1 files changed, 100 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i830_tex.c b/src/mesa/drivers/dri/i915tex/i830_tex.c
new file mode 100644
index 0000000000..fed464d1aa
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/i830_tex.c
@@ -0,0 +1,100 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "image.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "texmem.h"
+#include "swrast/swrast.h"
+
+#include "mm.h"
+
+#include "intel_ioctl.h"
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+
+
+static void
+i830TexEnv(GLcontext * ctx, GLenum target,
+           GLenum pname, const GLfloat * param)
+{
+
+   switch (pname) {
+   case GL_TEXTURE_ENV_COLOR:
+   case GL_TEXTURE_ENV_MODE:
+   case GL_COMBINE_RGB:
+   case GL_COMBINE_ALPHA:
+   case GL_SOURCE0_RGB:
+   case GL_SOURCE1_RGB:
+   case GL_SOURCE2_RGB:
+   case GL_SOURCE0_ALPHA:
+   case GL_SOURCE1_ALPHA:
+   case GL_SOURCE2_ALPHA:
+   case GL_OPERAND0_RGB:
+   case GL_OPERAND1_RGB:
+   case GL_OPERAND2_RGB:
+   case GL_OPERAND0_ALPHA:
+   case GL_OPERAND1_ALPHA:
+   case GL_OPERAND2_ALPHA:
+   case GL_RGB_SCALE:
+   case GL_ALPHA_SCALE:
+      break;
+
+   case GL_TEXTURE_LOD_BIAS:{
+         struct i830_context *i830 = i830_context(ctx);
+         GLuint unit = ctx->Texture.CurrentUnit;
+         int b = (int) ((*param) * 16.0);
+         if (b > 63)
+            b = 63;
+         if (b < -64)
+            b = -64;
+         I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
+         i830->lodbias_tm0s3[unit] =
+            ((b << TM0S3_LOD_BIAS_SHIFT) & TM0S3_LOD_BIAS_MASK);
+         break;
+      }
+
+   default:
+      break;
+   }
+}
+
+
+
+
+void
+i830InitTextureFuncs(struct dd_function_table *functions)
+{
+   functions->TexEnv = i830TexEnv;
+}