enum updates
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Brian Paul
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@ -18,7 +18,7 @@ Version
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Last Modified Date: July 20, 2003
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Author Revision: 1.0
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$Date: 2003/07/23 15:45:25 $ $Revision: 1.2 $
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$Date: 2003/09/23 14:46:11 $ $Revision: 1.3 $
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Number
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@ -50,7 +50,7 @@ Overview
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user to register a callback function with the GL. The callback will
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be called prior to executing each vertex or fragment program instruction.
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From within the callback, the user may issue glGet* commands to
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From within the callback, the user may issue Get* commands to
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query current GL state. The GetProgramRegisterfvMESA function allows
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current program values to be queried (such as temporaries, input
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attributes, and result registers).
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@ -72,8 +72,8 @@ Issues
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1. Is this the right model for a debugger?
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It seems prudent to minimize the scope of this extension and leave
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it up to the developer (or developer community) to write (a)
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debugger(s) that layer on top of this extension.
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it up to the developer (or developer community) to write debuggers
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that layer on top of this extension.
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If the debugger were fully implemented within the GL it's not
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clear how terminal and GUI-based interfaces would work, for
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@ -127,21 +127,21 @@ New Tokens
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Accepted by the <cap> parameter of Enable, Disable, IsEnabled,
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GetBooleanv, GetDoublev, GetFloatv and GetIntegerv:
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FRAGMENT_PROGRAM_CALLBACK_MESA 0x????
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VERTEX_PROGRAM_CALLBACK_MESA 0x????
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FRAGMENT_PROGRAM_CALLBACK_MESA 0x8bb1
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VERTEX_PROGRAM_CALLBACK_MESA 0x8bb4
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Accepted by the <pname> parameter GetBooleanv, GetDoublev,
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GetFloatv and GetIntegerv:
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FRAGMENT_PROGRAM_POSITION_MESA 0x????
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VERTEX_PROGRAM_POSITION_MESA 0x????
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FRAGMENT_PROGRAM_POSITION_MESA 0x8bb0
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VERTEX_PROGRAM_POSITION_MESA 0x8bb4
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Accepted by the <pname> parameter of GetPointerv:
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FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA 0x????
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FRAGMENT_PROGRAM_CALLBACK_DATA_MESA 0x????
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VERTEX_PROGRAM_CALLBACK_FUNC_MESA 0x????
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VERTEX_PROGRAM_CALLBACK_DATA_MESA 0x????
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FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA 0x8bb2
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FRAGMENT_PROGRAM_CALLBACK_DATA_MESA 0x8bb3
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VERTEX_PROGRAM_CALLBACK_FUNC_MESA 0x8bb6
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VERTEX_PROGRAM_CALLBACK_DATA_MESA 0x8bb7
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Additions to Chapter 2 of the OpenGL 1.4 Specification (OpenGL Operation)
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@ -160,7 +160,8 @@ Additions to Chapter 5 of the OpenGL 1.4 Specification (Special Functions)
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In section 5.4 "Display Lists", page 202, add the following command
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to the list of those that are not compiled into display lists:
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ProgramCallbackMESA.
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ProgramCallbackMESA.
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Add a new section 5.7 "Callback Functions"
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@ -170,11 +171,12 @@ Additions to Chapter 5 of the OpenGL 1.4 Specification (Special Functions)
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void ProgramCallbackMESA(enum target, programcallbackMESA callback,
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void *data)
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registers a user-defined callback function with the GL. <target> may
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be FRAGMENT_PROGRAM_ARB or VERTEX_PROGRAM_ARB. Callbacks registered
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with these targets will be called prior to executing each instruction
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in the current fragment or vertex program, respectively. The callbacks
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are enabled and disabled by calling Enable or Disable with <cap>
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registers a user-defined callback function with the GL. <target>
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may be FRAGMENT_PROGRAM_ARB or VERTEX_PROGRAM_ARB. The enabled
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callback functions registered with these targets will be called
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prior to executing each instruction in the current fragment or
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vertex program, respectively. The callbacks are enabled and
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disabled by calling Enable or Disable with <cap>
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FRAGMENT_PROGRAM_ARB or VERTEX_PROGRAM_ARB.
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The callback function's signature must match the typedef
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@ -216,16 +218,15 @@ State Requests)
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float *v)
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Is used to query the value of program variables and registers
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during program execution. GetProgramRegisterMESA may only be
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during program execution. GetProgramRegisterfvMESA may only be
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called from within a callback function registered with
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ProgramCallbackMESA.
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<registerName> and <len> specify the string name of a program
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register (such as "R3"), input attribute (such as "vertex.color"),
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an output attribute (such as "result.texcoord[0]") or a user-
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defined identifier. The current value of that variable is
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returned as four floats in <v>.
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<registerName> and <len> specify the name a variable, input
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attribute, temporary, or result register in the program string.
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The current value of the named variable is returned as four
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values in <v>. If <name> doesn't exist in the program string,
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the error INVALID_OPERATION is generated.
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Additions to Appendix A of the OpenGL 1.4 Specification (Invariance)
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@ -4,27 +4,12 @@ Blocks allocated to Mesa:
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0x8BB0-0x8BBF
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GL_MESA_packed_depth_stencil
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GL_DEPTH_STENCIL_MESA 0x8750
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GL_UNSIGNED_INT_24_8_MESA 0x8751
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GL_UNSIGNED_INT_8_24_REV_MESA 0x8752
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GL_UNSIGNED_SHORT_15_1_MESA 0x8753
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GL_UNSIGNED_SHORT_1_15_REV_MESA 0x8754
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GL_MESA_pack_invert.spec
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GL_PACK_INVERT_MESA 0x8758
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GL_MESA_program_debug.spec:
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GL_FRAGMENT_PROGRAM_CALLBACK_MESA 0x????
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GL_VERTEX_PROGRAM_CALLBACK_MESA 0x????
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GL_FRAGMENT_PROGRAM_POSITION_MESA 0x????
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GL_VERTEX_PROGRAM_POSITION_MESA 0x????
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GL_FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA 0x????
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GL_FRAGMENT_PROGRAM_CALLBACK_DATA_MESA 0x????
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GL_VERTEX_PROGRAM_CALLBACK_FUNC_MESA 0x????
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GL_VERTEX_PROGRAM_CALLBACK_DATA_MESA 0x????
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GL_DEPTH_STENCIL_MESA 0x8750
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GL_UNSIGNED_INT_24_8_MESA 0x8751
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GL_UNSIGNED_INT_8_24_REV_MESA 0x8752
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GL_UNSIGNED_SHORT_15_1_MESA 0x8753
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GL_UNSIGNED_SHORT_1_15_REV_MESA 0x8754
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GL_MESA_trace.spec:
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GL_TRACE_ALL_BITS_MESA 0xFFFF
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@ -38,8 +23,20 @@ GL_MESA_trace.spec:
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GL_TRACE_NAME_MESA 0x8756
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MESA_ycbcr_texture.spec:
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GL_YCBCR_MESA 0x8757
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GL_UNSIGNED_SHORT_8_8_MESA 0x85BA /* same as Apple's */
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GL_UNSIGNED_SHORT_8_8_REV_MESA 0x85BB /* same as Apple's */
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GL_YCBCR_MESA 0x8757
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GL_UNSIGNED_SHORT_8_8_MESA 0x85BA /* same as Apple's */
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GL_UNSIGNED_SHORT_8_8_REV_MESA 0x85BB /* same as Apple's */
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GL_MESA_pack_invert.spec
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GL_PACK_INVERT_MESA 0x8758
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GL_MESA_program_debug.spec:
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GL_FRAGMENT_PROGRAM_CALLBACK_MESA 0x????
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GL_VERTEX_PROGRAM_CALLBACK_MESA 0x????
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GL_FRAGMENT_PROGRAM_POSITION_MESA 0x????
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GL_VERTEX_PROGRAM_POSITION_MESA 0x????
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GL_FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA 0x????
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GL_FRAGMENT_PROGRAM_CALLBACK_DATA_MESA 0x????
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GL_VERTEX_PROGRAM_CALLBACK_FUNC_MESA 0x????
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GL_VERTEX_PROGRAM_CALLBACK_DATA_MESA 0x????
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