GLuint NumArgsA:3; /**< up to MAX_COMBINER_TERMS */
GLuint ModeA:5; /**< MODE_x */
+ GLuint texture_cyl_wrap:1; /**< For gallium test/debug only */
+
struct mode_opt OptRGB[MAX_COMBINER_TERMS];
struct mode_opt OptA[MAX_COMBINER_TERMS];
} unit[MAX_TEXTURE_UNITS];
}
+/**
+ * Do we need to clamp the results of the given texture env/combine mode?
+ * If the inputs to the mode are in [0,1] we don't always have to clamp
+ * the results.
+ */
+static GLboolean
+need_saturate( GLuint mode )
+{
+ switch (mode) {
+ case MODE_REPLACE:
+ case MODE_MODULATE:
+ case MODE_INTERPOLATE:
+ return GL_FALSE;
+ case MODE_ADD:
+ case MODE_ADD_SIGNED:
+ case MODE_SUBTRACT:
+ case MODE_DOT3_RGB:
+ case MODE_DOT3_RGB_EXT:
+ case MODE_DOT3_RGBA:
+ case MODE_DOT3_RGBA_EXT:
+ case MODE_MODULATE_ADD_ATI:
+ case MODE_MODULATE_SIGNED_ADD_ATI:
+ case MODE_MODULATE_SUBTRACT_ATI:
+ case MODE_ADD_PRODUCTS:
+ case MODE_ADD_PRODUCTS_SIGNED:
+ case MODE_BUMP_ENVMAP_ATI:
+ return GL_TRUE;
+ default:
+ assert(0);
+ return GL_FALSE;
+ }
+}
+
+
+
/**
* Translate TEXTURE_x_BIT to TEXTURE_x_INDEX.
*/
else {
/* calculate from vp->outputs */
struct gl_vertex_program *vprog;
- GLbitfield vp_outputs;
+ GLbitfield64 vp_outputs;
/* Choose GLSL vertex shader over ARB vertex program. Need this
* since vertex shader state validation comes after fragment state
key->unit[i].OptRGB[1].Operand = OPR_SRC_COLOR;
key->unit[i].OptRGB[1].Source = texUnit->BumpTarget - GL_TEXTURE0 + SRC_TEXTURE0;
}
+
+ /* this is a back-door for enabling cylindrical texture wrap mode */
+ if (texObj->Priority == 0.125)
+ key->unit[i].texture_cyl_wrap = 1;
}
/* _NEW_LIGHT | _NEW_FOG */
if (!bit) {
_mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
- _mesa_exit(1);
+ exit(1);
}
if ((GLuint) bit > p->program->Base.NumTemporaries)
if (!bit) {
_mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
- _mesa_exit(1);
+ exit(1);
}
if ((GLuint) bit > p->program->Base.NumTemporaries)
assert(nr <= MAX_COMBINER_TERMS);
- tmp = undef; /* silence warning (bug 5318) */
-
for (i = 0; i < nr; i++)
src[i] = emit_combine_source( p, mask, unit, opt[i].Source, opt[i].Operand );
emit_arith( p, OPCODE_MAD, tmp0, WRITEMASK_XYZW, 0,
two, src[0], neg1);
- if (_mesa_memcmp(&src[0], &src[1], sizeof(struct ureg)) == 0)
+ if (memcmp(&src[0], &src[1], sizeof(struct ureg)) == 0)
tmp1 = tmp0;
else
emit_arith( p, OPCODE_MAD, tmp1, WRITEMASK_XYZW, 0,
emit_texenv(struct texenv_fragment_program *p, GLuint unit)
{
const struct state_key *key = p->state;
- GLboolean saturate;
+ GLboolean rgb_saturate, alpha_saturate;
GLuint rgb_shift, alpha_shift;
struct ureg out, dest;
/* If we'll do rgb/alpha shifting don't saturate in emit_combine().
* We don't want to clamp twice.
*/
- saturate = !(rgb_shift || alpha_shift);
+ if (rgb_shift)
+ rgb_saturate = GL_FALSE; /* saturate after rgb shift */
+ else if (need_saturate(key->unit[unit].ModeRGB))
+ rgb_saturate = GL_TRUE;
+ else
+ rgb_saturate = GL_FALSE;
+
+ if (alpha_shift)
+ alpha_saturate = GL_FALSE; /* saturate after alpha shift */
+ else if (need_saturate(key->unit[unit].ModeA))
+ alpha_saturate = GL_TRUE;
+ else
+ alpha_saturate = GL_FALSE;
/* If this is the very last calculation, emit direct to output reg:
*/
*/
if (key->unit[unit].ModeRGB == key->unit[unit].ModeA &&
args_match(key, unit)) {
- out = emit_combine( p, dest, WRITEMASK_XYZW, saturate,
+ out = emit_combine( p, dest, WRITEMASK_XYZW, rgb_saturate,
unit,
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
}
else if (key->unit[unit].ModeRGB == MODE_DOT3_RGBA_EXT ||
key->unit[unit].ModeRGB == MODE_DOT3_RGBA) {
- out = emit_combine( p, dest, WRITEMASK_XYZW, saturate,
+ out = emit_combine( p, dest, WRITEMASK_XYZW, rgb_saturate,
unit,
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
/* Need to do something to stop from re-emitting identical
* argument calculations here:
*/
- out = emit_combine( p, dest, WRITEMASK_XYZ, saturate,
+ out = emit_combine( p, dest, WRITEMASK_XYZ, rgb_saturate,
unit,
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
key->unit[unit].OptRGB);
- out = emit_combine( p, dest, WRITEMASK_W, saturate,
+ out = emit_combine( p, dest, WRITEMASK_W, alpha_saturate,
unit,
key->unit[unit].NumArgsA,
key->unit[unit].ModeA,
*/
if (alpha_shift || rgb_shift) {
struct ureg shift;
-
- saturate = GL_TRUE; /* always saturate at this point */
+ GLboolean saturate = GL_TRUE; /* always saturate at this point */
if (rgb_shift == alpha_shift) {
shift = register_scalar_const(p, (GLfloat)(1<<rgb_shift));
}
else
p->src_texture[unit] = get_zero(p);
+
+ if (p->state->unit[unit].texture_cyl_wrap) {
+ /* set flag which is checked by Mesa->Gallium program translation */
+ p->program->Base.InputFlags[0] |= PROG_PARAM_BIT_CYL_WRAP;
+ }
+
}
}
GLuint unit;
struct ureg cf, out;
- _mesa_memset(&p, 0, sizeof(p));
+ memset(&p, 0, sizeof(p));
p.state = key;
p.program = program;
emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef );
emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef );
}
- else if (_mesa_memcmp(&cf, &out, sizeof(cf)) != 0) {
+ else if (memcmp(&cf, &out, sizeof(cf)) != 0) {
/* Will wind up in here if no texture enabled or a couple of
* other scenarios (GL_REPLACE for instance).
*/
/* Notify driver the fragment program has (actually) changed.
*/
if (ctx->Driver.ProgramStringNotify) {
- ctx->Driver.ProgramStringNotify( ctx, GL_FRAGMENT_PROGRAM_ARB,
- &p.program->Base );
+ GLboolean ok = ctx->Driver.ProgramStringNotify(ctx,
+ GL_FRAGMENT_PROGRAM_ARB,
+ &p.program->Base);
+ /* Driver should be able to handle any texenv programs as long as
+ * the driver correctly reported max number of texture units correctly,
+ * etc.
+ */
+ ASSERT(ok);
+ (void) ok; /* silence unused var warning */
}
if (DISASSEM) {
_mesa_print_program(&p.program->Base);
- _mesa_printf("\n");
+ printf("\n");
}
}
projects / mesa.git / blobdiff