mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-12-25 02:31:50 +01:00
minor optimizations
This commit is contained in:
dborth
parent
9e0bff0219
commit
0e5d796a44
@ -54,9 +54,9 @@ uint32_t* Metaphrasis::convertBufferToI4(uint32_t* rgbaBuffer, uint16_t bufferWi
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uint32_t *src = (uint32_t *)rgbaBuffer;
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uint8_t *dst = (uint8_t *)dataBufferI4;
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for(uint16_t y = 0; y < bufferHeight; y += 8) {
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for(uint16_t x = 0; x < bufferWidth; x += 8) {
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for(uint16_t rows = 0; rows < 8; rows++) {
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for(uint32_t y = 0; y < bufferHeight; y += 8) {
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for(uint32_t x = 0; x < bufferWidth; x += 8) {
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for(uint32_t rows = 0; rows < 8; rows++) {
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*dst++ = (src[((y + rows) * bufferWidth) + (x + 0)] & 0xf0) | ((src[((y + rows) * bufferWidth) + (x + 1)] & 0xf0) >> 4);
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*dst++ = (src[((y + rows) * bufferWidth) + (x + 2)] & 0xf0) | ((src[((y + rows) * bufferWidth) + (x + 3)] & 0xf0) >> 4);
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*dst++ = (src[((y + rows) * bufferWidth) + (x + 4)] & 0xf0) | ((src[((y + rows) * bufferWidth) + (x + 5)] & 0xf0) >> 4);
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@ -88,17 +88,19 @@ uint32_t* Metaphrasis::convertBufferToI8(uint32_t* rgbaBuffer, uint16_t bufferWi
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uint32_t *src = (uint32_t *)rgbaBuffer;
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uint8_t *dst = (uint8_t *)dataBufferI8;
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for(uint16_t y = 0; y < bufferHeight; y += 4) {
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for(uint16_t x = 0; x < bufferWidth; x += 8) {
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for(uint16_t rows = 0; rows < 4; rows++) {
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*dst++ = src[((y + rows) * bufferWidth) + (x + 0)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 1)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 2)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 3)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 4)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 5)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 6)] & 0xff;
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*dst++ = src[((y + rows) * bufferWidth) + (x + 7)] & 0xff;
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for(uint32_t rows = 0; rows < 4; rows++) {
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for(uint32_t y = 0; y < bufferHeight; y += 4) {
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uint32_t bufWid = ((y + rows) * bufferWidth);
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for(uint32_t x = 0; x < bufferWidth; x += 8) {
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*dst++ = src[bufWid + (x + 0)] & 0xff;
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*dst++ = src[bufWid + (x + 1)] & 0xff;
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*dst++ = src[bufWid + (x + 2)] & 0xff;
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*dst++ = src[bufWid + (x + 3)] & 0xff;
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*dst++ = src[bufWid + (x + 4)] & 0xff;
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*dst++ = src[bufWid + (x + 5)] & 0xff;
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*dst++ = src[bufWid + (x + 6)] & 0xff;
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*dst++ = src[bufWid + (x + 7)] & 0xff;
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}
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}
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}
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@ -117,11 +119,8 @@ uint32_t* Metaphrasis::convertBufferToI8(uint32_t* rgbaBuffer, uint16_t bufferWi
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*/
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uint8_t Metaphrasis::convertRGBAToIA4(uint32_t rgba) {
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uint8_t i, a;
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i = (rgba >> 8) & 0xf0;
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a = (rgba ) & 0xff;
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uint8_t i = (rgba >> 8) & 0xf0;
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uint8_t a = (rgba ) & 0xff;
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return i | (a >> 4);
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}
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@ -144,9 +143,9 @@ uint32_t* Metaphrasis::convertBufferToIA4(uint32_t* rgbaBuffer, uint16_t bufferW
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uint32_t *src = (uint32_t *)rgbaBuffer;
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uint8_t *dst = (uint8_t *)dataBufferIA4;
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for(uint16_t y = 0; y < bufferHeight; y += 4) {
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for(uint16_t x = 0; x < bufferWidth; x += 8) {
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for(uint16_t rows = 0; rows < 4; rows++) {
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for(uint32_t y = 0; y < bufferHeight; y += 4) {
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for(uint32_t x = 0; x < bufferWidth; x += 8) {
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for(uint32_t rows = 0; rows < 4; rows++) {
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*dst++ = Metaphrasis::convertRGBAToIA4(src[((y + rows) * bufferWidth) + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToIA4(src[((y + rows) * bufferWidth) + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToIA4(src[((y + rows) * bufferWidth) + (x + 2)]);
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@ -173,12 +172,7 @@ uint32_t* Metaphrasis::convertBufferToIA4(uint32_t* rgbaBuffer, uint16_t bufferW
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*/
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uint16_t Metaphrasis::convertRGBAToIA8(uint32_t rgba) {
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uint8_t i, a;
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i = (rgba >> 8) & 0xff;
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a = (rgba ) & 0xff;
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return (i << 8) | a;
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return (((rgba >> 8) & 0xff) << 8) | ((rgba ) & 0xff);
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}
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/**
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@ -200,13 +194,15 @@ uint32_t* Metaphrasis::convertBufferToIA8(uint32_t* rgbaBuffer, uint16_t bufferW
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uint32_t *src = (uint32_t *)rgbaBuffer;
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uint16_t *dst = (uint16_t *)dataBufferIA8;
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for(uint16_t y = 0; y < bufferHeight; y += 4) {
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for(uint16_t x = 0; x < bufferWidth; x += 4) {
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for(uint16_t rows = 0; rows < 4; rows++) {
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*dst++ = Metaphrasis::convertRGBAToIA8(src[((y + rows) * bufferWidth) + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToIA8(src[((y + rows) * bufferWidth) + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToIA8(src[((y + rows) * bufferWidth) + (x + 2)]);
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*dst++ = Metaphrasis::convertRGBAToIA8(src[((y + rows) * bufferWidth) + (x + 3)]);
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for(uint32_t rows = 0; rows < 4; ++rows) {
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for(uint32_t y = 0; y < bufferHeight; y += 4) {
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uint32_t bufWid = ((y + rows) * bufferWidth);
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for(uint32_t x = 0; x < bufferWidth; x += 4) {
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*dst++ = Metaphrasis::convertRGBAToIA8(src[bufWid + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToIA8(src[bufWid + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToIA8(src[bufWid + (x + 2)]);
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*dst++ = Metaphrasis::convertRGBAToIA8(src[bufWid + (x + 3)]);
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}
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}
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}
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@ -234,19 +230,31 @@ uint32_t* Metaphrasis::convertBufferToRGBA8(uint32_t* rgbaBuffer, uint16_t buffe
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uint8_t *src = (uint8_t *)rgbaBuffer;
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uint8_t *dst = (uint8_t *)dataBufferRGBA8;
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for(uint16_t block = 0; block < bufferHeight; block += 4) {
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for(uint16_t i = 0; i < bufferWidth; i += 4) {
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for (uint16_t c = 0; c < 4; c++) {
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for (uint16_t ar = 0; ar < 4; ar++) {
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*dst++ = src[(((i + ar) + ((block + c) * bufferWidth)) * 4) + 3];
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*dst++ = src[((i + ar) + ((block + c) * bufferWidth)) * 4];
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}
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}
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for (uint16_t c = 0; c < 4; c++) {
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for (uint16_t gb = 0; gb < 4; gb++) {
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*dst++ = src[(((i + gb) + ((block + c) * bufferWidth)) * 4) + 1];
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*dst++ = src[(((i + gb) + ((block + c) * bufferWidth)) * 4) + 2];
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for(uint32_t block = 0; block < bufferHeight; block += 4) {
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for(uint32_t i = 0; i < bufferWidth; i += 4) {
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for (uint32_t c = 0; c < 4; c++) {
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uint32_t blockWid = (((block + c) * bufferWidth)+i)<<2 ;
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*dst++ = src[blockWid+ 3]; // ar = 0
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*dst++ = src[blockWid+ 0];
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*dst++ = src[blockWid+ 7]; // ar = 1
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*dst++ = src[blockWid+ 4];
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*dst++ = src[blockWid+ 11]; // ar = 2
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*dst++ = src[blockWid+ 8];
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*dst++ = src[blockWid+ 15]; // ar = 3
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*dst++ = src[blockWid+ 12];
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}
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for (uint32_t c = 0; c < 4; c++) {
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uint32_t blockWid = (((block + c) * bufferWidth)+i)<<2 ;
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*dst++ = src[blockWid+ 1]; // gb = 0
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*dst++ = src[blockWid+ 2];
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*dst++ = src[blockWid+ 5]; // gb = 1
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*dst++ = src[blockWid+ 6];
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*dst++ = src[blockWid+ 9]; // gb = 2
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*dst++ = src[blockWid+ 10];
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*dst++ = src[blockWid+ 13]; // gb = 3
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*dst++ = src[blockWid+ 14];
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}
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}
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}
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@ -266,12 +274,9 @@ uint32_t* Metaphrasis::convertBufferToRGBA8(uint32_t* rgbaBuffer, uint16_t buffe
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*/
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uint16_t Metaphrasis::convertRGBAToRGB565(uint32_t rgba) {
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uint8_t r, g, b;
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r = (((rgba >> 24) & 0xff) * 31) / 255;
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g = (((rgba >> 16) & 0xff) * 63) / 255;
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b = (((rgba >> 8) & 0xff) * 31) / 255;
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uint8_t r = (((rgba >> 24) & 0xff) * 31) / 255;
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uint8_t g = (((rgba >> 16) & 0xff) * 63) / 255;
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uint8_t b = (((rgba >> 8) & 0xff) * 31) / 255;
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return (((r << 6) | g ) << 5 ) | b;
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}
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@ -294,13 +299,14 @@ uint32_t* Metaphrasis::convertBufferToRGB565(uint32_t* rgbaBuffer, uint16_t buff
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uint32_t *src = (uint32_t *)rgbaBuffer;
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uint16_t *dst = (uint16_t *)dataBufferRGB565;
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for(uint16_t y = 0; y < bufferHeight; y += 4) {
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for(uint16_t x = 0; x < bufferWidth; x += 4) {
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for(uint16_t rows = 0; rows < 4; rows++) {
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[((y + rows) * bufferWidth) + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[((y + rows) * bufferWidth) + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[((y + rows) * bufferWidth) + (x + 2)]);
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[((y + rows) * bufferWidth) + (x + 3)]);
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for(uint32_t rows = 0; rows < 4; rows++) {
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for(uint32_t y = 0; y < bufferHeight; y += 4) {
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uint32_t bufWid = ((y + rows) * bufferWidth);
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for(uint32_t x = 0; x < bufferWidth; x += 4) {
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[bufWid + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[bufWid + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[bufWid + (x + 2)]);
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*dst++ = Metaphrasis::convertRGBAToRGB565(src[bufWid + (x + 3)]);
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}
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}
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}
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@ -320,31 +326,28 @@ uint32_t* Metaphrasis::convertBufferToRGB565(uint32_t* rgbaBuffer, uint16_t buff
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*/
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uint16_t Metaphrasis::convertRGBAToRGB5A3(uint32_t rgba) {
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uint32_t r, g, b, a;
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uint32_t r = (rgba >> 24) & 0xff;
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uint32_t g = (rgba >> 16) & 0xff;
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uint32_t b = (rgba >> 8) & 0xff;
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uint32_t a = (rgba ) & 0xff;
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uint16_t color;
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r = (rgba >> 24) & 0xff;
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g = (rgba >> 16) & 0xff;
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b = (rgba >> 8) & 0xff;
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a = (rgba ) & 0xff;
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// No predictive misses, faster shifting
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if (a > 0xe0) {
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r = r >> 3;
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g = g >> 3;
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b = b >> 3;
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r >>= 3;
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g >>= 3;
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b >>= 3;
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color = (r << 10) | (g << 5) | b;
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color |= 0x8000;
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return color;
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}
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else {
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r = r >> 4;
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g = g >> 4;
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b = b >> 4;
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a = a >> 5;
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r >>= 4;
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g >>= 4;
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b >>= 4;
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a >>= 5;
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color = (a << 12) | (r << 8) | (g << 4) | b;
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}
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return color;
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}
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@ -367,13 +370,14 @@ uint32_t* Metaphrasis::convertBufferToRGB5A3(uint32_t* rgbaBuffer, uint16_t buff
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uint32_t *src = (uint32_t *)rgbaBuffer;
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uint16_t *dst = (uint16_t *)dataBufferRGB5A3;
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for(uint16_t y = 0; y < bufferHeight; y += 4) {
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for(uint16_t x = 0; x < bufferWidth; x += 4) {
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for(uint16_t rows = 0; rows < 4; rows++) {
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[((y + rows) * bufferWidth) + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[((y + rows) * bufferWidth) + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[((y + rows) * bufferWidth) + (x + 2)]);
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[((y + rows) * bufferWidth) + (x + 3)]);
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for(uint32_t rows = 0; rows < 4; rows++) {
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for(uint32_t y = 0; y < bufferHeight; y += 4) {
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uint32_t bufWid = ((y + rows) * bufferWidth);
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for(uint32_t x = 0; x < bufferWidth; x += 4) {
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[bufWid + (x + 0)]);
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[bufWid + (x + 1)]);
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[bufWid + (x + 2)]);
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*dst++ = Metaphrasis::convertRGBAToRGB5A3(src[bufWid + (x + 3)]);
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}
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}
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}
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@ -303,7 +303,7 @@ copy_to_xfb (u32 arg)
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GX_Flush ();
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copynow = GX_FALSE;
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}
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FrameTimer++;
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++FrameTimer;
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}
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/****************************************************************************
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@ -972,8 +972,9 @@ void Menu_DrawImg(f32 xpos, f32 ypos, u16 width, u16 height, u8 data[],
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GX_SetVtxDesc (GX_VA_TEX0, GX_DIRECT);
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Mtx m,m1,m2, mv;
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width *=.5;
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height*=.5;
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width >>= 1;
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height >>= 1;
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guMtxIdentity (m1);
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guMtxScaleApply(m1,m1,scaleX,scaleY,1.0);
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guVector axis = (guVector) {0 , 0, 1 };
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@ -1014,26 +1015,20 @@ void Menu_DrawImg(f32 xpos, f32 ypos, u16 width, u16 height, u8 data[],
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***************************************************************************/
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void Menu_DrawRectangle(f32 x, f32 y, f32 width, f32 height, GXColor color, u8 filled)
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{
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u8 fmt;
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long n;
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int i;
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long n = 4;
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f32 x2 = x+width;
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f32 y2 = y+height;
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guVector v[] = {{x,y,0.0f}, {x2,y,0.0f}, {x2,y2,0.0f}, {x,y2,0.0f}, {x,y,0.0f}};
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u8 fmt = GX_TRIANGLEFAN;
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if(!filled)
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{
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fmt = GX_LINESTRIP;
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n = 5;
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}
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else
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{
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fmt = GX_TRIANGLEFAN;
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n = 4;
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}
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GX_Begin(fmt, GX_VTXFMT0, n);
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for(i=0; i<n; i++)
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for(long i=0; i<n; ++i)
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{
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GX_Position3f32(v[i].x, v[i].y, v[i].z);
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GX_Color4u8(color.r, color.g, color.b, color.a);
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