public ImmediateModeQuads(GraphicsContextAlpha gl, uint max_quads, params VertexFormat[] formats)
{
int num = Math.Log2((int)(max_quads * 4u));
if (1L << (num & 31) < (long)((ulong)(max_quads * 4u)))
{
num++;
}
max_quads = (1u << num) / 4u;
this.m_max_quads = max_quads;
ushort[] array = new ushort[this.m_max_quads * 6u];
ushort[] array2 = new ushort[]
{
0,
1,
3,
0,
3,
2
};
int i = 0;
int num2 = 0;
while (i < (int)max_quads)
{
Common.Assert(num2 + 6 <= array.Length);
for (int j = 0; j < 6; j++)
{
//array[num2++] = (ushort)(i * 4 + (int)array2[j]); //FIXME: overflow
array[num2++] = (ushort)((i * 4 + (int)array2[j]) & 0xffff);
}
i++;
}
this.m_imm = new ImmediateMode <T>(gl, max_quads * 4u, array, 4, 6, formats);
}
public Camera3D(GraphicsContextAlpha gl, DrawHelpers draw_helpers)
{
this.GL = gl;
this.m_draw_helpers = draw_helpers;
this.m_push_depth = 0;
this.Frustum = new Frustum();
}
public SpriteRenderer(GraphicsContextAlpha gl, uint max_sprites)
{
this.GL = gl;
this.m_imm_quads = new ImmediateModeQuads <Vector4>(this.GL, max_sprites, new VertexFormat[]
{
(VertexFormat)259
});
Texture2D texture2D = EmbeddedDebugFontData.CreateTexture();
this.m_embedded_font_texture_info = new TextureInfo();
this.m_embedded_font_texture_info.Initialize(texture2D, new Vector2i(EmbeddedDebugFontData.NumChars, 1), new TRS(new Bounds2(new Vector2(0f, 0f), new Vector2((float)(EmbeddedDebugFontData.CharSizei.X * EmbeddedDebugFontData.NumChars) / (float)texture2D.Width, (float)EmbeddedDebugFontData.CharSizei.Y / (float)texture2D.Height))));
}
public GraphicsContextAlpha(GraphicsContext context = null)
{
this.m_context = context;
this.m_context_must_be_disposed = false;
if (this.m_context == null)
{
this.m_context = new GraphicsContext();
this.m_context_must_be_disposed = true;
}
this.ModelMatrix = new MatrixStack(16u);
this.ViewMatrix = new MatrixStack(16u);
this.ProjectionMatrix = new MatrixStack(8u);
this.m_white_texture = GraphicsContextAlpha.CreateTextureUnicolor(4294967295u);
this.m_white_texture_info = new TextureInfo(this.m_white_texture);
this.DebugStats = new GraphicsContextAlpha.DebugStats_();
}
public Camera2D(GraphicsContextAlpha gl, DrawHelpers draw_helpers)
{
this.GL = gl;
this.m_draw_helpers = draw_helpers;
this.m_data.m_support_scale = 1f;
this.m_data.m_support_unit_vec = Math._01;
this.m_data.m_support_is_y = true;
this.m_data.m_center = Math._00;
this.m_data.m_aspect = 1f;
this.m_data.m_znear = -1f;
this.m_data.m_zfar = 1f;
this.m_push_depth = 0;
this.m_prev_touch_state = false;
this.m_touch_state = false;
this.m_drag_mode = 0;
this.m_drag_start_pos = Math._00;
}
public DrawHelpers(GraphicsContextAlpha gl, uint max_vertices)
{
this.GL = gl;
this.m_shader_program = Common.CreateShaderProgram("cg/default.cgx");
this.m_shader_program.SetUniformBinding(0, "MVP");
this.m_shader_program.SetAttributeBinding(0, "p");
this.m_shader_program.SetAttributeBinding(1, "vin_color");
this.m_current_color = Colors.Magenta;
this.m_shader_depth = 0u;
this.m_view_matrix_tag = 4294967295u;
this.m_model_matrix_tag = 4294967295u;
this.m_projection_matrix_tag = 4294967295u;
this.m_imm = new ImmediateMode <DrawHelpers.Vertex>(gl, max_vertices, null, 0, 0, new VertexFormat[]
{
(VertexFormat)259,
(VertexFormat)259
});
}
public ImmediateMode(GraphicsContextAlpha gl, uint max_vertices, ushort[] indices, int vertices_per_primitive, int indices_per_primitive, params VertexFormat[] formats)
{
this.GL = gl;
this.m_max_vertices = max_vertices;
this.m_vertices_per_primitive = vertices_per_primitive;
this.m_indices_per_primitive = indices_per_primitive;
this.m_vertices_tmp = new T[this.m_max_vertices];
this.m_frame_count = 4294967295u;
this.m_pos = 0u;
if (indices != null)
{
this.m_max_indices = (uint)indices.Length;
Common.Assert(this.m_vertices_per_primitive != 0);
Common.Assert(this.m_indices_per_primitive != 0);
Common.Assert((ulong)this.m_max_vertices / (ulong)((long)this.m_vertices_per_primitive) * (ulong)((long)this.m_vertices_per_primitive) == (ulong)this.m_max_vertices);
Common.Assert((ulong)this.m_max_indices / (ulong)((long)this.m_indices_per_primitive) * (ulong)((long)this.m_indices_per_primitive) == (ulong)this.m_max_indices);
Common.Assert((ulong)this.m_max_vertices / (ulong)((long)this.m_vertices_per_primitive) == (ulong)this.m_max_indices / (ulong)((long)this.m_indices_per_primitive));
}
else
{
this.m_max_indices = 0u;
}
this.m_vbuf_pool = new VertexBufferPool(indices, this.m_vertices_per_primitive, this.m_indices_per_primitive, formats);
}