/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 7.0.1
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul 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"),
_mesa_update_state(ctx);
/* Always need vertex positions */
- if (!ctx->Array.Vertex.Enabled
- && !(ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled))
+ if (!ctx->Array.ArrayObj->Vertex.Enabled
+ && !(ctx->VertexProgram._Enabled && ctx->Array.ArrayObj->VertexAttrib[0].Enabled))
return GL_FALSE;
/* Vertex buffer object tests */
GLuint indexBytes;
/* use indices in the buffer object */
- if (!ctx->Array.ElementArrayBufferObj->Data) {
- _mesa_warning(ctx, "DrawElements with empty vertex elements buffer!");
+ if (!ctx->Array.ElementArrayBufferObj->Size) {
+ _mesa_warning(ctx,
+ "glDrawElements called with empty array elements buffer");
return GL_FALSE;
}
indexBytes = count * sizeof(GLushort);
}
- if ((GLubyte *) indices + indexBytes >
- ctx->Array.ElementArrayBufferObj->Data +
- ctx->Array.ElementArrayBufferObj->Size) {
+ if (indexBytes > (GLuint) ctx->Array.ElementArrayBufferObj->Size) {
_mesa_warning(ctx, "glDrawElements index out of buffer bounds");
return GL_FALSE;
}
-
- /* Actual address is the sum of pointers. Indices may be used below. */
- if (ctx->Const.CheckArrayBounds) {
- indices = (const GLvoid *)
- ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Data,
- (const GLubyte *) indices);
- }
+ }
+ else {
+ /* not using a VBO */
+ if (!indices)
+ return GL_FALSE;
}
if (ctx->Const.CheckArrayBounds) {
/* find max array index */
+ const GLubyte *map;
GLuint max = 0;
GLint i;
+
+ map = ctx->Driver.MapBuffer(ctx,
+ GL_ELEMENT_ARRAY_BUFFER_ARB,
+ GL_READ_ONLY,
+ ctx->Array.ElementArrayBufferObj);
+
+ /* Actual address is the sum of pointers */
+ indices = (const GLvoid *) ADD_POINTERS(map, (const GLubyte *) indices);
+
if (type == GL_UNSIGNED_INT) {
for (i = 0; i < count; i++)
if (((GLuint *) indices)[i] > max)
if (((GLubyte *) indices)[i] > max)
max = ((GLubyte *) indices)[i];
}
+
+ ctx->Driver.UnmapBuffer(ctx,
+ GL_ELEMENT_ARRAY_BUFFER_ARB,
+ ctx->Array.ElementArrayBufferObj);
+
if (max >= ctx->Array._MaxElement) {
/* the max element is out of bounds of one or more enabled arrays */
return GL_FALSE;
_mesa_update_state(ctx);
/* Always need vertex positions */
- if (!ctx->Array.Vertex.Enabled
- && !(ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled))
+ if (!ctx->Array.ArrayObj->Vertex.Enabled
+ && !(ctx->VertexProgram._Enabled && ctx->Array.ArrayObj->VertexAttrib[0].Enabled))
return GL_FALSE;
+ /* Vertex buffer object tests */
+ if (ctx->Array.ElementArrayBufferObj->Name) {
+ /* XXX re-use code from above? */
+ }
+ else {
+ /* not using VBO */
+ if (!indices)
+ return GL_FALSE;
+ }
+
if (ctx->Const.CheckArrayBounds) {
/* Find max array index.
* We don't trust the user's start and end values.
_mesa_update_state(ctx);
/* Always need vertex positions */
- if (!ctx->Array.Vertex.Enabled && !ctx->Array.VertexAttrib[0].Enabled)
+ if (!ctx->Array.ArrayObj->Vertex.Enabled && !ctx->Array.ArrayObj->VertexAttrib[0].Enabled)
return GL_FALSE;
if (ctx->Const.CheckArrayBounds) {