mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-06 11:36:59 +03:00
GDS optimization
This commit is contained in:
@@ -88,11 +88,6 @@ static void Update( struct GDS_Device* Device ) {
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#endif
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}
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static void DrawPixelFast4( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + ( (Y * Device->Width >> 1) + (X >> 1));
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*FBOffset = X & 0x01 ? ((*FBOffset & 0xf0) | (Color & 0x0f)) : (*FBOffset & 0x0f) | ((Color & 0x0f) << 4);
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}
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static void SetLayout( struct GDS_Device* Device, struct GDS_Layout *Layout ) {
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if (Layout->HFlip) {
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Device->WriteCommand( Device, 0x40 + 0x20 );
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@@ -165,7 +160,6 @@ static bool Init( struct GDS_Device* Device ) {
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static const struct GDS_Device SH1122 = {
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.DisplayOn = DisplayOn, .DisplayOff = DisplayOff, .SetContrast = SetContrast,
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.DrawPixelFast = DrawPixelFast4,
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.SetLayout = SetLayout,
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.Update = Update, .Init = Init,
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.Mode = GDS_GRAYSCALE, .Depth = 4,
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@@ -109,7 +109,7 @@ void GDS_ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int y2,
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int c = x1;
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// for a row that is not on a boundary, no optimization possible
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while (r & 0x07 && r <= y2) {
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for (c = x1; c <= x2; c++) DrawPixelFast( Device, c, r, Color );
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for (c = x1; c <= x2; c++) Device->DrawPixelFast( Device, c, r, Color );
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r++;
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}
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// go fast if we have more than 8 lines to write
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@@ -117,7 +117,7 @@ void GDS_ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int y2,
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memset(optr + Width * r + x1, _Color, x2 - x1 + 1);
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r += 8;
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} else while (r <= y2) {
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for (c = x1; c <= x2; c++) DrawPixelFast( Device, c, r, Color );
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for (c = x1; c <= x2; c++) Device->DrawPixelFast( Device, c, r, Color );
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r++;
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}
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}
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@@ -133,10 +133,10 @@ void GDS_ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int y2,
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// try to do byte processing as much as possible
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for (int r = y1; r <= y2; r++) {
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int c = x1;
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if (c & 0x01) DrawPixelFast( Device, c++, r, Color);
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if (c & 0x01) Device->DrawPixelFast( Device, c++, r, Color);
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int chunk = (x2 - c + 1) >> 1;
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memset(optr + ((r * Width + c) >> 1), _Color, chunk);
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if (c + chunk <= x2) DrawPixelFast( Device, x2, r, Color);
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if (c + chunk <= x2) Device->DrawPixelFast( Device, x2, r, Color);
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}
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}
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} else if (Device->Depth == 8) {
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@@ -148,7 +148,7 @@ void GDS_ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int y2,
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} else {
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for (int y = y1; y <= y2; y++) {
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for (int x = x1; x <= x2; x++) {
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DrawPixelFast( Device, x, y, Color);
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Device->DrawPixelFast( Device, x, y, Color);
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}
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}
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}
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@@ -171,11 +171,77 @@ bool GDS_Reset( struct GDS_Device* Device ) {
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return true;
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}
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static void IRAM_ATTR DrawPixel1Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint32_t YBit = ( Y & 0x07 );
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uint8_t* FBOffset;
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/*
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* We only need to modify the Y coordinate since the pitch
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* of the screen is the same as the width.
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* Dividing Y by 8 gives us which row the pixel is in but not
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* the bit position.
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*/
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Y>>= 3;
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FBOffset = Device->Framebuffer + ( ( Y * Device->Width ) + X );
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if ( Color == GDS_COLOR_XOR ) {
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*FBOffset ^= BIT( YBit );
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} else {
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*FBOffset = ( Color == GDS_COLOR_BLACK ) ? *FBOffset & ~BIT( YBit ) : *FBOffset | BIT( YBit );
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}
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}
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static void IRAM_ATTR DrawPixel4Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + ( (Y * Device->Width >> 1) + (X >> 1));
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*FBOffset = X & 0x01 ? (*FBOffset & 0x0f) | ((Color & 0x0f) << 4) : ((*FBOffset & 0xf0) | (Color & 0x0f));
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}
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static void IRAM_ATTR DrawPixel4FastHigh( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + ( (Y * Device->Width >> 1) + (X >> 1));
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*FBOffset = X & 0x01 ? ((*FBOffset & 0xf0) | (Color & 0x0f)) : (*FBOffset & 0x0f) | ((Color & 0x0f) << 4);
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}
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static void IRAM_ATTR DrawPixel8Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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Device->Framebuffer[Y * Device->Width + X] = Color;
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}
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// assumes that Color is 16 bits R..RG..GB..B from MSB to LSB and FB wants 1st serialized byte to start with R
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static void IRAM_ATTR DrawPixel16Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint16_t* FBOffset = (uint16_t*) Device->Framebuffer + Y * Device->Width + X;
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*FBOffset = __builtin_bswap16(Color);
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}
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// assumes that Color is 18 bits RGB from MSB to LSB RRRRRRGGGGGGBBBBBB, so byte[0] is B
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// FB is 3-bytes packets and starts with R for serialization so 0,1,2 ... = xxRRRRRR xxGGGGGG xxBBBBBB
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static void IRAM_ATTR DrawPixel18Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + (Y * Device->Width + X) * 3;
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*FBOffset++ = Color >> 12; *FBOffset++ = (Color >> 6) & 0x3f; *FBOffset = Color & 0x3f;
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}
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// assumes that Color is 24 bits RGB from MSB to LSB RRRRRRRRGGGGGGGGBBBBBBBB, so byte[0] is B
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// FB is 3-bytes packets and starts with R for serialization so 0,1,2 ... = RRRRRRRR GGGGGGGG BBBBBBBB
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static void IRAM_ATTR DrawPixel24Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + (Y * Device->Width + X) * 3;
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*FBOffset++ = Color >> 16; *FBOffset++ = Color >> 8; *FBOffset = Color;
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}
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bool GDS_Init( struct GDS_Device* Device ) {
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if (Device->Depth > 8) Device->FramebufferSize = Device->Width * Device->Height * ((8 + Device->Depth - 1) / 8);
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else Device->FramebufferSize = (Device->Width * Device->Height) / (8 / Device->Depth);
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// set the proper DrawPixel function if not already set by driver
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if (!Device->DrawPixelFast) {
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if (Device->Depth == 1) Device->DrawPixelFast = DrawPixel1Fast;
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else if (Device->Depth == 4 && Device->HighNibble) Device->DrawPixelFast = DrawPixel4FastHigh;
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else if (Device->Depth == 4) Device->DrawPixelFast = DrawPixel4Fast;
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else if (Device->Depth == 8) Device->DrawPixelFast = DrawPixel8Fast;
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else if (Device->Depth == 16) Device->DrawPixelFast = DrawPixel16Fast;
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else if (Device->Depth == 24 && Device->Mode == GDS_RGB666) Device->DrawPixelFast = DrawPixel18Fast;
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else if (Device->Depth == 24 && Device->Mode == GDS_RGB888) Device->DrawPixelFast = DrawPixel24Fast;
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}
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// allocate FB unless explicitely asked not to
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if (!(Device->Alloc & GDS_ALLOC_NONE)) {
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if ((Device->Alloc & GDS_ALLOC_IRAM) || ((Device->Alloc & GDS_ALLOC_IRAM_SPI) && Device->IF == GDS_IF_SPI)) {
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@@ -45,7 +45,7 @@ __attribute__( ( always_inline ) ) static inline void SwapInt( int* a, int* b )
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}
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void IRAM_ATTR GDS_DrawPixelFast( struct GDS_Device* Device, int X, int Y, int Color ) {
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DrawPixelFast( Device, X, Y, Color );
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Device->DrawPixelFast( Device, X, Y, Color );
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}
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void IRAM_ATTR GDS_DrawPixel( struct GDS_Device* Device, int X, int Y, int Color ) {
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@@ -63,7 +63,7 @@ void GDS_DrawHLine( struct GDS_Device* Device, int x, int y, int Width, int Colo
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if (y < 0) y = 0;
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else if (y >= Device->Height) y = Device->Height - 1;
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for ( ; x < XEnd; x++ ) DrawPixelFast( Device, x, y, Color );
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for ( ; x < XEnd; x++ ) Device->DrawPixelFast( Device, x, y, Color );
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}
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void GDS_DrawVLine( struct GDS_Device* Device, int x, int y, int Height, int Color ) {
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@@ -97,7 +97,7 @@ static inline void DrawWideLine( struct GDS_Device* Device, int x0, int y0, int
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for ( ; x < x1; x++ ) {
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if ( IsPixelVisible( Device, x, y ) == true ) {
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DrawPixelFast( Device, x, y, Color );
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Device->DrawPixelFast( Device, x, y, Color );
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}
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if ( Error > 0 ) {
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@@ -126,7 +126,7 @@ static inline void DrawTallLine( struct GDS_Device* Device, int x0, int y0, int
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for ( ; y < y1; y++ ) {
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if ( IsPixelVisible( Device, x, y ) == true ) {
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DrawPixelFast( Device, x, y, Color );
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Device->DrawPixelFast( Device, x, y, Color );
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}
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if ( Error > 0 ) {
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@@ -348,14 +348,14 @@ void GDS_DrawBitmapCBR(struct GDS_Device* Device, uint8_t *Data, int Width, int
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// don't know bitdepth, use brute-force solution
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for (int i = Width * Height, r = 0, c = 0; --i >= 0;) {
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uint8_t Byte = *Data++;
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DrawPixelFast( Device, c, (r << 3) + 7, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 6, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 5, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 4, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 3, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 2, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 1, (Byte & 0x01) * Color ); Byte >>= 1;
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DrawPixelFast( Device, c, (r << 3) + 0, (Byte & 0x01) * Color );
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Device->DrawPixelFast( Device, c, (r << 3) + 7, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 6, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 5, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 4, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 3, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 2, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 1, (Byte & 0x01) * Color ); Byte >>= 1;
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Device->DrawPixelFast( Device, c, (r << 3) + 0, (Byte & 0x01) * Color );
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if (++r == Height) { c++; r = 0; }
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}
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/* for better understanding, here is the mundane version
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@@ -156,69 +156,9 @@ static inline bool IsPixelVisible( struct GDS_Device* Device, int x, int y ) {
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return Result;
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}
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static inline void DrawPixel1Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint32_t YBit = ( Y & 0x07 );
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uint8_t* FBOffset;
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/*
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* We only need to modify the Y coordinate since the pitch
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* of the screen is the same as the width.
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* Dividing Y by 8 gives us which row the pixel is in but not
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* the bit position.
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*/
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Y>>= 3;
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FBOffset = Device->Framebuffer + ( ( Y * Device->Width ) + X );
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if ( Color == GDS_COLOR_XOR ) {
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*FBOffset ^= BIT( YBit );
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} else {
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*FBOffset = ( Color == GDS_COLOR_BLACK ) ? *FBOffset & ~BIT( YBit ) : *FBOffset | BIT( YBit );
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}
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}
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static inline void DrawPixel4Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + ( (Y * Device->Width >> 1) + (X >> 1));
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*FBOffset = X & 0x01 ? (*FBOffset & 0x0f) | ((Color & 0x0f) << 4) : ((*FBOffset & 0xf0) | (Color & 0x0f));
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}
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static inline void DrawPixel8Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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Device->Framebuffer[Y * Device->Width + X] = Color;
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}
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// assumes that Color is 16 bits R..RG..GB..B from MSB to LSB and FB wants 1st serialized byte to start with R
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static inline void DrawPixel16Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint16_t* FBOffset = (uint16_t*) Device->Framebuffer + Y * Device->Width + X;
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*FBOffset = __builtin_bswap16(Color);
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}
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// assumes that Color is 18 bits RGB from MSB to LSB RRRRRRGGGGGGBBBBBB, so byte[0] is B
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// FB is 3-bytes packets and starts with R for serialization so 0,1,2 ... = xxRRRRRR xxGGGGGG xxBBBBBB
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static inline void DrawPixel18Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + (Y * Device->Width + X) * 3;
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*FBOffset++ = Color >> 12; *FBOffset++ = (Color >> 6) & 0x3f; *FBOffset = Color & 0x3f;
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}
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// assumes that Color is 24 bits RGB from MSB to LSB RRRRRRRRGGGGGGGGBBBBBBBB, so byte[0] is B
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// FB is 3-bytes packets and starts with R for serialization so 0,1,2 ... = RRRRRRRR GGGGGGGG BBBBBBBB
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static inline void DrawPixel24Fast( struct GDS_Device* Device, int X, int Y, int Color ) {
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uint8_t* FBOffset = Device->Framebuffer + (Y * Device->Width + X) * 3;
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*FBOffset++ = Color >> 16; *FBOffset++ = Color >> 8; *FBOffset = Color;
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}
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static inline void IRAM_ATTR DrawPixelFast( struct GDS_Device* Device, int X, int Y, int Color ) {
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if (Device->DrawPixelFast) Device->DrawPixelFast( Device, X, Y, Color );
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else if (Device->Depth == 4) DrawPixel4Fast( Device, X, Y, Color );
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else if (Device->Depth == 1) DrawPixel1Fast( Device, X, Y, Color );
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else if (Device->Depth == 16) DrawPixel16Fast( Device, X, Y, Color );
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else if (Device->Depth == 24 && Device->Mode == GDS_RGB666) DrawPixel18Fast( Device, X, Y, Color );
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else if (Device->Depth == 24 && Device->Mode == GDS_RGB888) DrawPixel24Fast( Device, X, Y, Color );
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else if (Device->Depth == 8) DrawPixel8Fast( Device, X, Y, Color );
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}
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static inline void IRAM_ATTR DrawPixel( struct GDS_Device* Device, int x, int y, int Color ) {
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if ( IsPixelVisible( Device, x, y ) == true ) {
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DrawPixelFast( Device, x, y, Color );
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Device->DrawPixelFast( Device, x, y, Color );
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}
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}
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@@ -108,7 +108,7 @@ bool GDS_TextLine(struct GDS_Device* Device, int N, int Pos, int Attr, char *Tex
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int Y_min = max(0, Device->Lines[N].Y), Y_max = max(0, Device->Lines[N].Y + Device->Lines[N].Font->Height);
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for (int c = (Attr & GDS_TEXT_CLEAR_EOL) ? X : 0; c < Device->TextWidth; c++)
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for (int y = Y_min; y < Y_max; y++)
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DrawPixelFast( Device, c, y, GDS_COLOR_BLACK );
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Device->DrawPixelFast( Device, c, y, GDS_COLOR_BLACK );
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}
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GDS_FontDrawString( Device, X, Device->Lines[N].Y, Text, GDS_COLOR_WHITE );
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