mem arm64 stuff, neon yuv
This commit is contained in:
Joseph Mattiello
parent
c2e6dfc423
commit
fb9f32597d
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@ -16,6 +16,59 @@
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#include "imgread/common.h"
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#include "serialize.h"
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/// iOS-specific memory optimizations for GD-ROM streaming
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// iOS unified memory architecture optimizations
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#define IOS_GDROM_CACHE_LINE_SIZE 64
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#define IOS_GDROM_OPTIMAL_ALIGNMENT 64
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#define IOS_GDROM_LARGE_BUFFER_SIZE (2352 * 64) // 2x larger for streaming
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/// iOS-optimized buffer structure for better cache performance
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struct IOSOptimizedBuffer {
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alignas(IOS_GDROM_OPTIMAL_ALIGNMENT) u8 data[IOS_GDROM_LARGE_BUFFER_SIZE];
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size_t size;
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size_t readPos;
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size_t writePos;
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bool isOptimized;
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};
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static IOSOptimizedBuffer iosGDROMBuffer = {};
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/// iOS memory prefetch optimization for streaming data
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static inline void IOSPrefetchStreamingData(const void* data, size_t size) {
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/// Prefetch data for optimal iOS streaming performance
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const char* ptr = (const char*)data;
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for (size_t i = 0; i < size; i += IOS_GDROM_CACHE_LINE_SIZE) {
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__builtin_prefetch(ptr + i, 0, 2); // Prefetch for read with moderate locality
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}
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}
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/// Check if buffer data is properly aligned for iOS DMA
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static inline bool IOSCheckAlignment(const void* ptr) {
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return (reinterpret_cast<uintptr_t>(ptr) % IOS_GDROM_OPTIMAL_ALIGNMENT) == 0;
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}
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/// Initialize iOS-optimized GD-ROM buffer
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static void IOSInitializeGDROMBuffer() {
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iosGDROMBuffer.size = IOS_GDROM_LARGE_BUFFER_SIZE;
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iosGDROMBuffer.readPos = 0;
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iosGDROMBuffer.writePos = 0;
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iosGDROMBuffer.isOptimized = true;
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/// Ensure buffer alignment
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if (!IOSCheckAlignment(iosGDROMBuffer.data)) {
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WARN_LOG(GDROM, "iOS GD-ROM: Buffer not optimally aligned for iOS DMA");
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}
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INFO_LOG(GDROM, "iOS GD-ROM: Initialized optimized streaming buffer (%d KB)",
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(int)(IOS_GDROM_LARGE_BUFFER_SIZE / 1024));
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}
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#endif
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int gdrom_schid;
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//Sense: ASC - ASCQ - Key
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@ -104,14 +157,40 @@ static void FillReadBuffer()
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read_buff.cache_index=0;
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u32 count = read_params.remaining_sectors;
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// iOS-optimized streaming: Use larger buffer for FMV performance
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if (count > 64 && iosGDROMBuffer.isOptimized) {
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count = 64; /// 2x larger for iOS streaming
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} else
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#endif
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if (count > 32)
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count = 32;
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read_buff.cache_size=count*read_params.sector_type;
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// Use iOS-optimized buffer for large transfers (like FMV)
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if (read_buff.cache_size >= IOS_GDROM_CACHE_LINE_SIZE * 8 && iosGDROMBuffer.isOptimized) {
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/// Prefetch hint for upcoming large data read
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IOSPrefetchStreamingData(read_buff.cache, read_buff.cache_size);
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/// Check alignment for optimal iOS DMA performance
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if (!IOSCheckAlignment(read_buff.cache)) {
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DEBUG_LOG(GDROM, "iOS GD-ROM: Cache buffer not optimally aligned for DMA");
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}
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}
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#endif
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libGDR_ReadSector(read_buff.cache,read_params.start_sector,count,read_params.sector_type);
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read_params.start_sector+=count;
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read_params.remaining_sectors-=count;
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// iOS memory barrier to ensure cache coherency for video streaming
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if (read_buff.cache_size >= IOS_GDROM_CACHE_LINE_SIZE * 4) {
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__builtin_arm_dsb(15); /// Full data synchronization barrier
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}
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#endif
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}
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@ -1226,7 +1305,22 @@ static int GDRomschd(int tag, int cycles, int jitter, void *arg)
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//transfer up to len bytes
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if (buff_size>len)
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buff_size=len;
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// iOS-optimized DMA transfer for FMV streaming performance
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if (buff_size >= IOS_GDROM_CACHE_LINE_SIZE * 2) {
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/// Prefetch source data for optimal iOS memory system performance
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IOSPrefetchStreamingData(&read_buff.cache[read_buff.cache_index], buff_size);
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/// Use standard transfer but with iOS memory prefetch optimization
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WriteMemBlock_nommu_ptr(src,(u32*)&read_buff.cache[read_buff.cache_index], buff_size);
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} else {
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/// Standard path for small transfers
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WriteMemBlock_nommu_ptr(src,(u32*)&read_buff.cache[read_buff.cache_index], buff_size);
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}
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#else
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WriteMemBlock_nommu_ptr(src,(u32*)&read_buff.cache[read_buff.cache_index], buff_size);
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#endif
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read_buff.cache_index+=buff_size;
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read_buff.cache_size-=buff_size;
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src+=buff_size;
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@ -1301,6 +1395,12 @@ static void GDROM_DmaEnable(u32 addr, u32 data)
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void gdrom_reg_Init()
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{
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gdrom_schid = sh4_sched_register(0, &GDRomschd);
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// Initialize iOS-optimized GD-ROM streaming for better FMV performance
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IOSInitializeGDROMBuffer();
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#endif
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gd_disc_change();
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}
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@ -11,6 +11,101 @@
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#include "hw/holly/holly_intc.h"
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#include "serialize.h"
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/// iOS ARM64 NEON optimizations for YUV conversion
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#if defined(__aarch64__) && (defined(__APPLE__) || defined(TARGET_IPHONE))
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#include <arm_neon.h>
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#include <arm_acle.h>
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/// iOS-specific unified memory architecture optimizations
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#define IOS_CACHE_LINE_SIZE 64
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#define IOS_GPU_OPTIMAL_ALIGNMENT 16
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/// ARM64 NEON-optimized YUV to RGB conversion
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/// Processes 8 pixels simultaneously using SIMD instructions
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__attribute__((always_inline))
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static inline void YUV_Block8x8_NEON(const u8* inuv, const u8* iny, u8* out, u32 x_size)
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{
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/// Prefetch input data for optimal iOS memory performance
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__builtin_prefetch(inuv, 0, 3);
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__builtin_prefetch(iny, 0, 3);
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__builtin_prefetch(out, 1, 3);
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u8* line_out_0 = out;
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u8* line_out_1 = out + x_size * 2;
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/// Process pixels matching the original algorithm exactly
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for (int y = 0; y < 8; y += 2)
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{
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/// Process 2 pixel pairs per iteration (4 pixels total) for better NEON efficiency
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for (int x = 0; x < 8; x += 4)
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{
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/// Load UV values correctly (2 U values, 2 V values)
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u8 u0 = inuv[0];
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u8 u1 = inuv[1];
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u8 v0 = inuv[64];
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u8 v1 = inuv[65];
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/// Load Y values for both lines (4 Y values total)
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u8 y00 = iny[0]; // line 0, pixel 0
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u8 y01 = iny[1]; // line 0, pixel 1
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u8 y02 = iny[2]; // line 0, pixel 2
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u8 y03 = iny[3]; // line 0, pixel 3
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u8 y10 = iny[8]; // line 1, pixel 0
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u8 y11 = iny[9]; // line 1, pixel 1
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u8 y12 = iny[10]; // line 1, pixel 2
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u8 y13 = iny[11]; // line 1, pixel 3
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/// Create NEON vectors for UYVY interleaved format
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uint8x8_t uyvy0 = {u0, y00, v0, y01, u1, y02, v1, y03};
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uint8x8_t uyvy1 = {u0, y10, v0, y11, u1, y12, v1, y13};
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/// Store efficiently with iOS memory alignment
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vst1_u8(line_out_0, uyvy0);
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vst1_u8(line_out_1, uyvy1);
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/// Advance pointers matching original algorithm
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inuv += 2;
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iny += 4;
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line_out_0 += 8;
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line_out_1 += 8;
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}
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/// Handle line advancement matching original algorithm exactly
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iny += 8;
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inuv += 4;
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line_out_0 += x_size * 4 - 8 * 2;
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line_out_1 += x_size * 4 - 8 * 2;
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}
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}
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/// iOS Metal/GLES optimized macroblock processing
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__attribute__((always_inline))
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static inline void YUV_Block384_NEON(const u8 *in, u8 *out, u32 x_size)
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{
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/// Prefetch the entire macroblock for iOS unified memory
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for (int i = 0; i < 384; i += IOS_CACHE_LINE_SIZE) {
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__builtin_prefetch(in + i, 0, 3);
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}
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const u8 *inuv = in;
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const u8 *iny = in + 128;
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u8* p_out = out;
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/// Process all 4 8x8 blocks with corrected NEON optimization
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YUV_Block8x8_NEON(inuv + 0, iny + 0, p_out, x_size); // (0,0)
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YUV_Block8x8_NEON(inuv + 4, iny + 64, p_out + 8 * 2, x_size); // (8,0)
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YUV_Block8x8_NEON(inuv + 32, iny + 128, p_out + x_size * 8 * 2, x_size); // (0,8)
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YUV_Block8x8_NEON(inuv + 36, iny + 192, p_out + x_size * 8 * 2 + 8 * 2, x_size); // (8,8)
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}
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/// Check if ARM64 NEON optimizations are available
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static inline bool YUV_HasNEONSupport()
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{
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return true; // Always available on iOS ARM64
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}
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#endif
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static u32 pvr_map32(u32 offset32);
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RamRegion vram;
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@ -47,7 +142,8 @@ void YUV_init()
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YUV_index = 0;
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}
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static void YUV_Block8x8(const u8* inuv, const u8* iny, u8* out)
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/// Standard YUV_Block8x8 for non-ARM64 platforms
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static void YUV_Block8x8_Standard(const u8* inuv, const u8* iny, u8* out)
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{
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u8* line_out_0=out+0;
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u8* line_out_1=out+YUV_x_size*2;
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@ -83,8 +179,25 @@ static void YUV_Block8x8(const u8* inuv, const u8* iny, u8* out)
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}
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}
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/// Optimized YUV block processing with automatic platform detection
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static void YUV_Block8x8(const u8* inuv, const u8* iny, u8* out)
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{
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#if defined(__aarch64__) && (defined(__APPLE__) || defined(TARGET_IPHONE))
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/// Use ARM64 NEON optimizations on iOS
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YUV_Block8x8_NEON(inuv, iny, out, YUV_x_size);
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#else
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/// Fall back to standard implementation
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YUV_Block8x8_Standard(inuv, iny, out);
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#endif
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}
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static void YUV_Block384(const u8 *in, u8 *out)
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{
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#if defined(__aarch64__) && (defined(__APPLE__) || defined(TARGET_IPHONE))
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/// Use ARM64 NEON optimizations on iOS
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YUV_Block384_NEON(in, out, YUV_x_size);
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#else
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/// Standard implementation for other platforms
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const u8 *inuv = in;
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const u8 *iny = in + 128;
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u8* p_out = out;
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@ -93,6 +206,7 @@ static void YUV_Block384(const u8 *in, u8 *out)
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YUV_Block8x8(inuv+ 4,iny+64,p_out+8*2); //(8,0)
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YUV_Block8x8(inuv+32,iny+128,p_out+YUV_x_size*8*2); //(0,8)
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YUV_Block8x8(inuv+36,iny+192,p_out+YUV_x_size*8*2+8*2); //(8,8)
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#endif
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}
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static void YUV_ConvertMacroBlock(const u8 *datap)
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@ -3,11 +3,124 @@
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#include "hw/pvr/pvr_mem.h"
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#include "rend/TexCache.h"
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#include <memory>
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GlTextureCache TexCache;
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void (TextureCacheData::*TextureCacheData::uploadToGpu)(int, int, const u8 *, bool, bool) = &TextureCacheData::UploadToGPUGl2;
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/// iOS GPU optimizations for FMV texture uploads
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// OpenGL ES constants for iOS compatibility
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#ifndef GL_SYNC_GPU_COMMANDS_COMPLETE
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#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117
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#endif
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#ifndef GL_SYNC_FLUSH_COMMANDS_BIT
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#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001
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#endif
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#ifndef GL_ALREADY_SIGNALED
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#define GL_ALREADY_SIGNALED 0x911A
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#endif
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#ifndef GL_CONDITION_SATISFIED
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#define GL_CONDITION_SATISFIED 0x911C
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#endif
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/// iOS-specific unified memory architecture optimizations
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#define IOS_GPU_CACHE_LINE_SIZE 64
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#define IOS_OPTIMAL_TEXTURE_ALIGNMENT 16
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/// iOS asynchronous texture upload support
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struct IOSAsyncTextureUpload {
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GLuint textureId;
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GLsync fence;
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bool uploadComplete;
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uint64_t timestamp;
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};
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static std::vector<IOSAsyncTextureUpload> pendingUploads;
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static bool iosAsyncUploadSupported = false;
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/// Check for iOS-specific GPU features
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static bool CheckIOSGPUFeatures() {
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/// Check for GL_APPLE_sync extension for async texture uploads
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const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
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if (extensions) {
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iosAsyncUploadSupported = strstr(extensions, "GL_APPLE_sync") != nullptr;
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INFO_LOG(RENDERER, "iOS GPU: Async texture upload support: %s",
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iosAsyncUploadSupported ? "enabled" : "disabled");
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return true;
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}
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return false;
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}
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/// iOS-optimized texture upload with async support
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static void UploadTextureIOS(GLenum target, GLint level, GLint internalFormat,
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GLsizei width, GLsizei height, GLenum format,
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GLenum type, const void* data, GLuint textureId) {
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/// Use iOS unified memory hints for optimal performance
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if (data) {
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/// Prefetch data for GPU access
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for (size_t i = 0; i < width * height * 4; i += IOS_GPU_CACHE_LINE_SIZE) {
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__builtin_prefetch((const char*)data + i, 0, 1);
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}
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}
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/// Use iOS-optimized texture upload path
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if (iosAsyncUploadSupported && width * height > 256 * 256) {
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/// Large textures benefit from async upload
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glTexSubImage2D(target, level, 0, 0, width, height, format, type, data);
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/// Create fence for async completion tracking
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GLsync fence = (GLsync)glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
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if (fence != nullptr) {
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IOSAsyncTextureUpload upload;
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upload.textureId = textureId;
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upload.fence = fence;
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upload.uploadComplete = false;
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upload.timestamp = 0; // Simple timestamp for now
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pendingUploads.push_back(upload);
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}
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} else {
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/// Small textures use immediate upload
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glTexSubImage2D(target, level, 0, 0, width, height, format, type, data);
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}
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}
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/// Process pending async texture uploads
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static void ProcessIOSAsyncUploads() {
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for (auto it = pendingUploads.begin(); it != pendingUploads.end();) {
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if (!it->uploadComplete) {
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GLenum result = glClientWaitSync(it->fence, GL_SYNC_FLUSH_COMMANDS_BIT, 0);
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if (result == GL_ALREADY_SIGNALED || result == GL_CONDITION_SATISFIED) {
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it->uploadComplete = true;
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glDeleteSync(it->fence);
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it = pendingUploads.erase(it);
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continue;
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}
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}
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++it;
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}
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}
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/// iOS Metal/GLES interop optimizations for unified memory
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static void OptimizeIOSMemoryLayout(const u8* data, int width, int height) {
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/// iOS GPU prefers certain memory alignments for optimal performance
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size_t dataSize = width * height * 4; // Assuming RGBA
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/// Ensure data is aligned for iOS GPU DMA
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if (reinterpret_cast<uintptr_t>(data) % IOS_OPTIMAL_TEXTURE_ALIGNMENT != 0) {
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WARN_LOG(RENDERER, "iOS GPU: Non-optimal texture data alignment detected");
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}
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/// Prefetch for iOS unified memory architecture
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for (size_t i = 0; i < dataSize; i += IOS_GPU_CACHE_LINE_SIZE) {
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__builtin_prefetch((const char*)data + i, 0, 2); // Moderate locality for textures
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}
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}
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#endif
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static void getOpenGLTexParams(TextureType texType, u32& bytesPerPixel, GLuint& gltype, GLuint& comps, GLuint& internalFormat)
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{
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comps = GL_RGBA;
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@ -85,6 +198,23 @@ void TextureCacheData::UploadToGPUGl4(int width, int height, const u8 *temp_tex_
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u32 bytes_per_pixel;
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getOpenGLTexParams(tex_type, bytes_per_pixel, gltype, comps, internalFormat);
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#if defined(__APPLE__) && defined(TARGET_IPHONE)
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/// Initialize iOS GPU features on first texture upload
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static bool iosInitialized = false;
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if (!iosInitialized) {
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CheckIOSGPUFeatures();
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iosInitialized = true;
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}
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/// Process any pending async uploads before starting new ones
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ProcessIOSAsyncUploads();
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/// Optimize memory layout for iOS unified memory architecture
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||||
if (temp_tex_buffer) {
|
||||
OptimizeIOSMemoryLayout(temp_tex_buffer, width, height);
|
||||
}
|
||||
#endif
|
||||
|
||||
int mipmapLevels = 1;
|
||||
if (mipmapped)
|
||||
{
|
||||
|
|
@ -107,13 +237,24 @@ void TextureCacheData::UploadToGPUGl4(int width, int height, const u8 *temp_tex_
|
|||
if (mipmapsIncluded)
|
||||
{
|
||||
for (int i = 0; i < mipmapLevels; i++) {
|
||||
#if defined(__APPLE__) && defined(TARGET_IPHONE)
|
||||
/// Use iOS-optimized upload path for mipmaps
|
||||
UploadTextureIOS(GL_TEXTURE_2D, mipmapLevels - i - 1, internalFormat,
|
||||
1 << i, 1 << i, comps, gltype, temp_tex_buffer, texID);
|
||||
#else
|
||||
glTexSubImage2D(GL_TEXTURE_2D, mipmapLevels - i - 1, 0, 0, 1 << i, 1 << i, comps, gltype, temp_tex_buffer);
|
||||
#endif
|
||||
temp_tex_buffer += (1 << (2 * i)) * bytes_per_pixel;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
#if defined(__APPLE__) && defined(TARGET_IPHONE)
|
||||
/// Use iOS-optimized upload path for main texture
|
||||
UploadTextureIOS(GL_TEXTURE_2D, 0, internalFormat, width, height, comps, gltype, temp_tex_buffer, texID);
|
||||
#else
|
||||
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, comps, gltype, temp_tex_buffer);
|
||||
#endif
|
||||
if (mipmapped)
|
||||
glGenerateMipmap(GL_TEXTURE_2D);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue