/* * Copyright 2008 Corbin Simpson * Copyright 2009 Marek Olšák * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "draw/draw_context.h" #include "util/u_math.h" #include "util/u_memory.h" #include "r300_context.h" #include "r300_fs.h" #include "r300_hyperz.h" #include "r300_screen.h" #include "r300_shader_semantics.h" #include "r300_state.h" #include "r300_state_derived.h" #include "r300_state_inlines.h" #include "r300_vs.h" /* r300_state_derived: Various bits of state which are dependent upon * currently bound CSO data. */ enum r300_rs_swizzle { SWIZ_XYZW = 0, SWIZ_X001, SWIZ_XY01, SWIZ_0001, }; static void r300_draw_emit_attrib(struct r300_context* r300, enum attrib_emit emit, enum interp_mode interp, int index) { struct r300_vertex_shader* vs = r300->vs_state.state; struct tgsi_shader_info* info = &vs->info; int output; output = draw_find_shader_output(r300->draw, info->output_semantic_name[index], info->output_semantic_index[index]); draw_emit_vertex_attr(&r300->vertex_info, emit, interp, output); } static void r300_draw_emit_all_attribs(struct r300_context* r300) { struct r300_vertex_shader* vs = r300->vs_state.state; struct r300_shader_semantics* vs_outputs = &vs->outputs; int i, gen_count; /* Position. */ if (vs_outputs->pos != ATTR_UNUSED) { r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, vs_outputs->pos); } else { assert(0); } /* Point size. */ if (vs_outputs->psize != ATTR_UNUSED) { r300_draw_emit_attrib(r300, EMIT_1F_PSIZE, INTERP_POS, vs_outputs->psize); } /* Colors. */ for (i = 0; i < ATTR_COLOR_COUNT; i++) { if (vs_outputs->color[i] != ATTR_UNUSED) { r300_draw_emit_attrib(r300, EMIT_4F, INTERP_LINEAR, vs_outputs->color[i]); } } /* XXX Back-face colors. */ /* Texture coordinates. */ /* Only 8 generic vertex attributes can be used. If there are more, * they won't be rasterized. */ gen_count = 0; for (i = 0; i < ATTR_GENERIC_COUNT && gen_count < 8; i++) { if (vs_outputs->generic[i] != ATTR_UNUSED) { r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, vs_outputs->generic[i]); gen_count++; } } /* Fog coordinates. */ if (gen_count < 8 && vs_outputs->fog != ATTR_UNUSED) { r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, vs_outputs->fog); gen_count++; } } /* Update the PSC tables for SW TCL, using Draw. */ static void r300_swtcl_vertex_psc(struct r300_context *r300) { struct r300_vertex_stream_state *vstream = r300->vertex_stream_state.state; struct r300_vertex_shader* vs = r300->vs_state.state; struct vertex_info* vinfo = &r300->vertex_info; uint16_t type, swizzle; enum pipe_format format; unsigned i, attrib_count; int* vs_output_tab = vs->stream_loc_notcl; /* XXX hax */ memset(vstream, 0, sizeof(struct r300_vertex_stream_state)); /* For each Draw attribute, route it to the fragment shader according * to the vs_output_tab. */ attrib_count = vinfo->num_attribs; DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count); for (i = 0; i < attrib_count; i++) { DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d," " vs_output_tab %d\n", vinfo->attrib[i].src_index, vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit, vs_output_tab[i]); /* Make sure we have a proper destination for our attribute. */ assert(vs_output_tab[i] != -1); format = draw_translate_vinfo_format(vinfo->attrib[i].emit); /* Obtain the type of data in this attribute. */ type = r300_translate_vertex_data_type(format) | vs_output_tab[i] << R300_DST_VEC_LOC_SHIFT; /* Obtain the swizzle for this attribute. Note that the default * swizzle in the hardware is not XYZW! */ swizzle = r300_translate_vertex_data_swizzle(format); /* Add the attribute to the PSC table. */ if (i & 1) { vstream->vap_prog_stream_cntl[i >> 1] |= type << 16; vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16; } else { vstream->vap_prog_stream_cntl[i >> 1] |= type; vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle; } } /* Set the last vector in the PSC. */ if (i) { i -= 1; } vstream->vap_prog_stream_cntl[i >> 1] |= (R300_LAST_VEC << (i & 1 ? 16 : 0)); vstream->count = (i >> 1) + 1; r300->vertex_stream_state.dirty = TRUE; r300->vertex_stream_state.size = (1 + vstream->count) * 2; } static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr, enum r300_rs_swizzle swiz) { rs->ip[id] |= R300_RS_COL_PTR(ptr); if (swiz == SWIZ_0001) { rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_0001); } else { rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA); } rs->inst[id] |= R300_RS_INST_COL_ID(id); } static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset) { rs->inst[id] |= R300_RS_INST_COL_CN_WRITE | R300_RS_INST_COL_ADDR(fp_offset); } static void r300_rs_tex(struct r300_rs_block* rs, int id, int ptr, enum r300_rs_swizzle swiz) { if (swiz == SWIZ_X001) { rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) | R300_RS_SEL_S(R300_RS_SEL_C0) | R300_RS_SEL_T(R300_RS_SEL_K0) | R300_RS_SEL_R(R300_RS_SEL_K0) | R300_RS_SEL_Q(R300_RS_SEL_K1); } else if (swiz == SWIZ_XY01) { rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) | R300_RS_SEL_S(R300_RS_SEL_C0) | R300_RS_SEL_T(R300_RS_SEL_C1) | R300_RS_SEL_R(R300_RS_SEL_K0) | R300_RS_SEL_Q(R300_RS_SEL_K1); } else { rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) | R300_RS_SEL_S(R300_RS_SEL_C0) | R300_RS_SEL_T(R300_RS_SEL_C1) | R300_RS_SEL_R(R300_RS_SEL_C2) | R300_RS_SEL_Q(R300_RS_SEL_C3); } rs->inst[id] |= R300_RS_INST_TEX_ID(id); } static void r300_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset) { rs->inst[id] |= R300_RS_INST_TEX_CN_WRITE | R300_RS_INST_TEX_ADDR(fp_offset); } static void r500_rs_col(struct r300_rs_block* rs, int id, int ptr, enum r300_rs_swizzle swiz) { rs->ip[id] |= R500_RS_COL_PTR(ptr); if (swiz == SWIZ_0001) { rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001); } else { rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA); } rs->inst[id] |= R500_RS_INST_COL_ID(id); } static void r500_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset) { rs->inst[id] |= R500_RS_INST_COL_CN_WRITE | R500_RS_INST_COL_ADDR(fp_offset); } static void r500_rs_tex(struct r300_rs_block* rs, int id, int ptr, enum r300_rs_swizzle swiz) { int rs_tex_comp = ptr*4; if (swiz == SWIZ_X001) { rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) | R500_RS_SEL_T(R500_RS_IP_PTR_K0) | R500_RS_SEL_R(R500_RS_IP_PTR_K0) | R500_RS_SEL_Q(R500_RS_IP_PTR_K1); } else if (swiz == SWIZ_XY01) { rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) | R500_RS_SEL_T(rs_tex_comp + 1) | R500_RS_SEL_R(R500_RS_IP_PTR_K0) | R500_RS_SEL_Q(R500_RS_IP_PTR_K1); } else { rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) | R500_RS_SEL_T(rs_tex_comp + 1) | R500_RS_SEL_R(rs_tex_comp + 2) | R500_RS_SEL_Q(rs_tex_comp + 3); } rs->inst[id] |= R500_RS_INST_TEX_ID(id); } static void r500_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset) { rs->inst[id] |= R500_RS_INST_TEX_CN_WRITE | R500_RS_INST_TEX_ADDR(fp_offset); } /* Set up the RS block. * * This is the part of the chipset that actually does the rasterization * of vertices into fragments. This is also the part of the chipset that * locks up if any part of it is even slightly wrong. */ static void r300_update_rs_block(struct r300_context* r300, struct r300_shader_semantics* vs_outputs, struct r300_shader_semantics* fs_inputs) { struct r300_rs_block rs = { { 0 } }; int i, col_count = 0, tex_count = 0, fp_offset = 0, count; void (*rX00_rs_col)(struct r300_rs_block*, int, int, enum r300_rs_swizzle); void (*rX00_rs_col_write)(struct r300_rs_block*, int, int); void (*rX00_rs_tex)(struct r300_rs_block*, int, int, enum r300_rs_swizzle); void (*rX00_rs_tex_write)(struct r300_rs_block*, int, int); boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED || vs_outputs->bcolor[1] != ATTR_UNUSED; if (r300->screen->caps.is_r500) { rX00_rs_col = r500_rs_col; rX00_rs_col_write = r500_rs_col_write; rX00_rs_tex = r500_rs_tex; rX00_rs_tex_write = r500_rs_tex_write; } else { rX00_rs_col = r300_rs_col; rX00_rs_col_write = r300_rs_col_write; rX00_rs_tex = r300_rs_tex; rX00_rs_tex_write = r300_rs_tex_write; } /* Rasterize colors. */ for (i = 0; i < ATTR_COLOR_COUNT; i++) { if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used || vs_outputs->color[1] != ATTR_UNUSED) { /* Always rasterize if it's written by the VS, * otherwise it locks up. */ rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW); /* Write it to the FS input register if it's used by the FS. */ if (fs_inputs->color[i] != ATTR_UNUSED) { rX00_rs_col_write(&rs, col_count, fp_offset); fp_offset++; DBG(r300, DBG_RS, "r300: Rasterized color %i written to FS.\n", i); } else { DBG(r300, DBG_RS, "r300: Rasterized color %i unused.\n", i); } col_count++; } else { /* Skip the FS input register, leave it uninitialized. */ /* If we try to set it to (0,0,0,1), it will lock up. */ if (fs_inputs->color[i] != ATTR_UNUSED) { fp_offset++; DBG(r300, DBG_RS, "r300: FS input color %i unassigned%s.\n", i); } } } /* Rasterize texture coordinates. */ for (i = 0; i < ATTR_GENERIC_COUNT; i++) { bool sprite_coord = !!(r300->sprite_coord_enable & (1 << i)); if (vs_outputs->generic[i] != ATTR_UNUSED || sprite_coord) { /* Always rasterize if it's written by the VS, * otherwise it locks up. */ rX00_rs_tex(&rs, tex_count, tex_count, sprite_coord ? SWIZ_XY01 : SWIZ_XYZW); /* Write it to the FS input register if it's used by the FS. */ if (fs_inputs->generic[i] != ATTR_UNUSED) { rX00_rs_tex_write(&rs, tex_count, fp_offset); fp_offset++; DBG(r300, DBG_RS, "r300: Rasterized generic %i written to FS%s.\n", i, sprite_coord ? " (sprite coord)" : ""); } else { DBG(r300, DBG_RS, "r300: Rasterized generic %i unused%s.\n", i, sprite_coord ? " (sprite coord)" : ""); } tex_count++; } else { /* Skip the FS input register, leave it uninitialized. */ /* If we try to set it to (0,0,0,1), it will lock up. */ if (fs_inputs->generic[i] != ATTR_UNUSED) { fp_offset++; DBG(r300, DBG_RS, "r300: FS input generic %i unassigned%s.\n", i, sprite_coord ? " (sprite coord)" : ""); } } } /* Rasterize fog coordinates. */ if (vs_outputs->fog != ATTR_UNUSED) { /* Always rasterize if it's written by the VS, * otherwise it locks up. */ rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_X001); /* Write it to the FS input register if it's used by the FS. */ if (fs_inputs->fog != ATTR_UNUSED) { rX00_rs_tex_write(&rs, tex_count, fp_offset); fp_offset++; DBG(r300, DBG_RS, "r300: Rasterized fog written to FS.\n"); } else { DBG(r300, DBG_RS, "r300: Rasterized fog unused.\n"); } tex_count++; } else { /* Skip the FS input register, leave it uninitialized. */ /* If we try to set it to (0,0,0,1), it will lock up. */ if (fs_inputs->fog != ATTR_UNUSED) { fp_offset++; DBG(r300, DBG_RS, "r300: FS input fog unassigned.\n"); } } /* Rasterize WPOS. */ /* If the FS doesn't need it, it's not written by the VS. */ if (vs_outputs->wpos != ATTR_UNUSED && fs_inputs->wpos != ATTR_UNUSED) { rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_XYZW); rX00_rs_tex_write(&rs, tex_count, fp_offset); DBG(r300, DBG_RS, "r300: Rasterized WPOS written to FS.\n"); fp_offset++; tex_count++; } /* Rasterize at least one color, or bad things happen. */ if (col_count == 0 && tex_count == 0) { rX00_rs_col(&rs, 0, 0, SWIZ_0001); col_count++; DBG(r300, DBG_RS, "r300: Rasterized color 0 to prevent lockups.\n"); } DBG(r300, DBG_RS, "r300: --- Rasterizer status ---: colors: %i, " "generics: %i.\n", col_count, tex_count); rs.count = (tex_count*4) | (col_count << R300_IC_COUNT_SHIFT) | R300_HIRES_EN; count = MAX3(col_count, tex_count, 1); rs.inst_count = count - 1; /* Now, after all that, see if we actually need to update the state. */ if (memcmp(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block))) { memcpy(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block)); r300->rs_block_state.size = 5 + count*2; } } /* Update the shader-dependant states. */ static void r300_update_derived_shader_state(struct r300_context* r300) { struct r300_vertex_shader* vs = r300->vs_state.state; r300_update_rs_block(r300, &vs->outputs, &r300_fs(r300)->shader->inputs); } static void r300_merge_textures_and_samplers(struct r300_context* r300) { struct r300_textures_state *state = (struct r300_textures_state*)r300->textures_state.state; struct r300_texture_sampler_state *texstate; struct r300_sampler_state *sampler; struct r300_sampler_view *view; struct r300_texture *tex; unsigned min_level, max_level, i, size; unsigned count = MIN2(state->sampler_view_count, state->sampler_state_count); state->tx_enable = 0; state->count = 0; size = 2; for (i = 0; i < count; i++) { if (state->sampler_views[i] && state->sampler_states[i]) { state->tx_enable |= 1 << i; view = state->sampler_views[i]; tex = r300_texture(view->base.texture); sampler = state->sampler_states[i]; texstate = &state->regs[i]; texstate->format = view->format; texstate->filter0 = sampler->filter0; texstate->filter1 = sampler->filter1; texstate->border_color = sampler->border_color; /* to emulate 1D textures through 2D ones correctly */ if (tex->b.b.target == PIPE_TEXTURE_1D) { texstate->filter0 &= ~R300_TX_WRAP_T_MASK; texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE); } if (tex->uses_pitch) { /* NPOT textures don't support mip filter, unfortunately. * This prevents incorrect rendering. */ texstate->filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK; /* Mask out the mirrored flag. */ if (texstate->filter0 & R300_TX_WRAP_S(R300_TX_MIRRORED)) { texstate->filter0 &= ~R300_TX_WRAP_S(R300_TX_MIRRORED); } if (texstate->filter0 & R300_TX_WRAP_T(R300_TX_MIRRORED)) { texstate->filter0 &= ~R300_TX_WRAP_T(R300_TX_MIRRORED); } /* Change repeat to clamp-to-edge. * (the repeat bit has a value of 0, no masking needed). */ if ((texstate->filter0 & R300_TX_WRAP_S_MASK) == R300_TX_WRAP_S(R300_TX_REPEAT)) { texstate->filter0 |= R300_TX_WRAP_S(R300_TX_CLAMP_TO_EDGE); } if ((texstate->filter0 & R300_TX_WRAP_T_MASK) == R300_TX_WRAP_T(R300_TX_REPEAT)) { texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE); } } else { /* determine min/max levels */ /* the MAX_MIP level is the largest (finest) one */ max_level = MIN3(sampler->max_lod + view->base.first_level, tex->b.b.last_level, view->base.last_level); min_level = MIN2(sampler->min_lod + view->base.first_level, max_level); texstate->format.format0 |= R300_TX_NUM_LEVELS(max_level); texstate->filter0 |= R300_TX_MAX_MIP_LEVEL(min_level); } texstate->filter0 |= i << 28; size += 16; state->count = i+1; } } r300->textures_state.size = size; /* Pick a fragment shader based on either the texture compare state * or the uses_pitch flag. */ if (r300->fs.state && count) { if (r300_pick_fragment_shader(r300)) { r300_mark_fs_code_dirty(r300); } } } void r300_update_derived_state(struct r300_context* r300) { if (r300->textures_state.dirty) { r300_merge_textures_and_samplers(r300); } if (r300->rs_block_state.dirty) { r300_update_derived_shader_state(r300); } if (r300->draw) { memset(&r300->vertex_info, 0, sizeof(struct vertex_info)); r300_draw_emit_all_attribs(r300); draw_compute_vertex_size(&r300->vertex_info); r300_swtcl_vertex_psc(r300); } r300_update_hyperz_state(r300); }