Add Intel i965G/Q DRI driver.

This driver comes from Tungsten Graphics, with a few further modifications by
Intel.

1 files changed, 315 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/intel_tex.c b/src/mesa/drivers/dri/i965/intel_tex.c
new file mode 100644
index 00000000000..4523969bfa5
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/intel_tex.c
@@ -0,0 +1,315 @@
+/**************************************************************************
+ * 
+ * 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 "mtypes.h"
+#include "image.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "teximage.h"
+#include "texobj.h"
+#include "swrast/swrast.h"
+
+
+#include "intel_context.h"
+#include "intel_tex.h"
+#include "intel_mipmap_tree.h"
+
+
+static GLuint target_to_face( GLenum target )
+{
+   switch (target) {
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+      return ((GLuint) target - 
+	      (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X);
+   default:
+      return 0;
+   }
+}
+
+static void intelTexImage1D( GLcontext *ctx, GLenum target, GLint level,
+			    GLint internalFormat,
+			    GLint width, GLint border,
+			    GLenum format, GLenum type, const GLvoid *pixels,
+			    const struct gl_pixelstore_attrib *packing,
+			    struct gl_texture_object *texObj,
+			    struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+   _mesa_store_teximage1d( ctx, target, level, internalFormat,
+			   width, border, format, type,
+			   pixels, packing, texObj, texImage );
+
+   intelObj->dirty_images[0] |= (1 << level);
+   intelObj->dirty |= 1;
+}
+
+static void intelTexSubImage1D( GLcontext *ctx, 
+			       GLenum target,
+			       GLint level,	
+			       GLint xoffset,
+				GLsizei width,
+			       GLenum format, GLenum type,
+			       const GLvoid *pixels,
+			       const struct gl_pixelstore_attrib *packing,
+			       struct gl_texture_object *texObj,
+			       struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+   _mesa_store_texsubimage1d(ctx, target, level, xoffset, width, 
+			     format, type, pixels, packing, texObj,
+			     texImage);
+
+   intelObj->dirty_images[0] |= (1 << level);
+   intelObj->dirty |= 1;
+}
+
+
+/* Handles 2D, CUBE, RECT:
+ */
+static void intelTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+			    GLint internalFormat,
+			    GLint width, GLint height, GLint border,
+			    GLenum format, GLenum type, const GLvoid *pixels,
+			    const struct gl_pixelstore_attrib *packing,
+			    struct gl_texture_object *texObj,
+			    struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+   GLuint face = target_to_face(target);
+
+   _mesa_store_teximage2d( ctx, target, level, internalFormat,
+			   width, height, border, format, type,
+			   pixels, packing, texObj, texImage );
+
+   intelObj->dirty_images[face] |= (1 << level);
+   intelObj->dirty |= 1 << face;
+}
+
+static void intelTexSubImage2D( GLcontext *ctx, 
+			       GLenum target,
+			       GLint level,	
+			       GLint xoffset, GLint yoffset,
+			       GLsizei width, GLsizei height,
+			       GLenum format, GLenum type,
+			       const GLvoid *pixels,
+			       const struct gl_pixelstore_attrib *packing,
+			       struct gl_texture_object *texObj,
+			       struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+   GLuint face = target_to_face(target);
+
+   _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width, 
+			     height, format, type, pixels, packing, texObj,
+			     texImage);
+
+   intelObj->dirty_images[face] |= (1 << level);
+   intelObj->dirty |= 1 << face;
+}
+
+static void intelCompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+                              GLint internalFormat,
+                              GLint width, GLint height, GLint border,
+                              GLsizei imageSize, const GLvoid *data,
+                              struct gl_texture_object *texObj,
+                              struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+   GLuint face = target_to_face(target);
+
+   _mesa_store_compressed_teximage2d(ctx, target, level, internalFormat, width,
+				     height, border, imageSize, data, texObj, texImage);
+   
+   intelObj->dirty_images[face] |= (1 << level);
+   intelObj->dirty |= 1 << face;
+}
+
+
+static void intelCompressedTexSubImage2D( GLcontext *ctx, GLenum target, GLint level,
+                                 GLint xoffset, GLint yoffset,
+                                 GLsizei width, GLsizei height,
+                                 GLenum format,
+                                 GLsizei imageSize, const GLvoid *data,
+                                 struct gl_texture_object *texObj,
+                                 struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+   GLuint face = target_to_face(target);
+
+   _mesa_store_compressed_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+					height, format, imageSize, data, texObj, texImage);
+   
+   intelObj->dirty_images[face] |= (1 << level);
+   intelObj->dirty |= 1 << face;
+}
+
+
+static void intelTexImage3D( GLcontext *ctx, GLenum target, GLint level,
+                            GLint internalFormat,
+                            GLint width, GLint height, GLint depth,
+                            GLint border,
+                            GLenum format, GLenum type, const GLvoid *pixels,
+                            const struct gl_pixelstore_attrib *packing,
+                            struct gl_texture_object *texObj,
+                            struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+   _mesa_store_teximage3d(ctx, target, level, internalFormat,
+			  width, height, depth, border,
+			  format, type, pixels,
+			  &ctx->Unpack, texObj, texImage);
+   
+   intelObj->dirty_images[0] |= (1 << level);
+   intelObj->dirty |= 1 << 0;
+}
+
+
+static void
+intelTexSubImage3D( GLcontext *ctx, GLenum target, GLint level,
+                   GLint xoffset, GLint yoffset, GLint zoffset,
+                   GLsizei width, GLsizei height, GLsizei depth,
+                   GLenum format, GLenum type,
+                   const GLvoid *pixels,
+                   const struct gl_pixelstore_attrib *packing,
+                   struct gl_texture_object *texObj,
+                   struct gl_texture_image *texImage )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+   _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
+                             width, height, depth,
+                             format, type, pixels, packing, texObj, texImage);
+
+   intelObj->dirty_images[0] |= (1 << level);
+   intelObj->dirty |= 1 << 0;
+}
+
+
+
+
+static struct gl_texture_object *intelNewTextureObject( GLcontext *ctx, 
+							GLuint name, 
+							GLenum target )
+{
+   struct intel_texture_object *obj = CALLOC_STRUCT(intel_texture_object);
+
+   _mesa_initialize_texture_object(&obj->base, name, target);
+
+   return &obj->base;
+}
+
+static GLboolean intelIsTextureResident(GLcontext *ctx,
+                                      struct gl_texture_object *texObj)
+{
+#if 0
+   struct intel_context *intel = intel_context(ctx);
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+   
+   return 
+      intelObj->mt && 
+      intelObj->mt->region && 
+      intel_is_region_resident(intel, intelObj->mt->region);
+#endif
+   return 1;
+}
+
+
+
+static void intelTexParameter( GLcontext *ctx, 
+			       GLenum target,
+			       struct gl_texture_object *texObj,
+			       GLenum pname, 
+			       const GLfloat *params )
+{
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+ 
+   switch (pname) {
+      /* Anything which can affect the calculation of firstLevel and
+       * lastLevel, as changes to these may invalidate the miptree.
+       */
+   case GL_TEXTURE_MIN_FILTER:
+   case GL_TEXTURE_MAG_FILTER:
+   case GL_TEXTURE_BASE_LEVEL:
+   case GL_TEXTURE_MAX_LEVEL:
+   case GL_TEXTURE_MIN_LOD:
+   case GL_TEXTURE_MAX_LOD:
+      intelObj->dirty |= 1;
+      break;
+
+   default:
+      break;
+   }
+}
+
+
+static void
+intel_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
+{
+   struct intel_context *intel = intel_context(ctx);
+   struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+   if (intelObj->mt)
+      intel_miptree_destroy(intel, intelObj->mt);
+
+   _mesa_delete_texture_object( ctx, texObj );
+}
+
+void intelInitTextureFuncs( struct dd_function_table *functions )
+{
+   functions->NewTextureObject          = intelNewTextureObject;
+   functions->TexImage1D                = intelTexImage1D;
+   functions->TexImage2D                = intelTexImage2D;
+   functions->TexImage3D                = intelTexImage3D;
+   functions->TexSubImage1D             = intelTexSubImage1D;
+   functions->TexSubImage2D             = intelTexSubImage2D;
+   functions->TexSubImage3D             = intelTexSubImage3D;
+   functions->CopyTexImage1D            = _swrast_copy_teximage1d;
+   functions->CopyTexImage2D            = _swrast_copy_teximage2d;
+   functions->CopyTexSubImage1D         = _swrast_copy_texsubimage1d;
+   functions->CopyTexSubImage2D         = _swrast_copy_texsubimage2d;
+   functions->CopyTexSubImage3D         = _swrast_copy_texsubimage3d;
+   functions->DeleteTexture             = intel_delete_texture_object;
+   functions->UpdateTexturePalette      = NULL;
+   functions->IsTextureResident = intelIsTextureResident;
+   functions->TestProxyTexImage         = _mesa_test_proxy_teximage;
+   functions->CompressedTexImage2D      = intelCompressedTexImage2D;
+   functions->CompressedTexSubImage2D   = intelCompressedTexSubImage2D;
+   functions->TexParameter              = intelTexParameter;
+}
+
+
+
+
+