From 38c8fecb81ce2e304edad2829265e15efb39f1e8 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Mon, 4 May 2020 23:08:50 -0400
Subject: [PATCH] gl_rasterizer_cache: Make use of if constexpr in
MortonCopyTile()
A trivial change that allows compilers to more rigorously optimize out
code blocks that will never be executed in some scenarios.
---
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index f5a0efc39..c032ec47f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -174,8 +174,8 @@ static void MortonCopyTile(u32 stride, u8* tile_buffer, u8* gl_buffer) {
for (u32 x = 0; x < 8; ++x) {
u8* tile_ptr = tile_buffer + VideoCore::MortonInterleave(x, y) * bytes_per_pixel;
u8* gl_ptr = gl_buffer + ((7 - y) * stride + x) * gl_bytes_per_pixel;
- if (morton_to_gl) {
- if (format == PixelFormat::D24S8) {
+ if constexpr (morton_to_gl) {
+ if constexpr (format == PixelFormat::D24S8) {
gl_ptr[0] = tile_ptr[3];
std::memcpy(gl_ptr + 1, tile_ptr, 3);
} else if (format == PixelFormat::RGBA8 && GLES) {
@@ -193,7 +193,7 @@ static void MortonCopyTile(u32 stride, u8* tile_buffer, u8* gl_buffer) {
std::memcpy(gl_ptr, tile_ptr, bytes_per_pixel);
}
} else {
- if (format == PixelFormat::D24S8) {
+ if constexpr (format == PixelFormat::D24S8) {
std::memcpy(tile_ptr, gl_ptr + 1, 3);
tile_ptr[3] = gl_ptr[0];
} else {