X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plugins%2Fgpu_senquack%2Fgpu_inner_blend_arm.h;fp=plugins%2Fgpu_senquack%2Fgpu_inner_blend_arm.h;h=0000000000000000000000000000000000000000;hb=4cfc568dce10c4ff9a476e229c56b17f8f1ed678;hp=6413527c7182e00bd9d63b2d393ca26dd2e36d80;hpb=5a920d326f0508f941d6cfc6c42500e961f82a72;p=pcsx_rearmed.git

diff --git a/plugins/gpu_senquack/gpu_inner_blend_arm.h b/plugins/gpu_senquack/gpu_inner_blend_arm.h
deleted file mode 100644
index 6413527c..00000000
--- a/plugins/gpu_senquack/gpu_inner_blend_arm.h
+++ /dev/null
@@ -1,103 +0,0 @@
-#ifndef _OP_BLEND_ARM_H_
-#define _OP_BLEND_ARM_H_
-
-////////////////////////////////////////////////////////////////////////////////
-// Blend bgr555 color in 'uSrc' (foreground) with bgr555 color
-//  in 'uDst' (background), returning resulting color.
-//
-// INPUT:
-//  'uSrc','uDst' input: -bbbbbgggggrrrrr
-//                       ^ bit 16
-// OUTPUT:
-//           u16 output: 0bbbbbgggggrrrrr
-//                       ^ bit 16
-// RETURNS:
-// Where '0' is zero-padding, and '-' is don't care
-////////////////////////////////////////////////////////////////////////////////
-template <int BLENDMODE, bool SKIP_USRC_MSB_MASK>
-GPU_INLINE uint_fast16_t gpuBlendingARM(uint_fast16_t uSrc, uint_fast16_t uDst)
-{
-	// These use Blargg's bitwise modulo-clamping:
-	//  http://blargg.8bitalley.com/info/rgb_mixing.html
-	//  http://blargg.8bitalley.com/info/rgb_clamped_add.html
-	//  http://blargg.8bitalley.com/info/rgb_clamped_sub.html
-
-	uint_fast16_t mix;
-
-	// Clear preserved msb
-	asm ("bic %[uDst], %[uDst], #0x8000" : [uDst] "+r" (uDst));
-
-	if (BLENDMODE == 3) {
-		// Prepare uSrc for blending ((0.25 * uSrc) & (0.25 * mask))
-		asm ("and %[uSrc], %[mask], %[uSrc], lsr #0x2" : [uSrc] "+r" (uSrc) : [mask] "r" (0x1ce7));
-	} else if (!SKIP_USRC_MSB_MASK) {
-		asm ("bic %[uSrc], %[uSrc], #0x8000" : [uSrc] "+r" (uSrc));
-	}
-
-
-	// 0.5 x Back + 0.5 x Forward
-	if (BLENDMODE==0) {
-		// mix = ((uSrc + uDst) - ((uSrc ^ uDst) & 0x0421)) >> 1;
-		asm ("eor %[mix], %[uSrc], %[uDst]\n\t" // uSrc ^ uDst
-		     "and %[mix], %[mix], %[mask]\n\t"  // ... & 0x0421
-		     "sub %[mix], %[uDst], %[mix]\n\t"  // uDst - ...
-		     "add %[mix], %[uSrc], %[mix]\n\t"  // uSrc + ...
-		     "mov %[mix], %[mix], lsr #0x1\n\t" // ... >> 1
-		     : [mix] "=&r" (mix)
-		     : [uSrc] "r" (uSrc), [uDst] "r" (uDst), [mask] "r" (0x0421));
-	}
-
-	if (BLENDMODE == 1 || BLENDMODE == 3) {
-		// u32 sum      = uSrc + uDst;
-		// u32 low_bits = (uSrc ^ uDst) & 0x0421;
-		// u32 carries  = (sum - low_bits) & 0x8420;
-		// u32 modulo   = sum - carries;
-		// u32 clamp    = carries - (carries >> 5);
-		// mix = modulo | clamp;
-
-		u32 sum;
-
-		asm ("add %[sum], %[uSrc], %[uDst]\n\t" // sum = uSrc + uDst
-		     "eor %[mix], %[uSrc], %[uDst]\n\t" // uSrc ^ uDst
-		     "and %[mix], %[mix], %[mask]\n\t"  // low_bits = (... & 0x0421)
-		     "sub %[mix], %[sum], %[mix]\n\t"   // sum - low_bits
-		     "and %[mix], %[mix], %[mask], lsl #0x05\n\t"  // carries = ... & 0x8420
-		     "sub %[sum], %[sum], %[mix] \n\t"  // modulo = sum - carries
-		     "sub %[mix], %[mix], %[mix], lsr #0x05\n\t" // clamp = carries - (carries >> 5)
-		     "orr %[mix], %[sum], %[mix]"       // mix = modulo | clamp
-		     : [sum] "=&r" (sum), [mix] "=&r" (mix)
-		     : [uSrc] "r" (uSrc), [uDst] "r" (uDst), [mask] "r" (0x0421));
-	}
-    
-	// 1.0 x Back - 1.0 x Forward
-	if (BLENDMODE==2) {
-		u32 diff;
-		// u32 diff     = uDst - uSrc + 0x8420;
-		// u32 low_bits = (uDst ^ uSrc) & 0x8420;
-		// u32 borrows  = (diff - low_bits) & 0x8420;
-		// u32 modulo   = diff - borrows;
-		// u32 clamp    = borrows - (borrows >> 5);
-		// mix = modulo & clamp;
-		asm ("sub %[diff], %[uDst], %[uSrc]\n\t"  // uDst - uSrc
-		     "add %[diff], %[diff], %[mask]\n\t"  // diff = ... + 0x8420
-		     "eor %[mix], %[uDst], %[uSrc]\n\t"   // uDst ^ uSrc
-		     "and %[mix], %[mix], %[mask]\n\t"    // low_bits = ... & 0x8420
-		     "sub %[mix], %[diff], %[mix]\n\t"    // diff - low_bits
-		     "and %[mix], %[mix], %[mask]\n\t"    // borrows = ... & 0x8420
-		     "sub %[diff], %[diff], %[mix]\n\t"   // modulo = diff - borrows
-		     "sub %[mix], %[mix], %[mix], lsr #0x05\n\t"  // clamp = borrows - (borrows >> 5)
-		     "and %[mix], %[diff], %[mix]"        // mix = modulo & clamp
-		     : [diff] "=&r" (diff), [mix] "=&r" (mix)
-		     : [uSrc] "r" (uSrc), [uDst] "r" (uDst), [mask] "r" (0x8420));
-	}
-
-	// There's not a case where we can get into this function,
-	// SKIP_USRC_MSB_MASK is false, and the msb of uSrc is unset.
-	if (!SKIP_USRC_MSB_MASK) {
-		asm ("orr %[mix], %[mix], #0x8000" : [mix] "+r" (mix));
-	}
-  
-	return mix;
-}
-
-#endif  //_OP_BLEND_ARM_H_