From 346012f29e244489681d2cdf2cf6291d04fbed33 Mon Sep 17 00:00:00 2001
From: Tony Wasserka <NeoBrainX@gmail.com>
Date: Tue, 16 Dec 2014 00:01:08 +0100
Subject: [PATCH] Pica/CommandProcessor: Add a safety check for invalid (?) GPU
configurations.
---
src/video_core/command_processor.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp
index d4559fad6..d8bddd569 100644
--- a/src/video_core/command_processor.cpp
+++ b/src/video_core/command_processor.cpp
@@ -110,6 +110,13 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
for (int i = 0; i < attribute_config.GetNumTotalAttributes(); ++i) {
for (unsigned int comp = 0; comp < vertex_attribute_elements[i]; ++comp) {
const u8* srcdata = Memory::GetPointer(PAddrToVAddr(vertex_attribute_sources[i] + vertex_attribute_strides[i] * vertex + comp * vertex_attribute_element_size[i]));
+
+ // TODO(neobrain): Ocarina of Time 3D has GetNumTotalAttributes return 8,
+ // yet only provides 2 valid source data addresses. Need to figure out
+ // what's wrong there, until then we just continue when address lookup fails
+ if (srcdata == nullptr)
+ continue;
+
const float srcval = (vertex_attribute_formats[i] == 0) ? *(s8*)srcdata :
(vertex_attribute_formats[i] == 1) ? *(u8*)srcdata :
(vertex_attribute_formats[i] == 2) ? *(s16*)srcdata :