diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_blit.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_blit.c | 403 |
1 files changed, 309 insertions, 94 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index 928ad300eee..91a374a5838 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -20,14 +20,32 @@ * 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_hyperz.h" #include "r300_texture.h" +#include "r300_winsys.h" #include "util/u_format.h" +#include "util/u_pack_color.h" -static void r300_blitter_save_states(struct r300_context* r300) +enum r300_blitter_op /* bitmask */ { + R300_CLEAR = 1, + R300_CLEAR_SURFACE = 2, + R300_COPY = 4 +}; + +static void r300_blitter_begin(struct r300_context* r300, enum r300_blitter_op op) +{ + if (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)); @@ -35,109 +53,315 @@ static void r300_blitter_save_states(struct r300_context* r300) 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_clip(r300->blitter, (struct pipe_clip_state*)r300->clip_state.state); util_blitter_save_vertex_elements(r300->blitter, r300->velems); - /* XXX this crashes the driver util_blitter_save_vertex_buffers(r300->blitter, r300->vertex_buffer_count, - r300->vertex_buffer); */ + r300->vertex_buffer); + + 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 = + (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); + } +} + +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; + } +} + +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; + 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 || fb->nr_cbufs != 1) + return FALSE; + + return r300_surface(fb->cbufs[0])->cbzb_allowed; +} + +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_USCALED_Z24_UNORM: + return util_pack_z_stencil(format, depth, stencil); + + default: + assert(0); + return 0; + } } /* 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 float* rgba, + double depth, + unsigned stencil) { - /* XXX Implement fastfill. + /* My notes about fastfill: + * + * 1) Only the zbuffer is cleared. + * + * 2) The zbuffer must be micro-tiled and whole microtiles must be + * written. If microtiling is disabled, it locks up. * - * If fastfill is enabled, a few facts should be considered: + * 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: * - * 1) Zbuffer must be micro-tiled and whole microtiles must be - * written. + * 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. * - * 2) ZB_DEPTHCLEARVALUE is used to clear a zbuffer and Z Mask must be - * equal to 0. + * 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) * - * 3) For 16-bit integer buffering, compression causes a hung with one or + * 5) For 16-bit zbuffer, compression causes a hung with one or * two samples and should not be used. * - * 4) Fastfill must not be used if reading of compressed Z data is disabled + * 6) 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 * 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?) + * + * 8) ZB_CB_CLEAR does not interact with fastfill 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; + struct r300_texture *zstex = + fb->zsbuf ? r300_texture(fb->zsbuf->texture) : NULL; + uint32_t width = fb->width; + uint32_t height = fb->height; + boolean has_hyperz = r300->rws->get_value(r300->rws, R300_CAN_HYPERZ); + uint32_t hyperz_dcv = hyperz->zb_depthclearvalue; + + /* Enable fast Z clear. + * The zbuffer must be in micro-tiled mode, otherwise it locks up. */ + if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && has_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->level]) { + r300->zmask_clear.dirty = TRUE; + buffers &= ~PIPE_CLEAR_DEPTHSTENCIL; + } + if (zstex->hiz_mem[fb->zsbuf->level]) + r300->hiz_clear.dirty = TRUE; + } + + /* Enable CBZB clear. */ + if (r300_cbzb_clear_allowed(r300, buffers)) { + struct r300_surface *surf = r300_surface(fb->cbufs[0]); - r300_blitter_save_states(r300); + hyperz->zb_depthclearvalue = + r300_depth_clear_cb_value(surf->base.format, rgba); - util_blitter_clear(r300->blitter, - fb->width, - fb->height, - fb->nr_cbufs, - buffers, rgba, depth, stencil); + width = surf->cbzb_width; + height = surf->cbzb_height; + + r300->cbzb_clear = TRUE; + r300_mark_fb_state_dirty(r300, R300_CHANGED_CBZB_FLAG); + } + + /* Clear. */ + if (buffers) { + /* Clear using the blitter. */ + r300_blitter_begin(r300, R300_CLEAR); + util_blitter_clear(r300->blitter, + width, + height, + fb->nr_cbufs, + 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 + * procedure. */ + unsigned dwords; + + /* Calculate zmask_clear and hiz_clear atom sizes. */ + r300_update_hyperz_state(r300); + dwords = r300->zmask_clear.size + + (r300->hiz_clear.dirty ? r300->hiz_clear.size : 0) + + r300_get_num_cs_end_dwords(r300); + + /* Reserve CS space. */ + if (dwords > (r300->cs->ndw - r300->cs->cdw)) { + r300->context.flush(&r300->context, 0, NULL); + } + + /* Emit clear packets. */ + 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; + } + } 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_CBZB_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->level] || + zstex->hiz_in_use[fb->zsbuf->level])) { + r300->hyperz_state.dirty = TRUE; + } } -/* 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 float *rgba, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) { - 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); + util_blitter_clear_render_target(r300->blitter, dst, rgba, + 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) +{ + struct r300_context *r300 = r300_context(pipe); + + 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); +} + +/* Flush a depth stencil buffer. */ +void r300_flush_depth_stencil(struct pipe_context *pipe, + struct pipe_resource *dst, + struct pipe_subresource subdst, + unsigned zslice) +{ + struct r300_context *r300 = r300_context(pipe); + struct pipe_surface *dstsurf; + struct r300_texture *tex = r300_texture(dst); - util_blitter_save_fragment_sampler_states( - r300->blitter, state->sampler_state_count, - (void**)state->sampler_states); + if (!tex->zmask_mem[subdst.level]) + return; + if (!tex->zmask_in_use[subdst.level]) + return; - util_blitter_save_fragment_sampler_views( - r300->blitter, state->sampler_view_count, - (struct pipe_sampler_view**)state->sampler_views); + dstsurf = pipe->screen->get_tex_surface(pipe->screen, dst, + subdst.face, subdst.level, zslice, + PIPE_BIND_DEPTH_STENCIL); + r300->z_decomp_rd = TRUE; + r300_blitter_begin(r300, R300_CLEAR_SURFACE); + util_blitter_flush_depth_stencil(r300->blitter, dstsurf); + r300_blitter_end(r300); + r300->z_decomp_rd = FALSE; - /* Do a copy */ - util_blitter_copy(r300->blitter, - dst, dstx, dsty, src, srcx, srcy, width, height, TRUE); + tex->zmask_in_use[subdst.level] = FALSE; } -/* 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) +/* Copy a block of pixels from one surface to another using HW. */ +static void r300_hw_copy_region(struct pipe_context* pipe, + struct pipe_resource *dst, + struct pipe_subresource subdst, + unsigned dstx, unsigned dsty, unsigned dstz, + struct pipe_resource *src, + struct pipe_subresource subsrc, + unsigned srcx, unsigned srcy, unsigned srcz, + unsigned width, unsigned height) { - enum pipe_format old_format = dst->texture->format; - enum pipe_format new_format = old_format; + struct r300_context* r300 = r300_context(pipe); - if (dst->texture->format != src->texture->format) { - debug_printf("r300: Implementation error: Format mismatch in %s\n" - " : src: %s dst: %s\n", __FUNCTION__, - util_format_name(src->texture->format), - util_format_name(dst->texture->format)); - debug_assert(0); - } + r300_blitter_begin(r300, R300_COPY); + util_blitter_copy_region(r300->blitter, dst, subdst, dstx, dsty, dstz, + src, subsrc, srcx, srcy, srcz, width, height, + TRUE); + r300_blitter_end(r300); +} +/* Copy a block of pixels from one surface to another. */ +static void r300_resource_copy_region(struct pipe_context *pipe, + struct pipe_resource *dst, + struct pipe_subresource subdst, + unsigned dstx, unsigned dsty, unsigned dstz, + struct pipe_resource *src, + struct pipe_subresource subsrc, + unsigned srcx, unsigned srcy, unsigned srcz, + unsigned width, unsigned height) +{ + 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->texture->target, + old_format, src->target, + src->nr_samples, PIPE_BIND_RENDER_TARGET | - PIPE_BIND_SAMPLER_VIEW, 0)) { + PIPE_BIND_SAMPLER_VIEW, 0) && + util_format_is_plain(old_format)) { switch (util_format_get_blocksize(old_format)) { case 1: new_format = PIPE_FORMAT_I8_UNORM; @@ -154,45 +378,36 @@ void r300_surface_copy(struct pipe_context* pipe, 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)); + util_format_short_name(old_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, subsrc, srcz); + } if (old_format != new_format) { - dst->format = new_format; - src->format = new_format; - r300_texture_reinterpret_format(pipe->screen, - dst->texture, new_format); + dst, new_format); r300_texture_reinterpret_format(pipe->screen, - src->texture, new_format); + src, new_format); } - r300_hw_copy(pipe, dst, dstx, dsty, src, srcx, srcy, width, height); + r300_hw_copy_region(pipe, dst, subdst, dstx, dsty, dstz, + src, subsrc, srcx, srcy, srcz, width, height); if (old_format != new_format) { - dst->format = old_format; - src->format = old_format; - r300_texture_reinterpret_format(pipe->screen, - dst->texture, old_format); + dst, old_format); r300_texture_reinterpret_format(pipe->screen, - src->texture, old_format); + src, old_format); } } -/* 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) +void r300_init_blit_functions(struct r300_context *r300) { - struct r300_context* r300 = r300_context(pipe); - - r300_blitter_save_states(r300); - util_blitter_save_framebuffer(r300->blitter, r300->fb_state.state); - - util_blitter_fill(r300->blitter, - dst, dstx, dsty, width, height, value); + 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; } |