diff options
Diffstat (limited to 'src/mesa/drivers/dri/mga/mgatexmem.c')
-rw-r--r-- | src/mesa/drivers/dri/mga/mgatexmem.c | 278 |
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 <[email protected]> - */ - -#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; -} |