gnu.x11.extension.glx.GLX Maven / Gradle / Ivy
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package gnu.x11.extension.glx;
import gnu.x11.Data;
import gnu.x11.Display;
import gnu.x11.RequestOutputStream;
import gnu.x11.ResponseInputStream;
/**
* OpenGL GLX Extension. The specification can be found here (protocol).
*
* Note XFree86 4.0.x only implements GLX 1.2 instead GLX 1.3.
*/
public class GLX extends gnu.x11.extension.Extension
implements gnu.x11.extension.ErrorFactory,
gnu.x11.extension.EventFactory {
public static final String [] MINOR_OPCODE_STRINGS = {
// GLX commands
"", // 0
"Render", // 1
"RenderLarge", // 2
"CreateContext", // 3
"DestroyContext", // 4
"MakeCurrent", // 5
"IsDirect", // 6
"QueryVersion", // 7
"WaitGL", // 8
"WaitX", // 9
"CopyContext", // 10
"SwapBuffers", // 11
"UseXFont", // 12
"CreateGLXPixmap", // 13
"GetVisualConfigs", // 14
"DestroyGLXPixmap", // 15
"VendorPrivate", // 16
"VendorPrivateWithReply", // 17
"QueryExtensionsString", // 18
"QueryServerString", // 19
"ClientInfo", // 20
"GetFBConfigs", // 21
"CreatePixmap", // 22
"DestroyPixmap", // 23
"CreateNewContext", // 24
"QueryContext", // 25
"MakeContextCurrent", // 26
"CreatePbuffer", // 27
"DestroyPbuffer", // 28
"GetDrawableAttributes", // 29
"ChangeDrawableAttributes", // 30
"CreateWindow", // 31
"DestroyWindow", // 32
"", // 33
"", // 34
"", // 35
"", // 36
"", // 37
"", // 38
"", // 39
"", // 40
"", // 41
"", // 42
"", // 43
"", // 44
"", // 45
"", // 46
"", // 47
"", // 48
"", // 49
"", // 50
"", // 51
"", // 52
"", // 53
"", // 54
"", // 55
"", // 56
"", // 57
"", // 58
"", // 59
"", // 60
"", // 61
"", // 62
"", // 63
"", // 64
"", // 65
"", // 66
"", // 67
"", // 68
"", // 69
"", // 70
"", // 71
"", // 72
"", // 73
"", // 74
"", // 75
"", // 76
"", // 77
"", // 78
"", // 79
"", // 80
"", // 81
"", // 82
"", // 83
"", // 84
"", // 85
"", // 86
"", // 87
"", // 88
"", // 89
"", // 90
"", // 91
"", // 92
"", // 93
"", // 94
"", // 95
"", // 96
"", // 97
"", // 98
"", // 99
"", // 100
// GL non-rendering commands
"NewList", // 101
"EndList", // 102
"DeleteLists", // 103
"GenLists", // 104
"FeedbackBuffer", // 105
"SelectBuffer", // 106
"RenderMode", // 107
"Finish", // 108
"PixelStoref", // 109
"PixelStorei", // 110
"ReadPixels", // 111
"GetBooleanv", // 112
"GetClipPlane", // 113
"GetDoublev", // 114
"GetError", // 115
"GetFloatv", // 116
"GetIntegerv", // 117
"GetLightfv", // 118
"GetLightiv", // 119
"GetMapdv", // 120
"GetMapfv", // 121
"GetMapiv", // 122
"GetMaterialfv", // 123
"GetMaterialiv", // 124
"GetPixelMapfv", // 125
"GetPixelMapuiv", // 126
"GetPixelMapusv", // 127
"GetPolygonStipple", // 128
"GetString", // 129
"GetTexEnvfv", // 130
"GetTexEnviv", // 131
"GetTexGendv", // 132
"GetTexGenfv", // 133
"GetTexGeniv", // 134
"GetTexImage", // 135
"GetTexParameterfv", // 136
"GetTexParameteriv", // 137
"GetTexLevelParameterfv", // 138
"GetTexLevelParameteriv", // 139
"IsEnabled", // 140
"IsList", // 141
"Flush", // 142
"AreTexturesResident", // 143
"DeleteTextures", // 144
"GenTextures", // 145
"IsTexture", // 146
"GetColorTable", // 147
"GetColorTableParameterfv", // 148
"GetColorTableParameteriv", // 149
"GetConvolutionFilter", // 150
"GetConvolutionParameterfv", // 151
"GetConvolutionParameteriv", // 152
"GetSeparableFilter", // 153
"GetHistogram", // 154
"GetHistogramParameterfv", // 155
"GetHistogramParameteriv", // 156
"GetMinmax", // 157
"GetMinmaxParameterfv", // 158
"GetMinmaxParameteriv", // 159
};
public static final int CLIENT_MAJOR_VERSION = 1;
public static final int CLIENT_MINOR_VERSION = 2;
public int server_major_version, server_minor_version;
private VisualConfig [] [] visual_configs_cache;
// glx opcode 7 - get version
/**
* @see glXQueryVersion
*/
public GLX (gnu.x11.Display display)
throws gnu.x11.extension.NotFoundException {
super (display, "GLX", MINOR_OPCODE_STRINGS, 13, 1);
RequestOutputStream o = display.out;
synchronized (o) {
o.begin_request (major_opcode, 7, 3);
o.write_int32 (CLIENT_MAJOR_VERSION);
o.write_int32 (CLIENT_MINOR_VERSION);
ResponseInputStream i = display.in;
synchronized (i) {
i.read_reply(o);
i.skip (8);
server_major_version = i.read_int32 ();
server_minor_version = i.read_int32 ();
i.skip (16);
}
}
send_client_info ();
visual_configs_cache = new VisualConfig [display.screens.length] [];
}
// glx opcode 14 - get visual configs
public VisualConfig [] visual_configs (int screen_no) {
if (visual_configs_cache [screen_no] != null)
return visual_configs_cache [screen_no];
RequestOutputStream o = display.out;
VisualConfig [] vcs;
synchronized (o) {
o.begin_request (major_opcode, 14, 2);
o.write_int32 (screen_no);
ResponseInputStream i = display.in;
synchronized (i) {
i.read_reply(o);
i.skip (4);
int n = i.read_int32 ();
int visual_count = i.read_int32 ();
int property_count = (i.read_int32 () - 18) / 2;
i.skip (16);
assert n == visual_count * property_count;
vcs = new VisualConfig [visual_count];
for (int index = 0; index < visual_count; index++) {
vcs [index] = new VisualConfig (i, property_count);
}
visual_configs_cache [screen_no] = vcs;
}
}
return vcs;
}
public final static int VENDOR = 0x1;
public final static int VERSION = 0x2;
public final static int EXTENSIONS = 0x3;
// glx opcode 19 - query server string
/**
* @param name valid:
* {@link #VENDOR},
* {@link #VERSION},
* {@link #EXTENSIONS}
*
* @see glXQueryServerString
*/
public String server_string (int screen_no, int name) {
String server_string;
RequestOutputStream o = display.out;
synchronized (o) {
o.begin_request (major_opcode, 19, 3);
o.write_int32 (screen_no);
o.write_int32 (name);
ResponseInputStream i = display.in;
synchronized (i) {
i.read_reply (o);
i.skip (12);
int len = i.read_int32 ();
i.skip (16);
server_string = i.read_string8 (len);
i.pad (len);
}
}
return server_string;
}
// TODO
private static final String CLIENT_EXTENSION_STRING =
"GL_EXT_abgr"
+ " GL_EXT_blend_color"
+ " GL_EXT_blend_func_separate"
+ " GL_EXT_blend_logic_op"
+ " GL_EXT_blend_minmax"
+ " GL_EXT_blend_subtract";
// GL_ARB_multitexture
// GL_ARB_texture_cube_map
// GL_ARB_tranpose_matrix
// GL_EXT_clip_volume_hint
// GL_EXT_compiled_vertex_array
// GL_EXT_histogram
// GL_EXT_packed_pixels
// GL_EXT_paletted_texture
// GL_EXT_point_parameters
// GL_EXT_polygon_offset
// GL_EXT_rescale_normal
// GL_EXT_shared_texture_palette
// GL_EXT_stencil_wrap
// GL_EXT_texture3D
// GL_EXT_texture_env_add
// GL_EXT_texture_env_combine
// GL_EXT_texture_object
// GL_EXT_texture_lod_bias
// GL_EXT_vertex_array
// GL_HP_occlusion_test
// GL_INGR_blend_func_separate
// GL_MESA_window_pos
// GL_MESA_resize_buffers
// GL_NV_texgen_reflection
// GL_PGI_misc_hints
// GL_SGI_color_matrix
// GL_SGI_color_table
// GL_SGIS_pixel_texture
// GL_SGIS_texture_edge_clamp
// GL_SGIX_pixel_texture
// glx opcode 20 - client info
private void send_client_info () {
RequestOutputStream o = display.out;
synchronized (o) {
int n = CLIENT_EXTENSION_STRING.length ();
int p = RequestOutputStream.pad (n);
o.begin_request (major_opcode, 20, 4 + (n + p) / 4);
o.write_int32 (CLIENT_MAJOR_VERSION);
o.write_int32 (CLIENT_MINOR_VERSION);
o.write_int32 (CLIENT_EXTENSION_STRING.length ());
o.write_string8 (CLIENT_EXTENSION_STRING);
o.skip (p);
o.send ();
}
}
// glx opcode 21 - get fb configs
public int[] fb_configs (int screen_no) { // TODO 1.3
int[] props;
RequestOutputStream o = display.out;
synchronized (o) {
o.begin_request (major_opcode, 21, 2);
o.write_int32 (screen_no);
ResponseInputStream i = display.in;
synchronized (i) {
i.skip (4);
int n = i.read_int32 ();
// TODO: Build more useful object from this data.
int num_fb_configs = i.read_int32 ();
int num_props = i.read_int32 ();
i.skip (16);
props = new int[n];
for (int idx = 0; idx < n; idx++) {
props[idx] = i.read_int32 ();
}
}
}
return props;
}
/**
* @see GL#GL(GLX, int, int, GL)
*/
public GL create_context (int visual_id, int screen_no, GL share_list) {
return new GL (this, visual_id, screen_no, share_list, true);
}
public gnu.x11.Error build (Display display, int code, int seq_no, int bad,
int minor_opcode, int major_opcode) {
return new Error (display, code - first_error, seq_no, bad, minor_opcode,
major_opcode);
}
public gnu.x11.event.Event build (Display display,
ResponseInputStream i, int code) {
// only one extension event
return new PbufferClobberEvent (display, i);
}
/**
* @see #visual_config(int, VisualConfig, boolean)
*/
public VisualConfig visual_config (VisualConfig template) {
return visual_config (display.default_screen_no, template, true);
}
/**
* @see glXChooseVisual
*/
public VisualConfig visual_config (int screen_no,
VisualConfig template, boolean must) {
VisualConfig [] vcs = visual_configs (screen_no);
for (int i=0; i= minor;
}
}