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 | 65 |
2 files changed, 39 insertions, 28 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi_emit.h b/src/gallium/drivers/svga/svga_tgsi_emit.h index e8f75485d55..48eced2ecea 100644 --- a/src/gallium/drivers/svga/svga_tgsi_emit.h +++ b/src/gallium/drivers/svga/svga_tgsi_emit.h @@ -138,6 +138,7 @@ static INLINE boolean emit_dst( struct svga_shader_emitter *emit, SVGA3dShaderDestToken dest ) { assert(dest.reserved0); + assert(dest.mask); return svga_shader_emit_dword( emit, dest.value ); } @@ -267,6 +268,7 @@ static INLINE SVGA3dShaderDestToken writemask( SVGA3dShaderDestToken dest, unsigned mask ) { + assert(dest.mask & mask); dest.mask &= mask; return dest; } diff --git a/src/gallium/drivers/svga/svga_tgsi_insn.c b/src/gallium/drivers/svga/svga_tgsi_insn.c index 87aed39f78f..9b1b5507cb8 100644 --- a/src/gallium/drivers/svga/svga_tgsi_insn.c +++ b/src/gallium/drivers/svga/svga_tgsi_insn.c @@ -112,6 +112,7 @@ translate_dst_register( struct svga_shader_emitter *emit, } dest.mask = reg->Register.WriteMask; + assert(dest.mask); if (insn->Instruction.Saturate) dest.dstMod = SVGA3DDSTMOD_SATURATE; @@ -1410,34 +1411,42 @@ static boolean emit_tex(struct svga_shader_emitter *emit, if (compare) { - SVGA3dShaderDestToken src0_zdivw = get_temp( emit ); - struct src_register tex_src_x = scalar(src(tex_result), TGSI_SWIZZLE_Y); - struct src_register one = - scalar( get_zero_immediate( emit ), TGSI_SWIZZLE_W ); - - /* Divide texcoord R by Q */ - if (!submit_op1( emit, inst_token( SVGA3DOP_RCP ), - src0_zdivw, - scalar(src0, TGSI_SWIZZLE_W) )) - return FALSE; + if (dst.mask & TGSI_WRITEMASK_XYZ) { + SVGA3dShaderDestToken src0_zdivw = get_temp( emit ); + struct src_register tex_src_x = scalar(src(tex_result), TGSI_SWIZZLE_Y); + + /* Divide texcoord R by Q */ + if (!submit_op1( emit, inst_token( SVGA3DOP_RCP ), + src0_zdivw, + scalar(src0, TGSI_SWIZZLE_W) )) + return FALSE; - if (!submit_op2( emit, inst_token( SVGA3DOP_MUL ), - src0_zdivw, - scalar(src0, TGSI_SWIZZLE_Z), - src(src0_zdivw) )) - return FALSE; + if (!submit_op2( emit, inst_token( SVGA3DOP_MUL ), + src0_zdivw, + scalar(src0, TGSI_SWIZZLE_Z), + src(src0_zdivw) )) + return FALSE; - if (!emit_select( - emit, - emit->key.fkey.tex[src1.base.num].compare_func, - dst, - src(src0_zdivw), - tex_src_x)) - return FALSE; + if (!emit_select( + emit, + emit->key.fkey.tex[src1.base.num].compare_func, + writemask( dst, TGSI_WRITEMASK_XYZ ), + src(src0_zdivw), + tex_src_x)) + return FALSE; + } - return submit_op1( emit, inst_token( SVGA3DOP_MOV ), - writemask( dst, TGSI_WRITEMASK_W), - one ); + if (dst.mask & TGSI_WRITEMASK_W) { + struct src_register one = + scalar( get_zero_immediate( emit ), TGSI_SWIZZLE_W ); + + if (!submit_op1( emit, inst_token( SVGA3DOP_MOV ), + writemask( dst, TGSI_WRITEMASK_W ), + one )) + return FALSE; + } + + return TRUE; } else if (!emit->use_sm30 && dst.mask != TGSI_WRITEMASK_XYZW) { @@ -1827,13 +1836,13 @@ static boolean emit_exp(struct svga_shader_emitter *emit, */ if (dst.mask & TGSI_WRITEMASK_X) { if (!submit_op2( emit, inst_token( SVGA3DOP_ADD ), - writemask( dst, dst.mask & TGSI_WRITEMASK_X ), + writemask( dst, TGSI_WRITEMASK_X ), src0, scalar( negate( src( fraction ) ), TGSI_SWIZZLE_Y ) ) ) return FALSE; if (!submit_op1( emit, inst_token( SVGA3DOP_EXP ), - writemask( dst, dst.mask & TGSI_WRITEMASK_X ), + writemask( dst, TGSI_WRITEMASK_X ), scalar( src( dst ), TGSI_SWIZZLE_X ) ) ) return FALSE; @@ -1845,7 +1854,7 @@ static boolean emit_exp(struct svga_shader_emitter *emit, */ if (dst.mask & TGSI_WRITEMASK_Z) { if (!submit_op1( emit, inst_token( SVGA3DOP_EXPP ), - writemask( dst, dst.mask & TGSI_WRITEMASK_Z ), + writemask( dst, TGSI_WRITEMASK_Z ), src0 ) ) return FALSE; } |