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test to align zbuffer on 32

This commit is contained in:
Milang 2019-08-17 18:14:36 +02:00
parent d9abe48615
commit 6f36dd1966
1 changed files with 8 additions and 10 deletions
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18
src/FxEngine/zbuffer.c
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@ -26,12 +26,13 @@ static const uint32_t size_char = size_uint32*sizeof(int32_t);
static int32_t* address=0;
const int32_t clearval=3000;
void FE_zbuffer_clear()
{
if (address==0)
{
address = malloc(size_char);
address = (int32_t*)malloc(size_char+3);
address/=4;
address*=4;
if (address==0) // cas de figure où il n'y a plus assez de RAM
{
dclear(C_WHITE);
@ -43,24 +44,21 @@ void FE_zbuffer_clear()
}
// TODO déterminer le type d'effacement
if (isSH3())
{ // effacement fait par le CPU
uint32_t indice;
{ // effacement CPU
uint_fast16_t indice;
for (indice = 0; indice < size_uint32; indice ++)
address[indice] = clearval;
}
else
{ // effacement fait par le DMA
{ // effacement DMA
dma_transfer(0, DMA_32B, size_uint32, &clearval, DMA_FIXED, address, DMA_INC);
}
}
void FE_start_rendering()
{
if (isSH3())
return;
dma_transfer_wait(0);
if (!isSH3())
dma_transfer_wait(0);
}