Initial import of code.

1 files changed, 118 insertions, 0 deletions

diff --git a/tools/render-test/render.h b/tools/render-test/render.h
new file mode 100644
index 000000000..a30bf98f9
--- /dev/null
+++ b/tools/render-test/render.h
@@ -0,0 +1,118 @@
+// render.h
+#pragma once
+
+#include "options.h"
+#include "window.h"
+
+namespace renderer_test {
+
+typedef struct Buffer           Buffer;
+typedef struct InputLayout      InputLayout;
+typedef struct ShaderProgram    ShaderProgram;
+
+struct ShaderCompileRequest
+{
+    struct SourceInfo
+    {
+        char const* path;
+        char const* text;
+    };
+
+    struct EntryPoint
+    {
+        char const* name;
+        char const* profile;
+
+        SourceInfo  source;
+    };
+
+    SourceInfo source;
+    EntryPoint vertexShader;
+    EntryPoint fragmentShader;
+};
+
+class ShaderCompiler
+{
+public:
+    virtual ShaderProgram* compileProgram(ShaderCompileRequest const& request) = 0;
+};
+
+enum class Format
+{
+    Unknown,
+    RGB_Float32,
+};
+
+enum class BufferFlavor
+{
+    Constant,
+    Vertex,
+};
+
+struct BufferDesc
+{
+    UInt            size        = 0;
+    BufferFlavor    flavor      = BufferFlavor::Constant;
+    void const*     initData    = nullptr;
+};
+
+struct InputElementDesc
+{
+    char const* semanticName;
+    UInt        semanticIndex;
+    Format      format;
+    UInt        offset;
+};
+
+enum class MapFlavor
+{
+    WriteDiscard,
+};
+
+enum class PrimitiveTopology
+{
+    TriangleList,
+};
+
+class Renderer
+{
+public:
+    virtual void initialize(void* inWindowHandle) = 0;
+
+    virtual void clearFrame() = 0;
+    virtual void presentFrame() = 0;
+
+    virtual void captureScreenShot(char const* outputPath) = 0;
+
+    virtual Buffer* createBuffer(BufferDesc const& desc) = 0;
+
+    virtual InputLayout* createInputLayout(InputElementDesc const* inputElements, UInt inputElementCount) = 0;
+
+    virtual ShaderCompiler* getShaderCompiler() = 0;
+
+    virtual void* map(Buffer* buffer, MapFlavor flavor) = 0;
+    virtual void unmap(Buffer* buffer) = 0;
+
+    virtual void setInputLayout(InputLayout* inputLayout) = 0;
+    virtual void setPrimitiveTopology(PrimitiveTopology topology) = 0;
+
+    virtual void setVertexBuffers(UInt startSlot, UInt slotCount, Buffer* const* buffers, UInt const* strides, UInt const* offsets) = 0;
+
+    inline void setVertexBuffer(UInt slot, Buffer* buffer, UInt stride, UInt offset = 0)
+    {
+        setVertexBuffers(slot, 1, &buffer, &stride, &offset);
+    }
+
+    virtual void setShaderProgram(ShaderProgram* program) = 0;
+
+    virtual void setConstantBuffers(UInt startSlot, UInt slotCount, Buffer* const* buffers, UInt const* offsets) = 0;
+
+    inline void setConstantBuffer(UInt slot, Buffer* buffer, UInt offset = 0)
+    {
+        setConstantBuffers(slot, 1, &buffer, &offset);
+    }
+
+    virtual void draw(UInt vertexCount, UInt startVertex = 0) = 0;
+};
+
+} // renderer_test