/* GL state */
GLenum mode;
- GLenum *source;
- GLenum *operand;
+ GLenum16 *source;
+ GLenum16 *operand;
GLuint logscale;
/* Derived HW state */
* context. */
#define INIT_COMBINER(chan, ctx, rc, i) do { \
struct gl_tex_env_combine_state *c = \
- ctx->Texture.Unit[i]._CurrentCombine; \
+ ctx->Texture.FixedFuncUnit[i]._CurrentCombine; \
(rc)->ctx = ctx; \
(rc)->unit = i; \
(rc)->premodulate = c->_NumArgs##chan == 4; \
/* Get the RC input mapping for the specified texture_env_combine
* operand, possibly inverted or biased. */
#define INVERT 0x1
-#define HALF_BIAS 0x2
+#define NORMALIZE 0x2
static uint32_t
get_input_mapping(struct combiner_state *rc, int operand, int flags)
map |= RC_IN_USAGE(ALPHA);
if (is_negative_operand(operand) == !(flags & INVERT))
- map |= flags & HALF_BIAS ?
- RC_IN_MAPPING(HALF_BIAS_NEGATE) :
+ map |= flags & NORMALIZE ?
+ RC_IN_MAPPING(EXPAND_NEGATE) :
RC_IN_MAPPING(UNSIGNED_INVERT);
else
- map |= flags & HALF_BIAS ?
- RC_IN_MAPPING(HALF_BIAS_NORMAL) :
+ map |= flags & NORMALIZE ?
+ RC_IN_MAPPING(EXPAND_NORMAL) :
RC_IN_MAPPING(UNSIGNED_IDENTITY);
return map;
struct gl_texture_object *t = rc->ctx->Texture.Unit[i]._Current;
mesa_format format = t->Image[0][t->BaseLevel]->TexFormat;
- if (format == MESA_FORMAT_A8) {
+ if (format == MESA_FORMAT_A_UNORM8) {
/* Emulated using I8. */
if (is_color_operand(operand))
return RC_IN_SOURCE(ZERO) |
get_input_mapping(rc, operand, flags);
- } else if (format == MESA_FORMAT_L8) {
+ } else if (format == MESA_FORMAT_L_UNORM8) {
/* Sometimes emulated using I8. */
if (!is_color_operand(operand))
return RC_IN_SOURCE(ZERO) |
get_input_mapping(rc, operand,
flags ^ INVERT);
- } else if (format == MESA_FORMAT_XRGB8888) {
+ } else if (format == MESA_FORMAT_B8G8R8X8_UNORM) {
/* Sometimes emulated using ARGB8888. */
if (!is_color_operand(operand))
return RC_IN_SOURCE(ZERO) |
case GL_DOT3_RGB:
case GL_DOT3_RGBA:
- INPUT_ARG(rc, A, 0, HALF_BIAS);
- INPUT_ARG(rc, B, 1, HALF_BIAS);
+ INPUT_ARG(rc, A, 0, NORMALIZE);
+ INPUT_ARG(rc, B, 1, NORMALIZE);
- rc->out = RC_OUT_DOT_AB | RC_OUT_SCALE_4;
+ rc->out = RC_OUT_DOT_AB;
+ break;
+
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGBA_EXT:
+ INPUT_ARG(rc, A, 0, NORMALIZE);
+ INPUT_ARG(rc, B, 1, NORMALIZE);
+
+ rc->out = RC_OUT_DOT_AB;
- assert(!rc->logscale);
+ /* The EXT version of the DOT3 extension does not support the
+ * scale factor, but the ARB version (and the version in
+ * OpenGL 1.3) does.
+ */
+ rc->logscale = 0;
break;
default:
{
struct combiner_state rc_a, rc_c;
- if (ctx->Texture.Unit[i]._ReallyEnabled) {
+ if (ctx->Texture.Unit[i]._Current) {
INIT_COMBINER(RGB, ctx, &rc_c, i);
- if (rc_c.mode == GL_DOT3_RGBA)
+ if (rc_c.mode == GL_DOT3_RGBA || rc_c.mode == GL_DOT3_RGBA_EXT)
rc_a = rc_c;
else
INIT_COMBINER(A, ctx, &rc_a, i);
rc_a.in = rc_a.out = rc_c.in = rc_c.out = 0;
}
- *k = pack_rgba_f(MESA_FORMAT_ARGB8888,
- ctx->Texture.Unit[i].EnvColor);
+ *k = pack_rgba_f(MESA_FORMAT_B8G8R8A8_UNORM,
+ ctx->Texture.FixedFuncUnit[i].EnvColor);
*a_in = rc_a.in;
*a_out = rc_a.out;
*c_in = rc_c.in;
INPUT_ONE(&rc, E, 0);
}
- if (ctx->Texture._EnabledUnits) {
+ if (ctx->Texture._MaxEnabledTexImageUnit != -1) {
INPUT_SRC(&rc, B, SPARE0, RGB);
INPUT_SRC(&rc, G, SPARE0, ALPHA);
} else {
}
*in = rc.in;
- *n = log2i(ctx->Texture._EnabledUnits) + 1;
+ *n = ctx->Texture._MaxEnabledTexImageUnit + 1;
}
void