From 8e0437914bb786d0b05be8f95e4ff37bf5a19f44 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 11 Feb 2011 13:42:52 +1000 Subject: r600g: add support for s3tc formats. On r600, s3tc formats require a 1D tiled texture format, so we have to do uploads using a blit, via the 64-bit and 128-bit formats Based on the r600c code we use a 64 and 128-bit type to do the blits. Still requires R600_ENABLE_S3TC until the kernel fixes are in, this has only been tested on evergreen where the kernel doesn't yet get in the way. --- src/gallium/drivers/r600/r600_blit.c | 60 +++++++++++++++++++++++++++++++++ src/gallium/drivers/r600/r600_pipe.c | 2 ++ src/gallium/drivers/r600/r600_texture.c | 13 +++++++ 3 files changed, 75 insertions(+) diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c index fbade99fc5..6687d09e0f 100644 --- a/src/gallium/drivers/r600/r600_blit.c +++ b/src/gallium/drivers/r600/r600_blit.c @@ -219,6 +219,47 @@ static void r600_hw_copy_region(struct pipe_context *ctx, r600_blitter_end(ctx); } +struct texture_orig_info { + unsigned format; + unsigned width0; + unsigned height0; +}; + +static void r600_s3tc_to_blittable(struct pipe_resource *tex, + unsigned level, + struct texture_orig_info *orig) +{ + unsigned pixsize = util_format_get_blocksize(tex->format); + int new_format; + int new_height, new_width; + + orig->format = tex->format; + orig->width0 = tex->width0; + orig->height0 = tex->height0; + + if (pixsize == 8) + new_format = PIPE_FORMAT_R16G16B16A16_UNORM; /* 64-bit block */ + else + new_format = PIPE_FORMAT_R32G32B32A32_UNORM; /* 128-bit block */ + + new_width = util_format_get_nblocksx(tex->format, orig->width0); + new_height = util_format_get_nblocksy(tex->format, orig->height0); + + tex->width0 = new_width; + tex->height0 = new_height; + tex->format = new_format; + +} + +static void r600_reset_blittable_to_s3tc(struct pipe_resource *tex, + unsigned level, + struct texture_orig_info *orig) +{ + tex->format = orig->format; + tex->width0 = orig->width0; + tex->height0 = orig->height0; +} + static void r600_resource_copy_region(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dst_level, @@ -228,13 +269,32 @@ static void r600_resource_copy_region(struct pipe_context *ctx, const struct pipe_box *src_box) { struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src; + struct texture_orig_info orig_info[2]; + boolean restore_orig[2]; if (rsrc->depth && !rsrc->is_flushing_texture) r600_texture_depth_flush(ctx, src, FALSE); + restore_orig[0] = restore_orig[1] = FALSE; + + if (util_format_is_s3tc(src->format)) { + r600_s3tc_to_blittable(src, src_level, &orig_info[0]); + restore_orig[0] = TRUE; + } + + if (util_format_is_s3tc(dst->format)) { + r600_s3tc_to_blittable(dst, dst_level, &orig_info[1]); + restore_orig[1] = TRUE; + } + r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box); + if (restore_orig[0]) + r600_reset_blittable_to_s3tc(src, src_level, &orig_info[0]); + + if (restore_orig[1]) + r600_reset_blittable_to_s3tc(dst, dst_level, &orig_info[1]); } void r600_init_blit_functions(struct r600_pipe_context *rctx) diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index f9e8e76d24..9d6c9bd542 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -502,6 +503,7 @@ struct pipe_screen *r600_screen_create(struct radeon *radeon) r600_init_screen_resource_functions(&rscreen->screen); rscreen->tiling_info = r600_get_tiling_info(radeon); + util_format_s3tc_init(); util_slab_create(&rscreen->pool_buffers, sizeof(struct r600_resource_buffer), 64, diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c index db39383e30..dd14143c2c 100644 --- a/src/gallium/drivers/r600/r600_texture.c +++ b/src/gallium/drivers/r600/r600_texture.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include @@ -289,6 +290,10 @@ static boolean permit_hardware_blit(struct pipe_screen *screen, else bind = PIPE_BIND_RENDER_TARGET; + /* hackaround for S3TC */ + if (util_format_is_s3tc(res->format)) + return TRUE; + if (!screen->is_format_supported(screen, res->format, res->target, @@ -417,6 +422,10 @@ struct pipe_resource *r600_texture_create(struct pipe_screen *screen, } } + if (!(templ->flags & R600_RESOURCE_FLAG_TRANSFER) && + util_format_is_s3tc(templ->format)) + array_mode = V_038000_ARRAY_1D_TILED_THIN1; + return (struct pipe_resource *)r600_texture_create_object(screen, templ, array_mode, 0, 0, NULL); @@ -869,6 +878,10 @@ uint32_t r600_translate_texformat(enum pipe_format format, if (!r600_enable_s3tc) goto out_unknown; + if (!util_format_s3tc_enabled) { + goto out_unknown; + } + switch (format) { case PIPE_FORMAT_DXT1_RGB: case PIPE_FORMAT_DXT1_RGBA: -- cgit v1.2.3