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Diffstat (limited to 'src/osd/modules/render/bgfx/valueuniformreader.cpp')
-rw-r--r--src/osd/modules/render/bgfx/valueuniformreader.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/osd/modules/render/bgfx/valueuniformreader.cpp b/src/osd/modules/render/bgfx/valueuniformreader.cpp
new file mode 100644
index 00000000000..37d6cc32fc5
--- /dev/null
+++ b/src/osd/modules/render/bgfx/valueuniformreader.cpp
@@ -0,0 +1,40 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+//==================================================================
+//
+// valueuniformreader.cpp - BGFX chain entry value mapper reader
+//
+//==================================================================
+
+#include "valueuniformreader.h"
+
+#include "entryuniform.h"
+#include "valueuniform.h"
+
+bgfx_entry_uniform* value_uniform_reader::read_from_value(const Value& value, bgfx_uniform* uniform)
+{
+ validate_parameters(value);
+
+ float values[4];
+ int count = 1;
+ if (value["value"].IsNumber())
+ {
+ values[0] = float(value["value"].GetDouble());
+ }
+ else
+ {
+ const Value& value_array = value["value"];
+ count = int(value_array.Size());
+ for (int i = 0; i < count; i++)
+ {
+ values[i] = float(value_array[i].GetDouble());
+ }
+ }
+ return new bgfx_value_uniform(uniform, values, count);
+}
+
+void value_uniform_reader::validate_parameters(const Value& value)
+{
+ assert(value.HasMember("value"));
+ assert(value["value"].IsArray() || value["value"].IsNumber());
+}