X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fr300%2Fr300_blit.c;h=9fc4910984ba062707e8bfe7b0385b2006895e4d;hb=882ca6dfb0f3d17e0f8bc917307d915ab1718069;hp=f99f9dffaa544160ab9dc4678e5d09d762087d36;hpb=8cdfd1219a2d13d252a8691ee6dddb0d773bdc77;p=mesa.git diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index f99f9dffaa5..33344982c1e 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -20,177 +20,866 @@ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#include "r300_blit.h" #include "r300_context.h" +#include "r300_emit.h" #include "r300_texture.h" +#include "r300_reg.h" -#include "util/u_format.h" +#include "util/format/u_format.h" +#include "util/u_half.h" +#include "util/u_pack_color.h" +#include "util/u_surface.h" -static void r300_blitter_save_states(struct r300_context* r300) +enum r300_blitter_op /* bitmask */ { + R300_STOP_QUERY = 1, + R300_SAVE_TEXTURES = 2, + R300_SAVE_FRAMEBUFFER = 4, + R300_IGNORE_RENDER_COND = 8, + + R300_CLEAR = R300_STOP_QUERY, + + R300_CLEAR_SURFACE = R300_STOP_QUERY | R300_SAVE_FRAMEBUFFER, + + R300_COPY = R300_STOP_QUERY | R300_SAVE_FRAMEBUFFER | + R300_SAVE_TEXTURES | R300_IGNORE_RENDER_COND, + + R300_BLIT = R300_STOP_QUERY | R300_SAVE_FRAMEBUFFER | + R300_SAVE_TEXTURES, + + R300_DECOMPRESS = R300_STOP_QUERY | R300_IGNORE_RENDER_COND, +}; + +static void r300_blitter_begin(struct r300_context* r300, enum r300_blitter_op op) +{ + if ((op & R300_STOP_QUERY) && r300->query_current) { + r300->blitter_saved_query = r300->query_current; + r300_stop_query(r300); + } + + /* Yeah we have to save all those states to ensure the blitter operation + * is really transparent. The states will be restored by the blitter once + * copying is done. */ util_blitter_save_blend(r300->blitter, r300->blend_state.state); util_blitter_save_depth_stencil_alpha(r300->blitter, r300->dsa_state.state); util_blitter_save_stencil_ref(r300->blitter, &(r300->stencil_ref)); util_blitter_save_rasterizer(r300->blitter, r300->rs_state.state); - util_blitter_save_fragment_shader(r300->blitter, r300->fs); + util_blitter_save_fragment_shader(r300->blitter, r300->fs.state); util_blitter_save_vertex_shader(r300->blitter, r300->vs_state.state); util_blitter_save_viewport(r300->blitter, &r300->viewport); - util_blitter_save_clip(r300->blitter, &r300->clip); + util_blitter_save_scissor(r300->blitter, r300->scissor_state.state); + util_blitter_save_sample_mask(r300->blitter, *(unsigned*)r300->sample_mask.state); + util_blitter_save_vertex_buffer_slot(r300->blitter, r300->vertex_buffer); util_blitter_save_vertex_elements(r300->blitter, r300->velems); + + if (op & R300_SAVE_FRAMEBUFFER) { + util_blitter_save_framebuffer(r300->blitter, r300->fb_state.state); + } + + if (op & R300_SAVE_TEXTURES) { + struct r300_textures_state* state = + (struct r300_textures_state*)r300->textures_state.state; + + util_blitter_save_fragment_sampler_states( + r300->blitter, state->sampler_state_count, + (void**)state->sampler_states); + + util_blitter_save_fragment_sampler_views( + r300->blitter, state->sampler_view_count, + (struct pipe_sampler_view**)state->sampler_views); + } + + if (op & R300_IGNORE_RENDER_COND) { + /* Save the flag. */ + r300->blitter_saved_skip_rendering = r300->skip_rendering+1; + r300->skip_rendering = FALSE; + } else { + r300->blitter_saved_skip_rendering = 0; + } +} + +static void r300_blitter_end(struct r300_context *r300) +{ + if (r300->blitter_saved_query) { + r300_resume_query(r300, r300->blitter_saved_query); + r300->blitter_saved_query = NULL; + } + + if (r300->blitter_saved_skip_rendering) { + /* Restore the flag. */ + r300->skip_rendering = r300->blitter_saved_skip_rendering-1; + } +} + +static uint32_t r300_depth_clear_cb_value(enum pipe_format format, + const float* rgba) +{ + union util_color uc; + util_pack_color(rgba, format, &uc); + + if (util_format_get_blocksizebits(format) == 32) + return uc.ui[0]; + else + return uc.us | (uc.us << 16); +} + +static boolean r300_cbzb_clear_allowed(struct r300_context *r300, + unsigned clear_buffers) +{ + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + + /* Only color clear allowed, and only one colorbuffer. */ + if ((clear_buffers & ~PIPE_CLEAR_COLOR) != 0 || fb->nr_cbufs != 1 || !fb->cbufs[0]) + return FALSE; + + return r300_surface(fb->cbufs[0])->cbzb_allowed; +} + +static boolean r300_fast_zclear_allowed(struct r300_context *r300, + unsigned clear_buffers) +{ + 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] != 0; +} + +static boolean r300_hiz_clear_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.hiz_dwords[fb->zsbuf->u.tex.level] != 0; +} + +static uint32_t r300_depth_clear_value(enum pipe_format format, + double depth, unsigned stencil) +{ + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + return util_pack_z(format, depth); + + case PIPE_FORMAT_S8_UINT_Z24_UNORM: + return util_pack_z_stencil(format, depth, stencil); + + default: + assert(0); + return 0; + } +} + +static uint32_t r300_hiz_clear_value(double depth) +{ + uint32_t r = (uint32_t)(CLAMP(depth, 0, 1) * 255.5); + assert(r <= 255); + return r | (r << 8) | (r << 16) | (r << 24); +} + +static void r300_set_clear_color(struct r300_context *r300, + const union pipe_color_union *color) +{ + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + union util_color uc; + + memset(&uc, 0, sizeof(uc)); + util_pack_color(color->f, fb->cbufs[0]->format, &uc); + + if (fb->cbufs[0]->format == PIPE_FORMAT_R16G16B16A16_FLOAT || + fb->cbufs[0]->format == PIPE_FORMAT_R16G16B16X16_FLOAT) { + /* (0,1,2,3) maps to (B,G,R,A) */ + r300->color_clear_value_gb = uc.h[0] | ((uint32_t)uc.h[1] << 16); + r300->color_clear_value_ar = uc.h[2] | ((uint32_t)uc.h[3] << 16); + } else { + r300->color_clear_value = uc.ui[0]; + } } +DEBUG_GET_ONCE_BOOL_OPTION(hyperz, "RADEON_HYPERZ", FALSE) + /* Clear currently bound buffers. */ -void r300_clear(struct pipe_context* pipe, - unsigned buffers, - const float* rgba, - double depth, - unsigned stencil) +static void r300_clear(struct pipe_context* pipe, + unsigned buffers, + const union pipe_color_union *color, + double depth, + unsigned stencil) { - /* XXX Implement fastfill. + /* My notes about Zbuffer compression: * - * If fastfill is enabled, a few facts should be considered: + * 1) The zbuffer must be micro-tiled and whole microtiles must be + * written if compression is enabled. If microtiling is disabled, + * it locks up. * - * 1) Zbuffer must be micro-tiled and whole microtiles must be - * written. + * 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. * - * 2) ZB_DEPTHCLEARVALUE is used to clear a zbuffer and Z Mask must be - * equal to 0. + * 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. * - * 3) RB3D_COLOR_CLEAR_VALUE is used to clear a colorbuffer and - * RB3D_COLOR_CHANNEL_MASK must be equal to 0. + * 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_CB_CLEAR can be used to make the ZB units help in clearing - * the colorbuffer. The color clear value is supplied through both - * RB3D_COLOR_CLEAR_VALUE and ZB_DEPTHCLEARVALUE, and the colorbuffer - * must be set in ZB_DEPTHOFFSET and ZB_DEPTHPITCH in addition to - * RB3D_COLOROFFSET and RB3D_COLORPITCH. It's obvious that the zbuffer - * will not be cleared and multiple render targets cannot be cleared - * this way either. + * 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 integer buffering, 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) Fastfill must not be used if reading of compressed Z data is disabled + * 7) FORCE_COMPRESSED_STENCIL_VALUE should be enabled for stencil clears + * to avoid needless decompression. + * + * 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. - * (what the hell does that mean and how does it fit in clearing - * the buffers?) + * + * 9) ZB_CB_CLEAR does not interact with zbuffer compression in any way. * * - Marek */ struct r300_context* r300 = r300_context(pipe); - struct pipe_framebuffer_state* fb = + struct pipe_framebuffer_state *fb = (struct pipe_framebuffer_state*)r300->fb_state.state; + struct r300_hyperz_state *hyperz = + (struct r300_hyperz_state*)r300->hyperz_state.state; + uint32_t width = fb->width; + uint32_t height = fb->height; + uint32_t hyperz_dcv = hyperz->zb_depthclearvalue; + + /* Use fast Z clear. + * The zbuffer must be in micro-tiled mode, otherwise it locks up. */ + if (buffers & PIPE_CLEAR_DEPTHSTENCIL) { + boolean zmask_clear, hiz_clear; + + /* If both depth and stencil are present, they must be cleared together. */ + if (fb->zsbuf->texture->format == PIPE_FORMAT_S8_UINT_Z24_UNORM && + (buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) { + zmask_clear = FALSE; + hiz_clear = FALSE; + } else { + zmask_clear = r300_fast_zclear_allowed(r300, buffers); + hiz_clear = r300_hiz_clear_allowed(r300); + } + + /* If we need Hyper-Z. */ + if (zmask_clear || hiz_clear) { + /* Try to obtain the access to Hyper-Z buffers if we don't have one. */ + if (!r300->hyperz_enabled && + (r300->screen->caps.is_r500 || debug_get_option_hyperz())) { + r300->hyperz_enabled = + r300->rws->cs_request_feature(r300->cs, + RADEON_FID_R300_HYPERZ_ACCESS, + TRUE); + if (r300->hyperz_enabled) { + /* Need to emit HyperZ buffer regs for the first time. */ + r300_mark_fb_state_dirty(r300, R300_CHANGED_HYPERZ_FLAG); + } + } + + /* Setup Hyper-Z clears. */ + if (r300->hyperz_enabled) { + if (zmask_clear) { + hyperz_dcv = hyperz->zb_depthclearvalue = + r300_depth_clear_value(fb->zsbuf->format, depth, stencil); + + r300_mark_atom_dirty(r300, &r300->zmask_clear); + r300_mark_atom_dirty(r300, &r300->gpu_flush); + buffers &= ~PIPE_CLEAR_DEPTHSTENCIL; + } + + if (hiz_clear) { + r300->hiz_clear_value = r300_hiz_clear_value(depth); + r300_mark_atom_dirty(r300, &r300->hiz_clear); + r300_mark_atom_dirty(r300, &r300->gpu_flush); + } + r300->num_z_clears++; + } + } + } + + /* Use fast color clear for an AA colorbuffer. + * The CMASK is shared between all colorbuffers, so we use it + * if there is only one colorbuffer bound. */ + if ((buffers & PIPE_CLEAR_COLOR) && fb->nr_cbufs == 1 && fb->cbufs[0] && + r300_resource(fb->cbufs[0]->texture)->tex.cmask_dwords) { + /* Try to obtain the access to the CMASK if we don't have one. */ + if (!r300->cmask_access) { + r300->cmask_access = + r300->rws->cs_request_feature(r300->cs, + RADEON_FID_R300_CMASK_ACCESS, + TRUE); + } + + /* Setup the clear. */ + if (r300->cmask_access) { + /* Pair the resource with the CMASK to avoid other resources + * accessing it. */ + if (!r300->screen->cmask_resource) { + mtx_lock(&r300->screen->cmask_mutex); + /* Double checking (first unlocked, then locked). */ + if (!r300->screen->cmask_resource) { + /* Don't reference this, so that the texture can be + * destroyed while set in cmask_resource. + * Then in texture_destroy, we set cmask_resource to NULL. */ + r300->screen->cmask_resource = fb->cbufs[0]->texture; + } + mtx_unlock(&r300->screen->cmask_mutex); + } + + if (r300->screen->cmask_resource == fb->cbufs[0]->texture) { + r300_set_clear_color(r300, color); + r300_mark_atom_dirty(r300, &r300->cmask_clear); + r300_mark_atom_dirty(r300, &r300->gpu_flush); + buffers &= ~PIPE_CLEAR_COLOR; + } + } + } + /* Enable CBZB clear. */ + else if (r300_cbzb_clear_allowed(r300, buffers)) { + struct r300_surface *surf = r300_surface(fb->cbufs[0]); + + hyperz->zb_depthclearvalue = + r300_depth_clear_cb_value(surf->base.format, color->f); + + width = surf->cbzb_width; + height = surf->cbzb_height; + + r300->cbzb_clear = TRUE; + r300_mark_fb_state_dirty(r300, R300_CHANGED_HYPERZ_FLAG); + } + + /* Clear. */ + if (buffers) { + /* Clear using the blitter. */ + r300_blitter_begin(r300, R300_CLEAR); + util_blitter_clear(r300->blitter, width, height, 1, + buffers, color, depth, stencil, + util_framebuffer_get_num_samples(fb) > 1); + r300_blitter_end(r300); + } else if (r300->zmask_clear.dirty || + r300->hiz_clear.dirty || + r300->cmask_clear.dirty) { + /* Just clear zmask and hiz now, this does not use the standard draw + * procedure. */ + /* Calculate zmask_clear and hiz_clear atom sizes. */ + unsigned dwords = + r300->gpu_flush.size + + (r300->zmask_clear.dirty ? r300->zmask_clear.size : 0) + + (r300->hiz_clear.dirty ? r300->hiz_clear.size : 0) + + (r300->cmask_clear.dirty ? r300->cmask_clear.size : 0) + + r300_get_num_cs_end_dwords(r300); - r300_blitter_save_states(r300); + /* Reserve CS space. */ + if (!r300->rws->cs_check_space(r300->cs, dwords, false)) { + r300_flush(&r300->context, PIPE_FLUSH_ASYNC, NULL); + } + + /* Emit clear packets. */ + r300_emit_gpu_flush(r300, r300->gpu_flush.size, r300->gpu_flush.state); + r300->gpu_flush.dirty = FALSE; + + if (r300->zmask_clear.dirty) { + r300_emit_zmask_clear(r300, r300->zmask_clear.size, + r300->zmask_clear.state); + r300->zmask_clear.dirty = FALSE; + } + if (r300->hiz_clear.dirty) { + r300_emit_hiz_clear(r300, r300->hiz_clear.size, + r300->hiz_clear.state); + r300->hiz_clear.dirty = FALSE; + } + if (r300->cmask_clear.dirty) { + r300_emit_cmask_clear(r300, r300->cmask_clear.size, + r300->cmask_clear.state); + r300->cmask_clear.dirty = FALSE; + } + } else { + assert(0); + } + + /* Disable CBZB clear. */ + if (r300->cbzb_clear) { + r300->cbzb_clear = FALSE; + hyperz->zb_depthclearvalue = hyperz_dcv; + r300_mark_fb_state_dirty(r300, R300_CHANGED_HYPERZ_FLAG); + } - util_blitter_clear(r300->blitter, - fb->width, - fb->height, - fb->nr_cbufs, - buffers, rgba, depth, stencil); + /* 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 programs hardware accordingly. */ + if (r300->zmask_in_use || r300->hiz_in_use) { + r300_mark_atom_dirty(r300, &r300->hyperz_state); + } } -/* Copy a block of pixels from one surface to another using HW. */ -static void r300_hw_copy(struct pipe_context* pipe, - struct pipe_surface* dst, - unsigned dstx, unsigned dsty, - struct pipe_surface* src, - unsigned srcx, unsigned srcy, - unsigned width, unsigned height) +/* Clear a region of a color surface to a constant value. */ +static void r300_clear_render_target(struct pipe_context *pipe, + struct pipe_surface *dst, + const union pipe_color_union *color, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height, + bool render_condition_enabled) { - struct r300_context* r300 = r300_context(pipe); - struct r300_textures_state* state = - (struct r300_textures_state*)r300->textures_state.state; + struct r300_context *r300 = r300_context(pipe); - /* Yeah we have to save all those states to ensure this blitter operation - * is really transparent. The states will be restored by the blitter once - * copying is done. */ - r300_blitter_save_states(r300); - util_blitter_save_framebuffer(r300->blitter, r300->fb_state.state); + r300_blitter_begin(r300, R300_CLEAR_SURFACE | + (render_condition_enabled ? 0 : R300_IGNORE_RENDER_COND)); + util_blitter_clear_render_target(r300->blitter, dst, color, + dstx, dsty, width, height); + r300_blitter_end(r300); +} + +/* Clear a region of a depth stencil surface. */ +static void r300_clear_depth_stencil(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned clear_flags, + double depth, + unsigned stencil, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height, + bool render_condition_enabled) +{ + struct r300_context *r300 = r300_context(pipe); + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + + if (r300->zmask_in_use && !r300->locked_zbuffer) { + if (fb->zsbuf->texture == dst->texture) { + r300_decompress_zmask(r300); + } + } + + /* XXX Do not decompress ZMask of the currently-set zbuffer. */ + r300_blitter_begin(r300, R300_CLEAR_SURFACE | + (render_condition_enabled ? 0 : R300_IGNORE_RENDER_COND)); + util_blitter_clear_depth_stencil(r300->blitter, dst, clear_flags, depth, stencil, + dstx, dsty, width, height); + r300_blitter_end(r300); +} + +void r300_decompress_zmask(struct r300_context *r300) +{ + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + + if (!r300->zmask_in_use || r300->locked_zbuffer) + return; + + r300->zmask_decompress = TRUE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); + + r300_blitter_begin(r300, R300_DECOMPRESS); + util_blitter_custom_clear_depth(r300->blitter, fb->width, fb->height, 0, + r300->dsa_decompress_zmask); + r300_blitter_end(r300); + + r300->zmask_decompress = FALSE; + r300->zmask_in_use = FALSE; + r300_mark_atom_dirty(r300, &r300->hyperz_state); +} + +void r300_decompress_zmask_locked_unsafe(struct r300_context *r300) +{ + struct pipe_framebuffer_state fb; + + memset(&fb, 0, sizeof(fb)); + fb.width = r300->locked_zbuffer->width; + fb.height = r300->locked_zbuffer->height; + fb.zsbuf = r300->locked_zbuffer; + + r300->context.set_framebuffer_state(&r300->context, &fb); + r300_decompress_zmask(r300); +} - util_blitter_save_fragment_sampler_states( - r300->blitter, state->sampler_count, (void**)state->sampler_states); +void r300_decompress_zmask_locked(struct r300_context *r300) +{ + struct pipe_framebuffer_state saved_fb; + + memset(&saved_fb, 0, sizeof(saved_fb)); + 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); + + pipe_surface_reference(&r300->locked_zbuffer, NULL); +} - util_blitter_save_fragment_sampler_views( - r300->blitter, state->texture_count, - state->fragment_sampler_views); +bool r300_is_blit_supported(enum pipe_format format) +{ + const struct util_format_description *desc = + util_format_description(format); - /* Do a copy */ - util_blitter_copy(r300->blitter, - dst, dstx, dsty, src, srcx, srcy, width, height, TRUE); + return desc->layout == UTIL_FORMAT_LAYOUT_PLAIN || + desc->layout == UTIL_FORMAT_LAYOUT_S3TC || + desc->layout == UTIL_FORMAT_LAYOUT_RGTC; } /* Copy a block of pixels from one surface to another. */ -void r300_surface_copy(struct pipe_context* pipe, - struct pipe_surface* dst, - unsigned dstx, unsigned dsty, - struct pipe_surface* src, - unsigned srcx, unsigned srcy, - unsigned width, unsigned height) -{ - enum pipe_format old_format = dst->texture->format; - enum pipe_format new_format = old_format; - - assert(dst->texture->format == src->texture->format); - - if (!pipe->screen->is_format_supported(pipe->screen, - old_format, src->texture->target, - PIPE_TEXTURE_USAGE_RENDER_TARGET | - PIPE_TEXTURE_USAGE_SAMPLER, 0)) { - switch (util_format_get_blocksize(old_format)) { +static void r300_resource_copy_region(struct pipe_context *pipe, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dstx, unsigned dsty, unsigned dstz, + struct pipe_resource *src, + unsigned src_level, + const struct pipe_box *src_box) +{ + struct pipe_screen *screen = pipe->screen; + struct r300_context *r300 = r300_context(pipe); + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + unsigned src_width0 = r300_resource(src)->tex.width0; + unsigned src_height0 = r300_resource(src)->tex.height0; + unsigned dst_width0 = r300_resource(dst)->tex.width0; + unsigned dst_height0 = r300_resource(dst)->tex.height0; + unsigned layout; + struct pipe_box box, dstbox; + struct pipe_sampler_view src_templ, *src_view; + struct pipe_surface dst_templ, *dst_view; + + /* Fallback for buffers. */ + if ((dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) || + !r300_is_blit_supported(dst->format)) { + util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, + src, src_level, src_box); + return; + } + + /* Can't read MSAA textures. */ + if (src->nr_samples > 1 || dst->nr_samples > 1) { + return; + } + + /* The code below changes the texture format so that the copy can be done + * on hardware. E.g. depth-stencil surfaces are copied as RGBA + * colorbuffers. */ + + util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); + util_blitter_default_src_texture(r300->blitter, &src_templ, src, src_level); + + layout = util_format_description(dst_templ.format)->layout; + + /* Handle non-renderable plain formats. */ + if (layout == UTIL_FORMAT_LAYOUT_PLAIN && + (!screen->is_format_supported(screen, src_templ.format, src->target, + src->nr_samples, src->nr_storage_samples, + PIPE_BIND_SAMPLER_VIEW) || + !screen->is_format_supported(screen, dst_templ.format, dst->target, + dst->nr_samples, dst->nr_storage_samples, + PIPE_BIND_RENDER_TARGET))) { + switch (util_format_get_blocksize(dst_templ.format)) { case 1: - new_format = PIPE_FORMAT_I8_UNORM; + dst_templ.format = PIPE_FORMAT_I8_UNORM; break; case 2: - new_format = PIPE_FORMAT_B4G4R4A4_UNORM; + dst_templ.format = PIPE_FORMAT_B4G4R4A4_UNORM; break; case 4: - new_format = PIPE_FORMAT_B8G8R8A8_UNORM; + dst_templ.format = PIPE_FORMAT_B8G8R8A8_UNORM; + break; + case 8: + dst_templ.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_name(old_format)); + debug_printf("r300: copy_region: Unhandled format: %s. Falling back to software.\n" + "r300: copy_region: Software fallback doesn't work for tiled textures.\n", + util_format_short_name(dst_templ.format)); } + src_templ.format = dst_templ.format; } - if (old_format != new_format) { - dst->format = new_format; - src->format = new_format; + /* Handle compressed formats. */ + if (layout == UTIL_FORMAT_LAYOUT_S3TC || + layout == UTIL_FORMAT_LAYOUT_RGTC) { + assert(src_templ.format == dst_templ.format); + + box = *src_box; + src_box = &box; + + dst_width0 = align(dst_width0, 4); + dst_height0 = align(dst_height0, 4); + src_width0 = align(src_width0, 4); + src_height0 = align(src_height0, 4); + box.width = align(box.width, 4); + box.height = align(box.height, 4); - r300_texture_reinterpret_format(pipe->screen, - dst->texture, new_format); - r300_texture_reinterpret_format(pipe->screen, - src->texture, new_format); + switch (util_format_get_blocksize(dst_templ.format)) { + case 8: + /* one 4x4 pixel block has 8 bytes. + * we set 1 pixel = 4 bytes ===> 1 block corrensponds to 2 pixels. */ + dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM; + dst_width0 = dst_width0 / 2; + src_width0 = src_width0 / 2; + dstx /= 2; + box.x /= 2; + box.width /= 2; + break; + case 16: + /* one 4x4 pixel block has 16 bytes. + * we set 1 pixel = 4 bytes ===> 1 block corresponds to 4 pixels. */ + dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM; + break; + } + src_templ.format = dst_templ.format; + + dst_height0 = dst_height0 / 4; + src_height0 = src_height0 / 4; + dsty /= 4; + box.y /= 4; + box.height /= 4; + } + + /* Fallback for textures. */ + if (!screen->is_format_supported(screen, dst_templ.format, + dst->target, dst->nr_samples, + dst->nr_storage_samples, + PIPE_BIND_RENDER_TARGET) || + !screen->is_format_supported(screen, src_templ.format, + src->target, src->nr_samples, + src->nr_storage_samples, + PIPE_BIND_SAMPLER_VIEW)) { + assert(0 && "this shouldn't happen, update r300_is_blit_supported"); + util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, + src, src_level, src_box); + return; } - r300_hw_copy(pipe, dst, dstx, dsty, src, srcx, srcy, width, height); + /* Decompress ZMASK. */ + if (r300->zmask_in_use && !r300->locked_zbuffer) { + if (fb->zsbuf->texture == src || + fb->zsbuf->texture == dst) { + r300_decompress_zmask(r300); + } + } - if (old_format != new_format) { - dst->format = old_format; - src->format = old_format; + dst_view = r300_create_surface_custom(pipe, dst, &dst_templ, dst_width0, dst_height0); + src_view = r300_create_sampler_view_custom(pipe, src, &src_templ, src_width0, src_height0); - r300_texture_reinterpret_format(pipe->screen, - dst->texture, old_format); - r300_texture_reinterpret_format(pipe->screen, - src->texture, old_format); + u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height), + abs(src_box->depth), &dstbox); + + r300_blitter_begin(r300, R300_COPY); + util_blitter_blit_generic(r300->blitter, dst_view, &dstbox, + src_view, src_box, src_width0, src_height0, + PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL, + FALSE); + r300_blitter_end(r300); + + pipe_surface_reference(&dst_view, NULL); + pipe_sampler_view_reference(&src_view, NULL); +} + +static boolean r300_is_simple_msaa_resolve(const struct pipe_blit_info *info) +{ + unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level); + unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level); + + return info->src.resource->nr_samples > 1 && + info->dst.resource->nr_samples <= 1 && + info->dst.resource->format == info->src.resource->format && + info->dst.resource->format == info->dst.format && + info->src.resource->format == info->src.format && + !info->scissor_enable && + info->mask == PIPE_MASK_RGBA && + dst_width == info->src.resource->width0 && + dst_height == info->src.resource->height0 && + info->dst.box.x == 0 && + info->dst.box.y == 0 && + info->dst.box.width == dst_width && + info->dst.box.height == dst_height && + info->src.box.x == 0 && + info->src.box.y == 0 && + info->src.box.width == dst_width && + info->src.box.height == dst_height && + (r300_resource(info->dst.resource)->tex.microtile != RADEON_LAYOUT_LINEAR || + r300_resource(info->dst.resource)->tex.macrotile[info->dst.level] != RADEON_LAYOUT_LINEAR); +} + +static void r300_simple_msaa_resolve(struct pipe_context *pipe, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dst_layer, + struct pipe_resource *src, + enum pipe_format format) +{ + struct r300_context *r300 = r300_context(pipe); + struct r300_surface *srcsurf, *dstsurf; + struct pipe_surface surf_tmpl; + struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; + + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = format; + srcsurf = r300_surface(pipe->create_surface(pipe, src, &surf_tmpl)); + + surf_tmpl.format = format; + surf_tmpl.u.tex.level = dst_level; + surf_tmpl.u.tex.first_layer = + surf_tmpl.u.tex.last_layer = dst_layer; + dstsurf = r300_surface(pipe->create_surface(pipe, dst, &surf_tmpl)); + + /* COLORPITCH should contain the tiling info of the resolve buffer. + * The tiling of the AA buffer isn't programmable anyway. */ + srcsurf->pitch &= ~(R300_COLOR_TILE(1) | R300_COLOR_MICROTILE(3)); + srcsurf->pitch |= dstsurf->pitch & (R300_COLOR_TILE(1) | R300_COLOR_MICROTILE(3)); + + /* Enable AA resolve. */ + aa->dest = dstsurf; + r300->aa_state.size = 8; + r300_mark_atom_dirty(r300, &r300->aa_state); + + /* Resolve the surface. */ + r300_blitter_begin(r300, R300_CLEAR_SURFACE); + util_blitter_custom_color(r300->blitter, &srcsurf->base, NULL); + r300_blitter_end(r300); + + /* Disable AA resolve. */ + aa->dest = NULL; + r300->aa_state.size = 4; + r300_mark_atom_dirty(r300, &r300->aa_state); + + pipe_surface_reference((struct pipe_surface**)&srcsurf, NULL); + pipe_surface_reference((struct pipe_surface**)&dstsurf, NULL); +} + +static void r300_msaa_resolve(struct pipe_context *pipe, + const struct pipe_blit_info *info) +{ + struct r300_context *r300 = r300_context(pipe); + struct pipe_screen *screen = pipe->screen; + struct pipe_resource *tmp, templ; + struct pipe_blit_info blit; + + assert(info->src.level == 0); + assert(info->src.box.z == 0); + assert(info->src.box.depth == 1); + assert(info->dst.box.depth == 1); + + if (r300_is_simple_msaa_resolve(info)) { + r300_simple_msaa_resolve(pipe, info->dst.resource, info->dst.level, + info->dst.box.z, info->src.resource, + info->src.format); + return; } + + /* resolve into a temporary texture, then blit */ + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = info->src.resource->format; + templ.width0 = info->src.resource->width0; + templ.height0 = info->src.resource->height0; + templ.depth0 = 1; + templ.array_size = 1; + templ.usage = PIPE_USAGE_DEFAULT; + templ.flags = R300_RESOURCE_FORCE_MICROTILING; + + tmp = screen->resource_create(screen, &templ); + + /* resolve */ + r300_simple_msaa_resolve(pipe, tmp, 0, 0, info->src.resource, + info->src.format); + + /* blit */ + blit = *info; + blit.src.resource = tmp; + blit.src.box.z = 0; + + r300_blitter_begin(r300, R300_BLIT | R300_IGNORE_RENDER_COND); + util_blitter_blit(r300->blitter, &blit); + r300_blitter_end(r300); + + pipe_resource_reference(&tmp, NULL); } -/* Fill a region of a surface with a constant value. */ -void r300_surface_fill(struct pipe_context* pipe, - struct pipe_surface* dst, - unsigned dstx, unsigned dsty, - unsigned width, unsigned height, - unsigned value) +static void r300_blit(struct pipe_context *pipe, + const struct pipe_blit_info *blit) { - struct r300_context* r300 = r300_context(pipe); + struct r300_context *r300 = r300_context(pipe); + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + struct pipe_blit_info info = *blit; + + /* The driver supports sRGB textures but not framebuffers. Blitting + * from sRGB to sRGB should be the same as blitting from linear + * to linear, so use that, This avoids incorrect linearization. + */ + if (util_format_is_srgb(info.src.format)) { + info.src.format = util_format_linear(info.src.format); + info.dst.format = util_format_linear(info.dst.format); + } + + /* MSAA resolve. */ + if (info.src.resource->nr_samples > 1 && + !util_format_is_depth_or_stencil(info.src.resource->format)) { + r300_msaa_resolve(pipe, &info); + return; + } - r300_blitter_save_states(r300); - util_blitter_save_framebuffer(r300->blitter, r300->fb_state.state); + /* Can't read MSAA textures. */ + if (info.src.resource->nr_samples > 1) { + return; + } - util_blitter_fill(r300->blitter, - dst, dstx, dsty, width, height, value); + /* Blit a combined depth-stencil resource as color. + * S8Z24 is the only supported stencil format. */ + if ((info.mask & PIPE_MASK_S) && + info.src.format == PIPE_FORMAT_S8_UINT_Z24_UNORM && + info.dst.format == PIPE_FORMAT_S8_UINT_Z24_UNORM) { + if (info.dst.resource->nr_samples > 1) { + /* Cannot do that with MSAA buffers. */ + info.mask &= ~PIPE_MASK_S; + if (!(info.mask & PIPE_MASK_Z)) { + return; + } + } else { + /* Single-sample buffer. */ + info.src.format = PIPE_FORMAT_B8G8R8A8_UNORM; + info.dst.format = PIPE_FORMAT_B8G8R8A8_UNORM; + if (info.mask & PIPE_MASK_Z) { + info.mask = PIPE_MASK_RGBA; /* depth+stencil */ + } else { + info.mask = PIPE_MASK_B; /* stencil only */ + } + } + } + + /* Decompress ZMASK. */ + if (r300->zmask_in_use && !r300->locked_zbuffer) { + if (fb->zsbuf->texture == info.src.resource || + fb->zsbuf->texture == info.dst.resource) { + r300_decompress_zmask(r300); + } + } + + r300_blitter_begin(r300, R300_BLIT | + (info.render_condition_enable ? 0 : R300_IGNORE_RENDER_COND)); + util_blitter_blit(r300->blitter, &info); + r300_blitter_end(r300); +} + +static void r300_flush_resource(struct pipe_context *ctx, + struct pipe_resource *resource) +{ +} + +void r300_init_blit_functions(struct r300_context *r300) +{ + r300->context.clear = r300_clear; + r300->context.clear_render_target = r300_clear_render_target; + r300->context.clear_depth_stencil = r300_clear_depth_stencil; + r300->context.resource_copy_region = r300_resource_copy_region; + r300->context.blit = r300_blit; + r300->context.flush_resource = r300_flush_resource; }