diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_texmem.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_texmem.c | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_texmem.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_texmem.c new file mode 100644 index 000000000..7472afeed --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_texmem.c @@ -0,0 +1,526 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_texmem.c,v 1.5 2002/12/17 00:32:56 dawes Exp $ */ +/************************************************************************** + +Copyright (C) Tungsten Graphics 2002. All Rights Reserved. +The Weather Channel, Inc. funded Tungsten Graphics to develop the +initial release of the Radeon 8500 driver under the XFree86 +license. This notice must be preserved. + +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. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * + */ + +#include <errno.h> + +#include "glheader.h" +#include "imports.h" +#include "context.h" +#include "colormac.h" +#include "macros.h" +#include "r200_context.h" +#include "r200_ioctl.h" +#include "r200_tex.h" +#include "radeon_reg.h" + +#include <unistd.h> /* for usleep() */ + + +/** + * Destroy any device-dependent state associated with the texture. This may + * include NULLing out hardware state that points to the texture. + */ +void +r200DestroyTexObj( r200ContextPtr rmesa, r200TexObjPtr t ) +{ + if ( R200_DEBUG & DEBUG_TEXTURE ) { + fprintf( stderr, "%s( %p, %p )\n", __FUNCTION__, + (void *)t, (void *)t->base.tObj ); + } + + if ( rmesa != NULL ) { + unsigned i; + + + for ( i = 0 ; i < rmesa->glCtx->Const.MaxTextureUnits ; i++ ) { + if ( t == rmesa->state.texture.unit[i].texobj ) { + rmesa->state.texture.unit[i].texobj = NULL; + rmesa->hw.tex[i].dirty = GL_FALSE; + rmesa->hw.cube[i].dirty = GL_FALSE; + } + } + } +} + + +/* ------------------------------------------------------------ + * Texture image conversions + */ + + +static void r200UploadGARTClientSubImage( r200ContextPtr rmesa, + r200TexObjPtr t, + struct gl_texture_image *texImage, + GLint hwlevel, + GLint x, GLint y, + GLint width, GLint height ) +{ + const struct gl_texture_format *texFormat = texImage->TexFormat; + GLuint srcPitch, dstPitch; + int blit_format; + int srcOffset; + + /* + * XXX it appears that we always upload the full image, not a subimage. + * I.e. x==0, y==0, width=texWidth, height=texWidth. If this is ever + * changed, the src pitch will have to change. + */ + switch ( texFormat->TexelBytes ) { + case 1: + blit_format = R200_CP_COLOR_FORMAT_CI8; + srcPitch = t->image[0][0].width * texFormat->TexelBytes; + dstPitch = t->image[0][0].width * texFormat->TexelBytes; + break; + case 2: + blit_format = R200_CP_COLOR_FORMAT_RGB565; + srcPitch = t->image[0][0].width * texFormat->TexelBytes; + dstPitch = t->image[0][0].width * texFormat->TexelBytes; + break; + case 4: + blit_format = R200_CP_COLOR_FORMAT_ARGB8888; + srcPitch = t->image[0][0].width * texFormat->TexelBytes; + dstPitch = t->image[0][0].width * texFormat->TexelBytes; + break; + default: + return; + } + + t->image[0][hwlevel].data = texImage->Data; + srcOffset = r200GartOffsetFromVirtual( rmesa, texImage->Data ); + + assert( srcOffset != ~0 ); + + /* Don't currently need to cope with small pitches? + */ + width = texImage->Width; + height = texImage->Height; + + r200EmitWait( rmesa, RADEON_WAIT_3D ); + + r200EmitBlit( rmesa, blit_format, + srcPitch, + srcOffset, + dstPitch, + t->bufAddr, + x, + y, + t->image[0][hwlevel].x + x, + t->image[0][hwlevel].y + y, + width, + height ); + + r200EmitWait( rmesa, RADEON_WAIT_2D ); +} + +static void r200UploadRectSubImage( r200ContextPtr rmesa, + r200TexObjPtr t, + struct gl_texture_image *texImage, + GLint x, GLint y, + GLint width, GLint height ) +{ + const struct gl_texture_format *texFormat = texImage->TexFormat; + int blit_format, dstPitch, done; + + switch ( texFormat->TexelBytes ) { + case 1: + blit_format = R200_CP_COLOR_FORMAT_CI8; + break; + case 2: + blit_format = R200_CP_COLOR_FORMAT_RGB565; + break; + case 4: + blit_format = R200_CP_COLOR_FORMAT_ARGB8888; + break; + default: + return; + } + + t->image[0][0].data = texImage->Data; + + /* Currently don't need to cope with small pitches. + */ + width = texImage->Width; + height = texImage->Height; + dstPitch = t->pp_txpitch + 32; + + if (rmesa->prefer_gart_client_texturing && texImage->IsClientData) { + /* In this case, could also use GART texturing. This is + * currently disabled, but has been tested & works. + */ + t->pp_txoffset = r200GartOffsetFromVirtual( rmesa, texImage->Data ); + t->pp_txpitch = texImage->RowStride * texFormat->TexelBytes - 32; + + if (R200_DEBUG & DEBUG_TEXTURE) + fprintf(stderr, + "Using GART texturing for rectangular client texture\n"); + + /* Release FB memory allocated for this image: + */ + /* FIXME This may not be correct as driSwapOutTextureObject sets + * FIXME dirty_images. It may be fine, though. + */ + if ( t->base.memBlock ) { + driSwapOutTextureObject( (driTextureObject *) t ); + } + } + else if (texImage->IsClientData) { + /* Data already in GART memory, with usable pitch. + */ + GLuint srcPitch; + srcPitch = texImage->RowStride * texFormat->TexelBytes; + r200EmitBlit( rmesa, + blit_format, + srcPitch, + r200GartOffsetFromVirtual( rmesa, texImage->Data ), + dstPitch, t->bufAddr, + 0, 0, + 0, 0, + width, height ); + } + else { + /* Data not in GART memory, or bad pitch. + */ + for (done = 0; done < height ; ) { + struct r200_dma_region region; + int lines = MIN2( height - done, RADEON_BUFFER_SIZE / dstPitch ); + int src_pitch; + char *tex; + + src_pitch = texImage->RowStride * texFormat->TexelBytes; + + tex = (char *)texImage->Data + done * src_pitch; + + memset(®ion, 0, sizeof(region)); + r200AllocDmaRegion( rmesa, ®ion, lines * dstPitch, 1024 ); + + /* Copy texdata to dma: + */ + if (0) + fprintf(stderr, "%s: src_pitch %d dst_pitch %d\n", + __FUNCTION__, src_pitch, dstPitch); + + if (src_pitch == dstPitch) { + memcpy( region.address + region.start, tex, lines * src_pitch ); + } + else { + char *buf = region.address + region.start; + int i; + for (i = 0 ; i < lines ; i++) { + memcpy( buf, tex, src_pitch ); + buf += dstPitch; + tex += src_pitch; + } + } + + r200EmitWait( rmesa, RADEON_WAIT_3D ); + + /* Blit to framebuffer + */ + r200EmitBlit( rmesa, + blit_format, + dstPitch, GET_START( ®ion ), + dstPitch | (t->tile_bits >> 16), + t->bufAddr, + 0, 0, + 0, done, + width, lines ); + + r200EmitWait( rmesa, RADEON_WAIT_2D ); + + r200ReleaseDmaRegion( rmesa, ®ion, __FUNCTION__ ); + done += lines; + } + } +} + + +/** + * Upload the texture image associated with texture \a t at the specified + * level at the address relative to \a start. + */ +static void uploadSubImage( r200ContextPtr rmesa, r200TexObjPtr t, + GLint hwlevel, + GLint x, GLint y, GLint width, GLint height, + GLuint face ) +{ + struct gl_texture_image *texImage = NULL; + GLuint offset; + GLint imageWidth, imageHeight; + GLint ret; + drm_radeon_texture_t tex; + drm_radeon_tex_image_t tmp; + const int level = hwlevel + t->base.firstLevel; + + if ( R200_DEBUG & DEBUG_TEXTURE ) { + fprintf( stderr, "%s( %p, %p ) level/width/height/face = %d/%d/%d/%u\n", + __FUNCTION__, (void *)t, (void *)t->base.tObj, + level, width, height, face ); + } + + ASSERT(face < 6); + + /* Ensure we have a valid texture to upload */ + if ( ( hwlevel < 0 ) || ( hwlevel >= RADEON_MAX_TEXTURE_LEVELS ) ) { + _mesa_problem(NULL, "bad texture level in %s", __FUNCTION__); + return; + } + + texImage = t->base.tObj->Image[face][level]; + + if ( !texImage ) { + if ( R200_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: texImage %d is NULL!\n", __FUNCTION__, level ); + return; + } + if ( !texImage->Data ) { + if ( R200_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: image data is NULL!\n", __FUNCTION__ ); + return; + } + + + if (t->base.tObj->Target == GL_TEXTURE_RECTANGLE_NV) { + assert(level == 0); + assert(hwlevel == 0); + if ( R200_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: image data is rectangular\n", __FUNCTION__); + r200UploadRectSubImage( rmesa, t, texImage, x, y, width, height ); + return; + } + else if (texImage->IsClientData) { + if ( R200_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: image data is in GART client storage\n", + __FUNCTION__); + r200UploadGARTClientSubImage( rmesa, t, texImage, hwlevel, + x, y, width, height ); + return; + } + else if ( R200_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: image data is in normal memory\n", + __FUNCTION__); + + + imageWidth = texImage->Width; + imageHeight = texImage->Height; + + offset = t->bufAddr + t->base.totalSize / 6 * face; + + if ( R200_DEBUG & (DEBUG_TEXTURE|DEBUG_IOCTL) ) { + GLint imageX = 0; + GLint imageY = 0; + GLint blitX = t->image[face][hwlevel].x; + GLint blitY = t->image[face][hwlevel].y; + GLint blitWidth = t->image[face][hwlevel].width; + GLint blitHeight = t->image[face][hwlevel].height; + fprintf( stderr, " upload image: %d,%d at %d,%d\n", + imageWidth, imageHeight, imageX, imageY ); + fprintf( stderr, " upload blit: %d,%d at %d,%d\n", + blitWidth, blitHeight, blitX, blitY ); + fprintf( stderr, " blit ofs: 0x%07x level: %d/%d\n", + (GLuint)offset, hwlevel, level ); + } + + t->image[face][hwlevel].data = texImage->Data; + + /* Init the DRM_RADEON_TEXTURE command / drm_radeon_texture_t struct. + * NOTE: we're always use a 1KB-wide blit and I8 texture format. + * We used to use 1, 2 and 4-byte texels and used to use the texture + * width to dictate the blit width - but that won't work for compressed + * textures. (Brian) + * NOTE: can't do that with texture tiling. (sroland) + */ + tex.offset = offset; + tex.image = &tmp; + /* copy (x,y,width,height,data) */ + memcpy( &tmp, &t->image[face][hwlevel], sizeof(tmp) ); + + if (texImage->TexFormat->TexelBytes) { + /* use multi-byte upload scheme */ + tex.height = imageHeight; + tex.width = imageWidth; + tex.format = t->pp_txformat & R200_TXFORMAT_FORMAT_MASK; + tex.pitch = MAX2((texImage->Width * texImage->TexFormat->TexelBytes) / 64, 1); + tex.offset += tmp.x & ~1023; + tmp.x = tmp.x % 1024; + if (t->tile_bits & R200_TXO_MICRO_TILE) { + /* need something like "tiled coordinates" ? */ + tmp.y = tmp.x / (tex.pitch * 128) * 2; + tmp.x = tmp.x % (tex.pitch * 128) / 2 / texImage->TexFormat->TexelBytes; + tex.pitch |= RADEON_DST_TILE_MICRO >> 22; + } + else { + tmp.x = tmp.x >> (texImage->TexFormat->TexelBytes >> 1); + } + if ((t->tile_bits & R200_TXO_MACRO_TILE) && + (texImage->Width * texImage->TexFormat->TexelBytes >= 256) && + ((!(t->tile_bits & R200_TXO_MICRO_TILE) && (texImage->Height >= 8)) || + (texImage->Height >= 16))) { + /* weird: R200 disables macro tiling if mip width is smaller than 256 bytes, + OR if height is smaller than 8 automatically, but if micro tiling is active + the limit is height 16 instead ? */ + tex.pitch |= RADEON_DST_TILE_MACRO >> 22; + } + } + else { + /* In case of for instance 8x8 texture (2x2 dxt blocks), padding after the first two blocks is + needed (only with dxt1 since 2 dxt3/dxt5 blocks already use 32 Byte). */ + /* set tex.height to 1/4 since 1 "macropixel" (dxt-block) has 4 real pixels. Needed + so the kernel module reads the right amount of data. */ + tex.format = R200_TXFORMAT_I8; /* any 1-byte texel format */ + tex.pitch = (BLIT_WIDTH_BYTES / 64); + tex.height = (imageHeight + 3) / 4; + tex.width = (imageWidth + 3) / 4; + switch (t->pp_txformat & R200_TXFORMAT_FORMAT_MASK) { + case R200_TXFORMAT_DXT1: + tex.width *= 8; + break; + case R200_TXFORMAT_DXT23: + case R200_TXFORMAT_DXT45: + tex.width *= 16; + break; + default: + fprintf(stderr, "unknown compressed tex format in uploadSubImage\n"); + } + } + + LOCK_HARDWARE( rmesa ); + do { + ret = drmCommandWriteRead( rmesa->dri.fd, DRM_RADEON_TEXTURE, + &tex, sizeof(drm_radeon_texture_t) ); + if (ret) { + if (R200_DEBUG & DEBUG_IOCTL) + fprintf(stderr, "DRM_RADEON_TEXTURE: again!\n"); + usleep(1); + } + } while ( ret && errno == EAGAIN ); + + UNLOCK_HARDWARE( rmesa ); + + if ( ret ) { + fprintf( stderr, "DRM_RADEON_TEXTURE: return = %d\n", ret ); + fprintf( stderr, " offset=0x%08x\n", + offset ); + fprintf( stderr, " image width=%d height=%d\n", + imageWidth, imageHeight ); + fprintf( stderr, " blit width=%d height=%d data=%p\n", + t->image[face][hwlevel].width, t->image[face][hwlevel].height, + t->image[face][hwlevel].data ); + exit( 1 ); + } +} + + +/** + * Upload the texture images associated with texture \a t. This might + * require the allocation of texture memory. + * + * \param rmesa Context pointer + * \param t Texture to be uploaded + * \param face Cube map face to be uploaded. Zero for non-cube maps. + */ + +int r200UploadTexImages( r200ContextPtr rmesa, r200TexObjPtr t, GLuint face ) +{ + const int numLevels = t->base.lastLevel - t->base.firstLevel + 1; + + if ( R200_DEBUG & (DEBUG_TEXTURE|DEBUG_IOCTL) ) { + fprintf( stderr, "%s( %p, %p ) sz=%d lvls=%d-%d\n", __FUNCTION__, + (void *)rmesa->glCtx, (void *)t->base.tObj, t->base.totalSize, + t->base.firstLevel, t->base.lastLevel ); + } + + if ( !t || t->base.totalSize == 0 ) + return 0; + + if (R200_DEBUG & DEBUG_SYNC) { + fprintf(stderr, "%s: Syncing\n", __FUNCTION__ ); + r200Finish( rmesa->glCtx ); + } + + LOCK_HARDWARE( rmesa ); + + if ( t->base.memBlock == NULL ) { + int heap; + + heap = driAllocateTexture( rmesa->texture_heaps, rmesa->nr_heaps, + (driTextureObject *) t ); + if ( heap == -1 ) { + UNLOCK_HARDWARE( rmesa ); + return -1; + } + + /* Set the base offset of the texture image */ + t->bufAddr = rmesa->r200Screen->texOffset[heap] + + t->base.memBlock->ofs; + t->pp_txoffset = t->bufAddr; + + if (!(t->base.tObj->Image[0][0]->IsClientData)) { + /* hope it's safe to add that here... */ + t->pp_txoffset |= t->tile_bits; + } + + /* Mark this texobj as dirty on all units: + */ + t->dirty_state = TEX_ALL; + } + + /* Let the world know we've used this memory recently. + */ + driUpdateTextureLRU( (driTextureObject *) t ); + UNLOCK_HARDWARE( rmesa ); + + /* Upload any images that are new */ + if (t->base.dirty_images[face]) { + int i; + for ( i = 0 ; i < numLevels ; i++ ) { + if ( (t->base.dirty_images[face] & (1 << (i+t->base.firstLevel))) != 0 ) { + uploadSubImage( rmesa, t, i, 0, 0, t->image[face][i].width, + t->image[face][i].height, face ); + } + } + t->base.dirty_images[face] = 0; + } + + + if (R200_DEBUG & DEBUG_SYNC) { + fprintf(stderr, "%s: Syncing\n", __FUNCTION__ ); + r200Finish( rmesa->glCtx ); + } + + return 0; +} |