/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
#include "compiler.h"
+#include "enums.h"
+#include "macros.h"
#include "mtypes.h"
+static inline struct gl_texture_unit *
+_mesa_get_tex_unit(struct gl_context *ctx, GLuint unit)
+{
+ assert(unit < ARRAY_SIZE(ctx->Texture.Unit));
+ return &(ctx->Texture.Unit[unit]);
+}
+
/**
* Return pointer to current texture unit.
* This the texture unit set by glActiveTexture(), not glClientActiveTexture().
static inline struct gl_texture_unit *
_mesa_get_current_tex_unit(struct gl_context *ctx)
{
- ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->Texture.Unit));
- return &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+ return _mesa_get_tex_unit(ctx, ctx->Texture.CurrentUnit);
+}
+
+static inline GLuint
+_mesa_max_tex_unit(struct gl_context *ctx)
+{
+ /* See OpenGL spec for glActiveTexture: */
+ return MAX2(ctx->Const.MaxCombinedTextureImageUnits,
+ ctx->Const.MaxTextureCoordUnits);
}