diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_blit.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_blit.c | 308 |
1 files changed, 177 insertions, 131 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index a43e83c0d36..4f86db39926 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -55,11 +55,12 @@ static void r300_blitter_begin(struct r300_context* r300, enum r300_blitter_op o util_blitter_save_viewport(r300->blitter, &r300->viewport); util_blitter_save_clip(r300->blitter, (struct pipe_clip_state*)r300->clip_state.state); util_blitter_save_vertex_elements(r300->blitter, r300->velems); - util_blitter_save_vertex_buffers(r300->blitter, r300->vertex_buffer_count, - r300->vertex_buffer); + util_blitter_save_vertex_buffers(r300->blitter, r300->vbuf_mgr->nr_vertex_buffers, + r300->vbuf_mgr->vertex_buffer); - if (op & (R300_CLEAR_SURFACE | R300_COPY)) + if (op & (R300_CLEAR_SURFACE | R300_COPY)) { util_blitter_save_framebuffer(r300->blitter, r300->fb_state.state); + } if (op & R300_COPY) { struct r300_textures_state* state = @@ -108,6 +109,14 @@ static boolean r300_cbzb_clear_allowed(struct r300_context *r300, return r300_surface(fb->cbufs[0])->cbzb_allowed; } +static boolean r300_fast_zclear_allowed(struct r300_context *r300) +{ + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + + return r300_resource(fb->zsbuf->texture)->tex.zmask_dwords[fb->zsbuf->u.tex.level]; +} + static uint32_t r300_depth_clear_value(enum pipe_format format, double depth, unsigned stencil) { @@ -132,37 +141,46 @@ static void r300_clear(struct pipe_context* pipe, double depth, unsigned stencil) { - /* My notes about fastfill: + /* My notes about Zbuffer compression: * - * 1) Only the zbuffer is cleared. + * 1) The zbuffer must be micro-tiled and whole microtiles must be + * written if compression is enabled. If microtiling is disabled, + * it locks up. * - * 2) The zbuffer must be micro-tiled and whole microtiles must be - * written. If microtiling is disabled, it locks up. + * 2) There is ZMASK RAM which contains a compressed zbuffer. + * Each dword of the Z Mask contains compression information + * for 16 4x4 pixel tiles, that is 2 bits for each tile. + * On chips with 2 Z pipes, every other dword maps to a different + * pipe. On newer chipsets, there is a new compression mode + * with 8x8 pixel tiles per 2 bits. * - * 3) There is Z Mask RAM which contains a compressed zbuffer and - * it interacts with fastfill. We should figure out how to use it - * to get more performance. - * This is what we know about the Z Mask: + * 3) The FASTFILL bit has nothing to do with filling. It only tells hw + * it should look in the ZMASK RAM first before fetching from a real + * zbuffer. * - * Each dword of the Z Mask contains compression information - * for 16 4x4 pixel blocks, that is 2 bits for each block. - * On chips with 2 Z pipes, every other dword maps to a different - * pipe. + * 4) If a pixel is in a cleared state, ZB_DEPTHCLEARVALUE is returned + * during zbuffer reads instead of the value that is actually stored + * in the zbuffer memory. A pixel is in a cleared state when its ZMASK + * is equal to 0. Therefore, if you clear ZMASK with zeros, you may + * leave the zbuffer memory uninitialized, but then you must enable + * compression, so that the ZMASK RAM is actually used. * - * 4) ZB_DEPTHCLEARVALUE is used to clear the zbuffer and the Z Mask must - * be equal to 0. (clear the Z Mask RAM with zeros) + * 5) Each 4x4 (or 8x8) tile is automatically decompressed and recompressed + * during zbuffer updates. A special decompressing operation should be + * used to fully decompress a zbuffer, which basically just stores all + * compressed tiles in ZMASK to the zbuffer memory. * - * 5) For 16-bit zbuffer, compression causes a hung with one or + * 6) For a 16-bit zbuffer, compression causes a hung with one or * two samples and should not be used. * - * 6) FORCE_COMPRESSED_STENCIL_VALUE should be enabled for stencil clears + * 7) FORCE_COMPRESSED_STENCIL_VALUE should be enabled for stencil clears * to avoid needless decompression. * - * 7) Fastfill must not be used if reading of compressed Z data is disabled + * 8) Fastfill must not be used if reading of compressed Z data is disabled * and writing of compressed Z data is enabled (RD/WR_COMP_ENABLE), * i.e. it cannot be used to compress the zbuffer. * - * 8) ZB_CB_CLEAR does not interact with fastfill in any way. + * 9) ZB_CB_CLEAR does not interact with zbuffer compression in any way. * * - Marek */ @@ -172,32 +190,30 @@ static void r300_clear(struct pipe_context* pipe, (struct pipe_framebuffer_state*)r300->fb_state.state; struct r300_hyperz_state *hyperz = (struct r300_hyperz_state*)r300->hyperz_state.state; - struct r300_texture *zstex = - fb->zsbuf ? r300_texture(fb->zsbuf->texture) : NULL; + struct r300_resource *zstex = + fb->zsbuf ? r300_resource(fb->zsbuf->texture) : NULL; uint32_t width = fb->width; uint32_t height = fb->height; boolean can_hyperz = r300->rws->get_value(r300->rws, R300_CAN_HYPERZ); uint32_t hyperz_dcv = hyperz->zb_depthclearvalue; - /* Decompress zbuffers that are bound as textures. If we didn't flush here, - * it would happen inside the blitter when updating derived state, - * causing a blitter operation to be called from inside the blitter, - * which would overwrite saved states and they would never get restored. */ - r300_flush_depth_textures(r300); - /* Enable fast Z clear. * The zbuffer must be in micro-tiled mode, otherwise it locks up. */ if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && can_hyperz) { hyperz_dcv = hyperz->zb_depthclearvalue = r300_depth_clear_value(fb->zsbuf->format, depth, stencil); - r300_mark_fb_state_dirty(r300, R300_CHANGED_ZCLEAR_FLAG); - if (zstex->zmask_mem[fb->zsbuf->u.tex.level]) { + if (r300_fast_zclear_allowed(r300)) { r300_mark_atom_dirty(r300, &r300->zmask_clear); buffers &= ~PIPE_CLEAR_DEPTHSTENCIL; } + if (zstex->hiz_mem[fb->zsbuf->u.tex.level]) r300_mark_atom_dirty(r300, &r300->hiz_clear); + + /* XXX Change this to r300_mark_atom_dirty(r300, &r300->hyperz_state); + * once hiz offset is constant. */ + r300_mark_fb_state_dirty(r300, R300_CHANGED_HYPERZ_FLAG); } /* Enable CBZB clear. */ @@ -211,7 +227,7 @@ static void r300_clear(struct pipe_context* pipe, height = surf->cbzb_height; r300->cbzb_clear = TRUE; - r300_mark_fb_state_dirty(r300, R300_CHANGED_CBZB_FLAG); + r300_mark_fb_state_dirty(r300, R300_CHANGED_HYPERZ_FLAG); } /* Clear. */ @@ -225,7 +241,7 @@ static void r300_clear(struct pipe_context* pipe, buffers, rgba, depth, stencil); r300_blitter_end(r300); } else if (r300->zmask_clear.dirty) { - /* Just clear zmask and hiz now, this does not use a standard draw + /* Just clear zmask and hiz now, this does not use the standard draw * procedure. */ unsigned dwords; @@ -257,16 +273,15 @@ static void r300_clear(struct pipe_context* pipe, if (r300->cbzb_clear) { r300->cbzb_clear = FALSE; hyperz->zb_depthclearvalue = hyperz_dcv; - r300_mark_fb_state_dirty(r300, R300_CHANGED_CBZB_FLAG); + r300_mark_fb_state_dirty(r300, R300_CHANGED_HYPERZ_FLAG); } /* Enable fastfill and/or hiz. * * If we cleared zmask/hiz, it's in use now. The Hyper-Z state update * looks if zmask/hiz is in use and enables fastfill accordingly. */ - if (zstex && - (zstex->zmask_in_use[fb->zsbuf->u.tex.level] || - zstex->hiz_in_use[fb->zsbuf->u.tex.level])) { + if (r300->zmask_in_use || + (zstex && zstex->hiz_in_use[fb->zsbuf->u.tex.level])) { r300_mark_atom_dirty(r300, &r300->hyperz_state); } } @@ -280,16 +295,16 @@ static void r300_clear_render_target(struct pipe_context *pipe, { struct r300_context *r300 = r300_context(pipe); - /* Decompress zbuffers that are bound as textures. If we didn't flush here, - * it would happen inside the blitter when updating derived state, - * causing a blitter operation to be called from inside the blitter, - * which would overwrite saved states and they would never get restored. */ - r300_flush_depth_textures(r300); + r300->zmask_locked = TRUE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); r300_blitter_begin(r300, R300_CLEAR_SURFACE); util_blitter_clear_render_target(r300->blitter, dst, rgba, dstx, dsty, width, height); r300_blitter_end(r300); + + r300->zmask_locked = FALSE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); } /* Clear a region of a depth stencil surface. */ @@ -302,83 +317,70 @@ static void r300_clear_depth_stencil(struct pipe_context *pipe, unsigned width, unsigned height) { struct r300_context *r300 = r300_context(pipe); + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; - /* Decompress zbuffers that are bound as textures. If we didn't flush here, - * it would happen inside the blitter when updating derived state, - * causing a blitter operation to be called from inside the blitter, - * which would overwrite saved states and they would never get restored. */ - r300_flush_depth_textures(r300); + if (r300->zmask_in_use && !r300->zmask_locked) { + if (fb->zsbuf->texture == dst->texture) { + r300_decompress_zmask(r300); + } else { + r300->zmask_locked = TRUE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); + } + } r300_blitter_begin(r300, R300_CLEAR_SURFACE); util_blitter_clear_depth_stencil(r300->blitter, dst, clear_flags, depth, stencil, dstx, dsty, width, height); r300_blitter_end(r300); + + if (r300->zmask_locked) { + r300->zmask_locked = FALSE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); + } } -/* Flush a depth stencil buffer. */ -static void r300_flush_depth_stencil(struct pipe_context *pipe, - struct pipe_resource *dst, - unsigned level, - unsigned layer) +void r300_decompress_zmask(struct r300_context *r300) { - struct r300_context *r300 = r300_context(pipe); - struct pipe_surface *dstsurf, surf_tmpl; - struct r300_texture *tex = r300_texture(dst); + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; - if (!tex->zmask_mem[level]) - return; - if (!tex->zmask_in_use[level]) + if (!r300->zmask_in_use || r300->zmask_locked) return; - surf_tmpl.format = dst->format; - surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL; - surf_tmpl.u.tex.level = level; - surf_tmpl.u.tex.first_layer = layer; - surf_tmpl.u.tex.last_layer = layer; - dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl); + r300->zmask_decompress = TRUE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); - r300->z_decomp_rd = TRUE; - - r300_blitter_begin(r300, R300_CLEAR_SURFACE); - util_blitter_flush_depth_stencil(r300->blitter, dstsurf); + r300_blitter_begin(r300, R300_CLEAR); + util_blitter_clear_depth_custom(r300->blitter, fb->width, fb->height, 0, + r300->dsa_decompress_zmask); r300_blitter_end(r300); - r300->z_decomp_rd = FALSE; - tex->zmask_in_use[level] = FALSE; - pipe_surface_reference(&dstsurf, NULL); + r300->zmask_decompress = FALSE; + r300->zmask_in_use = FALSE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); } -/* We can't use compressed zbuffers as samplers. */ -void r300_flush_depth_textures(struct r300_context *r300) +void r300_decompress_zmask_locked_unsafe(struct r300_context *r300) { - struct r300_textures_state *state = - (struct r300_textures_state*)r300->textures_state.state; - unsigned i, level; - unsigned count = MIN2(state->sampler_view_count, - state->sampler_state_count); - - if (r300->z_decomp_rd) - return; - - for (i = 0; i < count; i++) - if (state->sampler_views[i] && state->sampler_states[i]) { - struct pipe_resource *tex = state->sampler_views[i]->base.texture; - - if (tex->target == PIPE_TEXTURE_3D || - tex->target == PIPE_TEXTURE_CUBE) - continue; + struct pipe_framebuffer_state fb = {0}; + fb.width = r300->locked_zbuffer->width; + fb.height = r300->locked_zbuffer->height; + fb.nr_cbufs = 0; + fb.zsbuf = r300->locked_zbuffer; + + r300->context.set_framebuffer_state(&r300->context, &fb); + r300_decompress_zmask(r300); +} - /* Ignore non-depth textures. - * Also ignore reinterpreted depth textures, e.g. resource_copy. */ - if (!util_format_is_depth_or_stencil(tex->format)) - continue; +void r300_decompress_zmask_locked(struct r300_context *r300) +{ + struct pipe_framebuffer_state saved_fb = {0}; - for (level = 0; level <= tex->last_level; level++) - if (r300_texture(tex)->zmask_in_use[level]) { - /* We don't handle 3D textures and cubemaps yet. */ - r300_flush_depth_stencil(&r300->context, tex, level, 0); - } - } + util_copy_framebuffer_state(&saved_fb, r300->fb_state.state); + r300_decompress_zmask_locked_unsafe(r300); + r300->context.set_framebuffer_state(&r300->context, &saved_fb); + util_unreference_framebuffer_state(&saved_fb); } /* Copy a block of pixels from one surface to another using HW. */ @@ -393,8 +395,6 @@ static void r300_hw_copy_region(struct pipe_context* pipe, struct r300_context* r300 = r300_context(pipe); r300_blitter_begin(r300, R300_COPY); - - /* Do a copy */ util_blitter_copy_region(r300->blitter, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box, TRUE); r300_blitter_end(r300); @@ -409,56 +409,102 @@ static void r300_resource_copy_region(struct pipe_context *pipe, unsigned src_level, const struct pipe_box *src_box) { - enum pipe_format old_format = dst->format; - enum pipe_format new_format = old_format; - boolean is_depth; - - if (!pipe->screen->is_format_supported(pipe->screen, - old_format, src->target, - src->nr_samples, - PIPE_BIND_RENDER_TARGET | - PIPE_BIND_SAMPLER_VIEW, 0) && - util_format_is_plain(old_format)) { - switch (util_format_get_blocksize(old_format)) { + struct r300_context *r300 = r300_context(pipe); + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + struct pipe_resource old_src = *src; + struct pipe_resource old_dst = *dst; + struct pipe_resource new_src = old_src; + struct pipe_resource new_dst = old_dst; + const struct util_format_description *desc = + util_format_description(dst->format); + struct pipe_box box; + + if (r300->zmask_in_use && !r300->zmask_locked) { + if (fb->zsbuf->texture == src || + fb->zsbuf->texture == dst) { + r300_decompress_zmask(r300); + } else { + r300->zmask_locked = TRUE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); + } + } + + /* Handle non-renderable plain formats. */ + if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN && + (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB || + !pipe->screen->is_format_supported(pipe->screen, + src->format, src->target, + src->nr_samples, + PIPE_BIND_SAMPLER_VIEW, 0) || + !pipe->screen->is_format_supported(pipe->screen, + dst->format, dst->target, + dst->nr_samples, + PIPE_BIND_RENDER_TARGET, 0))) { + switch (util_format_get_blocksize(old_dst.format)) { case 1: - new_format = PIPE_FORMAT_I8_UNORM; + new_dst.format = PIPE_FORMAT_I8_UNORM; break; case 2: - new_format = PIPE_FORMAT_B4G4R4A4_UNORM; + new_dst.format = PIPE_FORMAT_B4G4R4A4_UNORM; break; case 4: - new_format = PIPE_FORMAT_B8G8R8A8_UNORM; + new_dst.format = PIPE_FORMAT_B8G8R8A8_UNORM; break; case 8: - new_format = PIPE_FORMAT_R16G16B16A16_UNORM; + new_dst.format = PIPE_FORMAT_R16G16B16A16_UNORM; break; default: debug_printf("r300: surface_copy: Unhandled format: %s. Falling back to software.\n" "r300: surface_copy: Software fallback doesn't work for tiled textures.\n", - util_format_short_name(old_format)); + util_format_short_name(dst->format)); } + new_src.format = new_dst.format; } - is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0; - if (is_depth) { - r300_flush_depth_stencil(pipe, src, src_level, src_box->z); - } + /* Handle compressed formats. */ + if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { + switch (util_format_get_blocksize(old_dst.format)) { + case 8: + /* 1 pixel = 4 bits, + * we set 1 pixel = 2 bytes ===> 4 times larger pixels. */ + new_dst.format = PIPE_FORMAT_B4G4R4A4_UNORM; + break; + case 16: + /* 1 pixel = 8 bits, + * we set 1 pixel = 4 bytes ===> 4 times larger pixels. */ + new_dst.format = PIPE_FORMAT_B8G8R8A8_UNORM; + break; + } - if (old_format != new_format) { - r300_texture_reinterpret_format(pipe->screen, - dst, new_format); - r300_texture_reinterpret_format(pipe->screen, - src, new_format); + /* Since the pixels are 4 times larger, we must decrease + * the image size and the coordinates 4 times. */ + new_src.format = new_dst.format; + new_dst.height0 = (new_dst.height0 + 3) / 4; + new_src.height0 = (new_src.height0 + 3) / 4; + dsty /= 4; + box = *src_box; + box.y /= 4; + box.height = (box.height + 3) / 4; + src_box = &box; } + if (old_src.format != new_src.format) + r300_resource_set_properties(pipe->screen, src, 0, &new_src); + if (old_dst.format != new_dst.format) + r300_resource_set_properties(pipe->screen, dst, 0, &new_dst); + r300_hw_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box); - if (old_format != new_format) { - r300_texture_reinterpret_format(pipe->screen, - dst, old_format); - r300_texture_reinterpret_format(pipe->screen, - src, old_format); + if (old_src.format != new_src.format) + r300_resource_set_properties(pipe->screen, src, 0, &old_src); + if (old_dst.format != new_dst.format) + r300_resource_set_properties(pipe->screen, dst, 0, &old_dst); + + if (r300->zmask_locked) { + r300->zmask_locked = FALSE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); } } |