+++ /dev/null
-/*
- * Copyright © 2008 Mozilla Corporation
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Mozilla Corporation not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Mozilla Corporation makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
- * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
- * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- *
- * Author: Jeff Muizelaar (jeff@infidigm.net)
- *
- */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "pixman-arm.h"
-
-void
-fbCompositeSrcAdd_8000x8000arm (pixman_op_t op,
- pixman_image_t * pSrc,
- pixman_image_t * pMask,
- pixman_image_t * pDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint8_t *dstLine, *dst;
- uint8_t *srcLine, *src;
- int dstStride, srcStride;
- uint16_t w;
- uint8_t s, d;
-
- fbComposeGetStart (pSrc, xSrc, ySrc, uint8_t, srcStride, srcLine, 1);
- fbComposeGetStart (pDst, xDst, yDst, uint8_t, dstStride, dstLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
- while (w && (unsigned long)dst & 3)
- {
- s = *src;
- d = *dst;
- asm("uqadd8 %0, %1, %2" : "+r"(d) : "r"(s));
- *dst = d;
-
- dst++;
- src++;
- w--;
- }
-
- while (w >= 4)
- {
- asm("uqadd8 %0, %1, %2" : "=r"(*(uint32_t*)dst) : "r"(*(uint32_t*)src), "r"(*(uint32_t*)dst));
- dst += 4;
- src += 4;
- w -= 4;
- }
-
- while (w)
- {
- s = *src;
- d = *dst;
- asm("uqadd8 %0, %1, %2" : "+r"(d) : "r"(s));
- *dst = d;
-
- dst++;
- src++;
- w--;
- }
- }
-
-}
-
-void
-fbCompositeSrc_8888x8888arm (pixman_op_t op,
- pixman_image_t * pSrc,
- pixman_image_t * pMask,
- pixman_image_t * pDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t *dstLine, *dst;
- uint32_t *srcLine, *src;
- int dstStride, srcStride;
- uint16_t w;
- uint32_t component_half = 0x800080;
- uint32_t upper_component_mask = 0xff00ff00;
- uint32_t alpha_mask = 0xff;
-
- fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
- fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
-//#define inner_branch
- asm volatile (
- "cmp %[w], #0\n\t"
- "beq 2f\n\t"
- "1:\n\t"
- /* load src */
- "ldr r5, [%[src]], #4\n\t"
-#ifdef inner_branch
- /* We can avoid doing the multiplication in two cases: 0x0 or 0xff.
- * The 0x0 case also allows us to avoid doing an unecessary data
- * write which is more valuable so we only check for that */
- "cmp r5, #0\n\t"
- "beq 3f\n\t"
-
- /* = 255 - alpha */
- "sub r8, %[alpha_mask], r5, lsr #24\n\t"
-
- "ldr r4, [%[dest]] \n\t"
-
-#else
- "ldr r4, [%[dest]] \n\t"
-
- /* = 255 - alpha */
- "sub r8, %[alpha_mask], r5, lsr #24\n\t"
-#endif
- "uxtb16 r6, r4\n\t"
- "uxtb16 r7, r4, ror #8\n\t"
-
- /* multiply by 257 and divide by 65536 */
- "mla r6, r6, r8, %[component_half]\n\t"
- "mla r7, r7, r8, %[component_half]\n\t"
-
- "uxtab16 r6, r6, r6, ror #8\n\t"
- "uxtab16 r7, r7, r7, ror #8\n\t"
-
- /* recombine the 0xff00ff00 bytes of r6 and r7 */
- "and r7, %[upper_component_mask]\n\t"
- "uxtab16 r6, r7, r6, ror #8\n\t"
-
- "uqadd8 r5, r6, r5\n\t"
-
-#ifdef inner_branch
- "3:\n\t"
-
-#endif
- "str r5, [%[dest]], #4\n\t"
- /* increment counter and jmp to top */
- "subs %[w], %[w], #1\n\t"
- "bne 1b\n\t"
- "2:\n\t"
- : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src)
- : [component_half] "r" (component_half), [upper_component_mask] "r" (upper_component_mask),
- [alpha_mask] "r" (alpha_mask)
- : "r4", "r5", "r6", "r7", "r8", "cc", "memory"
- );
- }
-}
-
-void
-fbCompositeSrc_8888x8x8888arm (pixman_op_t op,
- pixman_image_t * pSrc,
- pixman_image_t * pMask,
- pixman_image_t * pDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t *dstLine, *dst;
- uint32_t *srcLine, *src;
- uint32_t mask;
- int dstStride, srcStride;
- uint16_t w;
- uint32_t component_half = 0x800080;
- uint32_t alpha_mask = 0xff;
-
- fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
- fbComposeGetStart (pSrc, xSrc, ySrc, uint32_t, srcStride, srcLine, 1);
-
- fbComposeGetSolid (pMask, mask, pDst->bits.format);
- mask = (mask) >> 24;
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- src = srcLine;
- srcLine += srcStride;
- w = width;
-
-//#define inner_branch
- asm volatile (
- "cmp %[w], #0\n\t"
- "beq 2f\n\t"
- "1:\n\t"
- /* load src */
- "ldr r5, [%[src]], #4\n\t"
-#ifdef inner_branch
- /* We can avoid doing the multiplication in two cases: 0x0 or 0xff.
- * The 0x0 case also allows us to avoid doing an unecessary data
- * write which is more valuable so we only check for that */
- "cmp r5, #0\n\t"
- "beq 3f\n\t"
-
-#endif
- "ldr r4, [%[dest]] \n\t"
-
- "uxtb16 r6, r5\n\t"
- "uxtb16 r7, r5, ror #8\n\t"
-
- /* multiply by alpha (r8) then by 257 and divide by 65536 */
- "mla r6, r6, %[mask_alpha], %[component_half]\n\t"
- "mla r7, r7, %[mask_alpha], %[component_half]\n\t"
-
- "uxtab16 r6, r6, r6, ror #8\n\t"
- "uxtab16 r7, r7, r7, ror #8\n\t"
-
- "uxtb16 r6, r6, ror #8\n\t"
- "uxtb16 r7, r7, ror #8\n\t"
-
- /* recombine */
- "orr r5, r6, r7, lsl #8\n\t"
-
- "uxtb16 r6, r4\n\t"
- "uxtb16 r7, r4, ror #8\n\t"
-
- /* 255 - alpha */
- "sub r8, %[alpha_mask], r5, lsr #24\n\t"
-
- /* multiply by alpha (r8) then by 257 and divide by 65536 */
- "mla r6, r6, r8, %[component_half]\n\t"
- "mla r7, r7, r8, %[component_half]\n\t"
-
- "uxtab16 r6, r6, r6, ror #8\n\t"
- "uxtab16 r7, r7, r7, ror #8\n\t"
-
- "uxtb16 r6, r6, ror #8\n\t"
- "uxtb16 r7, r7, ror #8\n\t"
-
- /* recombine */
- "orr r6, r6, r7, lsl #8\n\t"
-
- "uqadd8 r5, r6, r5\n\t"
-
-#ifdef inner_branch
- "3:\n\t"
-
-#endif
- "str r5, [%[dest]], #4\n\t"
- /* increment counter and jmp to top */
- "subs %[w], %[w], #1\n\t"
- "bne 1b\n\t"
- "2:\n\t"
- : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src)
- : [component_half] "r" (component_half), [mask_alpha] "r" (mask),
- [alpha_mask] "r" (alpha_mask)
- : "r4", "r5", "r6", "r7", "r8", "r9", "cc", "memory"
- );
- }
-}
-
-void
-fbCompositeSolidMask_nx8x8888arm (pixman_op_t op,
- pixman_image_t * pSrc,
- pixman_image_t * pMask,
- pixman_image_t * pDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height)
-{
- uint32_t src, srca;
- uint32_t *dstLine, *dst;
- uint8_t *maskLine, *mask;
- int dstStride, maskStride;
- uint16_t w;
-
- fbComposeGetSolid(pSrc, src, pDst->bits.format);
-
- srca = src >> 24;
- if (src == 0)
- return;
-
- uint32_t component_mask = 0xff00ff;
- uint32_t component_half = 0x800080;
-
- uint32_t src_hi = (src >> 8) & component_mask;
- uint32_t src_lo = src & component_mask;
-
- fbComposeGetStart (pDst, xDst, yDst, uint32_t, dstStride, dstLine, 1);
- fbComposeGetStart (pMask, xMask, yMask, uint8_t, maskStride, maskLine, 1);
-
- while (height--)
- {
- dst = dstLine;
- dstLine += dstStride;
- mask = maskLine;
- maskLine += maskStride;
- w = width;
-
-//#define inner_branch
- asm volatile (
- "cmp %[w], #0\n\t"
- "beq 2f\n\t"
- "1:\n\t"
- /* load mask */
- "ldrb r5, [%[mask]], #1\n\t"
-#ifdef inner_branch
- /* We can avoid doing the multiplication in two cases: 0x0 or 0xff.
- * The 0x0 case also allows us to avoid doing an unecessary data
- * write which is more valuable so we only check for that */
- "cmp r5, #0\n\t"
- "beq 3f\n\t"
-
-#endif
- "ldr r4, [%[dest]] \n\t"
-
- /* multiply by alpha (r8) then by 257 and divide by 65536 */
- "mla r6, %[src_lo], r5, %[component_half]\n\t"
- "mla r7, %[src_hi], r5, %[component_half]\n\t"
-
- "uxtab16 r6, r6, r6, ror #8\n\t"
- "uxtab16 r7, r7, r7, ror #8\n\t"
-
- "uxtb16 r6, r6, ror #8\n\t"
- "uxtb16 r7, r7, ror #8\n\t"
-
- /* recombine */
- "orr r5, r6, r7, lsl #8\n\t"
-
- "uxtb16 r6, r4\n\t"
- "uxtb16 r7, r4, ror #8\n\t"
-
- /* we could simplify this to use 'sub' if we were
- * willing to give up a register for alpha_mask */
- "mvn r8, r5\n\t"
- "mov r8, r8, lsr #24\n\t"
-
- /* multiply by alpha (r8) then by 257 and divide by 65536 */
- "mla r6, r6, r8, %[component_half]\n\t"
- "mla r7, r7, r8, %[component_half]\n\t"
-
- "uxtab16 r6, r6, r6, ror #8\n\t"
- "uxtab16 r7, r7, r7, ror #8\n\t"
-
- "uxtb16 r6, r6, ror #8\n\t"
- "uxtb16 r7, r7, ror #8\n\t"
-
- /* recombine */
- "orr r6, r6, r7, lsl #8\n\t"
-
- "uqadd8 r5, r6, r5\n\t"
-
-#ifdef inner_branch
- "3:\n\t"
-
-#endif
- "str r5, [%[dest]], #4\n\t"
- /* increment counter and jmp to top */
- "subs %[w], %[w], #1\n\t"
- "bne 1b\n\t"
- "2:\n\t"
- : [w] "+r" (w), [dest] "+r" (dst), [src] "+r" (src), [mask] "+r" (mask)
- : [component_half] "r" (component_half),
- [src_hi] "r" (src_hi), [src_lo] "r" (src_lo)
- : "r4", "r5", "r6", "r7", "r8", "cc", "memory"
- );
- }
-}
projects / profile / ivi / pixman.git / commitdiff