[ICEs.git] / 225977 / texenvprogram.i.3

struct gl_fragment_program_state {
	unsigned char _Enabled;
	struct gl_fragment_program *_TexEnvProgram;
};
struct gl_shader_state {
	struct gl_shader_program *CurrentProgram;
};
struct gl_constants {
	unsigned int MaxTextureUnits;
} GLvertexformat;
typedef struct {
	struct gl_constants Const;
	struct gl_fragment_program_state FragmentProgram;
	struct gl_shader_state Shader;
} GLcontext;
struct mode_opt {
};
struct state_key {
	unsigned int enabled_units;
	struct {
		unsigned int NumArgsRGB:2;
		unsigned int ModeRGB:4;
		struct mode_opt OptRGB[3];
		unsigned int ModeA:4;
	} unit[8];
};
struct ureg {
	unsigned int file:4;
	unsigned int idx:8;
};
struct texenv_fragment_program {
	struct ureg src_previous;
};
static struct ureg emit_combine(struct texenv_fragment_program *p,
				struct ureg dest, unsigned int mask,
				unsigned char saturate, unsigned int unit,
				unsigned int nr, unsigned int mode,
				const struct mode_opt *opt)
{
	struct ureg src[3];
	switch (mode) {
	case 6:{
			struct ureg tmp0;
			struct ureg neg1;
			struct ureg two;
			emit_arith(p, 0, tmp0, 0xf, 0, two, src[0], neg1);
		}
	}
}
static struct ureg emit_texenv(struct texenv_fragment_program *p,
			       unsigned int unit)
{
	struct state_key *key;
	unsigned char saturate;
	struct ureg out;
	struct ureg dest;
	if (key->unit[unit].ModeRGB == key->unit[unit].ModeA
	    && args_match(key, unit))
		out =
		    emit_combine(p, dest, 0xf, saturate, unit,
				 key->unit[unit].NumArgsRGB,
				 key->unit[unit].ModeRGB,
				 key->unit[unit].OptRGB);
}
static void create_new_program(GLcontext * ctx, struct state_key *key,
			       struct gl_fragment_program *program)
{
	struct texenv_fragment_program p;
	unsigned int unit;
	for (; unit < ctx->Const.MaxTextureUnits; ++unit)
		p.src_previous = emit_texenv(&p, unit);
}

_mesa_UpdateTexEnvProgram()
{
	GLcontext *ctx;
	struct state_key key;
	if (!ctx->FragmentProgram._Enabled)
		if (!ctx->Shader.CurrentProgram)
		if (!ctx->FragmentProgram._TexEnvProgram)
			create_new_program(ctx, &key,
					   ctx->FragmentProgram._TexEnvProgram);
}
Commit	Line	Data
	1	struct gl_fragment_program_state {
	2	unsigned char _Enabled;
	3	struct gl_fragment_program *_TexEnvProgram;
	4	};
	5	struct gl_shader_state {
	6	struct gl_shader_program *CurrentProgram;
	7	};
	8	struct gl_constants {
	9	unsigned int MaxTextureUnits;
	10	} GLvertexformat;
	11	typedef struct {
	12	struct gl_constants Const;
	13	struct gl_fragment_program_state FragmentProgram;
	14	struct gl_shader_state Shader;
	15	} GLcontext;
	16	struct mode_opt {
	17	};
	18	struct state_key {
	19	unsigned int enabled_units;
	20	struct {
	21	unsigned int NumArgsRGB:2;
	22	unsigned int ModeRGB:4;
	23	struct mode_opt OptRGB[3];
	24	unsigned int ModeA:4;
	25	} unit[8];
	26	};
	27	struct ureg {
	28	unsigned int file:4;
	29	unsigned int idx:8;
	30	};
	31	struct texenv_fragment_program {
	32	struct ureg src_previous;
	33	};
	34	static struct ureg emit_combine(struct texenv_fragment_program *p,
	35	struct ureg dest, unsigned int mask,
	36	unsigned char saturate, unsigned int unit,
	37	unsigned int nr, unsigned int mode,
	38	const struct mode_opt *opt)
	39	{
	40	struct ureg src[3];
	41	switch (mode) {
	42	case 6:{
	43	struct ureg tmp0;
	44	struct ureg neg1;
	45	struct ureg two;
	46	emit_arith(p, 0, tmp0, 0xf, 0, two, src[0], neg1);
	47	}
	48	}
	49	}
	50	static struct ureg emit_texenv(struct texenv_fragment_program *p,
	51	unsigned int unit)
	52	{
	53	struct state_key *key;
	54	unsigned char saturate;
	55	struct ureg out;
	56	struct ureg dest;
	57	if (key->unit[unit].ModeRGB == key->unit[unit].ModeA
	58	&& args_match(key, unit))
	59	out =
	60	emit_combine(p, dest, 0xf, saturate, unit,
	61	key->unit[unit].NumArgsRGB,
	62	key->unit[unit].ModeRGB,
	63	key->unit[unit].OptRGB);
	64	}
	65	static void create_new_program(GLcontext * ctx, struct state_key *key,
	66	struct gl_fragment_program *program)
	67	{
	68	struct texenv_fragment_program p;
	69	unsigned int unit;
	70	for (; unit < ctx->Const.MaxTextureUnits; ++unit)
	71	p.src_previous = emit_texenv(&p, unit);
	72	}
	73
	74	_mesa_UpdateTexEnvProgram()
	75	{
	76	GLcontext *ctx;
	77	struct state_key key;
	78	if (!ctx->FragmentProgram._Enabled)
	79	if (!ctx->Shader.CurrentProgram)
	80	if (!ctx->FragmentProgram._TexEnvProgram)
	81	create_new_program(ctx, &key,
	82	ctx->FragmentProgram._TexEnvProgram);
	83	}