From 4aeaff2ae7f4a4b209e0d0ee2081b592951b7054 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 25 Sep 2005 10:20:38 +0000 Subject: Add support for texture compression to R300 driver This isn't perfect, texcmp still has some issues with the small textures.. but its a good start --- src/mesa/drivers/dri/r300/r300_texmem.c | 325 +++++++++++++++++--------------- 1 file changed, 174 insertions(+), 151 deletions(-) (limited to 'src/mesa/drivers/dri/r300/r300_texmem.c') diff --git a/src/mesa/drivers/dri/r300/r300_texmem.c b/src/mesa/drivers/dri/r300/r300_texmem.c index ca392762ad..64fed681f1 100644 --- a/src/mesa/drivers/dri/r300/r300_texmem.c +++ b/src/mesa/drivers/dri/r300/r300_texmem.c @@ -276,162 +276,185 @@ static void r300UploadRectSubImage(r300ContextPtr rmesa, * Upload the texture image associated with texture \a t at the specified * level at the address relative to \a start. */ -static void uploadSubImage(r300ContextPtr rmesa, r300TexObjPtr t, - GLint hwlevel, - GLint x, GLint y, GLint width, GLint height, - GLuint face) +static void uploadSubImage( r300ContextPtr rmesa, r300TexObjPtr 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 (RADEON_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 (RADEON_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, "%s: texImage %d is NULL!\n", - __FUNCTION__, level); - return; - } - if (!texImage->Data) { - if (RADEON_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 (RADEON_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, "%s: image data is rectangular\n", - __FUNCTION__); - r300UploadRectSubImage(rmesa, t, texImage, x, y, width, height); - return; - } else if (texImage->IsClientData) { - if (RADEON_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, - "%s: image data is in GART client storage\n", - __FUNCTION__); - r300UploadGARTClientSubImage(rmesa, t, texImage, hwlevel, x, y, - width, height); - return; - } else if (RADEON_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, "%s: image data is in normal memory\n", - __FUNCTION__); - - imageWidth = texImage->Width; - imageHeight = texImage->Height; - - offset = t->bufAddr; - - if (RADEON_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) - */ - - tex.offset = offset; - tex.pitch = BLIT_WIDTH_BYTES / 64; - tex.format = R200_TXFORMAT_I8; /* any 1-byte texel format */ -#if 0 /* I am not sure HOSTDATA_BLT actually works.. Experiment here - V.D */ - tex.format = R200_TXFORMAT_RGBA8888; /* any 4-byte texel format */ -#endif - if (texImage->TexFormat->TexelBytes) { - tex.width = imageWidth * texImage->TexFormat->TexelBytes; /* in bytes */ - tex.height = imageHeight; - } else { - tex.width = imageWidth; /* compressed */ - tex.height = imageHeight; - if (tex.height < 4) - tex.height = 4; - } - tex.image = &tmp; + 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 ( RADEON_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 ( RADEON_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: texImage %d is NULL!\n", __FUNCTION__, level ); + return; + } + if ( !texImage->Data ) { + if ( RADEON_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 ( RADEON_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: image data is rectangular\n", __FUNCTION__); + r300UploadRectSubImage( rmesa, t, texImage, x, y, width, height ); + return; + } + else if (texImage->IsClientData) { + if ( RADEON_DEBUG & DEBUG_TEXTURE ) + fprintf( stderr, "%s: image data is in GART client storage\n", + __FUNCTION__); + r300UploadGARTClientSubImage( rmesa, t, texImage, hwlevel, + x, y, width, height ); + return; + } + else if ( RADEON_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 ( RADEON_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; + switch(texImage->TexFormat->TexelBytes) { + case 1: + tex.format = RADEON_TXFORMAT_I8; + break; + case 2: + tex.format = RADEON_TXFORMAT_AI88; + break; + case 4: + tex.format = RADEON_TXFORMAT_ARGB8888; + break; + } + tex.pitch = MAX2((texImage->Width * texImage->TexFormat->TexelBytes) / 64, 1); + tex.offset += tmp.x & ~1023; + tmp.x = tmp.x % 1024; #if 0 - tex.width /= 4; + 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 #endif - - /* copy (x,y,width,height,data) */ - memcpy(&tmp, &t->image[face][hwlevel], sizeof(tmp)); + { + tmp.x = tmp.x >> (texImage->TexFormat->TexelBytes >> 1); + } #if 0 - tex.image->width /=4; + 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; + } #endif - -#if 0 - sleep(1); - - fprintf(stderr, "*** Uploading texture\n"); - 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); -#endif - - LOCK_HARDWARE(&rmesa->radeon); - do { - ret = drmCommandWriteRead(rmesa->radeon.dri.fd, DRM_RADEON_TEXTURE, - &tex, sizeof(drm_radeon_texture_t)); - if (ret) { - if (RADEON_DEBUG & DEBUG_IOCTL) - fprintf(stderr, - "DRM_RADEON_TEXTURE: again!\n"); - usleep(1); - } - } while (ret == -EAGAIN); - - UNLOCK_HARDWARE(&rmesa->radeon); - - 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); - } + } + 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; + if ((t->format & R300_TX_FORMAT_DXT1) == R300_TX_FORMAT_DXT1) + { + tex.width *= 8; + } else { + tex.width *= 16; + } + } + + LOCK_HARDWARE( &rmesa->radeon ); + do { + ret = drmCommandWriteRead( rmesa->radeon.dri.fd, DRM_RADEON_TEXTURE, + &tex, sizeof(drm_radeon_texture_t) ); + if (ret) { + if (RADEON_DEBUG & DEBUG_IOCTL) + fprintf(stderr, "DRM_RADEON_TEXTURE: again!\n"); + usleep(1); + } + } while ( ret == -EAGAIN ); + + UNLOCK_HARDWARE( &rmesa->radeon ); + + 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 ); + } } /** -- cgit v1.2.3