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- #include "uberblit_resample_special.h"
- #include "blt_spanutils.h"
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleRow_d2_p0_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(0, 0);
-
- mWidth = (mSrcWidth + 1) >> 1;
- }
-
- void VDPixmapGenResampleRow_d2_p0_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleRow_d2_p0_lin_u8::Compute(void *dst0, sint32 y) {
- const uint8 *src = (const uint8 *)mpSrc->GetRow(y, mSrcIndex);
-
- nsVDPixmapSpanUtils::horiz_compress2x_coaligned((uint8 *)dst0, src, mSrcWidth);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleRow_d4_p0_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(0, 0);
-
- mWidth = (mSrcWidth + 3) >> 2;
- }
-
- void VDPixmapGenResampleRow_d4_p0_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleRow_d4_p0_lin_u8::Compute(void *dst0, sint32 y) {
- const uint8 *src = (const uint8 *)mpSrc->GetRow(y, mSrcIndex);
-
- nsVDPixmapSpanUtils::horiz_compress4x_coaligned((uint8 *)dst0, src, mSrcWidth);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleRow_x2_p0_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(0, 0);
-
- mWidth = mSrcWidth * 2;
- }
-
- void VDPixmapGenResampleRow_x2_p0_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleRow_x2_p0_lin_u8::Compute(void *dst0, sint32 y) {
- const uint8 *src = (const uint8 *)mpSrc->GetRow(y, mSrcIndex);
-
- nsVDPixmapSpanUtils::horiz_expand2x_coaligned((uint8 *)dst0, src, mWidth);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleRow_x4_p0_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(0, 0);
-
- mWidth = mSrcWidth * 4;
- }
-
- void VDPixmapGenResampleRow_x4_p0_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleRow_x4_p0_lin_u8::Compute(void *dst0, sint32 y) {
- const uint8 *src = (const uint8 *)mpSrc->GetRow(y, mSrcIndex);
-
- nsVDPixmapSpanUtils::horiz_expand4x_coaligned((uint8 *)dst0, src, mWidth);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleCol_x2_phalf_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(-2, 2);
-
- mHeight = (mSrcHeight + 1) >> 1;
- }
-
- void VDPixmapGenResampleCol_x2_phalf_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleCol_x2_phalf_lin_u8::Compute(void *dst0, sint32 y) {
- sint32 y2 = y+y;
- const uint8 *src[4] = {
- (const uint8 *)mpSrc->GetRow(y2 > 0 ? y2-1 : 0, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y2 , mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y2+1, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y2+2, mSrcIndex)
- };
-
- nsVDPixmapSpanUtils::vert_compress2x_centered((uint8 *)dst0, src, mWidth, 0);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleCol_x4_p1half_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(-4, 4);
-
- mHeight = (mSrcHeight + 2) >> 2;
- }
-
- void VDPixmapGenResampleCol_x4_p1half_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleCol_x4_p1half_lin_u8::Compute(void *dst0, sint32 y) {
- sint32 y4 = y*4;
- const uint8 *src[8] = {
- (const uint8 *)mpSrc->GetRow(y4 > 2 ? y4-2 : 0, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4 > 1 ? y4-1 : 0, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4 , mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4+1, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4+2, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4+3, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4+4, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y4+5, mSrcIndex)
- };
-
- nsVDPixmapSpanUtils::vert_compress4x_centered((uint8 *)dst0, src, mWidth, 0);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleCol_d2_pnqrtr_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(-1, 1);
-
- mHeight = mSrcHeight * 2;
- }
-
- void VDPixmapGenResampleCol_d2_pnqrtr_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleCol_d2_pnqrtr_lin_u8::Compute(void *dst0, sint32 y) {
- sint32 y2 = (y - 1) >> 1;
- const uint8 *src[2] = {
- (const uint8 *)mpSrc->GetRow(y2, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y2+1, mSrcIndex),
- };
-
- nsVDPixmapSpanUtils::vert_expand2x_centered((uint8 *)dst0, src, mWidth, ~y << 7);
- }
-
- ///////////////////////////////////////////////////////////////////////////////
-
- void VDPixmapGenResampleCol_d4_pn38_lin_u8::Init(IVDPixmapGen *src, uint32 srcIndex) {
- InitSource(src, srcIndex);
- src->AddWindowRequest(-1, 1);
-
- mHeight = mSrcHeight * 4;
- }
-
- void VDPixmapGenResampleCol_d4_pn38_lin_u8::Start() {
- mpSrc->Start();
- StartWindow(mWidth);
- }
-
- void VDPixmapGenResampleCol_d4_pn38_lin_u8::Compute(void *dst0, sint32 y) {
- sint32 y2 = (y - 2) >> 2;
- const uint8 *src[2] = {
- (const uint8 *)mpSrc->GetRow(y2, mSrcIndex),
- (const uint8 *)mpSrc->GetRow(y2+1, mSrcIndex),
- };
-
- nsVDPixmapSpanUtils::vert_expand4x_centered((uint8 *)dst0, src, mWidth, (y - 2) << 6);
- }
-