i915tex: remove. it's deprecated and causes merge problems

we did some small changes in the beginning of the gallium3d
lifecycle in i915tex which is not in master anymore and just
causes problems when doing merges. getting rid of the headache
by just nuking it here

1 files changed, 0 insertions, 691 deletions

diff --git a/src/mesa/drivers/dri/i915tex/intel_tex_image.c b/src/mesa/drivers/dri/i915tex/intel_tex_image.c
deleted file mode 100644
index f790b1e6f7..0000000000
--- a/src/mesa/drivers/dri/i915tex/intel_tex_image.c
+++ /dev/null
@@ -1,691 +0,0 @@
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "enums.h"
-#include "colortab.h"
-#include "convolve.h"
-#include "context.h"
-#include "simple_list.h"
-#include "texcompress.h"
-#include "texformat.h"
-#include "texobj.h"
-#include "texstore.h"
-
-#include "intel_context.h"
-#include "intel_mipmap_tree.h"
-#include "intel_buffer_objects.h"
-#include "intel_batchbuffer.h"
-#include "intel_tex.h"
-#include "intel_ioctl.h"
-#include "intel_blit.h"
-
-#define FILE_DEBUG_FLAG DEBUG_TEXTURE
-
-/* Functions to store texture images.  Where possible, mipmap_tree's
- * will be created or further instantiated with image data, otherwise
- * images will be stored in malloc'd memory.  A validation step is
- * required to pull those images into a mipmap tree, or otherwise
- * decide a fallback is required.
- */
-
-
-static int
-logbase2(int n)
-{
-   GLint i = 1;
-   GLint log2 = 0;
-
-   while (n > i) {
-      i *= 2;
-      log2++;
-   }
-
-   return log2;
-}
-
-
-/* Otherwise, store it in memory if (Border != 0) or (any dimension ==
- * 1).
- *    
- * Otherwise, if max_level >= level >= min_level, create tree with
- * space for textures from min_level down to max_level.
- *
- * Otherwise, create tree with space for textures from (level
- * 0)..(1x1).  Consider pruning this tree at a validation if the
- * saving is worth it.
- */
-static void
-guess_and_alloc_mipmap_tree(struct intel_context *intel,
-                            struct intel_texture_object *intelObj,
-                            struct intel_texture_image *intelImage)
-{
-   GLuint firstLevel;
-   GLuint lastLevel;
-   GLuint width = intelImage->base.Width;
-   GLuint height = intelImage->base.Height;
-   GLuint depth = intelImage->base.Depth;
-   GLuint l2width, l2height, l2depth;
-   GLuint i, comp_byte = 0;
-
-   DBG("%s\n", __FUNCTION__);
-
-   if (intelImage->base.Border)
-      return;
-
-   if (intelImage->level > intelObj->base.BaseLevel &&
-       (intelImage->base.Width == 1 ||
-        (intelObj->base.Target != GL_TEXTURE_1D &&
-         intelImage->base.Height == 1) ||
-        (intelObj->base.Target == GL_TEXTURE_3D &&
-         intelImage->base.Depth == 1)))
-      return;
-
-   /* If this image disrespects BaseLevel, allocate from level zero.
-    * Usually BaseLevel == 0, so it's unlikely to happen.
-    */
-   if (intelImage->level < intelObj->base.BaseLevel)
-      firstLevel = 0;
-   else
-      firstLevel = intelObj->base.BaseLevel;
-
-
-   /* Figure out image dimensions at start level. 
-    */
-   for (i = intelImage->level; i > firstLevel; i--) {
-      width <<= 1;
-      if (height != 1)
-         height <<= 1;
-      if (depth != 1)
-         depth <<= 1;
-   }
-
-   /* Guess a reasonable value for lastLevel.  This is probably going
-    * to be wrong fairly often and might mean that we have to look at
-    * resizable buffers, or require that buffers implement lazy
-    * pagetable arrangements.
-    */
-   if ((intelObj->base.MinFilter == GL_NEAREST ||
-        intelObj->base.MinFilter == GL_LINEAR) &&
-       intelImage->level == firstLevel) {
-      lastLevel = firstLevel;
-   }
-   else {
-      l2width = logbase2(width);
-      l2height = logbase2(height);
-      l2depth = logbase2(depth);
-      lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth);
-   }
-
-   assert(!intelObj->mt);
-   if (intelImage->base.IsCompressed)
-      comp_byte = intel_compressed_num_bytes(intelImage->base.TexFormat->MesaFormat);
-   intelObj->mt = intel_miptree_create(intel,
-                                       intelObj->base.Target,
-                                       intelImage->base.InternalFormat,
-                                       firstLevel,
-                                       lastLevel,
-                                       width,
-                                       height,
-                                       depth,
-                                       intelImage->base.TexFormat->TexelBytes,
-                                       comp_byte);
-
-   DBG("%s - success\n", __FUNCTION__);
-}
-
-
-
-
-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;
-   }
-}
-
-/* There are actually quite a few combinations this will work for,
- * more than what I've listed here.
- */
-static GLboolean
-check_pbo_format(GLint internalFormat,
-                 GLenum format, GLenum type,
-                 const struct gl_texture_format *mesa_format)
-{
-   switch (internalFormat) {
-   case 4:
-   case GL_RGBA:
-      return (format == GL_BGRA &&
-              (type == GL_UNSIGNED_BYTE ||
-               type == GL_UNSIGNED_INT_8_8_8_8_REV) &&
-              mesa_format == &_mesa_texformat_argb8888);
-   case 3:
-   case GL_RGB:
-      return (format == GL_RGB &&
-              type == GL_UNSIGNED_SHORT_5_6_5 &&
-              mesa_format == &_mesa_texformat_rgb565);
-   case GL_YCBCR_MESA:
-      return (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE);
-   default:
-      return GL_FALSE;
-   }
-}
-
-
-/* XXX: Do this for TexSubImage also:
- */
-static GLboolean
-try_pbo_upload(struct intel_context *intel,
-               struct intel_texture_image *intelImage,
-               const struct gl_pixelstore_attrib *unpack,
-               GLint internalFormat,
-               GLint width, GLint height,
-               GLenum format, GLenum type, const void *pixels)
-{
-   struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
-   GLuint src_offset, src_stride;
-   GLuint dst_offset, dst_stride;
-
-   if (!pbo ||
-       intel->ctx._ImageTransferState ||
-       unpack->SkipPixels || unpack->SkipRows) {
-      _mesa_printf("%s: failure 1\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
-   src_offset = (GLuint) pixels;
-
-   if (unpack->RowLength > 0)
-      src_stride = unpack->RowLength;
-   else
-      src_stride = width;
-
-   dst_offset = intel_miptree_image_offset(intelImage->mt,
-                                           intelImage->face,
-                                           intelImage->level);
-
-   dst_stride = intelImage->mt->pitch;
-
-   intelFlush(&intel->ctx);
-   LOCK_HARDWARE(intel);
-   {
-      struct _DriBufferObject *src_buffer =
-         intel_bufferobj_buffer(intel, pbo, INTEL_READ);
-      struct _DriBufferObject *dst_buffer =
-         intel_region_buffer(intel->intelScreen, intelImage->mt->region,
-                             INTEL_WRITE_FULL);
-
-
-      intelEmitCopyBlit(intel,
-                        intelImage->mt->cpp,
-                        src_stride, src_buffer, src_offset,
-                        dst_stride, dst_buffer, dst_offset,
-                        0, 0, 0, 0, width, height,
-			GL_COPY);
-
-      intel_batchbuffer_flush(intel->batch);
-   }
-   UNLOCK_HARDWARE(intel);
-
-   return GL_TRUE;
-}
-
-
-
-static GLboolean
-try_pbo_zcopy(struct intel_context *intel,
-              struct intel_texture_image *intelImage,
-              const struct gl_pixelstore_attrib *unpack,
-              GLint internalFormat,
-              GLint width, GLint height,
-              GLenum format, GLenum type, const void *pixels)
-{
-   struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
-   GLuint src_offset, src_stride;
-   GLuint dst_offset, dst_stride;
-
-   if (!pbo ||
-       intel->ctx._ImageTransferState ||
-       unpack->SkipPixels || unpack->SkipRows) {
-      _mesa_printf("%s: failure 1\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
-   src_offset = (GLuint) pixels;
-
-   if (unpack->RowLength > 0)
-      src_stride = unpack->RowLength;
-   else
-      src_stride = width;
-
-   dst_offset = intel_miptree_image_offset(intelImage->mt,
-                                           intelImage->face,
-                                           intelImage->level);
-
-   dst_stride = intelImage->mt->pitch;
-
-   if (src_stride != dst_stride || dst_offset != 0 || src_offset != 0) {
-      _mesa_printf("%s: failure 2\n", __FUNCTION__);
-      return GL_FALSE;
-   }
-
-   intel_region_attach_pbo(intel->intelScreen, intelImage->mt->region, pbo);
-
-   return GL_TRUE;
-}
-
-
-
-
-
-
-static void
-intelTexImage(GLcontext * ctx,
-              GLint dims,
-              GLenum target, GLint level,
-              GLint internalFormat,
-              GLint width, GLint height, GLint depth,
-              GLint border,
-              GLenum format, GLenum type, const void *pixels,
-              const struct gl_pixelstore_attrib *unpack,
-              struct gl_texture_object *texObj,
-              struct gl_texture_image *texImage, GLsizei imageSize, int compressed)
-{
-   struct intel_context *intel = intel_context(ctx);
-   struct intel_texture_object *intelObj = intel_texture_object(texObj);
-   struct intel_texture_image *intelImage = intel_texture_image(texImage);
-   GLint postConvWidth = width;
-   GLint postConvHeight = height;
-   GLint texelBytes, sizeInBytes;
-   GLuint dstRowStride;
-
-
-   DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
-       _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
-
-   intelFlush(ctx);
-
-   intelImage->face = target_to_face(target);
-   intelImage->level = level;
-
-   if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
-      _mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
-                                         &postConvHeight);
-   }
-
-   /* choose the texture format */
-   texImage->TexFormat = intelChooseTextureFormat(ctx, internalFormat,
-                                                  format, type);
-
-   _mesa_set_fetch_functions(texImage, dims);
-
-   if (texImage->TexFormat->TexelBytes == 0) {
-      /* must be a compressed format */
-      texelBytes = 0;
-      texImage->IsCompressed = GL_TRUE;
-      texImage->CompressedSize =
-	 ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
-					   texImage->Height, texImage->Depth,
-					   texImage->TexFormat->MesaFormat);
-   } else {
-      texelBytes = texImage->TexFormat->TexelBytes;
-      
-      /* Minimum pitch of 32 bytes */
-      if (postConvWidth * texelBytes < 32) {
-	 postConvWidth = 32 / texelBytes;
-	 texImage->RowStride = postConvWidth;
-      }
-      
-      assert(texImage->RowStride == postConvWidth);
-   }
-
-   /* Release the reference to a potentially orphaned buffer.   
-    * Release any old malloced memory.
-    */
-   if (intelImage->mt) {
-      intel_miptree_release(intel, &intelImage->mt);
-      assert(!texImage->Data);
-   }
-   else if (texImage->Data) {
-      _mesa_align_free(texImage->Data);
-   }
-
-   /* If this is the only texture image in the tree, could call
-    * bmBufferData with NULL data to free the old block and avoid
-    * waiting on any outstanding fences.
-    */
-   if (intelObj->mt &&
-       intelObj->mt->first_level == level &&
-       intelObj->mt->last_level == level &&
-       intelObj->mt->target != GL_TEXTURE_CUBE_MAP_ARB &&
-       !intel_miptree_match_image(intelObj->mt, &intelImage->base,
-                                  intelImage->face, intelImage->level)) {
-
-      DBG("release it\n");
-      intel_miptree_release(intel, &intelObj->mt);
-      assert(!intelObj->mt);
-   }
-
-   if (!intelObj->mt) {
-      guess_and_alloc_mipmap_tree(intel, intelObj, intelImage);
-      if (!intelObj->mt) {
-	 DBG("guess_and_alloc_mipmap_tree: failed\n");
-      }
-   }
-
-   assert(!intelImage->mt);
-
-   if (intelObj->mt &&
-       intel_miptree_match_image(intelObj->mt, &intelImage->base,
-                                 intelImage->face, intelImage->level)) {
-
-      intel_miptree_reference(&intelImage->mt, intelObj->mt);
-      assert(intelImage->mt);
-   }
-
-   if (!intelImage->mt)
-      DBG("XXX: Image did not fit into tree - storing in local memory!\n");
-
-   /* PBO fastpaths:
-    */
-   if (dims <= 2 &&
-       intelImage->mt &&
-       intel_buffer_object(unpack->BufferObj) &&
-       check_pbo_format(internalFormat, format,
-                        type, intelImage->base.TexFormat)) {
-
-      DBG("trying pbo upload\n");
-
-      /* Attempt to texture directly from PBO data (zero copy upload).
-       *
-       * Currently disable as it can lead to worse as well as better
-       * performance (in particular when intel_region_cow() is
-       * required).
-       */
-      if (intelObj->mt == intelImage->mt &&
-          intelObj->mt->first_level == level &&
-          intelObj->mt->last_level == level) {
-
-         if (try_pbo_zcopy(intel, intelImage, unpack,
-                           internalFormat,
-                           width, height, format, type, pixels)) {
-
-            DBG("pbo zcopy upload succeeded\n");
-            return;
-         }
-      }
-
-
-      /* Otherwise, attempt to use the blitter for PBO image uploads.
-       */
-      if (try_pbo_upload(intel, intelImage, unpack,
-                         internalFormat,
-                         width, height, format, type, pixels)) {
-         DBG("pbo upload succeeded\n");
-         return;
-      }
-
-      DBG("pbo upload failed\n");
-   }
-
-
-
-   /* intelCopyTexImage calls this function with pixels == NULL, with
-    * the expectation that the mipmap tree will be set up but nothing
-    * more will be done.  This is where those calls return:
-    */
-   if (compressed) {
-      pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
-						      unpack,
-						      "glCompressedTexImage");
-   } else {
-      pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
-					   format, type,
-					   pixels, unpack, "glTexImage");
-   }
-   if (!pixels)
-      return;
-
-
-   if (intelImage->mt)
-      intel_region_idle(intel->intelScreen, intelImage->mt->region);
-
-   LOCK_HARDWARE(intel);
-
-   if (intelImage->mt) {
-      texImage->Data = intel_miptree_image_map(intel,
-                                               intelImage->mt,
-                                               intelImage->face,
-                                               intelImage->level,
-                                               &dstRowStride,
-                                               intelImage->base.ImageOffsets);
-   }
-   else {
-      /* Allocate regular memory and store the image there temporarily.   */
-      if (texImage->IsCompressed) {
-         sizeInBytes = texImage->CompressedSize;
-         dstRowStride =
-            _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
-         assert(dims != 3);
-      }
-      else {
-         dstRowStride = postConvWidth * texelBytes;
-         sizeInBytes = depth * dstRowStride * postConvHeight;
-      }
-
-      texImage->Data = malloc(sizeInBytes);
-   }
-
-   DBG("Upload image %dx%dx%d row_len %x "
-       "pitch %x\n",
-       width, height, depth, width * texelBytes, dstRowStride);
-
-   /* Copy data.  Would like to know when it's ok for us to eg. use
-    * the blitter to copy.  Or, use the hardware to do the format
-    * conversion and copy:
-    */
-   if (compressed) {
-     memcpy(texImage->Data, pixels, imageSize);
-   } else if (!texImage->TexFormat->StoreImage(ctx, dims, 
-					       texImage->_BaseFormat, 
-					       texImage->TexFormat, 
-					       texImage->Data, 0, 0, 0, /* dstX/Y/Zoffset */
-					       dstRowStride,
-					       texImage->ImageOffsets,
-					       width, height, depth,
-					       format, type, pixels, unpack)) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
-   }
-
-   _mesa_unmap_teximage_pbo(ctx, unpack);
-
-   if (intelImage->mt) {
-      intel_miptree_image_unmap(intel, intelImage->mt);
-      texImage->Data = NULL;
-   }
-
-   UNLOCK_HARDWARE(intel);
-
-#if 0
-   /* GL_SGIS_generate_mipmap -- this can be accelerated now.
-    */
-   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      intel_generate_mipmap(ctx, target,
-                            &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
-                            texObj);
-   }
-#endif
-}
-
-void
-intelTexImage3D(GLcontext * ctx,
-                GLenum target, GLint level,
-                GLint internalFormat,
-                GLint width, GLint height, GLint depth,
-                GLint border,
-                GLenum format, GLenum type, const void *pixels,
-                const struct gl_pixelstore_attrib *unpack,
-                struct gl_texture_object *texObj,
-                struct gl_texture_image *texImage)
-{
-   intelTexImage(ctx, 3, target, level,
-                 internalFormat, width, height, depth, border,
-                 format, type, pixels, unpack, texObj, texImage, 0, 0);
-}
-
-
-void
-intelTexImage2D(GLcontext * ctx,
-                GLenum target, GLint level,
-                GLint internalFormat,
-                GLint width, GLint height, GLint border,
-                GLenum format, GLenum type, const void *pixels,
-                const struct gl_pixelstore_attrib *unpack,
-                struct gl_texture_object *texObj,
-                struct gl_texture_image *texImage)
-{
-   intelTexImage(ctx, 2, target, level,
-                 internalFormat, width, height, 1, border,
-                 format, type, pixels, unpack, texObj, texImage, 0, 0);
-}
-
-void
-intelTexImage1D(GLcontext * ctx,
-                GLenum target, GLint level,
-                GLint internalFormat,
-                GLint width, GLint border,
-                GLenum format, GLenum type, const void *pixels,
-                const struct gl_pixelstore_attrib *unpack,
-                struct gl_texture_object *texObj,
-                struct gl_texture_image *texImage)
-{
-   intelTexImage(ctx, 1, target, level,
-                 internalFormat, width, 1, 1, border,
-                 format, type, pixels, unpack, texObj, texImage, 0, 0);
-}
-
-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 )
-{
-   intelTexImage(ctx, 2, target, level,
-		 internalFormat, width, height, 1, border,
-		 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, 1);
-}
-
-/**
- * Need to map texture image into memory before copying image data,
- * then unmap it.
- */
-static void
-intel_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
-		    GLenum format, GLenum type, GLvoid * pixels,
-		    struct gl_texture_object *texObj,
-		    struct gl_texture_image *texImage, int compressed)
-{
-   struct intel_context *intel = intel_context(ctx);
-   struct intel_texture_image *intelImage = intel_texture_image(texImage);
-
-   /* Map */
-   if (intelImage->mt) {
-      /* Image is stored in hardware format in a buffer managed by the
-       * kernel.  Need to explicitly map and unmap it.
-       */
-      intelImage->base.Data =
-         intel_miptree_image_map(intel,
-                                 intelImage->mt,
-                                 intelImage->face,
-                                 intelImage->level,
-                                 &intelImage->base.RowStride,
-                                 intelImage->base.ImageOffsets);
-      intelImage->base.RowStride /= intelImage->mt->cpp;
-   }
-   else {
-      /* Otherwise, the image should actually be stored in
-       * intelImage->base.Data.  This is pretty confusing for
-       * everybody, I'd much prefer to separate the two functions of
-       * texImage->Data - storage for texture images in main memory
-       * and access (ie mappings) of images.  In other words, we'd
-       * create a new texImage->Map field and leave Data simply for
-       * storage.
-       */
-      assert(intelImage->base.Data);
-   }
-
-
-   if (compressed) {
-      _mesa_get_compressed_teximage(ctx, target, level, pixels,
-				    texObj, texImage);
-   } else {
-      _mesa_get_teximage(ctx, target, level, format, type, pixels,
-			 texObj, texImage);
-   }
-     
-
-   /* Unmap */
-   if (intelImage->mt) {
-      intel_miptree_image_unmap(intel, intelImage->mt);
-      intelImage->base.Data = NULL;
-   }
-}
-
-void
-intelGetTexImage(GLcontext * ctx, GLenum target, GLint level,
-                 GLenum format, GLenum type, GLvoid * pixels,
-                 struct gl_texture_object *texObj,
-                 struct gl_texture_image *texImage)
-{
-   intel_get_tex_image(ctx, target, level, format, type, pixels,
-		       texObj, texImage, 0);
-
-
-}
-
-void
-intelGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
-			   GLvoid *pixels,
-			   const struct gl_texture_object *texObj,
-			   const struct gl_texture_image *texImage)
-{
-   intel_get_tex_image(ctx, target, level, 0, 0, pixels,
-		       texObj, texImage, 1);
-
-}
-
-void
-intelSetTexOffset(__DRIcontext *pDRICtx, GLint texname,
-		  unsigned long long offset, GLint depth, GLuint pitch)
-{
-   struct intel_context *intel = (struct intel_context*)
-      ((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate;
-   struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname);
-   struct intel_texture_object *intelObj = intel_texture_object(tObj);
-
-   if (!intelObj)
-      return;
-
-   if (intelObj->mt)
-      intel_miptree_release(intel, &intelObj->mt);
-
-   intelObj->imageOverride = GL_TRUE;
-   intelObj->depthOverride = depth;
-   intelObj->pitchOverride = pitch;
-
-   if (offset)
-      intelObj->textureOffset = offset;
-}