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gpu/shader: fix mem.h comments

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-02-14 14:43:22 +01:00
parent ffb56f42b9
commit 87ffaaf8c4
1 changed files with 6 additions and 6 deletions
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gpu/shaders/mem.h
+6 -6
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@@ -39,7 +39,7 @@ struct MallocResult {
bool failed; bool failed;
}; };
// new_alloc synthesizes an Alloc when its offset and size is derived. // new_alloc synthesizes an Alloc when its offset and size are derived.
Alloc new_alloc(uint offset, uint size) { Alloc new_alloc(uint offset, uint size) {
Alloc a; Alloc a;
a.offset = offset; a.offset = offset;
@@ -72,7 +72,7 @@ MallocResult malloc(uint size) {
// touch_mem checks whether access to the memory word at offset is valid. // touch_mem checks whether access to the memory word at offset is valid.
// If MEM_DEBUG is defined, touch_mem returns false if offset is out of bounds. // If MEM_DEBUG is defined, touch_mem returns false if offset is out of bounds.
// Note that offset is in words. // Offset is in words.
bool touch_mem(Alloc alloc, uint offset) { bool touch_mem(Alloc alloc, uint offset) {
#ifdef MEM_DEBUG #ifdef MEM_DEBUG
if (offset < alloc.offset/4 || offset >= (alloc.offset + alloc.size)/4) { if (offset < alloc.offset/4 || offset >= (alloc.offset + alloc.size)/4) {
@@ -84,7 +84,7 @@ bool touch_mem(Alloc alloc, uint offset) {
} }
// write_mem writes val to memory at offset. // write_mem writes val to memory at offset.
// Note that offset is in words. // Offset is in words.
void write_mem(Alloc alloc, uint offset, uint val) { void write_mem(Alloc alloc, uint offset, uint val) {
if (!touch_mem(alloc, offset)) { if (!touch_mem(alloc, offset)) {
return; return;
@@ -93,7 +93,7 @@ void write_mem(Alloc alloc, uint offset, uint val) {
} }
// read_mem reads the value from memory at offset. // read_mem reads the value from memory at offset.
// Note that offset is in words. // Offset is in words.
uint read_mem(Alloc alloc, uint offset) { uint read_mem(Alloc alloc, uint offset) {
if (!touch_mem(alloc, offset)) { if (!touch_mem(alloc, offset)) {
return 0; return 0;
@@ -102,8 +102,8 @@ uint read_mem(Alloc alloc, uint offset) {
return v; return v;
} }
// slice_mem returns a sub-allocation inside another. Note that offset and size // slice_mem returns a sub-allocation inside another. Offset and size are in
// are in bytes, relative to a.offset. // bytes, relative to a.offset.
Alloc slice_mem(Alloc a, uint offset, uint size) { Alloc slice_mem(Alloc a, uint offset, uint size) {
#ifdef MEM_DEBUG #ifdef MEM_DEBUG
if ((offset & 3) != 0 || (size & 3) != 0) { if ((offset & 3) != 0 || (size & 3) != 0) {