diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 109 | ||||
-rw-r--r-- | src/gallium/drivers/cell/spu/spu_funcs.c | 51 | ||||
-rw-r--r-- | src/gallium/drivers/cell/spu/spu_tri.c | 2 |
3 files changed, 138 insertions, 24 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index 5647bb23e60..c8125a8a052 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -226,6 +226,11 @@ get_src_reg(struct codegen *gen, spe_lqd(gen->f, reg, gen->constants_reg, offset * 16); } break; + case TGSI_FILE_SAMPLER: + { + reg = 3; /* XXX total hack */ + } + break; default: assert(0); } @@ -1162,6 +1167,21 @@ print_functions(struct cell_context *cell) #endif +static uint +lookup_function(struct cell_context *cell, const char *funcname) +{ + const struct cell_spu_function_info *funcs = &cell->spu_functions; + uint i, addr = 0; + for (i = 0; i < funcs->num; i++) { + if (strcmp(funcs->names[i], funcname) == 0) { + addr = funcs->addrs[i]; + } + } + assert(addr && "spu function not found"); + return addr / 4; /* discard 2 least significant bits */ +} + + /** * Emit code to call a SPU function. * Used to implement instructions like SIN/COS/POW/TEX/etc. @@ -1171,27 +1191,12 @@ emit_function_call(struct codegen *gen, const struct tgsi_full_instruction *inst, char *funcname, uint num_args) { - const struct cell_spu_function_info *funcs = &gen->cell->spu_functions; + const uint addr = lookup_function(gen->cell, funcname); char comment[100]; - uint addr; int ch; assert(num_args <= 3); - /* lookup function address */ - { - uint i; - addr = 0; - for (i = 0; i < funcs->num; i++) { - if (strcmp(funcs->names[i], funcname) == 0) { - addr = funcs->addrs[i]; - } - } - assert(addr && "spu function not found"); - } - - addr /= 4; /* discard 2 least significant bits */ - snprintf(comment, sizeof(comment), "CALL %s:", funcname); spe_comment(gen->f, -4, comment); @@ -1245,6 +1250,72 @@ emit_function_call(struct codegen *gen, } +static boolean +emit_TXP(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + const uint addr = lookup_function(gen->cell, "spu_txp"); + int ch; + int coord_regs[4], d_regs[4]; + + spe_comment(gen->f, -4, "CALL txp:"); + + /* get src/dst reg info */ + for (ch = 0; ch < 4; ch++) { + coord_regs[ch] = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]); + d_regs[ch] = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + } + + { + ubyte usedRegs[SPE_NUM_REGS]; + uint i, numUsed; + + numUsed = spe_get_registers_used(gen->f, usedRegs); + assert(numUsed < gen->frame_size / 16 - 32); + + /* save registers to stack */ + for (i = 0; i < numUsed; i++) { + uint reg = usedRegs[i]; + int offset = 2 + i; + spe_stqd(gen->f, reg, SPE_REG_SP, 16 * offset); + } + + /* setup function arguments */ + for (i = 0; i < 4; i++) { + spe_move(gen->f, 3 + i, coord_regs[i]); + } + + /* branch to function, save return addr */ + spe_brasl(gen->f, SPE_REG_RA, addr); + + /* save function's return values (four pixel's colors) */ + for (i = 0; i < 4; i++) { + spe_move(gen->f, d_regs[i], 3 + i); + } + + /* restore registers from stack */ + for (i = 0; i < numUsed; i++) { + uint reg = usedRegs[i]; + if (reg != d_regs[0] && + reg != d_regs[1] && + reg != d_regs[2] && + reg != d_regs[3]) { + int offset = 2 + i; + spe_lqd(gen->f, reg, SPE_REG_SP, 16 * offset); + } + } + } + + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + store_dest_reg(gen, d_regs[ch], ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return TRUE; +} + + /** * Emit max. See emit_SGT for comments. */ @@ -1483,6 +1554,12 @@ emit_instruction(struct codegen *gen, return emit_function_call(gen, inst, "spu_exp2", 1); case TGSI_OPCODE_LOGBASE2: return emit_function_call(gen, inst, "spu_log2", 1); + case TGSI_OPCODE_TEX: + /* fall-through for now */ + case TGSI_OPCODE_TXD: + /* fall-through for now */ + case TGSI_OPCODE_TXP: + return emit_TXP(gen, inst); case TGSI_OPCODE_IF: return emit_IF(gen, inst); diff --git a/src/gallium/drivers/cell/spu/spu_funcs.c b/src/gallium/drivers/cell/spu/spu_funcs.c index 1adf9de0e8d..c7bcb3de9dd 100644 --- a/src/gallium/drivers/cell/spu/spu_funcs.c +++ b/src/gallium/drivers/cell/spu/spu_funcs.c @@ -38,12 +38,20 @@ #include <math.h> #include <cos14_v.h> #include <sin14_v.h> +#include <transpose_matrix4x4.h> #include "cell/common.h" #include "spu_main.h" #include "spu_funcs.h" +/** For "return"-ing four vectors */ +struct vec_4x4 +{ + vector float v[4]; +}; + + static vector float spu_cos(vector float x) { @@ -92,16 +100,44 @@ spu_log2(vector float x) return spu_mul(v, k); } +static struct vec_4x4 +spu_txp(vector float s, vector float t, vector float r, vector float q) +{ + const uint unit = 0; + struct vec_4x4 colors; + vector float coords[4]; + + coords[0] = s; + coords[1] = t; + coords[2] = r; + coords[3] = q; + _transpose_matrix4x4(coords, coords); + + /* get four texture samples */ + colors.v[0] = spu.sample_texture[unit](unit, coords[0]); + colors.v[1] = spu.sample_texture[unit](unit, coords[1]); + colors.v[2] = spu.sample_texture[unit](unit, coords[2]); + colors.v[3] = spu.sample_texture[unit](unit, coords[3]); + + _transpose_matrix4x4(colors.v, colors.v); + return colors; +} + +/** + * Add named function to list of "exported" functions that will be + * made available to the PPU-hosted code generator. + */ static void -add_func(struct cell_spu_function_info *spu_functions, - const char *name, void *addr) +export_func(struct cell_spu_function_info *spu_functions, + const char *name, void *addr) { uint n = spu_functions->num; ASSERT(strlen(name) < 16); strcpy(spu_functions->names[n], name); spu_functions->addrs[n] = (uint) addr; spu_functions->num++; + ASSERT(spu_functions->num <= 16); } @@ -119,11 +155,12 @@ return_function_info(void) ASSERT(sizeof(funcs) == 256); /* must be multiple of 16 bytes */ funcs.num = 0; - add_func(&funcs, "spu_cos", &spu_cos); - add_func(&funcs, "spu_sin", &spu_sin); - add_func(&funcs, "spu_pow", &spu_pow); - add_func(&funcs, "spu_exp2", &spu_exp2); - add_func(&funcs, "spu_log2", &spu_log2); + export_func(&funcs, "spu_cos", &spu_cos); + export_func(&funcs, "spu_sin", &spu_sin); + export_func(&funcs, "spu_pow", &spu_pow); + export_func(&funcs, "spu_exp2", &spu_exp2); + export_func(&funcs, "spu_log2", &spu_log2); + export_func(&funcs, "spu_txp", &spu_txp); /* Send the function info back to the PPU / main memory */ mfc_put((void *) &funcs, /* src in local store */ diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c index 6039cd80b24..87991c31368 100644 --- a/src/gallium/drivers/cell/spu/spu_tri.c +++ b/src/gallium/drivers/cell/spu/spu_tri.c @@ -286,7 +286,7 @@ emit_quad( int x, int y, mask_t mask) spu.cur_ctile_status = TILE_STATUS_DIRTY; spu.cur_ztile_status = TILE_STATUS_DIRTY; - if (spu.texture[0].start) { + if (0/*spu.texture[0].start*/) { /* * Temporary texture mapping path * This will go away when fragment programs support TEX inst. |