[intel] Move over files that will be shared with 965-fbo work.

1 files changed, 1 insertions, 302 deletions

diff --git a/src/mesa/drivers/dri/i915/intel_tex_copy.c b/src/mesa/drivers/dri/i915/intel_tex_copy.c
index b85a25642a2..87196c5d1ed 100644..120000
--- a/src/mesa/drivers/dri/i915/intel_tex_copy.c
+++ b/src/mesa/drivers/dri/i915/intel_tex_copy.c
@@ -1,302 +1 @@
-/**************************************************************************
- * 
- * 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 "enums.h"
-#include "image.h"
-#include "teximage.h"
-#include "swrast/swrast.h"
-
-#include "intel_screen.h"
-#include "intel_context.h"
-#include "intel_batchbuffer.h"
-#include "intel_buffers.h"
-#include "intel_mipmap_tree.h"
-#include "intel_regions.h"
-#include "intel_fbo.h"
-#include "intel_tex.h"
-#include "intel_blit.h"
-#include "intel_pixel.h"
-
-#define FILE_DEBUG_FLAG DEBUG_TEXTURE
-
-/**
- * Get the intel_region which is the source for any glCopyTex[Sub]Image call.
- *
- * Do the best we can using the blitter.  A future project is to use
- * the texture engine and fragment programs for these copies.
- */
-static const struct intel_region *
-get_teximage_source(struct intel_context *intel, GLenum internalFormat)
-{
-   struct intel_renderbuffer *irb;
-
-   DBG("%s %s\n", __FUNCTION__,
-       _mesa_lookup_enum_by_nr(internalFormat));
-
-   switch (internalFormat) {
-   case GL_DEPTH_COMPONENT:
-   case GL_DEPTH_COMPONENT16_ARB:
-      irb = intel_get_renderbuffer(intel->ctx.ReadBuffer, BUFFER_DEPTH);
-      if (irb && irb->region && irb->region->cpp == 2)
-         return irb->region;
-      return NULL;
-   case GL_DEPTH24_STENCIL8_EXT:
-   case GL_DEPTH_STENCIL_EXT:
-      irb = intel_get_renderbuffer(intel->ctx.ReadBuffer, BUFFER_DEPTH);
-      if (irb && irb->region && irb->region->cpp == 4)
-         return irb->region;
-      return NULL;
-   case GL_RGBA:
-   case GL_RGBA8:
-      return intel_readbuf_region(intel);
-   case GL_RGB:
-      if (intel->intelScreen->cpp == 2)
-         return intel_readbuf_region(intel);
-      return NULL;
-   default:
-      return NULL;
-   }
-}
-
-
-static GLboolean
-do_copy_texsubimage(struct intel_context *intel,
-                    struct intel_texture_image *intelImage,
-                    GLenum internalFormat,
-                    GLint dstx, GLint dsty,
-                    GLint x, GLint y, GLsizei width, GLsizei height)
-{
-   GLcontext *ctx = &intel->ctx;
-   const struct intel_region *src =
-      get_teximage_source(intel, internalFormat);
-
-   if (!intelImage->mt || !src) {
-      DBG("%s fail %p %p\n", __FUNCTION__, intelImage->mt, src);
-      return GL_FALSE;
-   }
-
-   intelFlush(ctx);
-   LOCK_HARDWARE(intel);
-   {
-      GLuint image_offset = intel_miptree_image_offset(intelImage->mt,
-                                                       intelImage->face,
-                                                       intelImage->level);
-      const GLint orig_x = x;
-      const GLint orig_y = y;
-      const struct gl_framebuffer *fb = ctx->DrawBuffer;
-
-      if (_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, fb->_Xmax, fb->_Ymax,
-                               &x, &y, &width, &height)) {
-         /* Update dst for clipped src.  Need to also clip the source rect.
-          */
-         dstx += x - orig_x;
-         dsty += y - orig_y;
-
-         if (ctx->ReadBuffer->Name == 0) {
-            /* reading from a window, adjust x, y */
-            __DRIdrawablePrivate *dPriv = intel->driDrawable;
-            GLuint window_y;
-            /* window_y = position of window on screen if y=0=bottom */
-            window_y = intel->intelScreen->height - (dPriv->y + dPriv->h);
-            y = window_y + y;
-            x += dPriv->x;
-         }
-         else {
-            /* reading from a FBO */
-            /* invert Y */
-            y = ctx->ReadBuffer->Height - y - 1;
-         }
-
-
-         /* A bit of fiddling to get the blitter to work with -ve
-          * pitches.  But we get a nice inverted blit this way, so it's
-          * worth it:
-          */
-         intelEmitCopyBlit(intel,
-                           intelImage->mt->cpp,
-                           -src->pitch,
-                           src->buffer,
-                           src->height * src->pitch * src->cpp,
-                           intelImage->mt->pitch,
-                           intelImage->mt->region->buffer,
-                           image_offset,
-                           x, y + height, dstx, dsty, width, height,
-			   GL_COPY); /* ? */
-
-         intel_batchbuffer_flush(intel->batch);
-      }
-   }
-
-
-   UNLOCK_HARDWARE(intel);
-
-#if 0
-   /* GL_SGIS_generate_mipmap -- this can be accelerated now.
-    * XXX Add a ctx->Driver.GenerateMipmaps() function?
-    */
-   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      intel_generate_mipmap(ctx, target,
-                            &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
-                            texObj);
-   }
-#endif
-
-   return GL_TRUE;
-}
-
-
-
-
-
-void
-intelCopyTexImage1D(GLcontext * ctx, GLenum target, GLint level,
-                    GLenum internalFormat,
-                    GLint x, GLint y, GLsizei width, GLint border)
-{
-   struct gl_texture_unit *texUnit =
-      &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   struct gl_texture_object *texObj =
-      _mesa_select_tex_object(ctx, texUnit, target);
-   struct gl_texture_image *texImage =
-      _mesa_select_tex_image(ctx, texObj, target, level);
-
-   if (border)
-      goto fail;
-
-   /* Setup or redefine the texture object, mipmap tree and texture
-    * image.  Don't populate yet.  
-    */
-   ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
-                          width, border,
-                          GL_RGBA, CHAN_TYPE, NULL,
-                          &ctx->DefaultPacking, texObj, texImage);
-
-   if (!do_copy_texsubimage(intel_context(ctx),
-                            intel_texture_image(texImage),
-                            internalFormat, 0, 0, x, y, width, 1))
-      goto fail;
-
-   return;
-
- fail:
-   _swrast_copy_teximage1d(ctx, target, level, internalFormat, x, y,
-                           width, border);
-}
-
-void
-intelCopyTexImage2D(GLcontext * ctx, GLenum target, GLint level,
-                    GLenum internalFormat,
-                    GLint x, GLint y, GLsizei width, GLsizei height,
-                    GLint border)
-{
-   struct gl_texture_unit *texUnit =
-      &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   struct gl_texture_object *texObj =
-      _mesa_select_tex_object(ctx, texUnit, target);
-   struct gl_texture_image *texImage =
-      _mesa_select_tex_image(ctx, texObj, target, level);
-
-   if (border)
-      goto fail;
-
-   /* Setup or redefine the texture object, mipmap tree and texture
-    * image.  Don't populate yet.  
-    */
-   ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
-                          width, height, border,
-                          GL_RGBA, CHAN_TYPE, NULL,
-                          &ctx->DefaultPacking, texObj, texImage);
-
-
-   if (!do_copy_texsubimage(intel_context(ctx),
-                            intel_texture_image(texImage),
-                            internalFormat, 0, 0, x, y, width, height))
-      goto fail;
-
-   return;
-
- fail:
-   _swrast_copy_teximage2d(ctx, target, level, internalFormat, x, y,
-                           width, height, border);
-}
-
-
-void
-intelCopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
-                       GLint xoffset, GLint x, GLint y, GLsizei width)
-{
-   struct gl_texture_unit *texUnit =
-      &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   struct gl_texture_object *texObj =
-      _mesa_select_tex_object(ctx, texUnit, target);
-   struct gl_texture_image *texImage =
-      _mesa_select_tex_image(ctx, texObj, target, level);
-   GLenum internalFormat = texImage->InternalFormat;
-
-   /* XXX need to check <border> as in above function? */
-
-   /* Need to check texture is compatible with source format. 
-    */
-
-   if (!do_copy_texsubimage(intel_context(ctx),
-                            intel_texture_image(texImage),
-                            internalFormat, xoffset, 0, x, y, width, 1)) {
-      _swrast_copy_texsubimage1d(ctx, target, level, xoffset, x, y, width);
-   }
-}
-
-
-
-void
-intelCopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
-                       GLint xoffset, GLint yoffset,
-                       GLint x, GLint y, GLsizei width, GLsizei height)
-{
-   struct gl_texture_unit *texUnit =
-      &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   struct gl_texture_object *texObj =
-      _mesa_select_tex_object(ctx, texUnit, target);
-   struct gl_texture_image *texImage =
-      _mesa_select_tex_image(ctx, texObj, target, level);
-   GLenum internalFormat = texImage->InternalFormat;
-
-
-   /* Need to check texture is compatible with source format. 
-    */
-
-   if (!do_copy_texsubimage(intel_context(ctx),
-                            intel_texture_image(texImage),
-                            internalFormat,
-                            xoffset, yoffset, x, y, width, height)) {
-
-      DBG("%s - fallback to swrast\n", __FUNCTION__);
-
-      _swrast_copy_texsubimage2d(ctx, target, level,
-                                 xoffset, yoffset, x, y, width, height);
-   }
-}
+../intel/intel_tex_copy.c
\ No newline at end of file