85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
|
#include "graphics/tinygl/zblit.h"
|
||
|
|
#include "graphics/tinygl/zgl.h"
|
||
|
|
|
||
|
|
namespace TinyGL {
|
||
|
|
struct TinyGLBlitTexture {
|
||
|
|
public:
|
||
|
|
TinyGLBlitTexture(Graphics::PixelBuffer &buffer, int width, int height, int colorKey) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
Graphics::PixelBuffer dataBuffer;
|
||
|
|
int width, height;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
void tglUploadBlitTexture(int* textureHandle, int width, int height, Graphics::PixelBuffer &buffer, int colorKey) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void tglDisposeBlitTexture(int textureHandle) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
template <bool disableBlending, bool disableColoring, bool disableTransform>
|
||
|
|
void tglBlitGeneric(int blitTextureHandle, int dstX, int dstY, int width, int height, int srcX, int srcY, int srcWidth, int srcHeight, float rotation, float rTint, float gTint, float bTint, float aTint) {
|
||
|
|
TinyGL::GLContext* c =TinyGL::gl_get_context();
|
||
|
|
|
||
|
|
if (dstX >= c->fb->xsize|| dstY >= c->fb->ysize)
|
||
|
|
return;
|
||
|
|
|
||
|
|
int clampWidth, clampHeight;
|
||
|
|
|
||
|
|
if (dstX + width > c->fb->xsize)
|
||
|
|
clampWidth = c->fb->xsize - dstX;
|
||
|
|
else
|
||
|
|
clampWidth = width;
|
||
|
|
|
||
|
|
if (dstY + height > c->fb->ysize)
|
||
|
|
clampHeight = c->fb->ysize - dstY;
|
||
|
|
else
|
||
|
|
clampHeight = height;
|
||
|
|
|
||
|
|
TinyGLBlitTexture* texture;
|
||
|
|
|
||
|
|
Graphics::PixelBuffer srcBuf(texture->dataBuffer);
|
||
|
|
srcBuf.shiftBy(srcX + (srcY * texture->width));
|
||
|
|
|
||
|
|
for (int l = 0; l < clampHeight; l++) {
|
||
|
|
for (int r = 0; r < clampWidth; ++r) {
|
||
|
|
byte aDst, rDst, gDst, bDst;
|
||
|
|
srcBuf.getARGBAt(r, aDst, rDst, gDst, bDst);
|
||
|
|
c->fb->writePixel((dstX + r) + (dstY + l) * c->fb->xsize, aDst * aTint, rDst * rTint, gDst * gTint, bDst * bTint);
|
||
|
|
}
|
||
|
|
srcBuf.shiftBy(srcWidth);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void tglBlit(int blitTextureHandle, int dstX, int dstY, int width, int height, int srcX, int srcY, int srcWidth, int srcHeight, float rotation, float rTint, float gTint, float bTint, float aTint) {
|
||
|
|
|
||
|
|
TinyGL::GLContext* c =TinyGL::gl_get_context();
|
||
|
|
bool disableColor = aTint == 1.0f && bTint == 1.0f && gTint == 1.0f && rTint == 1.0f;
|
||
|
|
bool disableTransform = srcWidth == width && srcHeight == height && rotation == 0;
|
||
|
|
bool disableBlend = c->enableBlend == false;
|
||
|
|
if (disableColor && disableTransform && disableBlend) {
|
||
|
|
tglBlitGeneric<true, true, true>(blitTextureHandle, dstX, dstY, width, height, srcX, srcY, srcWidth, srcHeight, rotation, rTint, gTint, bTint, aTint);
|
||
|
|
} else if (disableColor && disableTransform) {
|
||
|
|
tglBlitGeneric<false, true, true>(blitTextureHandle, dstX, dstY, width, height, srcX, srcY, srcWidth, srcHeight, rotation, rTint, gTint, bTint, aTint);
|
||
|
|
} else if (disableTransform) {
|
||
|
|
tglBlitGeneric<false, false, true>(blitTextureHandle, dstX, dstY, width, height, srcX, srcY, srcWidth, srcHeight, rotation, rTint, gTint, bTint, aTint);
|
||
|
|
} else {
|
||
|
|
tglBlitGeneric<false, false, false>(blitTextureHandle, dstX, dstY, width, height, srcX, srcY, srcWidth, srcHeight, rotation, rTint, gTint, bTint, aTint);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void tglBlitNoBlend(int blitTextureHandle, int dstX, int dstY, int width, int height, int srcX, int srcY, int srcWidth, int srcHeight, float rotation, float rTint, float gTint, float bTint, float aTint) {
|
||
|
|
tglBlitGeneric<true, false, false>(blitTextureHandle, dstX, dstY, width, height, srcX, srcY, srcWidth, srcHeight, rotation, rTint, gTint, bTint, aTint);
|
||
|
|
}
|
||
|
|
|
||
|
|
void tglBlitFast(int blitTextureHandle, int x, int y, int width, int height) {
|
||
|
|
tglBlitGeneric<true, true, true>(blitTextureHandle, x, y, width, height, 0, 0, width, height, 0, 255, 255, 255 ,255);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|