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This header file may change from version to ; version without notice, or even be removed. ; ; We mean it. ; ARM PRESERVE8 INCLUDE qdrawhelper_armv6_rvct.inc ;----------------------------------------------------------------------------- ; qt_blend_rgb32_on_rgb32_arm ; ; @brief ; ; @param dest Destination pixels (r0) ; @param dbpl Destination bytes per line (r1) ; @param src Source pixels (r2) ; @param sbpl Source bytes per line (r3) ; @param w Width (s0 -> r4) ; @param h Height (s1 -> r5) ; @param const_alpha Constant alpha (s2 -> r6) ; ;--------------------------------------------------------------------------- qt_blend_rgb32_on_rgb32_armv6 Function stmfd sp!, {r4-r12, r14} ; read arguments off the stack add r8, sp, #10 * 4 ldmia r8, {r9-r11} ; Reorganize registers mov r4, r10 mov r5, r1 mov r6, r3 mov r1, r2 mov r2, r9 mov r3, r11 ; Now we have registers ; @param dest Destination pixels (r0) ; @param src Source pixels (r1) ; @param w Width (r2) ; @param const_alpha Constant alpha (r3) ; @param h Height (r4) ; @param dbpl Destination bytes per line (r5) ; @param sbpl Source bytes per line (r6) cmp r3, #256 ; test if we have fully opaque constant alpha value bne rgb32_blend_const_alpha ; branch if not rgb32_blend_loop subs r4, r4, #1 bmi rgb32_blend_exit ; while(h--) rgb321 PixCpySafe r0, r1, r2 add r0, r0, r5 ; dest = dest + dbpl add r1, r1, r6 ; src = src + sbpl b rgb32_blend_loop rgb32_blend_const_alpha ;ldr r14, =ComponentHalf ; load 0x800080 to r14 mov r14, #0x800000 add r14, r14, #0x80 sub r3, r3, #1 ; const_alpha -= 1; rgb32_blend_loop_const_alpha subs r4, r4, #1 bmi rgb32_blend_exit ; while(h--) rgb322 BlendRowSafe PixelSourceOverConstAlpha add r0, r0, r5 ; dest = dest + dbpl add r1, r1, r6 ; src = src + sbpl b rgb32_blend_loop_const_alpha rgb32_blend_exit ldmfd sp!, {r4-r12, pc} ; pop and return ;----------------------------------------------------------------------------- ; qt_blend_argb32_on_argb32_arm ; ; @brief ; ; @param dest Destination pixels (r0) ; @param dbpl Destination bytes per line (r1) ; @param src Source pixels (r2) ; @param sbpl Source bytes per line (r3) ; @param w Width (s0 -> r4) ; @param h Height (s1 -> r5) ; @param const_alpha Constant alpha (s2 -> r6) ; ;--------------------------------------------------------------------------- qt_blend_argb32_on_argb32_armv6 Function stmfd sp!, {r4-r12, r14} ; read arguments off the stack add r8, sp, #10 * 4 ldmia r8, {r9-r11} ; Reorganize registers mov r4, r10 mov r5, r1 mov r6, r3 mov r1, r2 mov r2, r9 mov r3, r11 ; Now we have registers ; @param dest Destination pixels (r0) ; @param src Source pixels (r1) ; @param w Width (r2) ; @param const_alpha Constant alpha (r3) ; @param h Height (r4) ; @param dbpl Destination bytes per line (r5) ; @param sbpl Source bytes per line (r6) ;ldr r14, =ComponentHalf ; load 0x800080 to r14 mov r14, #0x800000 add r14, r14, #0x80 cmp r3, #256 ; test if we have fully opaque constant alpha value bne argb32_blend_const_alpha ; branch if not argb32_blend_loop subs r4, r4, #1 bmi argb32_blend_exit ; while(h--) argb321 BlendRowSafe PixelSourceOver add r0, r0, r5 ; dest = dest + dbpl add r1, r1, r6 ; src = src + sbpl b argb32_blend_loop argb32_blend_const_alpha sub r3, r3, #1 ; const_alpha -= 1; argb32_blend_loop_const_alpha subs r4, r4, #1 bmi argb32_blend_exit ; while(h--) argb322 BlendRowSafe PixelSourceOverConstAlpha add r0, r0, r5 ; dest = dest + dbpl add r1, r1, r6 ; src = src + sbpl b argb32_blend_loop_const_alpha argb32_blend_exit ldmfd sp!, {r4-r12, pc} ; pop and return END ; File end