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-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog.c2
-rw-r--r--src/mesa/drivers/dri/r300/r300_vertprog.c9
-rw-r--r--src/mesa/shader/program.c14
-rw-r--r--src/mesa/shader/program.h3
4 files changed, 23 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index e05abdb7c61..251fd260821 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -1853,7 +1853,7 @@ static void insert_wpos(struct gl_program *prog)
fpi[i].SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
i++;
- _mesa_memcpy(&fpi[i], prog->Instructions, prog->NumInstructions * sizeof(struct prog_instruction));
+ _mesa_copy_instructions (&fpi[i], prog->Instructions, prog->NumInstructions);
free(prog->Instructions);
diff --git a/src/mesa/drivers/dri/r300/r300_vertprog.c b/src/mesa/drivers/dri/r300/r300_vertprog.c
index 0c43270d757..092ebb1140e 100644
--- a/src/mesa/drivers/dri/r300/r300_vertprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertprog.c
@@ -946,7 +946,7 @@ static void position_invariant(struct gl_program *prog)
#endif
}
- _mesa_memcpy(&vpi[i], prog->Instructions, prog->NumInstructions * sizeof(struct prog_instruction));
+ _mesa_copy_instructions (&vpi[i], prog->Instructions, prog->NumInstructions);
free(prog->Instructions);
@@ -969,10 +969,11 @@ static void insert_wpos(struct r300_vertex_program *vp,
vpi = _mesa_alloc_instructions (prog->NumInstructions + 2);
_mesa_init_instructions (vpi, prog->NumInstructions + 2);
/* all but END */
- _mesa_memcpy(vpi, prog->Instructions, (prog->NumInstructions - 1) * sizeof(struct prog_instruction));
+ _mesa_copy_instructions (vpi, prog->Instructions, prog->NumInstructions - 1);
/* END */
- _mesa_memcpy(&vpi[prog->NumInstructions + 1], &prog->Instructions[prog->NumInstructions - 1],
- sizeof(struct prog_instruction));
+ _mesa_copy_instructions (&vpi[prog->NumInstructions + 1],
+ &prog->Instructions[prog->NumInstructions - 1],
+ 1);
vpi_insert = &vpi[prog->NumInstructions - 1];
vpi_insert[i].Opcode = OPCODE_MOV;
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 490f9194457..3d5f648191a 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -1480,6 +1480,20 @@ _mesa_realloc_instructions(struct prog_instruction *oldInst,
return newInst;
}
+/**
+ * Copy an narray of program instructions.
+ * \param dest pointer to destination.
+ * \param src pointer to source.
+ * \param n number of instructions to copy.
+ * \return pointer to destination.
+ */
+struct prog_instruction *
+_mesa_copy_instructions(struct prog_instruction *dest,
+ const struct prog_instruction *src, GLuint n)
+{
+ return _mesa_memcpy (dest, src, n * sizeof (struct prog_instruction));
+}
+
/**
* Basic info about each instruction
diff --git a/src/mesa/shader/program.h b/src/mesa/shader/program.h
index 5b5d134f6da..6f5013df358 100644
--- a/src/mesa/shader/program.h
+++ b/src/mesa/shader/program.h
@@ -128,6 +128,9 @@ extern struct prog_instruction *
_mesa_realloc_instructions(struct prog_instruction *oldInst,
GLuint numOldInst, GLuint numNewInst);
+extern struct prog_instruction *
+_mesa_copy_instructions(struct prog_instruction *dest,
+ const struct prog_instruction *src, GLuint n);
/**
* Used for describing GL state referenced from inside ARB vertex and