, out, out3, "");
+ /* mult by scale */
+ out = LLVMBuildFMul(builder, out, scale, "");
+ /* add translation */
+ out = LLVMBuildFAdd(builder, out, trans, "");
+
+ /* store transformed outputs */
+ LLVMBuildStore(builder, out, outputs[0][i]);
}
- lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop);
-
- sampler->destroy(sampler);
-
-#ifdef PIPE_ARCH_X86
- /* Avoid corrupting the FPU stack on 32bit OSes. */
- lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0);
-#endif
+
+}
- LLVMBuildRetVoid(builder);
- LLVMDisposeBuilder(builder);
+/**
+ * Returns clipmask as 4xi32 bitmask for the 4 vertices
+ */
+static LLVMValueRef
+generate_clipmask(struct draw_llvm *llvm,
+ LLVMValueRef (*outputs)[TGSI_NUM_CHANNELS],
+ boolean clip_xy,
+ boolean clip_z,
+ boolean clip_user,
+ boolean clip_halfz,
+ unsigned ucp_enable,
+ LLVMValueRef context_ptr,
+ boolean *have_clipdist)
+{
+ struct gallivm_state *gallivm = llvm->gallivm;
+ LLVMBuilderRef builder = gallivm->builder;
+ LLVMValueRef mask; /* stores the <4xi32> clipmasks */
+ LLVMValueRef test, temp;
+ LLVMValueRef zero, shift;
+ LLVMValueRef pos_x, pos_y, pos_z, pos_w;
+ LLVMValueRef cv_x, cv_y, cv_z, cv_w;
+ LLVMValueRef plane1, planes, plane_ptr, sum;
+ struct lp_type f32_type = lp_type_float_vec(32);
+ const unsigned pos = draw_current_shader_position_output(llvm->draw);
+ const unsigned cv = draw_current_shader_clipvertex_output(llvm->draw);
+ int num_written_clipdistance = llvm->draw->vs.vertex_shader->info.num_written_clipdistance;
+ bool have_cd = false;
+ unsigned cd[2];
+
+ cd[0] = draw_current_shader_clipdistance_output(llvm->draw, 0);
+ cd[1] = draw_current_shader_clipdistance_output(llvm->draw, 1);
+
+ if (cd[0] != pos || cd[1] != pos)
+ have_cd = true;
+
+ mask = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 0);
+ temp = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 0);
+ zero = lp_build_const_vec(gallivm, f32_type, 0); /* 0.0f 0.0f 0.0f 0.0f */
+ shift = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 1); /* 1 1 1 1 */
/*
- * Translate the LLVM IR into machine code.
+ * load clipvertex and position from correct locations.
+ * if they are the same just load them once.
*/
-#ifdef DEBUG
- if(LLVMVerifyFunction(variant->function, LLVMPrintMessageAction)) {
- lp_debug_dump_value(variant->function);
- assert(0);
+ pos_x = LLVMBuildLoad(builder, outputs[pos][0], ""); /*x0 x1 x2 x3*/
+ pos_y = LLVMBuildLoad(builder, outputs[pos][1], ""); /*y0 y1 y2 y3*/
+ pos_z = LLVMBuildLoad(builder, outputs[pos][2], ""); /*z0 z1 z2 z3*/
+ pos_w = LLVMBuildLoad(builder, outputs[pos][3], ""); /*w0 w1 w2 w3*/
+
+ if (clip_user && cv != pos) {
+ cv_x = LLVMBuildLoad(builder, outputs[cv][0], ""); /*x0 x1 x2 x3*/
+ cv_y = LLVMBuildLoad(builder, outputs[cv][1], ""); /*y0 y1 y2 y3*/
+ cv_z = LLVMBuildLoad(builder, outputs[cv][2], ""); /*z0 z1 z2 z3*/
+ cv_w = LLVMBuildLoad(builder, outputs[cv][3], ""); /*w0 w1 w2 w3*/
+ } else {
+ cv_x = pos_x;
+ cv_y = pos_y;
+ cv_z = pos_z;
+ cv_w = pos_w;
}
-#endif
- LLVMRunFunctionPassManager(llvm->pass, variant->function);
+ /* Cliptest, for hardwired planes */
+ if (clip_xy) {
+ /* plane 1 */
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, pos_x , pos_w);
+ temp = shift;
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = test;
+
+ /* plane 2 */
+ test = LLVMBuildFAdd(builder, pos_x, pos_w, "");
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, test);
+ temp = LLVMBuildShl(builder, temp, shift, "");
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+
+ /* plane 3 */
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, pos_y, pos_w);
+ temp = LLVMBuildShl(builder, temp, shift, "");
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+
+ /* plane 4 */
+ test = LLVMBuildFAdd(builder, pos_y, pos_w, "");
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, test);
+ temp = LLVMBuildShl(builder, temp, shift, "");
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+ }
- if (gallivm_debug & GALLIVM_DEBUG_IR) {
- lp_debug_dump_value(variant->function);
- debug_printf("\n");
+ if (clip_z) {
+ temp = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 16);
+ if (clip_halfz) {
+ /* plane 5 */
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, pos_z);
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+ }
+ else {
+ /* plane 5 */
+ test = LLVMBuildFAdd(builder, pos_z, pos_w, "");
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, test);
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+ }
+ /* plane 6 */
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, pos_z, pos_w);
+ temp = LLVMBuildShl(builder, temp, shift, "");
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+ }
+
+ if (clip_user) {
+ LLVMValueRef planes_ptr = draw_jit_context_planes(gallivm, context_ptr);
+ LLVMValueRef indices[3];
+
+ /* userclip planes */
+ while (ucp_enable) {
+ unsigned plane_idx = ffs(ucp_enable)-1;
+ ucp_enable &= ~(1 << plane_idx);
+ plane_idx += 6;
+
+ if (have_cd && num_written_clipdistance) {
+ LLVMValueRef clipdist;
+ int i;
+ i = plane_idx - 6;
+
+ *have_clipdist = TRUE;
+ if (i < 4) {
+ clipdist = LLVMBuildLoad(builder, outputs[cd[0]][i], "");
+ } else {
+ clipdist = LLVMBuildLoad(builder, outputs[cd[1]][i-4], "");
+ }
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, clipdist);
+ temp = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 1 << plane_idx);
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+ } else {
+ indices[0] = lp_build_const_int32(gallivm, 0);
+ indices[1] = lp_build_const_int32(gallivm, plane_idx);
+
+ indices[2] = lp_build_const_int32(gallivm, 0);
+ plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, "");
+ plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_x");
+ planes = vec4f_from_scalar(gallivm, plane1, "plane4_x");
+ sum = LLVMBuildFMul(builder, planes, cv_x, "");
+
+ indices[2] = lp_build_const_int32(gallivm, 1);
+ plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, "");
+ plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_y");
+ planes = vec4f_from_scalar(gallivm, plane1, "plane4_y");
+ test = LLVMBuildFMul(builder, planes, cv_y, "");
+ sum = LLVMBuildFAdd(builder, sum, test, "");
+
+ indices[2] = lp_build_const_int32(gallivm, 2);
+ plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, "");
+ plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_z");
+ planes = vec4f_from_scalar(gallivm, plane1, "plane4_z");
+ test = LLVMBuildFMul(builder, planes, cv_z, "");
+ sum = LLVMBuildFAdd(builder, sum, test, "");
+
+ indices[2] = lp_build_const_int32(gallivm, 3);
+ plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, "");
+ plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_w");
+ planes = vec4f_from_scalar(gallivm, plane1, "plane4_w");
+ test = LLVMBuildFMul(builder, planes, cv_w, "");
+ sum = LLVMBuildFAdd(builder, sum, test, "");
+
+ test = lp_build_compare(gallivm, f32_type, PIPE_FUNC_GREATER, zero, sum);
+ temp = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 1 << plane_idx);
+ test = LLVMBuildAnd(builder, test, temp, "");
+ mask = LLVMBuildOr(builder, mask, test, "");
+ }
+ }
}
+ return mask;
+}
- code = LLVMGetPointerToGlobal(llvm->draw->engine, variant->function);
- variant->jit_func = (draw_jit_vert_func)pointer_to_func(code);
- if (gallivm_debug & GALLIVM_DEBUG_ASM) {
- lp_disassemble(code);
+/**
+ * Returns boolean if any clipping has occurred
+ * Used zero/non-zero i32 value to represent boolean
+ */
+static void
+clipmask_bool(struct gallivm_state *gallivm,
+ LLVMValueRef clipmask,
+ LLVMValueRef ret_ptr)
+{
+ LLVMBuilderRef builder = gallivm->builder;
+ LLVMValueRef ret = LLVMBuildLoad(builder, ret_ptr, "");
+ LLVMValueRef temp;
+ int i;
+
+ for (i=0; i<4; i++) {
+ temp = LLVMBuildExtractElement(builder, clipmask,
+ lp_build_const_int32(gallivm, i) , "");
+ ret = LLVMBuildOr(builder, ret, temp, "");
}
- lp_func_delete_body(variant->function);
+
+ LLVMBuildStore(builder, ret, ret_ptr);
}
static void
-draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
+draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant,
+ boolean elts)
{
+ struct gallivm_state *gallivm = llvm->gallivm;
+ LLVMContextRef context = gallivm->context;
+ LLVMTypeRef int32_type = LLVMInt32TypeInContext(context);
LLVMTypeRef arg_types[8];
LLVMTypeRef func_type;
LLVMValueRef context_ptr;
LLVMBasicBlockRef block;
LLVMBuilderRef builder;
- LLVMValueRef fetch_elts, fetch_count, stride, step, io_itr;
+ LLVMValueRef end, start;
+ LLVMValueRef count, fetch_elts, fetch_count;
+ LLVMValueRef stride, step, io_itr;
LLVMValueRef io_ptr, vbuffers_ptr, vb_ptr;
- LLVMValueRef instance_id;
+ LLVMValueRef zero = lp_build_const_int32(gallivm, 0);
+ LLVMValueRef one = lp_build_const_int32(gallivm, 1);
struct draw_context *draw = llvm->draw;
+ const struct tgsi_shader_info *vs_info = &draw->vs.vertex_shader->info;
unsigned i, j;
struct lp_build_context bld;
struct lp_build_loop_state lp_loop;
const int max_vertices = 4;
- LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS];
+ LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS];
LLVMValueRef fetch_max;
void *code;
struct lp_build_sampler_soa *sampler = 0;
-
- arg_types[0] = llvm->context_ptr_type; /* context */
- arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */
- arg_types[2] = llvm->buffer_ptr_type; /* vbuffers */
- arg_types[3] = LLVMPointerType(LLVMInt32Type(), 0); /* fetch_elts * */
- arg_types[4] = LLVMInt32Type(); /* fetch_count */
- arg_types[5] = LLVMInt32Type(); /* stride */
- arg_types[6] = llvm->vb_ptr_type; /* pipe_vertex_buffer's */
- arg_types[7] = LLVMInt32Type(); /* instance_id */
-
- func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0);
-
- variant->function_elts = LLVMAddFunction(llvm->module, "draw_llvm_shader_elts",
- func_type);
- LLVMSetFunctionCallConv(variant->function_elts, LLVMCCallConv);
- for(i = 0; i < Elements(arg_types); ++i)
- if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind)
- LLVMAddAttribute(LLVMGetParam(variant->function_elts, i),
+ LLVMValueRef ret, ret_ptr;
+ const boolean bypass_viewport = variant->key.bypass_viewport;
+ const boolean enable_cliptest = variant->key.clip_xy ||
+ variant->key.clip_z ||
+ variant->key.clip_user;
+ LLVMValueRef variant_func;
+ const unsigned pos = draw_current_shader_position_output(llvm->draw);
+ const unsigned cv = draw_current_shader_clipvertex_output(llvm->draw);
+ boolean have_clipdist = FALSE;
+ struct lp_bld_tgsi_system_values system_values;
+
+ memset(&system_values, 0, sizeof(system_values));
+
+ arg_types[0] = get_context_ptr_type(llvm); /* context */
+ arg_types[1] = get_vertex_header_ptr_type(llvm); /* vertex_header */
+ arg_types[2] = get_buffer_ptr_type(llvm); /* vbuffers */
+ if (elts)
+ arg_types[3] = LLVMPointerType(int32_type, 0);/* fetch_elts * */
+ else
+ arg_types[3] = int32_type; /* start */
+ arg_types[4] = int32_type; /* fetch_count / count */
+ arg_types[5] = int32_type; /* stride */
+ arg_types[6] = get_vb_ptr_type(llvm); /* pipe_vertex_buffer's */
+ arg_types[7] = int32_type; /* instance_id */
+
+ func_type = LLVMFunctionType(int32_type, arg_types, Elements(arg_types), 0);
+
+ variant_func = LLVMAddFunction(gallivm->module,
+ elts ? "draw_llvm_shader_elts" : "draw_llvm_shader",
+ func_type);
+
+ if (elts)
+ variant->function_elts = variant_func;
+ else
+ variant->function = variant_func;
+
+ LLVMSetFunctionCallConv(variant_func, LLVMCCallConv);
+ for (i = 0; i < Elements(arg_types); ++i)
+ if (LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind)
+ LLVMAddAttribute(LLVMGetParam(variant_func, i),
LLVMNoAliasAttribute);
- context_ptr = LLVMGetParam(variant->function_elts, 0);
- io_ptr = LLVMGetParam(variant->function_elts, 1);
- vbuffers_ptr = LLVMGetParam(variant->function_elts, 2);
- fetch_elts = LLVMGetParam(variant->function_elts, 3);
- fetch_count = LLVMGetParam(variant->function_elts, 4);
- stride = LLVMGetParam(variant->function_elts, 5);
- vb_ptr = LLVMGetParam(variant->function_elts, 6);
- instance_id = LLVMGetParam(variant->function_elts, 7);
+ context_ptr = LLVMGetParam(variant_func, 0);
+ io_ptr = LLVMGetParam(variant_func, 1);
+ vbuffers_ptr = LLVMGetParam(variant_func, 2);
+ stride = LLVMGetParam(variant_func, 5);
+ vb_ptr = LLVMGetParam(variant_func, 6);
+ system_values.instance_id = LLVMGetParam(variant_func, 7);
lp_build_name(context_ptr, "context");
lp_build_name(io_ptr, "io");
lp_build_name(vbuffers_ptr, "vbuffers");
- lp_build_name(fetch_elts, "fetch_elts");
- lp_build_name(fetch_count, "fetch_count");
lp_build_name(stride, "stride");
lp_build_name(vb_ptr, "vb");
- lp_build_name(instance_id, "instance_id");
+ lp_build_name(system_values.instance_id, "instance_id");
+
+ if (elts) {
+ fetch_elts = LLVMGetParam(variant_func, 3);
+ fetch_count = LLVMGetParam(variant_func, 4);
+ lp_build_name(fetch_elts, "fetch_elts");
+ lp_build_name(fetch_count, "fetch_count");
+ start = count = NULL;
+ }
+ else {
+ start = LLVMGetParam(variant_func, 3);
+ count = LLVMGetParam(variant_func, 4);
+ lp_build_name(start, "start");
+ lp_build_name(count, "count");
+ fetch_elts = fetch_count = NULL;
+ }
/*
* Function body
*/
- block = LLVMAppendBasicBlock(variant->function_elts, "entry");
- builder = LLVMCreateBuilder();
+ block = LLVMAppendBasicBlockInContext(gallivm->context, variant_func, "entry");
+ builder = gallivm->builder;
LLVMPositionBuilderAtEnd(builder, block);
- lp_build_context_init(&bld, builder, lp_type_int(32));
+ lp_build_context_init(&bld, gallivm, lp_type_int(32));
- step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0);
+ /* function will return non-zero i32 value if any clipped vertices */
+ ret_ptr = lp_build_alloca(gallivm, int32_type, "");
+ LLVMBuildStore(builder, zero, ret_ptr);
/* code generated texture sampling */
- sampler = draw_llvm_sampler_soa_create(variant->key.sampler,
- context_ptr);
+ sampler = draw_llvm_sampler_soa_create(
+ draw_llvm_variant_key_samplers(&variant->key),
+ context_ptr);
+
+ if (elts) {
+ start = zero;
+ end = fetch_count;
+ }
+ else {
+ end = lp_build_add(&bld, start, count);
+ }
+
+ step = lp_build_const_int32(gallivm, max_vertices);
- fetch_max = LLVMBuildSub(builder, fetch_count,
- LLVMConstInt(LLVMInt32Type(), 1, 0),
- "fetch_max");
+ fetch_max = LLVMBuildSub(builder, end, one, "fetch_max");
- lp_build_loop_begin(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), &lp_loop);
+ lp_build_loop_begin(&lp_loop, gallivm, start);
{
- LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS];
- LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS] = { { 0 } };
+ LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS];
+ LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS] = { { 0 } };
LLVMValueRef io;
- const LLVMValueRef (*ptr_aos)[NUM_CHANNELS];
+ LLVMValueRef clipmask; /* holds the clipmask value */
+ const LLVMValueRef (*ptr_aos)[TGSI_NUM_CHANNELS];
+
+ if (elts)
+ io_itr = lp_loop.counter;
+ else
+ io_itr = LLVMBuildSub(builder, lp_loop.counter, start, "");
- io_itr = lp_loop.counter;
io = LLVMBuildGEP(builder, io_ptr, &io_itr, 1, "");
#if DEBUG_STORE
lp_build_printf(builder, " --- io %d = %p, loop counter %d\n",
io_itr, io, lp_loop.counter);
#endif
- for (i = 0; i < NUM_CHANNELS; ++i) {
- LLVMValueRef true_index = LLVMBuildAdd(
- builder,
- lp_loop.counter,
- LLVMConstInt(LLVMInt32Type(), i, 0), "");
- LLVMValueRef fetch_ptr;
+ system_values.vertex_id = lp_build_zero(gallivm, lp_type_uint_vec(32));
+ for (i = 0; i < TGSI_NUM_CHANNELS; ++i) {
+ LLVMValueRef true_index =
+ LLVMBuildAdd(builder,
+ lp_loop.counter,
+ lp_build_const_int32(gallivm, i), "");
/* make sure we're not out of bounds which can happen
* if fetch_count % 4 != 0, because on the last iteration
* a few of the 4 vertex fetches will be out of bounds */
true_index = lp_build_min(&bld, true_index, fetch_max);
- fetch_ptr = LLVMBuildGEP(builder, fetch_elts,
- &true_index, 1, "");
- true_index = LLVMBuildLoad(builder, fetch_ptr, "fetch_elt");
+ if (elts) {
+ LLVMValueRef fetch_ptr;
+ fetch_ptr = LLVMBuildGEP(builder, fetch_elts,
+ &true_index, 1, "");
+ true_index = LLVMBuildLoad(builder, fetch_ptr, "fetch_elt");
+ }
+
+ system_values.vertex_id = LLVMBuildInsertElement(gallivm->builder,
+ system_values.vertex_id, true_index,
+ lp_build_const_int32(gallivm, i), "");
for (j = 0; j < draw->pt.nr_vertex_elements; ++j) {
struct pipe_vertex_element *velem = &draw->pt.vertex_element[j];
- LLVMValueRef vb_index = LLVMConstInt(LLVMInt32Type(),
- velem->vertex_buffer_index,
- 0);
- LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr,
- &vb_index, 1, "");
- generate_fetch(builder, vbuffers_ptr,
+ LLVMValueRef vb_index =
+ lp_build_const_int32(gallivm, velem->vertex_buffer_index);
+ LLVMValueRef vb = LLVMBuildGEP(builder, vb_ptr, &vb_index, 1, "");
+ generate_fetch(gallivm, vbuffers_ptr,
&aos_attribs[j][i], velem, vb, true_index,
- instance_id);
+ system_values.instance_id);
}
}
- convert_to_soa(builder, aos_attribs, inputs,
+ convert_to_soa(gallivm, aos_attribs, inputs,
draw->pt.nr_vertex_elements);
- ptr_aos = (const LLVMValueRef (*)[NUM_CHANNELS]) inputs;
+ ptr_aos = (const LLVMValueRef (*)[TGSI_NUM_CHANNELS]) inputs;
generate_vs(llvm,
builder,
outputs,
ptr_aos,
+ &system_values,
context_ptr,
- sampler);
+ sampler,
+ variant->key.clamp_vertex_color);
+
+ /* store original positions in clip before further manipulation */
+ store_clip(gallivm, io, outputs, 0, cv);
+ store_clip(gallivm, io, outputs, 1, pos);
+
+ /* do cliptest */
+ if (enable_cliptest) {
+ /* allocate clipmask, assign it integer type */
+ clipmask = generate_clipmask(llvm, outputs,
+ variant->key.clip_xy,
+ variant->key.clip_z,
+ variant->key.clip_user,
+ variant->key.clip_halfz,
+ variant->key.ucp_enable,
+ context_ptr, &have_clipdist);
+ /* return clipping boolean value for function */
+ clipmask_bool(gallivm, clipmask, ret_ptr);
+ }
+ else {
+ clipmask = lp_build_const_int_vec(gallivm, lp_type_int_vec(32), 0);
+ }
+
+ /* do viewport mapping */
+ if (!bypass_viewport) {
+ generate_viewport(llvm, builder, outputs, context_ptr);
+ }
- convert_to_aos(builder, io, outputs,
- draw->vs.vertex_shader->info.num_outputs,
- max_vertices);
+ /* store clipmask in vertex header,
+ * original positions in clip
+ * and transformed positions in data
+ */
+ convert_to_aos(gallivm, io, outputs, clipmask,
+ vs_info->num_outputs, max_vertices, have_clipdist);
}
- lp_build_loop_end_cond(builder, fetch_count, step, LLVMIntUGE, &lp_loop);
-
- sampler->destroy(sampler);
-#ifdef PIPE_ARCH_X86
- /* Avoid corrupting the FPU stack on 32bit OSes. */
- lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0);
-#endif
+ lp_build_loop_end_cond(&lp_loop, end, step, LLVMIntUGE);
- LLVMBuildRetVoid(builder);
+ sampler->destroy(sampler);
- LLVMDisposeBuilder(builder);
+ ret = LLVMBuildLoad(builder, ret_ptr, "");
+ LLVMBuildRet(builder, ret);
/*
* Translate the LLVM IR into machine code.
*/
#ifdef DEBUG
- if(LLVMVerifyFunction(variant->function_elts, LLVMPrintMessageAction)) {
- lp_debug_dump_value(variant->function_elts);
+ if (LLVMVerifyFunction(variant_func, LLVMPrintMessageAction)) {
+ lp_debug_dump_value(variant_func);
assert(0);
}
#endif
- LLVMRunFunctionPassManager(llvm->pass, variant->function_elts);
+ LLVMRunFunctionPassManager(gallivm->passmgr, variant_func);
if (gallivm_debug & GALLIVM_DEBUG_IR) {
- lp_debug_dump_value(variant->function_elts);
+ lp_debug_dump_value(variant_func);
debug_printf("\n");
}
- code = LLVMGetPointerToGlobal(llvm->draw->engine, variant->function_elts);
- variant->jit_func_elts = (draw_jit_vert_func_elts)pointer_to_func(code);
+ code = LLVMGetPointerToGlobal(gallivm->engine, variant_func);
+ if (elts)
+ variant->jit_func_elts = (draw_jit_vert_func_elts) pointer_to_func(code);
+ else
+ variant->jit_func = (draw_jit_vert_func) pointer_to_func(code);
if (gallivm_debug & GALLIVM_DEBUG_ASM) {
lp_disassemble(code);
}
- lp_func_delete_body(variant->function_elts);
+ lp_func_delete_body(variant_func);
}
-void
-draw_llvm_make_variant_key(struct draw_llvm *llvm,
- struct draw_llvm_variant_key *key)
+
+struct draw_llvm_variant_key *
+draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store)
{
unsigned i;
+ struct draw_llvm_variant_key *key;
+ struct lp_sampler_static_state *sampler;
- memset(key, 0, sizeof(struct draw_llvm_variant_key));
+ key = (struct draw_llvm_variant_key *)store;
+ key->clamp_vertex_color = llvm->draw->rasterizer->clamp_vertex_color; /**/
+
+ /* Presumably all variants of the shader should have the same
+ * number of vertex elements - ie the number of shader inputs.
+ */
key->nr_vertex_elements = llvm->draw->pt.nr_vertex_elements;
+ /* will have to rig this up properly later */
+ key->clip_xy = llvm->draw->clip_xy;
+ key->clip_z = llvm->draw->clip_z;
+ key->clip_user = llvm->draw->clip_user;
+ key->bypass_viewport = llvm->draw->identity_viewport;
+ key->clip_halfz = !llvm->draw->rasterizer->gl_rasterization_rules;
+ key->need_edgeflags = (llvm->draw->vs.edgeflag_output ? TRUE : FALSE);
+ key->ucp_enable = llvm->draw->rasterizer->clip_plane_enable;
+ key->pad = 0;
+
+ /* All variants of this shader will have the same value for
+ * nr_samplers. Not yet trying to compact away holes in the
+ * sampler array.
+ */
+ key->nr_samplers = llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_SAMPLER] + 1;
+
+ sampler = draw_llvm_variant_key_samplers(key);
+
memcpy(key->vertex_element,
llvm->draw->pt.vertex_element,
sizeof(struct pipe_vertex_element) * key->nr_vertex_elements);
+
+ memset(sampler, 0, key->nr_samplers * sizeof *sampler);
- memcpy(&key->vs,
- &llvm->draw->vs.vertex_shader->state,
- sizeof(struct pipe_shader_state));
-
- /* if the driver implemented the sampling hooks then
- * setup our sampling state */
- if (llvm->draw->num_sampler_views && llvm->draw->num_samplers) {
- for(i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) {
- struct draw_vertex_shader *shader = llvm->draw->vs.vertex_shader;
- if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i))
- lp_sampler_static_state(&key->sampler[i],
- llvm->draw->sampler_views[i],
- llvm->draw->samplers[i]);
- }
+ for (i = 0 ; i < key->nr_samplers; i++) {
+ lp_sampler_static_state(&sampler[i],
+ llvm->draw->sampler_views[i],
+ llvm->draw->samplers[i]);
}
+
+ return key;
}
+
void
draw_llvm_set_mapped_texture(struct draw_context *draw,
unsigned sampler_idx,
uint32_t width, uint32_t height, uint32_t depth,
- uint32_t last_level,
- uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS],
- uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS],
- const void *data[DRAW_MAX_TEXTURE_LEVELS])
+ uint32_t first_level, uint32_t last_level,
+ uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS],
+ uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS],
+ const void *data[PIPE_MAX_TEXTURE_LEVELS])
{
unsigned j;
struct draw_jit_texture *jit_tex;
assert(sampler_idx < PIPE_MAX_VERTEX_SAMPLERS);
-
jit_tex = &draw->llvm->jit_context.textures[sampler_idx];
jit_tex->width = width;
jit_tex->height = height;
jit_tex->depth = depth;
+ jit_tex->first_level = first_level;
jit_tex->last_level = last_level;
- for (j = 0; j <= last_level; j++) {
+ for (j = first_level; j <= last_level; j++) {
jit_tex->data[j] = data[j];
jit_tex->row_stride[j] = row_stride[j];
jit_tex->img_stride[j] = img_stride[j];
}
}
+
+void
+draw_llvm_set_sampler_state(struct draw_context *draw)
+{
+ unsigned i;
+
+ for (i = 0; i < draw->num_samplers; i++) {
+ struct draw_jit_texture *jit_tex = &draw->llvm->jit_context.textures[i];
+
+ if (draw->samplers[i]) {
+ jit_tex->min_lod = draw->samplers[i]->min_lod;
+ jit_tex->max_lod = draw->samplers[i]->max_lod;
+ jit_tex->lod_bias = draw->samplers[i]->lod_bias;
+ COPY_4V(jit_tex->border_color, draw->samplers[i]->border_color.f);
+ }
+ }
+}
+
+
void
draw_llvm_destroy_variant(struct draw_llvm_variant *variant)
{
struct draw_llvm *llvm = variant->llvm;
- struct draw_context *draw = llvm->draw;
if (variant->function_elts) {
- if (variant->function_elts)
- LLVMFreeMachineCodeForFunction(draw->engine,
- variant->function_elts);
+ LLVMFreeMachineCodeForFunction(llvm->gallivm->engine,
+ variant->function_elts);
LLVMDeleteFunction(variant->function_elts);
}
if (variant->function) {
- if (variant->function)
- LLVMFreeMachineCodeForFunction(draw->engine,
- variant->function);
+ LLVMFreeMachineCodeForFunction(llvm->gallivm->engine,
+ variant->function);
LLVMDeleteFunction(variant->function);
}
projects / mesa.git / blobdiff