X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=plugins%2Fgpu_neon%2Fgpu.c;h=a18e05ffd0d23fd2868c16701e6321420fa2f79b;hp=c68e81c313cf78805552911abf1f0fcfb7fe0b15;hb=b78edec75aea5e9015e11dd71f7736d7e92b347b;hpb=c7945666b47fa5636762bfa52cd6328125d607c4

diff --git a/plugins/gpu_neon/gpu.c b/plugins/gpu_neon/gpu.c
index c68e81c3..a18e05ff 100644
--- a/plugins/gpu_neon/gpu.c
+++ b/plugins/gpu_neon/gpu.c
@@ -270,10 +270,13 @@ static void start_vram_transfer(uint32_t pos_word, uint32_t size_word, int is_re
   gpu.dma.h = size_word >> 16;
   gpu.dma.offset = 0;
 
-  if (is_read)
+  renderer_flush_queues();
+  if (is_read) {
     gpu.status.img = 1;
+    // XXX: wrong for width 1
+    memcpy(&gpu.gp0, VRAM_MEM_XY(gpu.dma.x, gpu.dma.y), 4);
+  }
   else {
-    renderer_flush_queues();
     renderer_invalidate_caches(gpu.dma.x, gpu.dma.y, gpu.dma.w, gpu.dma.h);
   }
 
@@ -394,7 +397,7 @@ long GPUdmaChain(uint32_t *rambase, uint32_t start_addr)
   uint32_t addr, *list;
   uint32_t *llist_entry = NULL;
   int len, left, count;
-  long dma_words = 0;
+  long cpu_cycles = 0;
 
   if (unlikely(gpu.cmd_len > 0))
     flush_cmd_buffer();
@@ -402,7 +405,7 @@ long GPUdmaChain(uint32_t *rambase, uint32_t start_addr)
   // ff7 sends it's main list twice, detect this
   if (*gpu.state.frame_count == gpu.state.last_list.frame &&
       *gpu.state.hcnt - gpu.state.last_list.hcnt <= 1 &&
-       gpu.state.last_list.words > 1024)
+       gpu.state.last_list.cycles > 2048)
   {
     llist_entry = rambase + (gpu.state.last_list.addr & 0x1fffff) / 4;
     *llist_entry |= 0x800000;
@@ -415,7 +418,9 @@ long GPUdmaChain(uint32_t *rambase, uint32_t start_addr)
     list = rambase + (addr & 0x1fffff) / 4;
     len = list[0] >> 24;
     addr = list[0] & 0xffffff;
-    dma_words += 1 + len;
+    cpu_cycles += 10;
+    if (len > 0)
+      cpu_cycles += 5 + len;
 
     log_io(".chain %08x #%d\n", (list - rambase) * 4, len);
 
@@ -446,10 +451,10 @@ long GPUdmaChain(uint32_t *rambase, uint32_t start_addr)
 
   gpu.state.last_list.frame = *gpu.state.frame_count;
   gpu.state.last_list.hcnt = *gpu.state.hcnt;
-  gpu.state.last_list.words = dma_words;
+  gpu.state.last_list.cycles = cpu_cycles;
   gpu.state.last_list.addr = start_addr;
 
-  return dma_words;
+  return cpu_cycles;
 }
 
 void GPUreadDataMem(uint32_t *mem, int count)
@@ -465,15 +470,17 @@ void GPUreadDataMem(uint32_t *mem, int count)
 
 uint32_t GPUreadData(void)
 {
-  log_io("gpu_read\n");
+  uint32_t ret;
 
   if (unlikely(gpu.cmd_len > 0))
     flush_cmd_buffer();
 
+  ret = gpu.gp0;
   if (gpu.dma.h)
-    do_vram_io(&gpu.gp0, 1, 1);
+    do_vram_io(&ret, 1, 1);
 
-  return gpu.gp0;
+  log_io("gpu_read %08x\n", ret);
+  return ret;
 }
 
 uint32_t GPUreadStatus(void)