From 2525bc7d305f6dcab3beb75535da25a488c969b0 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 30 Jun 2002 15:47:00 +0000
Subject: Implemented GL_EXT_multi_draw_arrays: glMultiDrawArraysEXT() and
 glMultiDrawElementsEXT().

---
 src/mesa/main/dlist.c   | 26 +++++++++++++++++++++++++-
 src/mesa/main/glprocs.h |  2 ++
 src/mesa/main/state.c   |  6 +++++-
 src/mesa/main/varray.c  | 40 +++++++++++++++++++++++++++++++++++++++-
 src/mesa/main/varray.h  | 11 ++++++++++-
 5 files changed, 81 insertions(+), 4 deletions(-)

(limited to 'src/mesa/main')

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 1409f0ee42..07687e4dab 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1,4 +1,4 @@
-/* $Id: dlist.c,v 1.91 2002/06/29 19:48:15 brianp Exp $ */
+/* $Id: dlist.c,v 1.92 2002/06/30 15:47:00 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -5725,6 +5725,26 @@ static void exec_FogCoordPointerEXT(GLenum type, GLsizei stride,
    ctx->Exec->FogCoordPointerEXT( type, stride, ptr);
 }
 
+/* GL_EXT_multi_draw_arrays */
+static void exec_MultiDrawArraysEXT(GLenum mode, GLint *first,
+                                    GLsizei *count, GLsizei primcount)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   FLUSH_VERTICES(ctx, 0);
+   ctx->Exec->MultiDrawArraysEXT( mode, first, count, primcount );
+}
+
+/* GL_EXT_multi_draw_arrays */
+static void exec_MultiDrawElementsEXT(GLenum mode, const GLsizei *count,
+                                      GLenum type, const GLvoid **indices,
+                                      GLsizei primcount)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   FLUSH_VERTICES(ctx, 0);
+   ctx->Exec->MultiDrawElementsEXT(mode, count, type, indices, primcount);
+}
+
+
 
 /*
  * Assign all the pointers in <table> to point to Mesa's display list
@@ -6045,6 +6065,10 @@ _mesa_init_dlist_table( struct _glapi_table *table, GLuint tableSize )
    /* 145. GL_EXT_secondary_color */
    table->SecondaryColorPointerEXT = exec_SecondaryColorPointerEXT;
 
+   /* 148. GL_EXT_multi_draw_arrays */
+   table->MultiDrawArraysEXT = exec_MultiDrawArraysEXT;
+   table->MultiDrawElementsEXT = exec_MultiDrawElementsEXT;
+
    /* 149. GL_EXT_fog_coord */
    table->FogCoordPointerEXT = exec_FogCoordPointerEXT;
 
diff --git a/src/mesa/main/glprocs.h b/src/mesa/main/glprocs.h
index 433910af44..b98c25dc31 100644
--- a/src/mesa/main/glprocs.h
+++ b/src/mesa/main/glprocs.h
@@ -619,6 +619,8 @@ static struct name_address_offset static_functions[] = {
    { "glSecondaryColor3usEXT", (GLvoid *) glSecondaryColor3usEXT, _gloffset_SecondaryColor3usEXT },
    { "glSecondaryColor3usvEXT", (GLvoid *) glSecondaryColor3usvEXT, _gloffset_SecondaryColor3usvEXT },
    { "glSecondaryColorPointerEXT", (GLvoid *) glSecondaryColorPointerEXT, _gloffset_SecondaryColorPointerEXT },
+   { "glMultiDrawArraysEXT", (GLvoid *) glMultiDrawArraysEXT, _gloffset_MultiDrawArraysEXT },
+   { "glMultiDrawElementsEXT", (GLvoid *) glMultiDrawElementsEXT, _gloffset_MultiDrawElementsEXT },
    { "glFogCoordfEXT", (GLvoid *) glFogCoordfEXT, _gloffset_FogCoordfEXT },
    { "glFogCoordfvEXT", (GLvoid *) glFogCoordfvEXT, _gloffset_FogCoordfvEXT },
    { "glFogCoorddEXT", (GLvoid *) glFogCoorddEXT, _gloffset_FogCoorddEXT },
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 52cec5a0af..27e7e0017a 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -1,4 +1,4 @@
-/* $Id: state.c,v 1.87 2002/06/25 02:31:37 brianp Exp $ */
+/* $Id: state.c,v 1.88 2002/06/30 15:47:01 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -425,6 +425,10 @@ _mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize)
    exec->LockArraysEXT = _mesa_LockArraysEXT;
    exec->UnlockArraysEXT = _mesa_UnlockArraysEXT;
 
+   /* 148. GL_EXT_multi_draw_arrays */
+   exec->MultiDrawArraysEXT = _mesa_MultiDrawArraysEXT;
+   exec->MultiDrawElementsEXT = _mesa_MultiDrawElementsEXT;
+
    /* 173. GL_INGR_blend_func_separate */
    exec->BlendFuncSeparateEXT = _mesa_BlendFuncSeparateEXT;
 
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index e913869366..3fd318e7d4 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -1,4 +1,4 @@
-/* $Id: varray.c,v 1.45 2002/06/15 02:38:16 brianp Exp $ */
+/* $Id: varray.c,v 1.46 2002/06/30 15:47:01 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -799,3 +799,41 @@ _mesa_UnlockArraysEXT( void )
    if (ctx->Driver.UnlockArraysEXT)
       ctx->Driver.UnlockArraysEXT( ctx );
 }
+
+
+
+/* GL_EXT_multi_draw_arrays */
+/* Somebody forgot to spec the first and count parameters as const! <sigh> */
+void
+_mesa_MultiDrawArraysEXT( GLenum mode, GLint *first,
+                          GLsizei *count, GLsizei primcount )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLint i;
+
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   for (i = 0; i < primcount; i++) {
+      if (count[i] > 0) {
+         (ctx->Exec->DrawArrays)(mode, first[i], count[i]);
+      }
+   }
+}
+
+
+/* GL_EXT_multi_draw_arrays */
+void
+_mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
+                            const GLvoid **indices, GLsizei primcount )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLint i;
+
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   for (i = 0; i < primcount; i++) {
+      if (count[i] > 0) {
+         (ctx->Exec->DrawElements)(mode, count[i], type, indices[i]);
+      }
+   }
+}
diff --git a/src/mesa/main/varray.h b/src/mesa/main/varray.h
index b2f18667cd..cf114cda8a 100644
--- a/src/mesa/main/varray.h
+++ b/src/mesa/main/varray.h
@@ -1,4 +1,4 @@
-/* $Id: varray.h,v 1.13 2002/01/11 17:25:35 brianp Exp $ */
+/* $Id: varray.h,v 1.14 2002/06/30 15:47:01 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -111,4 +111,13 @@ extern void
 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 
 
+extern void
+_mesa_MultiDrawArraysEXT( GLenum mode, GLint *first,
+                          GLsizei *count, GLsizei primcount );
+
+extern void
+_mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
+                            const GLvoid **indices, GLsizei primcount );
+
+
 #endif
-- 
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