draw llvmpipe: lots of fixes for fetch/emit

the values passed are still not right, but the general scheme
is looking good.

4 files changed, 160 insertions, 170 deletions

diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index 6b0ddfd064..91fe838b8b 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -114,6 +114,10 @@ init_globals(struct draw_llvm *llvm)
 
       llvm->context_ptr_type = LLVMPointerType(context_type, 0);
    }
+   {
+      LLVMTypeRef buffer_ptr = LLVMPointerType(LLVMOpaqueType(), 0);
+      llvm->buffer_ptr_type = LLVMArrayType(buffer_ptr, PIPE_MAX_ATTRIBS);
+   }
 }
 
 struct draw_llvm *
@@ -171,6 +175,7 @@ draw_llvm_destroy(struct draw_llvm *llvm)
 void
 draw_llvm_prepare(struct draw_llvm *llvm)
 {
+   draw_llvm_generate(llvm);
 }
 
 
@@ -194,14 +199,14 @@ fail:
 static void
 generate_vs(struct draw_llvm *llvm,
             LLVMBuilderRef builder,
+            LLVMValueRef (*outputs)[NUM_CHANNELS],
+            const LLVMValueRef (*inputs)[NUM_CHANNELS],
             LLVMValueRef context_ptr,
             LLVMValueRef io)
 {
    const struct tgsi_token *tokens = llvm->draw->vs.vertex_shader->state.tokens;
    struct lp_type vs_type = lp_type_float(32);
    LLVMValueRef vs_consts;
-   const LLVMValueRef (*inputs)[NUM_CHANNELS];
-   LLVMValueRef (*outputs)[NUM_CHANNELS];
 
    lp_build_tgsi_soa(builder,
                      tokens,
@@ -214,28 +219,129 @@ generate_vs(struct draw_llvm *llvm,
                      NULL/*sampler*/);
 }
 
+static void
+generate_fetch(LLVMBuilderRef builder,
+               const LLVMValueRef vbuffers_ptr,
+               LLVMValueRef *res,
+               struct pipe_vertex_element *velem,
+               struct pipe_vertex_buffer *vbuf,
+               LLVMValueRef index)
+{
+   LLVMValueRef indices = LLVMConstInt(LLVMInt32Type(),
+                                       velem->vertex_buffer_index, 0);
+   LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr,
+                                           &indices, 1, "");
+   LLVMValueRef stride = LLVMBuildMul(builder,
+                                      LLVMConstInt(LLVMInt32Type(), vbuf->stride, 0),
+                                      index, "");
+   stride = LLVMBuildAdd(builder, stride,
+                         LLVMConstInt(LLVMInt32Type(), vbuf->buffer_offset, 0),
+                         "");
+   stride = LLVMBuildAdd(builder, stride,
+                         LLVMConstInt(LLVMInt32Type(), velem->src_offset, 0),
+                         "");
+
+   vbuffer_ptr = LLVMBuildGEP(builder, vbuffer_ptr, &stride, 1, "");
+
+   *res = draw_llvm_translate_from(builder, vbuffer_ptr, velem->src_format);
+}
+
+static LLVMValueRef
+aos_to_soa(LLVMBuilderRef builder,
+           LLVMValueRef val0,
+           LLVMValueRef val1,
+           LLVMValueRef val2,
+           LLVMValueRef val3,
+           LLVMValueRef channel)
+{
+   LLVMValueRef ex, res;
+
+   ex = LLVMBuildExtractElement(builder, val0,
+                                channel, "");
+   res = LLVMBuildInsertElement(builder,
+                                LLVMConstNull(LLVMTypeOf(val0)),
+                                ex,
+                                LLVMConstInt(LLVMInt32Type(), 0, 0),
+                                "");
+
+   ex = LLVMBuildExtractElement(builder, val1,
+                                channel, "");
+   res = LLVMBuildInsertElement(builder,
+                                res, ex,
+                                LLVMConstInt(LLVMInt32Type(), 1, 0),
+                                "");
+
+   ex = LLVMBuildExtractElement(builder, val2,
+                                channel, "");
+   res = LLVMBuildInsertElement(builder,
+                                res, ex,
+                                LLVMConstInt(LLVMInt32Type(), 2, 0),
+                                "");
+
+   ex = LLVMBuildExtractElement(builder, val3,
+                                channel, "");
+   res = LLVMBuildInsertElement(builder,
+                                res, ex,
+                                LLVMConstInt(LLVMInt32Type(), 3, 0),
+                                "");
+
+   return res;
+}
+
+static void
+convert_to_soa(LLVMBuilderRef builder,
+               LLVMValueRef (*aos)[NUM_CHANNELS],
+               LLVMValueRef (*soa)[NUM_CHANNELS],
+               int num_attribs)
+{
+   int i;
+
+   debug_assert(NUM_CHANNELS == 4);
+
+   for (i = 0; i < num_attribs; ++i) {
+      LLVMValueRef val0 = aos[i][0];
+      LLVMValueRef val1 = aos[i][1];
+      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));
+
+   }
+}
+
 void
 draw_llvm_generate(struct draw_llvm *llvm)
 {
-   LLVMTypeRef arg_types[5];
+   LLVMTypeRef arg_types[6];
    LLVMTypeRef func_type;
    LLVMValueRef context_ptr;
    LLVMBasicBlockRef block;
    LLVMBuilderRef builder;
    LLVMValueRef function;
    LLVMValueRef start, end, count, stride, step;
-   LLVMValueRef io_ptr;
-   unsigned i;
+   LLVMValueRef io_ptr, vbuffers_ptr;
+   struct draw_context *draw = llvm->draw;
+   unsigned i, j;
    unsigned chan;
    struct lp_build_context bld;
    struct lp_build_loop_state lp_loop;
-   struct lp_type vs_type = lp_type_float(32);
+   struct lp_type vs_type = lp_type_float_vec(32);
+   const int max_vertices = 4;
+   LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS];
 
    arg_types[0] = llvm->context_ptr_type;           /* context */
    arg_types[1] = llvm->vertex_header_ptr_type;     /* vertex_header */
-   arg_types[2] = LLVMInt32Type();                  /* start */
-   arg_types[3] = LLVMInt32Type();                  /* count */
-   arg_types[4] = LLVMInt32Type();                  /* stride */
+   arg_types[2] = llvm->buffer_ptr_type;            /* vbuffers */
+   arg_types[3] = LLVMInt32Type();                  /* start */
+   arg_types[4] = LLVMInt32Type();                  /* count */
+   arg_types[5] = LLVMInt32Type();                  /* stride */
 
    func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0);
 
@@ -247,12 +353,14 @@ draw_llvm_generate(struct draw_llvm *llvm)
 
    context_ptr  = LLVMGetParam(function, 0);
    io_ptr       = LLVMGetParam(function, 1);
-   start        = LLVMGetParam(function, 2);
-   count        = LLVMGetParam(function, 3);
-   stride       = LLVMGetParam(function, 4);
+   vbuffers_ptr = LLVMGetParam(function, 2);
+   start        = LLVMGetParam(function, 3);
+   count        = LLVMGetParam(function, 4);
+   stride       = LLVMGetParam(function, 5);
 
    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");
@@ -269,13 +377,34 @@ draw_llvm_generate(struct draw_llvm *llvm)
 
    end = lp_build_add(&bld, start, count);
 
-   step = LLVMConstInt(LLVMInt32Type(), 1, 0);
+   step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0);
    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];
       LLVMValueRef io = LLVMBuildGEP(builder, io_ptr, &lp_loop.counter, 1, "");
 
+      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];
+            struct pipe_vertex_buffer *vbuf = &draw->pt.vertex_buffer[
+               velem->vertex_buffer_index];
+
+            generate_fetch(builder, vbuffers_ptr,
+                           &aos_attribs[j][i], velem, vbuf, true_index);
+         }
+      }
+      convert_to_soa(builder, inputs, aos_attribs,
+                     draw->pt.nr_vertex_elements);
+
       generate_vs(llvm,
                   builder,
+                  outputs,
+                  inputs,
                   context_ptr,
                   io);
    }
diff --git a/src/gallium/auxiliary/draw/draw_llvm.h b/src/gallium/auxiliary/draw/draw_llvm.h
index 0a1845f1fb..cbbfeeccc5 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.h
+++ b/src/gallium/auxiliary/draw/draw_llvm.h
@@ -78,12 +78,12 @@ struct draw_jit_context
    const float *gs_constants;
 
    struct draw_jit_texture textures[PIPE_MAX_SAMPLERS];
-   const void *vbuffers;
 };
 
 void
 draw_shader(struct draw_jit_context *context,
             struct vertex_header *io,
+            const void *vbuffers[PIPE_MAX_ATTRIBS],
             unsigned start,
             unsigned count,
             unsigned stride)
@@ -115,6 +115,7 @@ draw_shader(struct draw_jit_context *context,
 typedef void
 (*draw_jit_vert_func)(struct draw_jit_context *context,
                       struct vertex_header *io,
+                      const void *vbuffers[PIPE_MAX_ATTRIBS],
                       unsigned start,
                       unsigned count,
                       unsigned stride);
@@ -134,6 +135,7 @@ struct draw_llvm {
 
    LLVMTypeRef context_ptr_type;
    LLVMTypeRef vertex_header_ptr_type;
+   LLVMTypeRef buffer_ptr_type;
 };
 
 
@@ -150,5 +152,9 @@ draw_llvm_prepare(struct draw_llvm *llvm);
 void
 draw_llvm_generate(struct draw_llvm *llvm);
 
+LLVMValueRef
+draw_llvm_translate_from(LLVMBuilderRef builder,
+                         LLVMValueRef vbuffer,
+                         enum pipe_format from_format);
 
 #endif
diff --git a/src/gallium/auxiliary/draw/draw_llvm_translate.c b/src/gallium/auxiliary/draw/draw_llvm_translate.c
index 588e97b29c..012ca3f6f0 100644
--- a/src/gallium/auxiliary/draw/draw_llvm_translate.c
+++ b/src/gallium/auxiliary/draw/draw_llvm_translate.c
@@ -492,162 +492,17 @@ struct draw_llvm_translate {
    {PIPE_FORMAT_B8G8R8A8_UNORM, from_8_unorm, to_8_unorm, LLVMIntType(), 4},
 };
 
-/**
- * Fetch vertex attributes for 'count' vertices.
- */
-static void PIPE_CDECL generic_run_elts( struct translate *translate,
-                                         const unsigned *elts,
-                                         unsigned count,
-                                         unsigned instance_id,
-                                         void *output_buffer )
-{
-   struct translate_generic *tg = translate_generic(translate);
-   char *vert = output_buffer;
-   unsigned nr_attrs = tg->nr_attrib;
-   unsigned attr;
-   unsigned i;
-
-   /* loop over vertex attributes (vertex shader inputs)
-    */
-   for (i = 0; i < count; i++) {
-      unsigned elt = *elts++;
-
-      for (attr = 0; attr < nr_attrs; attr++) {
-	 float data[4];
-         const char *src;
-
-	 char *dst = (vert +
-		      tg->attrib[attr].output_offset);
-
-         if (tg->attrib[attr].instance_divisor) {
-            src = tg->attrib[attr].input_ptr +
-                  tg->attrib[attr].input_stride *
-                  (instance_id / tg->attrib[attr].instance_divisor);
-         } else {
-            src = tg->attrib[attr].input_ptr +
-                  tg->attrib[attr].input_stride * elt;
-         }
-
-	 tg->attrib[attr].fetch( src, data );
-
-         if (0) debug_printf("vert %d/%d attr %d: %f %f %f %f\n",
-                             i, elt, attr, data[0], data[1], data[2], data[3]);
-
-	 tg->attrib[attr].emit( data, dst );
-      }
-
-      vert += tg->translate.key.output_stride;
-   }
-}
 
-
-
-static void PIPE_CDECL generic_run( struct translate *translate,
-                                    unsigned start,
-                                    unsigned count,
-                                    unsigned instance_id,
-                                    void *output_buffer )
+LLVMValueRef
+draw_llvm_translate_from(LLVMBuilderRef builder,
+                         LLVMValueRef vbuffer,
+                         enum pipe_format from_format)
 {
-   struct translate_generic *tg = translate_generic(translate);
-   char *vert = output_buffer;
-   unsigned nr_attrs = tg->nr_attrib;
-   unsigned attr;
-   unsigned i;
-
-   /* loop over vertex attributes (vertex shader inputs)
-    */
-   for (i = 0; i < count; i++) {
-      unsigned elt = start + i;
-
-      for (attr = 0; attr < nr_attrs; attr++) {
-	 float data[4];
-
-	 char *dst = (vert +
-		      tg->attrib[attr].output_offset);
-
-         if (tg->attrib[attr].type == TRANSLATE_ELEMENT_NORMAL) {
-            const char *src;
-
-            if (tg->attrib[attr].instance_divisor) {
-               src = tg->attrib[attr].input_ptr +
-                     tg->attrib[attr].input_stride *
-                     (instance_id / tg->attrib[attr].instance_divisor);
-            } else {
-               src = tg->attrib[attr].input_ptr +
-                     tg->attrib[attr].input_stride * elt;
-            }
-
-            tg->attrib[attr].fetch( src, data );
-         } else {
-            data[0] = (float)instance_id;
-         }
-
-         if (0) debug_printf("vert %d attr %d: %f %f %f %f\n",
-                             i, attr, data[0], data[1], data[2], data[3]);
-
-	 tg->attrib[attr].emit( data, dst );
-      }
-
-      vert += tg->translate.key.output_stride;
-   }
-}
-
-
-
-static void generic_set_buffer( struct translate *translate,
-				unsigned buf,
-				const void *ptr,
-				unsigned stride )
-{
-   struct translate_generic *tg = translate_generic(translate);
-   unsigned i;
-
-   for (i = 0; i < tg->nr_attrib; i++) {
-      if (tg->attrib[i].buffer == buf) {
-	 tg->attrib[i].input_ptr = ((char *)ptr +
-				    tg->attrib[i].input_offset);
-	 tg->attrib[i].input_stride = stride;
+   int i;
+   for (i = 0; i < Elements(translates); ++i) {
+      if (translates[i].format == from_format) {
+         return translates.from_func(builder, vbuffer, from_format);
       }
    }
-}
-
-
-static void generic_release( struct translate *translate )
-{
-   /* Refcount?
-    */
-   FREE(translate);
-}
-
-struct translate *translate_generic_create( const struct translate_key *key )
-{
-   struct translate_generic *tg = CALLOC_STRUCT(translate_generic);
-   unsigned i;
-
-   if (tg == NULL)
-      return NULL;
-
-   tg->translate.key = *key;
-   tg->translate.release = generic_release;
-   tg->translate.set_buffer = generic_set_buffer;
-   tg->translate.run_elts = generic_run_elts;
-   tg->translate.run = generic_run;
-
-   for (i = 0; i < key->nr_elements; i++) {
-      tg->attrib[i].type = key->element[i].type;
-
-      tg->attrib[i].fetch = get_fetch_func(key->element[i].input_format);
-      tg->attrib[i].buffer = key->element[i].input_buffer;
-      tg->attrib[i].input_offset = key->element[i].input_offset;
-      tg->attrib[i].instance_divisor = key->element[i].instance_divisor;
-
-      tg->attrib[i].emit = get_emit_func(key->element[i].output_format);
-      tg->attrib[i].output_offset = key->element[i].output_offset;
-
-   }
-
-   tg->nr_attrib = key->nr_elements;
-
-
-   return &tg->translate;
+   return LLVMGetUndef(LLVMTypeOf(vbuffer));
 }
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
index ae5956333e..38b1c4462d 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c
@@ -110,8 +110,7 @@ llvm_middle_end_prepare( struct draw_pt_middle_end *middle,
     */
    draw_pt_post_vs_prepare( fpme->post_vs,
 			    (boolean)draw->bypass_clipping,
-			    (boolean)(draw->identity_viewport ||
-			    draw->rasterizer->bypass_vs_clip_and_viewport),
+			    (boolean)(draw->identity_viewport),
 			    (boolean)draw->rasterizer->gl_rasterization_rules,
 			    (draw->vs.edgeflag_output ? true : false) );
 
@@ -242,6 +241,7 @@ static void llvm_middle_end_linear_run( struct draw_pt_middle_end *middle,
 
    fpme->llvm->jit_func( &fpme->llvm->jit_context,
                          pipeline_verts,
+                         draw->pt.user.vbuffer,
                          start,
                          count,
                          fpme->vertex_size );