First Commit

externals/nihstro/examples/assembler/cube/source/gs.h

@@ -0,0 +1,59 @@
+#ifndef GS_H
+#define GS_H
+
+#include <3ds.h>
+#include "math.h"
+
+#define GS_MATRIXSTACK_SIZE (8)
+
+typedef enum
+{
+	GS_PROJECTION = 0,
+	GS_MODELVIEW = 1,
+	GS_MATRIXTYPES
+}GS_MATRIX;
+
+typedef struct
+{
+	u8* data;
+	u32 currentSize; // in bytes
+	u32 maxSize; // in bytes
+	u32 numVertices;
+	u32* commands;
+	u32 commandsSize;
+}gsVbo_s;
+
+
+void gsInit(shaderProgram_s* shader);
+void gsExit(void);
+
+void gsStartFrame(void);
+void gsAdjustBufferMatrices(mtx44 transformation);
+
+void* gsLinearAlloc(size_t size);
+void gsLinearFree(void* mem);
+
+float* gsGetMatrix(GS_MATRIX m);
+int gsLoadMatrix(GS_MATRIX m, float* data);
+int gsPushMatrix();
+int gsPopMatrix();
+int gsMatrixMode(GS_MATRIX m);
+
+void gsLoadIdentity();
+void gsProjectionMatrix(float fovy, float aspect, float near, float far);
+void gsRotateX(float x);
+void gsRotateY(float y);
+void gsRotateZ(float z);
+void gsScale(float x, float y, float z);
+void gsTranslate(float x, float y, float z);
+int gsMultMatrix(float* data);
+
+int gsVboInit(gsVbo_s* vbo);
+int gsVboCreate(gsVbo_s* vbo, u32 size);
+int gsVboFlushData(gsVbo_s* vbo);
+int gsVboDestroy(gsVbo_s* vbo);
+int gsVboDraw(gsVbo_s* vbo);
+void* gsVboGetOffset(gsVbo_s* vbo);
+int gsVboAddData(gsVbo_s* vbo, void* data, u32 size, u32 units);
+
+#endif