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Added _mesa_realloc_instructions() utility function.

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Fixed/updated comments for parameter list functions.
This commit is contained in:
Brian Paul
2006-08-24 21:57:36 +00:00
parent a5f2206077
commit 3b9b8de9b0
2 changed files with 38 additions and 2 deletions
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36
src/mesa/shader/program.c
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@@ -419,7 +419,10 @@ _mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
/**
* Add a new unnamed constant to the parameter list.
* Add a new named constant to the parameter list.
* This will be used when the program contains something like this:
* PARAM myVals = { 0, 1, 2, 3 };
*
* \param paramList - the parameter list
* \param values - four float values
* \return index of the new parameter.
@@ -434,6 +437,9 @@ _mesa_add_named_constant(struct gl_program_parameter_list *paramList,
/**
* Add a new unnamed constant to the parameter list.
* This will be used when the program contains something like this:
* MOV r, { 0, 1, 2, 3 };
*
* \param paramList - the parameter list
* \param values - four float values
* \return index of the new parameter.
@@ -448,9 +454,11 @@ _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
/**
* Add a new state reference to the parameter list.
* This will be used when the program contains something like this:
* PARAM ambient = state.material.front.ambient;
*
* \param paramList - the parameter list
* \param state - an array of 6 state tokens
*
* \return index of the new parameter.
*/
GLint
@@ -1304,6 +1312,30 @@ _mesa_init_instruction(struct prog_instruction *inst)
}
/**
* Reallocate memory storing an array of program instructions.
* This is used when we need to append additional instructions onto an
* program.
* \param oldInst pointer to first of old/src instructions
* \param numOldInst number of instructions at <oldInst>
* \param numNewInst desired size of new instruction array.
* \return pointer to start of new instruction array.
*/
struct prog_instruction *
_mesa_realloc_instructions(struct prog_instruction *oldInst,
GLuint numOldInst, GLuint numNewInst)
{
struct prog_instruction *newInst;
newInst = (struct prog_instruction *)
_mesa_realloc(oldInst,
numOldInst * sizeof(struct prog_instruction),
numNewInst * sizeof(struct prog_instruction));
return newInst;
}
/**
* Basic info about each instruction
*/