diff options
| -rw-r--r-- | src/gallium/drivers/svga/svga_tgsi_emit.h | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/svga/svga_tgsi_insn.c | 70 |
2 files changed, 59 insertions, 13 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi_emit.h b/src/gallium/drivers/svga/svga_tgsi_emit.h index 2557824293e..a546065f19f 100644 --- a/src/gallium/drivers/svga/svga_tgsi_emit.h +++ b/src/gallium/drivers/svga/svga_tgsi_emit.h @@ -79,6 +79,8 @@ struct svga_shader_emitter int ps30_input_count; + int dynamic_branching_level; + boolean in_main_func; boolean created_zero_immediate; diff --git a/src/gallium/drivers/svga/svga_tgsi_insn.c b/src/gallium/drivers/svga/svga_tgsi_insn.c index 41dd1fdd330..0a72354af8e 100644 --- a/src/gallium/drivers/svga/svga_tgsi_insn.c +++ b/src/gallium/drivers/svga/svga_tgsi_insn.c @@ -660,6 +660,8 @@ static boolean emit_if(struct svga_shader_emitter *emit, if_token.control = SVGA3DOPCOMPC_NE; zero = scalar(zero, TGSI_SWIZZLE_X); + emit->dynamic_branching_level++; + return (emit_instruction( emit, if_token ) && emit_src( emit, src ) && emit_src( emit, zero ) ); @@ -668,6 +670,8 @@ static boolean emit_if(struct svga_shader_emitter *emit, static boolean emit_endif(struct svga_shader_emitter *emit, const struct tgsi_full_instruction *insn) { + emit->dynamic_branching_level--; + return (emit_instruction( emit, inst_token( SVGA3DOP_ENDIF ))); } @@ -1169,9 +1173,10 @@ static boolean emit_tex2(struct svga_shader_emitter *emit, SVGA3dShaderDestToken dst ) { SVGA3dShaderInstToken inst; - struct src_register src0; - struct src_register src1; - + struct src_register texcoord; + struct src_register sampler; + SVGA3dShaderDestToken tmp; + inst.value = 0; inst.op = SVGA3DOP_TEX; @@ -1189,21 +1194,51 @@ static boolean emit_tex2(struct svga_shader_emitter *emit, return FALSE; } - src0 = translate_src_register( emit, &insn->Src[0] ); - src1 = translate_src_register( emit, &insn->Src[1] ); + texcoord = translate_src_register( emit, &insn->Src[0] ); + sampler = translate_src_register( emit, &insn->Src[1] ); - if (emit->key.fkey.tex[src1.base.num].unnormalized) { - struct src_register wh = get_tex_dimensions( emit, src1.base.num ); - SVGA3dShaderDestToken tmp = get_temp( emit ); + if (emit->key.fkey.tex[sampler.base.num].unnormalized || + emit->dynamic_branching_level > 0) + tmp = get_temp( emit ); + + /* Can't do mipmapping inside dynamic branch constructs. Force LOD + * zero in that case. + */ + if (emit->dynamic_branching_level > 0) { + struct src_register zero = get_zero_immediate( emit ); + + /* MOV tmp, texcoord */ + if (!submit_op1( emit, + inst_token( SVGA3DOP_MOV ), + tmp, + texcoord )) + return FALSE; + + /* MOV tmp.w, zero */ + if (!submit_op1( emit, + inst_token( SVGA3DOP_MOV ), + writemask( tmp, TGSI_WRITEMASK_W ), + scalar( zero, TGSI_SWIZZLE_X ))) + return FALSE; + + texcoord = src( tmp ); + inst.op = SVGA3DOP_TEXLDL; + } + + /* Explicit normalization of texcoords: + */ + if (emit->key.fkey.tex[sampler.base.num].unnormalized) { + struct src_register wh = get_tex_dimensions( emit, sampler.base.num ); /* MUL tmp, SRC0, WH */ if (!submit_op2( emit, inst_token( SVGA3DOP_MUL ), - tmp, src0, wh )) + tmp, texcoord, wh )) return FALSE; - src0 = src( tmp ); + + texcoord = src( tmp ); } - return submit_op2( emit, inst, dst, src0, src1 ); + return submit_op2( emit, inst, dst, texcoord, sampler ); } @@ -1224,10 +1259,10 @@ static boolean emit_tex3(struct svga_shader_emitter *emit, switch (insn->Instruction.Opcode) { case TGSI_OPCODE_TXD: - inst.op = SVGA3DOP_TEXLDD; + inst.op = SVGA3DOP_TEXLDD; /* 4 args! */ break; case TGSI_OPCODE_TXL: - inst.op = SVGA3DOP_TEXLDL; + inst.op = SVGA3DOP_TEXLDL; /* 2 args! */ break; } @@ -1330,6 +1365,8 @@ static boolean emit_bgnloop2( struct svga_shader_emitter *emit, struct src_register loop_reg = src_register( SVGA3DREG_LOOP, 0 ); struct src_register const_int = get_loop_const( emit ); + emit->dynamic_branching_level++; + return (emit_instruction( emit, inst ) && emit_src( emit, loop_reg ) && emit_src( emit, const_int ) ); @@ -1339,6 +1376,9 @@ static boolean emit_endloop2( struct svga_shader_emitter *emit, const struct tgsi_full_instruction *insn ) { SVGA3dShaderInstToken inst = inst_token( SVGA3DOP_ENDLOOP ); + + emit->dynamic_branching_level--; + return emit_instruction( emit, inst ); } @@ -2496,6 +2536,8 @@ needs_to_create_zero( struct svga_shader_emitter *emit ) } if (emit->info.opcode_count[TGSI_OPCODE_IF] >= 1 || + emit->info.opcode_count[TGSI_OPCODE_BGNLOOP] >= 1 || + emit->info.opcode_count[TGSI_OPCODE_BGNFOR] >= 1 || emit->info.opcode_count[TGSI_OPCODE_SGE] >= 1 || emit->info.opcode_count[TGSI_OPCODE_SGT] >= 1 || emit->info.opcode_count[TGSI_OPCODE_SLE] >= 1 || @@ -2722,6 +2764,8 @@ boolean svga_shader_emit_instructions( struct svga_shader_emitter *emit, goto done; } + assert(emit->dynamic_branching_level == 0); + /* Need to terminate the whole shader: */ ret = emit_instruction( emit, inst_token( SVGA3DOP_END ) ); |