#pragma once #include <stdint.h>#include "ft2_scopes.h" /* ----------------------------------------------------------------------- *//*                          SCOPE DRAWING MACROS                           *//* ----------------------------------------------------------------------- */ #define SCOPE_REGS_NO_LOOP \	const int32_t volume = s->volume; \	const int32_t sampleEnd = s->sampleEnd; \	const uint32_t delta = (uint32_t)(s->delta >> (SCOPE_FRAC_BITS-10)); \	const uint32_t color = video.palette[PAL_PATTEXT]; \	const uint32_t width = x + w; \	int32_t sample; \	int32_t position = s->position; \	uint32_t positionFrac = 0; #define SCOPE_REGS_LOOP \	const int32_t volume = s->volume; \	const int32_t sampleEnd = s->sampleEnd; \	const int32_t loopStart = s->loopStart; \	const int32_t loopLength = s->loopLength; \	const uint32_t delta = (uint32_t)(s->delta >> (SCOPE_FRAC_BITS-10)); \	const uint32_t color = video.palette[PAL_PATTEXT]; \	const uint32_t width = x + w; \	int32_t sample; \	int32_t position = s->position; \	uint32_t positionFrac = 0; #define SCOPE_REGS_PINGPONG \	const int32_t volume = s->volume; \	const int32_t sampleEnd = s->sampleEnd; \	const int32_t loopStart = s->loopStart; \	const int32_t loopLength = s->loopLength; \	const uint32_t delta = (uint32_t)(s->delta >> (SCOPE_FRAC_BITS-10)); \	const uint32_t color = video.palette[PAL_PATTEXT]; \	const uint32_t width = x + w; \	int32_t sample; \	int32_t position = s->position; \	uint32_t positionFrac = 0; \	int32_t direction = s->direction; #define LINED_SCOPE_REGS_NO_LOOP \	const int32_t volume = s->volume; \	const int32_t sampleEnd = s->sampleEnd; \	const uint32_t delta = (uint32_t)(s->delta >> (SCOPE_FRAC_BITS-10)); \	const uint32_t width = (x + w) - 1; \	int32_t sample, sample2; \	int32_t y1, y2; \	int32_t position = s->position; \	uint32_t positionFrac = 0; #define LINED_SCOPE_REGS_LOOP \	const int32_t volume = s->volume; \	const int32_t sampleEnd = s->sampleEnd; \	const int32_t loopStart = s->loopStart; \	const int32_t loopLength = s->loopLength; \	const uint32_t delta = (uint32_t)(s->delta >> (SCOPE_FRAC_BITS-10)); \	const uint32_t width = (x + w) - 1; \	int32_t sample, sample2; \	int32_t y1, y2; \	int32_t position = s->position; \	uint32_t positionFrac = 0; #define LINED_SCOPE_REGS_PINGPONG \	const int32_t volume = s->volume; \	const int32_t sampleEnd = s->sampleEnd; \	const int32_t loopStart = s->loopStart; \	const int32_t loopLength = s->loopLength; \	const uint32_t delta = (uint32_t)(s->delta >> (SCOPE_FRAC_BITS-10)); \	const uint32_t width = (x + w) - 1; \	int32_t sample, sample2; \	int32_t y1, y2; \	int32_t position = s->position; \	uint32_t positionFrac = 0; \	int32_t direction = s->direction; /* Note: Sample data already has a fixed tap samples at the end of the sample,** so that an out-of-bounds read is OK and reads the correct interpolation tap.*/ #define COLLECT_LERP_SAMPLES8 \		sample = s->base8[position+0] << 8; \		sample2 = s->base8[position+1] << 8; #define COLLECT_LERP_SAMPLES16 \		sample = s->base16[position+0]; \		sample2 = s->base16[position+1]; #define DO_LERP \		const int32_t frac = (uint32_t)positionFrac >> 1; /* 0..32767 */ \		sample2 -= sample; \		sample2 = (sample2 * frac) >> 15; \		sample += sample2; \ #define DO_LERP_BIDI \		int32_t frac = (uint32_t)positionFrac >> 1; /* 0..32767 */ \		if (direction == -1) frac ^= 32767; /* negate frac */ \		sample2 -= sample; \		sample2 = (sample2 * frac) >> 15; \		sample += sample2; #define GET_LERP_SMP8 \		COLLECT_LERP_SAMPLES8 \		DO_LERP #define GET_LERP_SMP16 \		COLLECT_LERP_SAMPLES16 \		DO_LERP #define GET_LERP_SMP8_BIDI \		COLLECT_LERP_SAMPLES8 \		DO_LERP_BIDI #define GET_LERP_SMP16_BIDI  \		COLLECT_LERP_SAMPLES16 \		DO_LERP_BIDI #define SCOPE_GET_SMP8 \	if (s->active) \		sample = (s->base8[position] * volume) >> 8; \	else \		sample = 0; #define SCOPE_GET_SMP16 \	if (s->active) \		sample = (s->base16[position] * volume) >> 16; \	else \		sample = 0; #define SCOPE_GET_LERP_SMP8 \	if (s->active) \	{ \		GET_LERP_SMP8 \		sample = (sample * volume) >> 16; \	} \	else \	{ \		sample = 0; \	} #define SCOPE_GET_LERP_SMP16 \	if (s->active) \	{ \		GET_LERP_SMP16 \		sample = (sample * volume) >> 16; \	} \	else \	{ \		sample = 0; \	} #define SCOPE_GET_LERP_SMP8_BIDI \	if (s->active) \	{ \		GET_LERP_SMP8_BIDI \		sample = (sample * volume) >> 16; \	} \	else \	{ \		sample = 0; \	} #define SCOPE_GET_LERP_SMP16_BIDI \	if (s->active) \	{ \		GET_LERP_SMP16_BIDI \		sample = (sample * volume) >> 16; \	} \	else \	{ \		sample = 0; \	} #define SCOPE_UPDATE_DRAWPOS \	positionFrac += delta; \	position += positionFrac >> 16; \	positionFrac &= 0xFFFF; #define SCOPE_UPDATE_DRAWPOS_PINGPONG \	positionFrac += delta; \	position += (int32_t)(positionFrac >> 16) * direction; \	positionFrac &= 0xFFFF; #define SCOPE_DRAW_SMP \	video.frameBuffer[((lineY - sample) * SCREEN_W) + x] = color; #define LINED_SCOPE_PREPARE_LERP_SMP8 \	SCOPE_GET_LERP_SMP8 \	y1 = lineY - sample; \	SCOPE_UPDATE_DRAWPOS #define LINED_SCOPE_PREPARE_LERP_SMP16 \	SCOPE_GET_LERP_SMP16 \	y1 = lineY - sample; \	SCOPE_UPDATE_DRAWPOS #define LINED_SCOPE_PREPARE_LERP_SMP8_BIDI \	SCOPE_GET_LERP_SMP8_BIDI \	y1 = lineY - sample; \	SCOPE_UPDATE_DRAWPOS #define LINED_SCOPE_PREPARE_LERP_SMP16_BIDI \	SCOPE_GET_LERP_SMP16_BIDI \	y1 = lineY - sample; \	SCOPE_UPDATE_DRAWPOS #define LINED_SCOPE_DRAW_SMP \	y2 = lineY - sample; \	scopeLine(x, y1, y2); \	y1 = y2; \ #define SCOPE_HANDLE_POS_NO_LOOP \	if (position >= sampleEnd) \		s->active = false; #define SCOPE_HANDLE_POS_LOOP \	if (position >= sampleEnd) \	{ \		if (loopLength >= 2) \			position = loopStart + ((position - sampleEnd) % loopLength); \		else \			position = loopStart; \	} #define SCOPE_HANDLE_POS_PINGPONG \	if (direction == -1 && position < loopStart) \	{ \		direction = 1; /* change direction to forwards */ \		\		if (loopLength >= 2) \			position = loopStart + ((loopStart - position - 1) % loopLength); \		else \			position = loopStart; \	} \	else if (position >= sampleEnd) \	{ \		direction = -1; /* change direction to backwards */ \		\		if (loopLength >= 2) \			position = (sampleEnd - 1) - ((position - sampleEnd) % loopLength); \		else \			position = sampleEnd - 1; \	}