mesa: Remove unnecessary headers from fbobject.c.

[mesa.git] / src / mesa / main / dlist.c

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index c1890bcbc9f13a91fc0f16c17215369579b146df..b692c335a73f5e8c1f932636189274c1794bbdf0 100644 (file)
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1,8 +1,9 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.1
+ * Version:  7.7
  *
- * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -91,6 +92,33 @@
 #include "glapi/dispatch.h"
 
 
+
+/**
+ * Other parts of Mesa (such as the VBO module) can plug into the display
+ * list system.  This structure describes new display list instructions.
+ */
+struct gl_list_instruction
+{
+   GLuint Size;
+   void (*Execute)( GLcontext *ctx, void *data );
+   void (*Destroy)( GLcontext *ctx, void *data );
+   void (*Print)( GLcontext *ctx, void *data );
+};
+
+
+#define MAX_DLIST_EXT_OPCODES 16
+
+/**
+ * Used by device drivers to hook new commands into display lists.
+ */
+struct gl_list_extensions
+{
+   struct gl_list_instruction Opcode[MAX_DLIST_EXT_OPCODES];
+   GLuint NumOpcodes;
+};
+
+
+
 /**
  * Flush vertices.
  *
@@ -477,6 +505,49 @@ lookup_list(GLcontext *ctx, GLuint list)
 }
 
 
+/** Is the given opcode an extension code? */
+static INLINE GLboolean
+is_ext_opcode(OpCode opcode)
+{
+   return (opcode >= OPCODE_EXT_0);
+}
+
+
+/** Destroy an extended opcode instruction */
+static GLint
+ext_opcode_destroy(GLcontext *ctx, Node *node)
+{
+   const GLint i = node[0].opcode - OPCODE_EXT_0;
+   GLint step;
+   ctx->ListExt->Opcode[i].Destroy(ctx, &node[1]);
+   step = ctx->ListExt->Opcode[i].Size;
+   return step;
+}
+
+
+/** Execute an extended opcode instruction */
+static GLint
+ext_opcode_execute(GLcontext *ctx, Node *node)
+{
+   const GLint i = node[0].opcode - OPCODE_EXT_0;
+   GLint step;
+   ctx->ListExt->Opcode[i].Execute(ctx, &node[1]);
+   step = ctx->ListExt->Opcode[i].Size;
+   return step;
+}
+
+
+/** Print an extended opcode instruction */
+static GLint
+ext_opcode_print(GLcontext *ctx, Node *node)
+{
+   const GLint i = node[0].opcode - OPCODE_EXT_0;
+   GLint step;
+   ctx->ListExt->Opcode[i].Print(ctx, &node[1]);
+   step = ctx->ListExt->Opcode[i].Size;
+   return step;
+}
+
 
 /**
  * Delete the named display list, but don't remove from hash table.
@@ -492,16 +563,14 @@ _mesa_delete_list(GLcontext *ctx, struct gl_display_list *dlist)
 
    done = block ? GL_FALSE : GL_TRUE;
    while (!done) {
+      const OpCode opcode = n[0].opcode;
 
       /* check for extension opcodes first */
-
-      GLint i = (GLint) n[0].opcode - (GLint) OPCODE_EXT_0;
-      if (i >= 0 && i < (GLint) ctx->ListExt.NumOpcodes) {
-         ctx->ListExt.Opcode[i].Destroy(ctx, &n[1]);
-         n += ctx->ListExt.Opcode[i].Size;
+      if (is_ext_opcode(opcode)) {
+         n += ext_opcode_destroy(ctx, n);
       }
       else {
-         switch (n[0].opcode) {
+         switch (opcode) {
             /* for some commands, we need to free malloc'd memory */
          case OPCODE_MAP1:
             _mesa_free(n[6].data);
@@ -873,13 +942,13 @@ _mesa_dlist_alloc_opcode(GLcontext *ctx,
                          void (*destroy) (GLcontext *, void *),
                          void (*print) (GLcontext *, void *))
 {
-   if (ctx->ListExt.NumOpcodes < MAX_DLIST_EXT_OPCODES) {
-      const GLuint i = ctx->ListExt.NumOpcodes++;
-      ctx->ListExt.Opcode[i].Size =
+   if (ctx->ListExt->NumOpcodes < MAX_DLIST_EXT_OPCODES) {
+      const GLuint i = ctx->ListExt->NumOpcodes++;
+      ctx->ListExt->Opcode[i].Size =
          1 + (size + sizeof(Node) - 1) / sizeof(Node);
-      ctx->ListExt.Opcode[i].Execute = execute;
-      ctx->ListExt.Opcode[i].Destroy = destroy;
-      ctx->ListExt.Opcode[i].Print = print;
+      ctx->ListExt->Opcode[i].Execute = execute;
+      ctx->ListExt->Opcode[i].Destroy = destroy;
+      ctx->ListExt->Opcode[i].Print = print;
       return i + OPCODE_EXT_0;
    }
    return -1;
@@ -6465,13 +6534,10 @@ execute_list(GLcontext *ctx, GLuint list)
 
    done = GL_FALSE;
    while (!done) {
-      OpCode opcode = n[0].opcode;
-      int i = (int) n[0].opcode - (int) OPCODE_EXT_0;
+      const OpCode opcode = n[0].opcode;
 
-      if (i >= 0 && i < (GLint) ctx->ListExt.NumOpcodes) {
-         /* this is a driver-extended opcode */
-         ctx->ListExt.Opcode[i].Execute(ctx, &n[1]);
-         n += ctx->ListExt.Opcode[i].Size;
+      if (is_ext_opcode(opcode)) {
+         n += ext_opcode_execute(ctx, n);
       }
       else {
          switch (opcode) {
@@ -9065,13 +9131,10 @@ print_list(GLcontext *ctx, GLuint list)
 
    done = n ? GL_FALSE : GL_TRUE;
    while (!done) {
-      OpCode opcode = n[0].opcode;
-      GLint i = (GLint) n[0].opcode - (GLint) OPCODE_EXT_0;
+      const OpCode opcode = n[0].opcode;
 
-      if (i >= 0 && i < (GLint) ctx->ListExt.NumOpcodes) {
-         /* this is a driver-extended opcode */
-         ctx->ListExt.Opcode[i].Print(ctx, &n[1]);
-         n += ctx->ListExt.Opcode[i].Size;
+      if (is_ext_opcode(opcode)) {
+         n += ext_opcode_print(ctx, n);
       }
       else {
          switch (opcode) {
@@ -9449,6 +9512,9 @@ _mesa_init_display_list(GLcontext *ctx)
       tableInitialized = GL_TRUE;
    }
 
+   /* extension info */
+   ctx->ListExt = CALLOC_STRUCT(gl_list_extensions);
+
    /* Display list */
    ctx->ListState.CallDepth = 0;
    ctx->ExecuteFlag = GL_TRUE;
@@ -9463,3 +9529,11 @@ _mesa_init_display_list(GLcontext *ctx)
    _mesa_save_vtxfmt_init(&ctx->ListState.ListVtxfmt);
 #endif
 }
+
+
+void
+_mesa_free_display_list_data(GLcontext *ctx)
+{
+   free(ctx->ListExt);
+   ctx->ListExt = NULL;
+}