gallium: remove pipe_vertex_buffer::max_index

This is redundant to pipe_draw_info::max_index and doesn't really fit
in the optimizations I plan.

6 files changed, 10 insertions, 23 deletions

diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index a73bdd7808..a5217c1d4e 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -214,13 +214,12 @@ static LLVMTypeRef
 create_jit_vertex_buffer_type(struct gallivm_state *gallivm)
 {
    LLVMTargetDataRef target = gallivm->target;
-   LLVMTypeRef elem_types[4];
+   LLVMTypeRef elem_types[3];
    LLVMTypeRef vb_type;
 
    elem_types[0] =
-   elem_types[1] =
-   elem_types[2] = LLVMInt32TypeInContext(gallivm->context);
-   elem_types[3] = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0); /* vs_constants */
+   elem_types[1] = LLVMInt32TypeInContext(gallivm->context);
+   elem_types[2] = LLVMPointerType(LLVMInt8TypeInContext(gallivm->context), 0); /* vs_constants */
 
    vb_type = LLVMStructTypeInContext(gallivm->context, elem_types,
                                      Elements(elem_types), 0);
@@ -229,10 +228,8 @@ create_jit_vertex_buffer_type(struct gallivm_state *gallivm)
 
    LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, stride,
                           target, vb_type, 0);
-   LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, max_index,
-                          target, vb_type, 1);
    LP_CHECK_MEMBER_OFFSET(struct pipe_vertex_buffer, buffer_offset,
-                          target, vb_type, 2);
+                          target, vb_type, 1);
 
    LP_CHECK_STRUCT_SIZE(struct pipe_vertex_buffer, target, vb_type);
 
@@ -513,9 +510,7 @@ generate_fetch(struct gallivm_state *gallivm,
    LLVMValueRef vbuffer_ptr = LLVMBuildGEP(builder, vbuffers_ptr,
                                            &indices, 1, "");
    LLVMValueRef vb_stride = draw_jit_vbuffer_stride(gallivm, vbuf);
-   LLVMValueRef vb_max_index = draw_jit_vbuffer_max_index(gallivm, vbuf);
    LLVMValueRef vb_buffer_offset = draw_jit_vbuffer_offset(gallivm, vbuf);
-   LLVMValueRef cond;
    LLVMValueRef stride;
 
    if (velem->instance_divisor) {
@@ -525,10 +520,6 @@ generate_fetch(struct gallivm_state *gallivm,
                             "instance_divisor");
    }
 
-   /* limit index to min(index, 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");
diff --git a/src/gallium/auxiliary/draw/draw_llvm.h b/src/gallium/auxiliary/draw/draw_llvm.h
index 9f038f1f04..e8623e7bcd 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.h
+++ b/src/gallium/auxiliary/draw/draw_llvm.h
@@ -133,11 +133,8 @@ struct draw_jit_context
 #define draw_jit_vbuffer_stride(_gallivm, _ptr)         \
    lp_build_struct_get(_gallivm, _ptr, 0, "stride")
 
-#define draw_jit_vbuffer_max_index(_gallivm, _ptr)      \
-   lp_build_struct_get(_gallivm, _ptr, 1, "max_index")
-
 #define draw_jit_vbuffer_offset(_gallivm, _ptr)         \
-   lp_build_struct_get(_gallivm, _ptr, 2, "buffer_offset")
+   lp_build_struct_get(_gallivm, _ptr, 1, "buffer_offset")
 
 
 typedef int
diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c
index 4078b2a07d..c3d7e871f7 100644
--- a/src/gallium/auxiliary/draw/draw_pt.c
+++ b/src/gallium/auxiliary/draw/draw_pt.c
@@ -459,10 +459,9 @@ draw_vbo(struct draw_context *draw,
       }
       debug_printf("Buffers:\n");
       for (i = 0; i < draw->pt.nr_vertex_buffers; i++) {
-         debug_printf("  %u: stride=%u maxindex=%u offset=%u ptr=%p\n",
+         debug_printf("  %u: stride=%u offset=%u ptr=%p\n",
                       i,
                       draw->pt.vertex_buffer[i].stride,
-                      draw->pt.vertex_buffer[i].max_index,
                       draw->pt.vertex_buffer[i].buffer_offset,
                       draw->pt.user.vbuffer[i]);
       }
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch.c b/src/gallium/auxiliary/draw/draw_pt_fetch.c
index ae12ee24bd..4fa3b265e1 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch.c
@@ -139,7 +139,7 @@ void draw_pt_fetch_run( struct pt_fetch *fetch,
 			    ((char *)draw->pt.user.vbuffer[i] + 
 			     draw->pt.vertex_buffer[i].buffer_offset),
 			    draw->pt.vertex_buffer[i].stride,
-			    draw->pt.vertex_buffer[i].max_index);
+			    draw->pt.user.max_index);
    }
 
    translate->run_elts( translate,
@@ -166,7 +166,7 @@ void draw_pt_fetch_run_linear( struct pt_fetch *fetch,
 			    ((char *)draw->pt.user.vbuffer[i] +
 			     draw->pt.vertex_buffer[i].buffer_offset),
 			    draw->pt.vertex_buffer[i].stride,
-			    draw->pt.vertex_buffer[i].max_index);
+			    draw->pt.user.max_index);
    }
 
    translate->run( translate,
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c
index e706b7796f..51043102a6 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c
@@ -186,7 +186,7 @@ static void fetch_emit_prepare( struct draw_pt_middle_end *middle,
                                   ((char *)draw->pt.user.vbuffer[i] + 
                                    draw->pt.vertex_buffer[i].buffer_offset),
                                   draw->pt.vertex_buffer[i].stride,
-                                  draw->pt.vertex_buffer[i].max_index);
+                                  draw->pt.user.max_index);
    }
 
    *max_vertices = (draw->render->max_vertex_buffer_bytes / 
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
index c98fb3d520..1e926fb028 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
@@ -169,7 +169,7 @@ static void fse_prepare( struct draw_pt_middle_end *middle,
                                ((const ubyte *) draw->pt.user.vbuffer[i] + 
                                 draw->pt.vertex_buffer[i].buffer_offset),
                               draw->pt.vertex_buffer[i].stride,
-                              draw->pt.vertex_buffer[i].max_index );
+                              draw->pt.user.max_index );
    }
 
    *max_vertices = (draw->render->max_vertex_buffer_bytes /