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Diffstat (limited to 'src/mesa/drivers/dri/i830/i830_texmem.c')
-rw-r--r--src/mesa/drivers/dri/i830/i830_texmem.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/src/mesa/drivers/dri/i830/i830_texmem.c b/src/mesa/drivers/dri/i830/i830_texmem.c
deleted file mode 100644
index 7faf90874c..0000000000
--- a/src/mesa/drivers/dri/i830/i830_texmem.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/**************************************************************************
-
-Copyright 2001 2d3d Inc., Delray Beach, FL
-
-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
-ATI, VA LINUX SYSTEMS AND/OR THEIR 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.
-
-**************************************************************************/
-
-/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_texmem.c,v 1.3 2002/12/10 01:26:53 dawes Exp $ */
-
-/*
- * Author:
- * Jeff Hartmann <jhartmann@2d3d.com>
- *
- * Heavily based on the I810 driver, which was written by:
- * Keith Whitwell <keithw@tungstengraphics.com>
- */
-
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "simple_list.h"
-#include "enums.h"
-#include "texformat.h"
-
-#include "i830_screen.h"
-#include "i830_dri.h"
-
-#include "i830_context.h"
-#include "i830_tex.h"
-#include "i830_state.h"
-#include "i830_ioctl.h"
-
-
-void i830DestroyTexObj(i830ContextPtr imesa, i830TextureObjectPtr t)
-{
- unsigned i;
-
-
- /* See if it was the driver's current object.
- */
- if ( imesa != NULL ) {
- for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
- if ( t == imesa->CurrentTexObj[ i ] ) {
- imesa->CurrentTexObj[ i ] = NULL;
- imesa->dirty &= ~I830_UPLOAD_TEX_N( i );
- }
- }
- }
-}
-
-#if defined(i386) || defined(__i386__)
-/* From linux kernel i386 header files, copes with odd sizes better
- * than COPY_DWORDS would:
- */
-static __inline__ void * __memcpy(void * to, const void * from, size_t n)
-{
-int d0, d1, d2;
-__asm__ __volatile__(
- "rep ; movsl\n\t"
- "testb $2,%b4\n\t"
- "je 1f\n\t"
- "movsw\n"
- "1:\ttestb $1,%b4\n\t"
- "je 2f\n\t"
- "movsb\n"
- "2:"
- : "=&c" (d0), "=&D" (d1), "=&S" (d2)
- :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
- : "memory");
-return (to);
-}
-#else
-/* Allow compilation on other architectures */
-#define __memcpy memcpy
-#endif
-
-/* Upload an image from mesa's internal copy.
- */
-static void i830UploadTexLevel( i830ContextPtr imesa,
- i830TextureObjectPtr t, int hwlevel )
-{
- const struct gl_texture_image *image = t->image[0][hwlevel].image;
- int j;
-
- if (!image || !image->Data)
- return;
-
- if (image->IsCompressed) {
- GLubyte *dst = (GLubyte *)(t->BufAddr + t->image[0][hwlevel].offset);
- GLubyte *src = (GLubyte *)image->Data;
-
- if ((t->Setup[I830_TEXREG_TM0S1] & TM0S1_MT_FORMAT_MASK)==MT_COMPRESS_FXT1)
- {
- for (j = 0 ; j < image->Height/4 ; j++, dst += (t->Pitch)) {
- __memcpy(dst, src, (image->Width*2) );
- src += image->Width*2;
- }
- }
- else if ((t->Setup[I830_TEXREG_TM0S1] & TM0S1_MT_FORMAT_MASK)==MT_COMPRESS_DXT1)
- {
- for (j = 0 ; j < image->Height/4 ; j++, dst += (t->Pitch)) {
- __memcpy(dst, src, (image->Width*2) );
- src += image->Width*2;
- }
- }
- else if (((t->Setup[I830_TEXREG_TM0S1] & TM0S1_MT_FORMAT_MASK)==MT_COMPRESS_DXT2_3) || ((t->Setup[I830_TEXREG_TM0S1] & TM0S1_MT_FORMAT_MASK)==MT_COMPRESS_DXT4_5))
- {
- for (j = 0 ; j < image->Height/4 ; j++, dst += (t->Pitch)) {
- __memcpy(dst, src, (image->Width*4) );
- src += image->Width*4;
- }
- }
- }
- else if (image->Width * image->TexFormat->TexelBytes == t->Pitch) {
- GLubyte *dst = (GLubyte *)(t->BufAddr + t->image[0][hwlevel].offset);
- GLubyte *src = (GLubyte *)image->Data;
-
- memcpy( dst, src, t->Pitch * image->Height );
- }
- else switch (image->TexFormat->TexelBytes) {
- case 1:
- {
- GLubyte *dst = (GLubyte *)(t->BufAddr + t->image[0][hwlevel].offset);
- GLubyte *src = (GLubyte *)image->Data;
-
- for (j = 0 ; j < image->Height ; j++, dst += t->Pitch) {
- __memcpy(dst, src, image->Width );
- src += image->Width;
- }
- }
- break;
-
- case 2:
- {
- GLushort *dst = (GLushort *)(t->BufAddr + t->image[0][hwlevel].offset);
- GLushort *src = (GLushort *)image->Data;
-
- for (j = 0 ; j < image->Height ; j++, dst += (t->Pitch/2)) {
- __memcpy(dst, src, image->Width * 2 );
- src += image->Width;
- }
- }
- break;
-
- case 4:
- {
- GLuint *dst = (GLuint *)(t->BufAddr + t->image[0][hwlevel].offset);
- GLuint *src = (GLuint *)image->Data;
-
- for (j = 0 ; j < image->Height ; j++, dst += (t->Pitch/4)) {
- __memcpy(dst, src, image->Width * 4 );
- src += image->Width;
- }
- }
- break;
-
- default:
- fprintf(stderr, "%s: Not supported texel size %d\n",
- __FUNCTION__, image->TexFormat->TexelBytes);
- }
-}
-
-
-/* This is called with the lock held. May have to eject our own and/or
- * other client's texture objects to make room for the upload.
- */
-
-int i830UploadTexImagesLocked( i830ContextPtr imesa, i830TextureObjectPtr t )
-{
- int ofs;
- int i;
-
- if ( t->base.memBlock == NULL ) {
- int heap;
-
- heap = driAllocateTexture( imesa->texture_heaps, imesa->nr_heaps,
- (driTextureObject *) t );
- if ( heap == -1 ) {
- return -1;
- }
-
- /* Set the base offset of the texture image */
- ofs = t->base.memBlock->ofs;
- t->BufAddr = imesa->i830Screen->tex.map + ofs;
- t->Setup[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE |
- (imesa->i830Screen->textureOffset + ofs));
-
- for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
- if (t == imesa->CurrentTexObj[i]) {
- imesa->dirty |= I830_UPLOAD_TEX_N( i );
- }
- }
- }
-
-
- /* Let the world know we've used this memory recently.
- */
- driUpdateTextureLRU( (driTextureObject *) t );
-
- if (imesa->texture_heaps[0]->timestamp >= GET_DISPATCH_AGE(imesa))
- i830WaitAgeLocked( imesa, imesa->texture_heaps[0]->timestamp );
-
- /* Upload any images that are new */
- if (t->base.dirty_images[0]) {
- const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
-
- for (i = 0 ; i < numLevels ; i++) {
- if ( (t->base.dirty_images[0] & (1 << (i+t->base.firstLevel))) != 0 ) {
- i830UploadTexLevel( imesa, t, i );
- }
- }
- t->base.dirty_images[0] = 0;
- imesa->sarea->perf_boxes |= I830_BOX_TEXTURE_LOAD;
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-27 18:27:04 +0000