summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/mga/mgatexmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/mga/mgatexmem.c')
-rw-r--r--src/mesa/drivers/dri/mga/mgatexmem.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/src/mesa/drivers/dri/mga/mgatexmem.c b/src/mesa/drivers/dri/mga/mgatexmem.c
deleted file mode 100644
index 58afbbb279e..00000000000
--- a/src/mesa/drivers/dri/mga/mgatexmem.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Copyright 2000-2001 VA Linux Systems, Inc.
- * 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
- * on 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
- * VA LINUX SYSTEMS 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.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "main/glheader.h"
-
-#include "main/mm.h"
-#include "mgacontext.h"
-#include "mgatex.h"
-#include "mgaregs.h"
-#include "mgaioctl.h"
-#include "mga_xmesa.h"
-
-#include "main/imports.h"
-#include "main/simple_list.h"
-
-/**
- * Destroy any device-dependent state associated with the texture. This may
- * include NULLing out hardware state that points to the texture.
- */
-void
-mgaDestroyTexObj( mgaContextPtr mmesa, mgaTextureObjectPtr t )
-{
- unsigned i;
-
-
- /* See if it was the driver's current object.
- */
-
- if ( mmesa != NULL )
- {
- if ( t->age > mmesa->dirtyAge )
- mmesa->dirtyAge = t->age;
-
- for ( i = 0 ; i < mmesa->glCtx->Const.MaxTextureUnits ; i++ )
- {
- if ( t == mmesa->CurrentTexObj[ i ] ) {
- mmesa->CurrentTexObj[ i ] = NULL;
- }
- }
- }
-}
-
-
-/**
- * Upload a texture image from system memory to either on-card or AGP
- * memory. Uploads to on-card memory are performed using an ILOAD operation.
- * This is used for both initial loading of the entire image, and texSubImage
- * updates.
- *
- * Performed with the hardware lock held.
- *
- * Even though this function is named "upload subimage," the entire image
- * is uploaded.
- *
- * \param mmesa Driver context.
- * \param t Texture to be uploaded.
- * \param hwlevel Mipmap level of the texture to be uploaded.
- *
- * \bug As mentioned above, this fuction actually copies the entier mipmap
- * level. There should be a version of this function that performs
- * sub-rectangle uploads. This will perform quite a bit better if only
- * a small portion of a larger texture has been updated. Care would
- * need to be take with such an implementation once glCopyTexImage has
- * been hardware accelerated.
- */
-static void mgaUploadSubImage( mgaContextPtr mmesa,
- mgaTextureObjectPtr t, GLint hwlevel )
-{
- struct gl_texture_image * texImage;
- unsigned offset;
- unsigned texelBytes;
- unsigned length;
- const int level = hwlevel + t->base.firstLevel;
-
-
- if ( (hwlevel < 0)
- || (hwlevel >= (MGA_IS_G200(mmesa)
- ? G200_TEX_MAXLEVELS : G400_TEX_MAXLEVELS)) ) {
- fprintf( stderr, "[%s:%d] level = %d\n", __FILE__, __LINE__, level );
- return;
- }
-
- texImage = t->base.tObj->Image[0][level];
- if ( texImage == NULL ) {
- fprintf( stderr, "[%s:%d] Image[%d] = NULL\n", __FILE__, __LINE__,
- level );
- return;
- }
-
-
- if (texImage->Data == NULL) {
- fprintf(stderr, "null texture image data tObj %p level %d\n",
- (void *) t->base.tObj, level);
- return;
- }
-
-
- /* find the proper destination offset for this level */
- if ( MGA_IS_G200(mmesa) ) {
- offset = (t->base.memBlock->ofs + t->offsets[hwlevel]);
- }
- else {
- unsigned i;
-
- offset = t->base.memBlock->ofs;
- for ( i = 0 ; i < hwlevel ; i++ ) {
- offset += (t->offsets[1] >> (i * 2));
- }
- }
-
-
- /* Copy the texture from system memory to a memory space that can be
- * directly used by the hardware for texturing.
- */
-
- texelBytes = _mesa_get_format_bytes(texImage->TexFormat);
- length = texImage->Width * texImage->Height * texelBytes;
- if ( t->base.heap->heapId == MGA_CARD_HEAP ) {
- unsigned tex_offset = 0;
- unsigned to_copy;
-
-
- /* We may not be able to upload the entire texture in one batch due to
- * register limits or dma buffer limits. Split the copy up into maximum
- * sized chunks.
- */
-
- offset += mmesa->mgaScreen->textureOffset[ t->base.heap->heapId ];
- while ( length != 0 ) {
- mgaGetILoadBufferLocked( mmesa );
-
- /* The kernel ILOAD ioctl requires that the lenght be an even multiple
- * of MGA_ILOAD_ALIGN.
- */
- length = ((length) + MGA_ILOAD_MASK) & ~MGA_ILOAD_MASK;
-
- to_copy = MIN2( length, MGA_BUFFER_SIZE );
- (void) memcpy( mmesa->iload_buffer->address,
- (GLubyte *) texImage->Data + tex_offset, to_copy );
-
- if ( MGA_DEBUG & DEBUG_VERBOSE_TEXTURE )
- fprintf(stderr, "[%s:%d] address/size = 0x%08lx/%d\n",
- __FILE__, __LINE__,
- (long) (offset + tex_offset),
- to_copy );
-
- mgaFireILoadLocked( mmesa, offset + tex_offset, to_copy );
- tex_offset += to_copy;
- length -= to_copy;
- }
- } else {
- /* FIXME: the sync for direct copy reduces speed.. */
- /* This works, is slower for uploads to card space and needs
- * additional synchronization with the dma stream.
- */
-
- UPDATE_LOCK(mmesa, DRM_LOCK_FLUSH | DRM_LOCK_QUIESCENT);
-
- memcpy( mmesa->mgaScreen->texVirtual[t->base.heap->heapId] + offset,
- texImage->Data, length );
-
- if ( MGA_DEBUG & DEBUG_VERBOSE_TEXTURE )
- fprintf(stderr, "[%s:%d] address/size = 0x%08lx/%d\n",
- __FILE__, __LINE__,
- (long) (mmesa->mgaScreen->texVirtual[t->base.heap->heapId]
- + offset),
- length);
- }
-}
-
-
-/**
- * Upload the texture images associated with texture \a t. This might
- * require the allocation of texture memory.
- *
- * \param mmesa Context pointer
- * \param t Texture to be uploaded
- */
-
-int mgaUploadTexImages( mgaContextPtr mmesa, mgaTextureObjectPtr t )
-{
- int i;
- int ofs;
-
-
- if ( (t == NULL) || (t->base.totalSize == 0) )
- return 0;
-
- LOCK_HARDWARE( mmesa );
-
- if (t->base.memBlock == NULL ) {
- int heap;
-
- heap = driAllocateTexture( mmesa->texture_heaps, mmesa->nr_heaps,
- (driTextureObject *) t );
- if ( heap == -1 ) {
- UNLOCK_HARDWARE( mmesa );
- return -1;
- }
-
- assert(t->base.memBlock);
- ofs = mmesa->mgaScreen->textureOffset[ heap ]
- + t->base.memBlock->ofs;
-
- if ( MGA_IS_G200(mmesa) ) {
- t->setup.texorg = ofs;
- t->setup.texorg1 = ofs + t->offsets[1];
- t->setup.texorg2 = ofs + t->offsets[2];
- t->setup.texorg3 = ofs + t->offsets[3];
- t->setup.texorg4 = ofs + t->offsets[4];
- }
- else {
- t->setup.texorg = ofs | TO_texorgoffsetsel;
- t->setup.texorg1 = t->offsets[1];
- t->setup.texorg2 = 0;
- t->setup.texorg3 = 0;
- t->setup.texorg4 = 0;
- }
-
- mmesa->dirty |= MGA_UPLOAD_CONTEXT;
- }
-
- /* Let the world know we've used this memory recently.
- */
- driUpdateTextureLRU( (driTextureObject *) t );
-
- if (MGA_DEBUG&DEBUG_VERBOSE_TEXTURE)
- fprintf(stderr, "[%s:%d] dispatch age: %d age freed memory: %d\n",
- __FILE__, __LINE__,
- GET_DISPATCH_AGE(mmesa), mmesa->dirtyAge);
-
- if (mmesa->dirtyAge >= GET_DISPATCH_AGE(mmesa))
- mgaWaitAgeLocked( mmesa, mmesa->dirtyAge );
-
- if (t->base.dirty_images[0]) {
- const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
-
- if (MGA_DEBUG&DEBUG_VERBOSE_TEXTURE)
- fprintf(stderr, "[%s:%d] dirty_images[0] = 0x%04x\n",
- __FILE__, __LINE__, t->base.dirty_images[0] );
-
- for (i = 0 ; i < numLevels ; i++) {
- if ( (t->base.dirty_images[0] & (1U << i)) != 0 ) {
- mgaUploadSubImage( mmesa, t, i );
- }
- }
- t->base.dirty_images[0] = 0;
- }
-
-
- UNLOCK_HARDWARE( mmesa );
-
- return 0;
-}