| /* |
| * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * Copyright 2009 Marek Olšák <maraeo@gmail.com> |
| * |
| * 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 "util/u_pack_color.h" |
| |
| #include "r300_context.h" |
| #include "r300_fs.h" |
| #include "r300_screen.h" |
| #include "r300_shader_semantics.h" |
| #include "r300_state_inlines.h" |
| #include "r300_texture.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, |
| }; |
| |
| enum r300_rs_col_write_type { |
| WRITE_COLOR = 0, |
| WRITE_FACE |
| }; |
| |
| 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]); |
| } |
| } |
| |
| /* Back-face colors. */ |
| for (i = 0; i < ATTR_COLOR_COUNT; i++) { |
| if (vs_outputs->bcolor[i] != ATTR_UNUSED) { |
| r300_draw_emit_attrib(r300, EMIT_4F, INTERP_LINEAR, |
| vs_outputs->bcolor[i]); |
| } |
| } |
| |
| /* 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->sprite_coord_enable & (1 << i))) { |
| 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++; |
| } |
| |
| /* WPOS. */ |
| if (r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED && gen_count < 8) { |
| DBG(r300, DBG_SWTCL, "draw_emit_attrib: WPOS, index: %i\n", |
| vs_outputs->wpos); |
| r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, |
| vs_outputs->wpos); |
| } |
| } |
| |
| /* 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 vertex_info *vinfo = &r300->vertex_info; |
| uint16_t type, swizzle; |
| enum pipe_format format; |
| unsigned i, attrib_count; |
| int* vs_output_tab = r300->stream_loc_notcl; |
| |
| 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_SWTCL, "r300: attrib count: %d\n", attrib_count); |
| for (i = 0; i < attrib_count; i++) { |
| if (vs_output_tab[i] == -1) { |
| assert(0); |
| abort(); |
| } |
| |
| format = draw_translate_vinfo_format(vinfo->attrib[i].emit); |
| |
| DBG(r300, DBG_SWTCL, |
| "r300: swtcl_vertex_psc [%i] <- %s\n", |
| vs_output_tab[i], util_format_short_name(format)); |
| |
| /* Obtain the type of data in this attribute. */ |
| type = r300_translate_vertex_data_type(format); |
| if (type == R300_INVALID_FORMAT) { |
| fprintf(stderr, "r300: Bad vertex format %s.\n", |
| util_format_short_name(format)); |
| assert(0); |
| abort(); |
| } |
| |
| type |= 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_mark_atom_dirty(r300, &r300->vertex_stream_state); |
| 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, |
| enum r300_rs_col_write_type type) |
| { |
| assert(type == WRITE_COLOR); |
| 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) | |
| 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) | |
| 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) | |
| 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, |
| enum r300_rs_col_write_type type) |
| { |
| if (type == WRITE_FACE) |
| rs->inst[id] |= R500_RS_INST_COL_CN_WRITE_BACKFACE | |
| R500_RS_INST_COL_ADDR(fp_offset); |
| else |
| 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) |
| { |
| if (swiz == SWIZ_X001) { |
| rs->ip[id] |= R500_RS_SEL_S(ptr) | |
| 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(ptr) | |
| R500_RS_SEL_T(ptr + 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(ptr) | |
| R500_RS_SEL_T(ptr + 1) | |
| R500_RS_SEL_R(ptr + 2) | |
| R500_RS_SEL_Q(ptr + 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 is responsible for linking vertex |
| * and fragment shaders and stuffed texture coordinates. |
| * |
| * The rasterizer reads data from VAP, which produces vertex shader outputs, |
| * and GA, which produces stuffed texture coordinates. VAP outputs have |
| * precedence over GA. All outputs must be rasterized otherwise it locks up. |
| * If there are more outputs rasterized than is set in VAP/GA, it locks up |
| * too. The funky part is that this info has been pretty much obtained by trial |
| * and error. */ |
| static void r300_update_rs_block(struct r300_context *r300) |
| { |
| struct r300_vertex_shader *vs = r300->vs_state.state; |
| struct r300_shader_semantics *vs_outputs = &vs->outputs; |
| struct r300_shader_semantics *fs_inputs = &r300_fs(r300)->shader->inputs; |
| struct r300_rs_block rs = {0}; |
| int i, col_count = 0, tex_count = 0, fp_offset = 0, count, loc = 0, tex_ptr = 0; |
| 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, enum r300_rs_col_write_type); |
| 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; |
| int *stream_loc_notcl = r300->stream_loc_notcl; |
| uint32_t stuffing_enable = 0; |
| |
| 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; |
| } |
| |
| /* 0x5555 copied from classic, which means: |
| * Select user color 0 for COLOR0 up to COLOR7. |
| * What the hell does that mean? */ |
| rs.vap_vtx_state_cntl = 0x5555; |
| |
| /* The position is always present in VAP. */ |
| rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_POS; |
| rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT; |
| stream_loc_notcl[loc++] = 0; |
| |
| /* Set up the point size in VAP. */ |
| if (vs_outputs->psize != ATTR_UNUSED) { |
| rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT; |
| stream_loc_notcl[loc++] = 1; |
| } |
| |
| /* Set up and 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) { |
| /* Set up the color in VAP. */ |
| rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR; |
| rs.vap_out_vtx_fmt[0] |= |
| R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i; |
| stream_loc_notcl[loc++] = 2 + i; |
| |
| /* Rasterize it. */ |
| rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW); |
| |
| /* Write it to the FS input register if it's needed by the FS. */ |
| if (fs_inputs->color[i] != ATTR_UNUSED) { |
| rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_COLOR); |
| 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); |
| } |
| } |
| } |
| |
| /* Set up back-face colors. The rasterizer will do the color selection |
| * automatically. */ |
| if (any_bcolor_used) { |
| if (r300->two_sided_color) { |
| /* Rasterize as back-face colors. */ |
| for (i = 0; i < ATTR_COLOR_COUNT; i++) { |
| rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR; |
| rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << (2+i); |
| stream_loc_notcl[loc++] = 4 + i; |
| } |
| } else { |
| /* Rasterize two fake texcoords to prevent from the two-sided color |
| * selection. */ |
| /* XXX Consider recompiling the vertex shader to save 2 RS units. */ |
| for (i = 0; i < 2; i++) { |
| rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count); |
| rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count)); |
| stream_loc_notcl[loc++] = 6 + tex_count; |
| |
| /* Rasterize it. */ |
| rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_XYZW); |
| tex_count++; |
| tex_ptr += 4; |
| } |
| } |
| } |
| |
| /* gl_FrontFacing. |
| * Note that we can use either the two-sided color selection based on |
| * the front and back vertex shader colors, or gl_FrontFacing, |
| * but not both! It locks up otherwise. |
| * |
| * In Direct3D 9, the two-sided color selection can be used |
| * with shaders 2.0 only, while gl_FrontFacing can be used |
| * with shaders 3.0 only. The hardware apparently hasn't been designed |
| * to support both at the same time. */ |
| if (r300->screen->caps.is_r500 && fs_inputs->face != ATTR_UNUSED && |
| !(any_bcolor_used && r300->two_sided_color)) { |
| rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW); |
| rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_FACE); |
| fp_offset++; |
| col_count++; |
| DBG(r300, DBG_RS, "r300: Rasterized FACE written to FS.\n"); |
| } else if (fs_inputs->face != ATTR_UNUSED) { |
| fprintf(stderr, "r300: ERROR: FS input FACE unassigned.\n"); |
| } |
| |
| /* Rasterize texture coordinates. */ |
| for (i = 0; i < ATTR_GENERIC_COUNT && tex_count < 8; i++) { |
| boolean sprite_coord = false; |
| |
| if (fs_inputs->generic[i] != ATTR_UNUSED) { |
| sprite_coord = !!(r300->sprite_coord_enable & (1 << i)); |
| } |
| |
| if (vs_outputs->generic[i] != ATTR_UNUSED || sprite_coord) { |
| if (!sprite_coord) { |
| /* Set up the texture coordinates in VAP. */ |
| rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count); |
| rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count)); |
| stream_loc_notcl[loc++] = 6 + tex_count; |
| } else |
| stuffing_enable |= |
| R300_GB_TEX_ST << (R300_GB_TEX0_SOURCE_SHIFT + (tex_count*2)); |
| |
| /* Rasterize it. */ |
| rX00_rs_tex(&rs, tex_count, tex_ptr, |
| sprite_coord ? SWIZ_XY01 : SWIZ_XYZW); |
| |
| /* Write it to the FS input register if it's needed 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 in texcoord %d.\n", |
| i, sprite_coord ? " (sprite coord)" : "", tex_count); |
| } else { |
| DBG(r300, DBG_RS, |
| "r300: Rasterized generic %i unused%s.\n", |
| i, sprite_coord ? " (sprite coord)" : ""); |
| } |
| tex_count++; |
| tex_ptr += sprite_coord ? 2 : 4; |
| } 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)" : ""); |
| } |
| } |
| } |
| |
| for (; i < ATTR_GENERIC_COUNT; i++) { |
| if (fs_inputs->generic[i] != ATTR_UNUSED) { |
| fprintf(stderr, "r300: ERROR: FS input generic %i unassigned, " |
| "not enough hardware slots (it's not a bug, do not " |
| "report it).\n", i); |
| } |
| } |
| |
| /* Rasterize fog coordinates. */ |
| if (vs_outputs->fog != ATTR_UNUSED && tex_count < 8) { |
| /* Set up the fog coordinates in VAP. */ |
| rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count); |
| rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count)); |
| stream_loc_notcl[loc++] = 6 + tex_count; |
| |
| /* Rasterize it. */ |
| rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_X001); |
| |
| /* Write it to the FS input register if it's needed 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++; |
| tex_ptr += 4; |
| } 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++; |
| |
| if (tex_count < 8) { |
| DBG(r300, DBG_RS, "r300: FS input fog unassigned.\n"); |
| } else { |
| fprintf(stderr, "r300: ERROR: FS input fog unassigned, " |
| "not enough hardware slots. (it's not a bug, " |
| "do not report it)\n"); |
| } |
| } |
| } |
| |
| /* Rasterize WPOS. */ |
| /* Don't set it in VAP if the FS doesn't need it. */ |
| if (fs_inputs->wpos != ATTR_UNUSED && tex_count < 8) { |
| /* Set up the WPOS coordinates in VAP. */ |
| rs.vap_vsm_vtx_assm |= (R300_INPUT_CNTL_TC0 << tex_count); |
| rs.vap_out_vtx_fmt[1] |= (4 << (3 * tex_count)); |
| stream_loc_notcl[loc++] = 6 + tex_count; |
| |
| /* Rasterize it. */ |
| rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_XYZW); |
| |
| /* Write it to the FS input register. */ |
| rX00_rs_tex_write(&rs, tex_count, fp_offset); |
| |
| DBG(r300, DBG_RS, "r300: Rasterized WPOS written to FS.\n"); |
| |
| fp_offset++; |
| tex_count++; |
| tex_ptr += 4; |
| } else { |
| if (fs_inputs->wpos != ATTR_UNUSED && tex_count >= 8) { |
| fprintf(stderr, "r300: ERROR: FS input WPOS unassigned, " |
| "not enough hardware slots. (it's not a bug, do not " |
| "report it)\n"); |
| } |
| } |
| |
| /* Invalidate the rest of the no-TCL (GA) stream locations. */ |
| for (; loc < 16;) { |
| stream_loc_notcl[loc++] = -1; |
| } |
| |
| /* 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 = MIN2(tex_ptr, 32) | (col_count << R300_IC_COUNT_SHIFT) | |
| R300_HIRES_EN; |
| |
| count = MAX3(col_count, tex_count, 1); |
| rs.inst_count = count - 1; |
| |
| /* set the GB enable flags */ |
| if (r300->sprite_coord_enable) |
| stuffing_enable |= R300_GB_POINT_STUFF_ENABLE; |
| |
| rs.gb_enable = stuffing_enable; |
| |
| /* 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 = 13 + count*2; |
| } |
| } |
| |
| static void rgba_to_bgra(float color[4]) |
| { |
| float x = color[0]; |
| color[0] = color[2]; |
| color[2] = x; |
| } |
| |
| static uint32_t r300_get_border_color(enum pipe_format format, |
| const float border[4], |
| boolean is_r500) |
| { |
| const struct util_format_description *desc; |
| float border_swizzled[4] = {0}; |
| union util_color uc = {0}; |
| |
| desc = util_format_description(format); |
| |
| /* Do depth formats first. */ |
| if (util_format_is_depth_or_stencil(format)) { |
| switch (format) { |
| case PIPE_FORMAT_Z16_UNORM: |
| return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]); |
| case PIPE_FORMAT_X8Z24_UNORM: |
| case PIPE_FORMAT_S8_UINT_Z24_UNORM: |
| if (is_r500) { |
| return util_pack_z(PIPE_FORMAT_X8Z24_UNORM, border[0]); |
| } else { |
| return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]) << 16; |
| } |
| default: |
| assert(0); |
| return 0; |
| } |
| } |
| |
| /* Apply inverse swizzle of the format. */ |
| util_format_unswizzle_4f(border_swizzled, border, desc->swizzle); |
| |
| /* Compressed formats. */ |
| if (util_format_is_compressed(format)) { |
| switch (format) { |
| case PIPE_FORMAT_RGTC1_SNORM: |
| case PIPE_FORMAT_LATC1_SNORM: |
| border_swizzled[0] = border_swizzled[0] < 0 ? |
| border_swizzled[0]*0.5+1 : |
| border_swizzled[0]*0.5; |
| /* Pass through. */ |
| |
| case PIPE_FORMAT_RGTC1_UNORM: |
| case PIPE_FORMAT_LATC1_UNORM: |
| /* Add 1/32 to round the border color instead of truncating. */ |
| /* The Y component is used for the border color. */ |
| border_swizzled[1] = border_swizzled[0] + 1.0f/32; |
| util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc); |
| return uc.ui; |
| case PIPE_FORMAT_RGTC2_SNORM: |
| case PIPE_FORMAT_LATC2_SNORM: |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc); |
| return uc.ui; |
| case PIPE_FORMAT_RGTC2_UNORM: |
| case PIPE_FORMAT_LATC2_UNORM: |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc); |
| return uc.ui; |
| case PIPE_FORMAT_DXT1_SRGB: |
| case PIPE_FORMAT_DXT1_SRGBA: |
| case PIPE_FORMAT_DXT3_SRGBA: |
| case PIPE_FORMAT_DXT5_SRGBA: |
| util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_SRGB, &uc); |
| return uc.ui; |
| default: |
| util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_UNORM, &uc); |
| return uc.ui; |
| } |
| } |
| |
| switch (desc->channel[0].size) { |
| case 2: |
| rgba_to_bgra(border_swizzled); |
| util_pack_color(border_swizzled, PIPE_FORMAT_B2G3R3_UNORM, &uc); |
| break; |
| |
| case 4: |
| rgba_to_bgra(border_swizzled); |
| util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc); |
| break; |
| |
| case 5: |
| rgba_to_bgra(border_swizzled); |
| if (desc->channel[1].size == 5) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_B5G5R5A1_UNORM, &uc); |
| } else if (desc->channel[1].size == 6) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_B5G6R5_UNORM, &uc); |
| } else { |
| assert(0); |
| } |
| break; |
| |
| default: |
| case 8: |
| if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc); |
| } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { |
| if (desc->nr_channels == 2) { |
| border_swizzled[3] = border_swizzled[1]; |
| util_pack_color(border_swizzled, PIPE_FORMAT_L8A8_SRGB, &uc); |
| } else { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SRGB, &uc); |
| } |
| } else { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc); |
| } |
| break; |
| |
| case 10: |
| util_pack_color(border_swizzled, PIPE_FORMAT_R10G10B10A2_UNORM, &uc); |
| break; |
| |
| case 16: |
| if (desc->nr_channels <= 2) { |
| if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_FLOAT, &uc); |
| } else if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_SNORM, &uc); |
| } else { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R16G16_UNORM, &uc); |
| } |
| } else { |
| if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc); |
| } else { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc); |
| } |
| } |
| break; |
| |
| case 32: |
| if (desc->nr_channels == 1) { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R32_FLOAT, &uc); |
| } else { |
| util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc); |
| } |
| break; |
| } |
| |
| return uc.ui; |
| } |
| |
| 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_resource *tex; |
| unsigned base_level, min_level, level_count, i, j, size; |
| unsigned count = MIN2(state->sampler_view_count, |
| state->sampler_state_count); |
| boolean has_us_format = r300->screen->caps.has_us_format; |
| |
| /* The KIL opcode fix, see below. */ |
| if (!count && !r300->screen->caps.is_r500) |
| count = 1; |
| |
| 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_resource(view->base.texture); |
| sampler = state->sampler_states[i]; |
| |
| texstate = &state->regs[i]; |
| texstate->format = view->format; |
| texstate->filter0 = sampler->filter0; |
| texstate->filter1 = sampler->filter1; |
| |
| /* Set the border color. */ |
| texstate->border_color = |
| r300_get_border_color(view->base.format, |
| sampler->state.border_color.f, |
| r300->screen->caps.is_r500); |
| |
| /* determine min/max levels */ |
| base_level = view->base.u.tex.first_level; |
| min_level = sampler->min_lod; |
| level_count = MIN3(sampler->max_lod, |
| tex->b.b.last_level - base_level, |
| view->base.u.tex.last_level - base_level); |
| |
| if (base_level + min_level) { |
| unsigned offset; |
| |
| if (tex->tex.is_npot) { |
| /* Even though we do not implement mipmapping for NPOT |
| * textures, we should at least honor the minimum level |
| * which is allowed to be displayed. We do this by setting up |
| * an i-th mipmap level as the zero level. */ |
| base_level += min_level; |
| } |
| offset = tex->tex.offset_in_bytes[base_level]; |
| |
| r300_texture_setup_format_state(r300->screen, tex, |
| view->base.format, |
| base_level, |
| view->width0_override, |
| view->height0_override, |
| &texstate->format); |
| texstate->format.tile_config |= offset & 0xffffffe0; |
| assert((offset & 0x1f) == 0); |
| } |
| |
| /* Assign a texture cache region. */ |
| texstate->format.format1 |= view->texcache_region; |
| |
| /* Depth textures are kinda special. */ |
| if (util_format_is_depth_or_stencil(view->base.format)) { |
| unsigned char depth_swizzle[4]; |
| |
| if (!r300->screen->caps.is_r500 && |
| util_format_get_blocksizebits(view->base.format) == 32) { |
| /* X24x8 is sampled as Y16X16 on r3xx-r4xx. |
| * The depth here is at the Y component. */ |
| for (j = 0; j < 4; j++) |
| depth_swizzle[j] = UTIL_FORMAT_SWIZZLE_Y; |
| } else { |
| for (j = 0; j < 4; j++) |
| depth_swizzle[j] = UTIL_FORMAT_SWIZZLE_X; |
| } |
| |
| /* If compare mode is disabled, sampler view swizzles |
| * are stored in the format. |
| * Otherwise, the swizzles must be applied after the compare |
| * mode in the fragment shader. */ |
| if (sampler->state.compare_mode == PIPE_TEX_COMPARE_NONE) { |
| texstate->format.format1 |= |
| r300_get_swizzle_combined(depth_swizzle, |
| view->swizzle, FALSE); |
| } else { |
| texstate->format.format1 |= |
| r300_get_swizzle_combined(depth_swizzle, 0, FALSE); |
| } |
| } |
| |
| if (r300->screen->caps.dxtc_swizzle && |
| util_format_is_compressed(view->base.format)) { |
| texstate->filter1 |= R400_DXTC_SWIZZLE_ENABLE; |
| } |
| |
| /* 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); |
| } |
| |
| /* The hardware doesn't like CLAMP and CLAMP_TO_BORDER |
| * for the 3rd coordinate if the texture isn't 3D. */ |
| if (tex->b.b.target != PIPE_TEXTURE_3D) { |
| texstate->filter0 &= ~R300_TX_WRAP_R_MASK; |
| } |
| |
| if (tex->tex.is_npot) { |
| /* 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 { |
| /* the MAX_MIP level is the largest (finest) one */ |
| texstate->format.format0 |= R300_TX_NUM_LEVELS(level_count); |
| texstate->filter0 |= R300_TX_MAX_MIP_LEVEL(min_level); |
| } |
| |
| /* Float textures only support nearest and mip-nearest filtering. */ |
| if (util_format_is_float(view->base.format)) { |
| /* No MAG linear filtering. */ |
| if ((texstate->filter0 & R300_TX_MAG_FILTER_MASK) == |
| R300_TX_MAG_FILTER_LINEAR) { |
| texstate->filter0 &= ~R300_TX_MAG_FILTER_MASK; |
| texstate->filter0 |= R300_TX_MAG_FILTER_NEAREST; |
| } |
| /* No MIN linear filtering. */ |
| if ((texstate->filter0 & R300_TX_MIN_FILTER_MASK) == |
| R300_TX_MIN_FILTER_LINEAR) { |
| texstate->filter0 &= ~R300_TX_MIN_FILTER_MASK; |
| texstate->filter0 |= R300_TX_MIN_FILTER_NEAREST; |
| } |
| /* No mipmap linear filtering. */ |
| if ((texstate->filter0 & R300_TX_MIN_FILTER_MIP_MASK) == |
| R300_TX_MIN_FILTER_MIP_LINEAR) { |
| texstate->filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK; |
| texstate->filter0 |= R300_TX_MIN_FILTER_MIP_NEAREST; |
| } |
| /* No anisotropic filtering. */ |
| texstate->filter0 &= ~R300_TX_MAX_ANISO_MASK; |
| texstate->filter1 &= ~R500_TX_MAX_ANISO_MASK; |
| texstate->filter1 &= ~R500_TX_ANISO_HIGH_QUALITY; |
| } |
| |
| texstate->filter0 |= i << 28; |
| |
| size += 16 + (has_us_format ? 2 : 0); |
| state->count = i+1; |
| } else { |
| /* For the KIL opcode to work on r3xx-r4xx, the texture unit |
| * assigned to this opcode (it's always the first one) must be |
| * enabled. Otherwise the opcode doesn't work. |
| * |
| * In order to not depend on the fragment shader, we just make |
| * the first unit enabled all the time. */ |
| if (i == 0 && !r300->screen->caps.is_r500) { |
| pipe_sampler_view_reference( |
| (struct pipe_sampler_view**)&state->sampler_views[i], |
| &r300->texkill_sampler->base); |
| |
| state->tx_enable |= 1 << i; |
| |
| texstate = &state->regs[i]; |
| |
| /* Just set some valid state. */ |
| texstate->format = r300->texkill_sampler->format; |
| texstate->filter0 = |
| r300_translate_tex_filters(PIPE_TEX_FILTER_NEAREST, |
| PIPE_TEX_FILTER_NEAREST, |
| PIPE_TEX_FILTER_NEAREST, |
| FALSE); |
| texstate->filter1 = 0; |
| texstate->border_color = 0; |
| |
| texstate->filter0 |= i << 28; |
| size += 16 + (has_us_format ? 2 : 0); |
| 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 or some other external state. */ |
| if (count && |
| r300->fs_status == FRAGMENT_SHADER_VALID) { |
| r300->fs_status = FRAGMENT_SHADER_MAYBE_DIRTY; |
| } |
| } |
| |
| static void r300_decompress_depth_textures(struct r300_context *r300) |
| { |
| struct r300_textures_state *state = |
| (struct r300_textures_state*)r300->textures_state.state; |
| struct pipe_resource *tex; |
| unsigned count = MIN2(state->sampler_view_count, |
| state->sampler_state_count); |
| unsigned i; |
| |
| if (!r300->locked_zbuffer) { |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { |
| if (state->sampler_views[i] && state->sampler_states[i]) { |
| tex = state->sampler_views[i]->base.texture; |
| |
| if (tex == r300->locked_zbuffer->texture) { |
| r300_decompress_zmask_locked(r300); |
| return; |
| } |
| } |
| } |
| } |
| |
| static void r300_validate_fragment_shader(struct r300_context *r300) |
| { |
| struct pipe_framebuffer_state *fb = r300->fb_state.state; |
| |
| if (r300->fs.state && r300->fs_status != FRAGMENT_SHADER_VALID) { |
| /* Pick the fragment shader based on external states. |
| * Then mark the state dirty if the fragment shader is either dirty |
| * or the function r300_pick_fragment_shader changed the shader. */ |
| if (r300_pick_fragment_shader(r300) || |
| r300->fs_status == FRAGMENT_SHADER_DIRTY) { |
| /* Mark the state atom as dirty. */ |
| r300_mark_fs_code_dirty(r300); |
| |
| /* Does Multiwrite need to be changed? */ |
| if (fb->nr_cbufs > 1) { |
| boolean new_multiwrite = |
| r300_fragment_shader_writes_all(r300_fs(r300)); |
| |
| if (r300->fb_multiwrite != new_multiwrite) { |
| r300->fb_multiwrite = new_multiwrite; |
| r300_mark_fb_state_dirty(r300, R300_CHANGED_MULTIWRITE); |
| } |
| } |
| } |
| r300->fs_status = FRAGMENT_SHADER_VALID; |
| } |
| } |
| |
| void r300_update_derived_state(struct r300_context* r300) |
| { |
| if (r300->textures_state.dirty) { |
| r300_decompress_depth_textures(r300); |
| r300_merge_textures_and_samplers(r300); |
| } |
| |
| r300_validate_fragment_shader(r300); |
| |
| if (r300->rs_block_state.dirty) { |
| r300_update_rs_block(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); |
| } |
