-#define RECT_VERT \
- "#version 140\n"\
- "#extension GL_ARB_shading_language_420pack : require\n"\
- "#extension GL_ARB_explicit_attrib_location : require\n"\
- "\n"\
- "layout(std140, binding=0) uniform ViewBounds\n"\
- "{\n"\
- "\tfloat bounds_x;\n"\
- "\tfloat bounds_y;\n"\
- "\tfloat bounds_w;\n"\
- "\tfloat bounds_h;\n"\
- "};\n"\
- "\n"\
- "layout(location = 0) in vec2 position;\n"\
- "\n"\
- "void main()\n"\
- "{\n"\
- "\tvec2 transformed_position;\n"\
- "\ttransformed_position.x = (position.x - bounds_x) / bounds_w;\n"\
- "\ttransformed_position.y = (position.y - bounds_y) / bounds_h;\n"\
- "\t// Transform to clip coordinates (-1,1, -1,1).\n"\
- "\tgl_Position.x = (transformed_position.x*2) - 1;\n"\
- "\tgl_Position.y = 1 - (transformed_position.y*2);\n"\
- "\tgl_Position.z = 0.0;\n"\
- "\tgl_Position.w = 1.0;\n"\
- "}\n"
-
-#define RECT_FRAG \
- "#version 140\n"\
- "\n"\
- "out vec4 output_colour;\n"\
- "\n"\
- "uniform vec4 colour;\n"\
- "\n"\
- "void main()\n"\
- "{\n"\
- "\toutput_colour = colour;\n"\
- "}\n"
-
-#define RECT_OUTLINE_GEOM \
- "#version 150\n"\
- "\n"\
- "layout(lines) in;\n"\
- "layout(line_strip, max_vertices = 5) out;\n"\
- "\n"\
- "void main()\n"\
- "{\n"\
- "\tgl_Position = gl_in[0].gl_Position;\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = vec4(gl_in[0].gl_Position.x, gl_in[1].gl_Position.y, 0.0, 1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = gl_in[1].gl_Position;\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = vec4(gl_in[1].gl_Position.x, gl_in[0].gl_Position.y, 0.0, 1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = gl_in[0].gl_Position;\n"\
- "\tEmitVertex();\n"\
- "\tEndPrimitive();\n"\
- "}\n"
-
-#define RECT_FILLED_GEOM \
- "#version 150\n"\
- "\n"\
- "layout(lines) in;\n"\
- "layout(triangle_strip, max_vertices = 4) out;\n"\
- "\n"\
- "void main()\n"\
- "{\n"\
- "\tgl_Position = gl_in[0].gl_Position;\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = vec4(gl_in[0].gl_Position.x, gl_in[1].gl_Position.y, 0.0, 1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = vec4(gl_in[1].gl_Position.x, gl_in[0].gl_Position.y, 0.0, 1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = gl_in[1].gl_Position;\n"\
- "\tEmitVertex();\n"\
- "\tEndPrimitive();\n"\
- "}\n"
-
-#define CIRCLE_FILLED_GEOM \
- "#version 150\n"\
- "\n"\
- "layout(lines) in;\n"\
- "layout(triangle_strip, max_vertices = 4) out;\n"\
- "out vec2 objcoords;\n"\
- "\n"\
- "void main()\n"\
- "{\n"\
- "\tgl_Position = gl_in[0].gl_Position;\n"\
- "\tobjcoords = vec2(-1.0, -1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = vec4(gl_in[0].gl_Position.x, gl_in[1].gl_Position.y, 0.0, 1.0);\n"\
- "\tobjcoords = vec2(-1.0, 1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = vec4(gl_in[1].gl_Position.x, gl_in[0].gl_Position.y, 0.0, 1.0);\n"\
- "\tobjcoords = vec2(1.0, -1.0);\n"\
- "\tEmitVertex();\n"\
- "\tgl_Position = gl_in[1].gl_Position;\n"\
- "\tobjcoords = vec2(1.0, 1.0);\n"\
- "\tEmitVertex();\n"\
- "\tEndPrimitive();\n"\
- "}\n"
-
-#define CIRCLE_FRAG \
- "#version 140\n"\
- "\n"\
- "in vec2 objcoords;\n"\
- "out vec4 output_colour;\n"\
- "\n"\
- "uniform vec4 colour;\n"\
- "\n"\
- "void main()\n"\
- "{\n"\
- "\tif ((objcoords.x)*(objcoords.x) + (objcoords.y)*(objcoords.y) > 1.0)\n"\
- "\t{\n"\
- "\t\tdiscard;\n"\
- "\t}\n"\
- "\toutput_colour = colour;\n"\
- "}\n"