diff options
Diffstat (limited to 'engines/sci/gfx/alpha_mvi_crossblit.cpp')
| -rw-r--r-- | engines/sci/gfx/alpha_mvi_crossblit.cpp | 413 |
1 files changed, 206 insertions, 207 deletions
diff --git a/engines/sci/gfx/alpha_mvi_crossblit.cpp b/engines/sci/gfx/alpha_mvi_crossblit.cpp index 6a1e238c2b..f39561a1c0 100644 --- a/engines/sci/gfx/alpha_mvi_crossblit.cpp +++ b/engines/sci/gfx/alpha_mvi_crossblit.cpp @@ -41,13 +41,12 @@ void FUNCT_NAME(byte *dest, byte *src, int bytes_per_dest_line, int bytes_per_src_line, - int xl, int yl, byte *alpha, int bytes_per_alpha_line, int bytes_per_alpha_pixel, - unsigned int alpha_test_mask, int alpha_shift + int xl, int yl, byte *alpha, int bytes_per_alpha_line, int bytes_per_alpha_pixel, + unsigned int alpha_test_mask, int alpha_shift #ifdef PRIORITY - ,byte *priority_pos ,int bytes_per_priority_line, int bytes_per_priority_pixel, int priority + , byte *priority_pos , int bytes_per_priority_line, int bytes_per_priority_pixel, int priority #endif - ) -{ + ) { #ifdef USE_C_CODE #ifdef PRIORITY int left_mask = (255 << (((unsigned long) dest) & 7)) & 255; @@ -68,8 +67,8 @@ FUNCT_NAME(byte *dest, byte *src, int bytes_per_dest_line, int bytes_per_src_lin #ifdef PRIORITY byte *pri_next = priority_pos + bytes_per_priority_line; #endif - asm ("ldl $31, 0($31)\n\t" - "ldl $31, 0($31)\n\t"); /* Prefetch memory for next line */ + asm("ldl $31, 0($31)\n\t" + "ldl $31, 0($31)\n\t"); /* Prefetch memory for next line */ if (((unsigned long)src) & 4) data = *((unsigned int *) src); @@ -133,227 +132,227 @@ FUNCT_NAME(byte *dest, byte *src, int bytes_per_dest_line, int bytes_per_src_lin #ifdef PRIORITY assert(!(bytes_per_alpha_line & 7)); assert(bytes_per_alpha_pixel < 2); - real_alpha_shift |= (unsigned long) (priority << 16) | ((unsigned long) bytes_per_priority_pixel << 32); + real_alpha_shift |= (unsigned long)(priority << 16) | ((unsigned long) bytes_per_priority_pixel << 32); /* Work around gcc design bug allowing only 10 asm parameters */ #endif - __asm__ __volatile__ ( + __asm__ __volatile__( #ifdef PRIORITY - /* - ** dest: $16 - ** src: $17 - ** bytes_per_dest_line: $18 - ** bytes_per_src_line: $19 - ** xl : $20 - ** yl : $21 - ** alpha_test_mask: $24 - ** alpha_shift: $25 - ** 255: $8 - ** - ** bytes_per_priority_line: $9 - ** priority_pos: $10 - ** priority extended to 8 bytes: $7 - ** bytes_per_priority_pixel: $6 - ** - ** temp_priority_collection: $11 - ** priority_pos backup: $12 - ** left border mask: $13 - ** right border mask: $28 - ** priority test bit: $15 - ** ldq4priority result: $26 - */ - - "lda $30, -88($30) \n\t" - "stq $9, 0($30) \n\t" - "stq $10, 8($30) \n\t" - "stq $11, 16($30) \n\t" - "stq $12, 24($30) \n\t" - "stq $13, 32($30) \n\t" - "stq $15, 40($30) \n\t" - "stq $26, 48($30) \n\t" - "stq %8, 56($30) \n\t" - "stq %9, 64($30) \n\t" - "stq $7, 72($30) \n\t" - "stq $6, 80($30) \n\t" - - "mov %8, $9 \n\t" - "mov %9, $10 \n\t" + /* + ** dest: $16 + ** src: $17 + ** bytes_per_dest_line: $18 + ** bytes_per_src_line: $19 + ** xl : $20 + ** yl : $21 + ** alpha_test_mask: $24 + ** alpha_shift: $25 + ** 255: $8 + ** + ** bytes_per_priority_line: $9 + ** priority_pos: $10 + ** priority extended to 8 bytes: $7 + ** bytes_per_priority_pixel: $6 + ** + ** temp_priority_collection: $11 + ** priority_pos backup: $12 + ** left border mask: $13 + ** right border mask: $28 + ** priority test bit: $15 + ** ldq4priority result: $26 + */ + + "lda $30, -88($30) \n\t" + "stq $9, 0($30) \n\t" + "stq $10, 8($30) \n\t" + "stq $11, 16($30) \n\t" + "stq $12, 24($30) \n\t" + "stq $13, 32($30) \n\t" + "stq $15, 40($30) \n\t" + "stq $26, 48($30) \n\t" + "stq %8, 56($30) \n\t" + "stq %9, 64($30) \n\t" + "stq $7, 72($30) \n\t" + "stq $6, 80($30) \n\t" + + "mov %8, $9 \n\t" + "mov %9, $10 \n\t" #endif - "mov %6, $24 \n\t" - "mov %7, $25 \n\t" - "mov 255, $8 \n\t" - "subl $21, 1, $21 \n\t" + "mov %6, $24 \n\t" + "mov %7, $25 \n\t" + "mov 255, $8 \n\t" + "subl $21, 1, $21 \n\t" #ifdef PRIORITY - /* Defrobnicate real_alpha_shift data */ - "srl $25, 32, $6 \n\t" - "srl $25, 16, $7 \n\t" - "and $7, $8, $7 \n\t" - - /* Load first priority data quad */ - "andnot $10, 7, $0 \n\t" - "ldq $26, 0($0) \n\t" /* Load priority */ - "and $10, 7, $13 \n\t" - "sll $13, 3, $0 \n\t" - - /* Calculate right border mask */ - "addl $13, $20, $28\n\t" - "and $28, 7, $28 \n\t" - "beq $28, 7f \n\t" - "mov 8, $0 \n\t" - "subl $0, $28, $28 \n" - "7:\n\t" - "srl $8, $28, $28 \n\t" - /* Left border mask */ - "sll $8, $13, $13 \n\t" - "and $13, $8, $13 \n\t" - - "mov $10, $12 \n\t" - - "sll $7, 8, $0 \n\t" - "or $7, $0, $7 \n\t" - "sll $7, 16, $0 \n\t" - "or $7, $0, $7 \n\t" - "sll $7, 32, $0 \n\t" - "or $7, $0, $7 \n\t" - "cmpbge $7, $26, $3 \n\t" - - "and $10, 7, $0 \n\t" /* Init priority bitptr */ - "mov 1, $15 \n\t" /* .. */ - "sll $15, $0, $15 \n\t" /* .. */ - - /* -> Priority buffer */ - "and $3, $13, $11 \n\t" - "cmplt $20, 8, $0 \n\t" - "beq $0, 6f \n\t" - "and $11, $28, $11 \n\t" - "6:\n\t" + /* Defrobnicate real_alpha_shift data */ + "srl $25, 32, $6 \n\t" + "srl $25, 16, $7 \n\t" + "and $7, $8, $7 \n\t" + + /* Load first priority data quad */ + "andnot $10, 7, $0 \n\t" + "ldq $26, 0($0) \n\t" /* Load priority */ + "and $10, 7, $13 \n\t" + "sll $13, 3, $0 \n\t" + + /* Calculate right border mask */ + "addl $13, $20, $28\n\t" + "and $28, 7, $28 \n\t" + "beq $28, 7f \n\t" + "mov 8, $0 \n\t" + "subl $0, $28, $28 \n" + "7:\n\t" + "srl $8, $28, $28 \n\t" + /* Left border mask */ + "sll $8, $13, $13 \n\t" + "and $13, $8, $13 \n\t" + + "mov $10, $12 \n\t" + + "sll $7, 8, $0 \n\t" + "or $7, $0, $7 \n\t" + "sll $7, 16, $0 \n\t" + "or $7, $0, $7 \n\t" + "sll $7, 32, $0 \n\t" + "or $7, $0, $7 \n\t" + "cmpbge $7, $26, $3 \n\t" + + "and $10, 7, $0 \n\t" /* Init priority bitptr */ + "mov 1, $15 \n\t" /* .. */ + "sll $15, $0, $15 \n\t" /* .. */ + + /* -> Priority buffer */ + "and $3, $13, $11 \n\t" + "cmplt $20, 8, $0 \n\t" + "beq $0, 6f \n\t" + "and $11, $28, $11 \n\t" + "6:\n\t" #endif - "and $25, $8, $25 \n\t" - - /***/ - /*** Variable settings apply NOW ***/ - /***/ - - "mov $20, $1 \n\t" - "mov $16, $2 \n\t" - "mov $17, $3 \n" - "8:\n\t" - "addq $2, $18, $2 \n\t" - "ldl $31, 0($2) \n\t" /* Prefetch dest */ - "addq $3, $19, $3 \n\t" - "ldl $31, 0($3) \n" /* Prefetch src */ - "1:\n\t" - "addq $17, 4, $17 \n\t" - "beq $20, 3f \n\t" - "subl $20, 1, $20 \n\t" + "and $25, $8, $25 \n\t" + + /***/ + /*** Variable settings apply NOW ***/ + /***/ + + "mov $20, $1 \n\t" + "mov $16, $2 \n\t" + "mov $17, $3 \n" + "8:\n\t" + "addq $2, $18, $2 \n\t" + "ldl $31, 0($2) \n\t" /* Prefetch dest */ + "addq $3, $19, $3 \n\t" + "ldl $31, 0($3) \n" /* Prefetch src */ + "1:\n\t" + "addq $17, 4, $17 \n\t" + "beq $20, 3f \n\t" + "subl $20, 1, $20 \n\t" #ifdef PRIORITY - "5:\n\t" - "addq $10, 1, $10 \n\t" - "and $11, $15, $0 \n\t" /* Other priority beat our priority? */ - "beq $0, 2f \n\t" -#endif - "ldl $0, -4($17) \n\t" - "unpkbw $0, $5 \n\t" - "and $0, $24, $0 \n\t" - - "xor $0, $24, $4 \n\t" - "beq $4, 2f \n\t" - - "ldl $4, 0($16) \n\t" - "unpkbw $4, $4 \n\t" - "srl $0, $25, $0 \n\t" - "mulq $4, $0, $4 \n\t" - "subl $8, $0, $0 \n\t" - "mulq $5, $0, $5 \n\t" - "addq $4, $5, $4 \n\t" - "srl $4, 8, $4 \n\t" - "pkwb $4, $0 \n\t" - "stl $0, 0($16) \n\t" - "br 9f \n\t" - "2:\n" - "andnot $11, $15, $11 \n\t" /* Don't draw priority if we're fully transparent */ - "9:\n\t" - "addq $16, 4, $16 \n\t" + "5:\n\t" + "addq $10, 1, $10 \n\t" + "and $11, $15, $0 \n\t" /* Other priority beat our priority? */ + "beq $0, 2f \n\t" +#endif + "ldl $0, -4($17) \n\t" + "unpkbw $0, $5 \n\t" + "and $0, $24, $0 \n\t" + + "xor $0, $24, $4 \n\t" + "beq $4, 2f \n\t" + + "ldl $4, 0($16) \n\t" + "unpkbw $4, $4 \n\t" + "srl $0, $25, $0 \n\t" + "mulq $4, $0, $4 \n\t" + "subl $8, $0, $0 \n\t" + "mulq $5, $0, $5 \n\t" + "addq $4, $5, $4 \n\t" + "srl $4, 8, $4 \n\t" + "pkwb $4, $0 \n\t" + "stl $0, 0($16) \n\t" + "br 9f \n\t" + "2:\n" + "andnot $11, $15, $11 \n\t" /* Don't draw priority if we're fully transparent */ + "9:\n\t" + "addq $16, 4, $16 \n\t" #ifdef PRIORITY - "sll $15, 1, $15 \n\t" + "sll $15, 1, $15 \n\t" - "and $10, 7, $0 \n\t" /* Do we need to re-load priority mask? */ -/**/ "bne $0, 1b \n\t" + "and $10, 7, $0 \n\t" /* Do we need to re-load priority mask? */ + /**/ "bne $0, 1b \n\t" - /* Write back to priority buffer */ - "zap $26, $11, $26 \n\t" - "zapnot $7, $11, $0 \n\t" - "or $0, $26, $0 \n\t" - "stq $0, -8($10) \n\t" + /* Write back to priority buffer */ + "zap $26, $11, $26 \n\t" + "zapnot $7, $11, $0 \n\t" + "or $0, $26, $0 \n\t" + "stq $0, -8($10) \n\t" - "ldq $26, 0($10) \n\t" /* Load priority */ - "cmpbge $7, $26, $11\n\t" + "ldq $26, 0($10) \n\t" /* Load priority */ + "cmpbge $7, $26, $11\n\t" - "mov 1, $15 \n\t" /* Init bitcmpmask */ + "mov 1, $15 \n\t" /* Init bitcmpmask */ - "cmplt $20, 8, $0 \n\t" -/**/ "beq $0, 1b \n\t" - "and $11, $28, $11 \n\t" + "cmplt $20, 8, $0 \n\t" + /**/ "beq $0, 1b \n\t" + "and $11, $28, $11 \n\t" #endif - "br 1b \n" - "3:\n\t" + "br 1b \n" + "3:\n\t" #ifdef PRIORITY - "and $10, 7, $16 \n\t" - "beq $16, 7f \n\t" - "and $11, $28, $11 \n\t" - "zap $26, $11, $26 \n\t" - "zapnot $7, $11, $0 \n\t" - "or $0, $26, $0 \n\t" - "andnot $10, 7, $16 \n\t" - "stq $0, 0($16) \n" /* Write back */ - "7:\n\t" - - "addq $9, $12, $12 \n\t" - "mov $12, $10 \n\t" - "andnot $10, 7, $0 \n\t" - "ldq $26, 0($0) \n\t" - - "and $10, 7, $0 \n\t" - "mov 1, $15 \n\t" - "sll $15, $0, $15 \n\t" /* Store priority-induced write-enable mask */ - - "cmpbge $7, $26, $16 \n\t" - /* -> Priority buffer */ - "and $16, $13, $11 \n\t" + "and $10, 7, $16 \n\t" + "beq $16, 7f \n\t" + "and $11, $28, $11 \n\t" + "zap $26, $11, $26 \n\t" + "zapnot $7, $11, $0 \n\t" + "or $0, $26, $0 \n\t" + "andnot $10, 7, $16 \n\t" + "stq $0, 0($16) \n" /* Write back */ + "7:\n\t" + + "addq $9, $12, $12 \n\t" + "mov $12, $10 \n\t" + "andnot $10, 7, $0 \n\t" + "ldq $26, 0($0) \n\t" + + "and $10, 7, $0 \n\t" + "mov 1, $15 \n\t" + "sll $15, $0, $15 \n\t" /* Store priority-induced write-enable mask */ + + "cmpbge $7, $26, $16 \n\t" + /* -> Priority buffer */ + "and $16, $13, $11 \n\t" #endif - "beq $21, 4f \n\t" - "subl $21, 1, $21 \n\t" - "mov $1, $20 \n\t" - "mov $2, $16 \n\t" /* Set line numbers for next line */ - "mov $3, $17 \n\t" - "br 8b \n" - "4:\n\t" + "beq $21, 4f \n\t" + "subl $21, 1, $21 \n\t" + "mov $1, $20 \n\t" + "mov $2, $16 \n\t" /* Set line numbers for next line */ + "mov $3, $17 \n\t" + "br 8b \n" + "4:\n\t" #ifdef PRIORITY - "ldq $9, 0($30) \n\t" - "ldq $10, 8($30) \n\t" - "ldq $11, 16($30) \n\t" - "ldq $12, 24($30) \n\t" - "ldq $13, 32($30) \n\t" - "ldq $15, 40($30) \n\t" - "ldq $26, 48($30) \n\t" - "ldq %8, 56($30) \n\t" - "ldq %9, 64($30) \n\t" - "ldq $7, 72($30) \n\t" - "ldq $6, 80($30) \n\t" - "lda $30, 88($30) \n\t" + "ldq $9, 0($30) \n\t" + "ldq $10, 8($30) \n\t" + "ldq $11, 16($30) \n\t" + "ldq $12, 24($30) \n\t" + "ldq $13, 32($30) \n\t" + "ldq $15, 40($30) \n\t" + "ldq $26, 48($30) \n\t" + "ldq %8, 56($30) \n\t" + "ldq %9, 64($30) \n\t" + "ldq $7, 72($30) \n\t" + "ldq $6, 80($30) \n\t" + "lda $30, 88($30) \n\t" #endif - : - : - "r"(dest), "r"(src), "r"(bytes_per_dest_line), - /*3*/ "r"(bytes_per_src_line), "r"(xl), "r"(yl), - /*6*/ "r"((unsigned long) alpha_test_mask), "r"(real_alpha_shift) + : + : + "r"(dest), "r"(src), "r"(bytes_per_dest_line), + /*3*/ "r"(bytes_per_src_line), "r"(xl), "r"(yl), + /*6*/ "r"((unsigned long) alpha_test_mask), "r"(real_alpha_shift) #ifdef PRIORITY - , "r"(bytes_per_priority_line), "r"(priority_pos) + , "r"(bytes_per_priority_line), "r"(priority_pos) #endif - : "%0", "%1", "%2", "%3", "%4", "%5", "%6", - "%7", "$16", "$17", "$18", "$19", "$20", "$21", "$24", "$25", - "$8", "memory" - ); + : "%0", "%1", "%2", "%3", "%4", "%5", "%6", + "%7", "$16", "$17", "$18", "$19", "$20", "$21", "$24", "$25", + "$8", "memory" + ); #endif } |