return GL_FALSE;
}
-struct mode_opt {
-#ifdef __GNUC__
- __extension__ GLubyte Source:4; /**< SRC_x */
- __extension__ GLubyte Operand:3; /**< OPR_x */
-#else
- GLubyte Source; /**< SRC_x */
- GLubyte Operand; /**< OPR_x */
-#endif
-};
-
struct state_key {
GLuint nr_enabled_units:4;
GLuint separate_specular:1;
GLuint enabled:1;
GLuint source_index:4; /**< TEXTURE_x_INDEX */
GLuint shadow:1;
+
+ /***
+ * These are taken from struct gl_tex_env_combine_packed
+ * @{
+ */
+ GLuint ModeRGB:4;
+ GLuint ModeA:4;
GLuint ScaleShiftRGB:2;
GLuint ScaleShiftA:2;
-
- GLuint NumArgsRGB:3; /**< up to MAX_COMBINER_TERMS */
- GLuint ModeRGB:5; /**< MODE_x */
-
- GLuint NumArgsA:3; /**< up to MAX_COMBINER_TERMS */
- GLuint ModeA:5; /**< MODE_x */
-
- struct mode_opt OptRGB[MAX_COMBINER_TERMS];
- struct mode_opt OptA[MAX_COMBINER_TERMS];
+ GLuint NumArgsRGB:3;
+ GLuint NumArgsA:3;
+ struct gl_tex_env_argument ArgsRGB[MAX_COMBINER_TERMS];
+ struct gl_tex_env_argument ArgsA[MAX_COMBINER_TERMS];
+ /** @} */
} unit[MAX_TEXTURE_COORD_UNITS];
};
-#define OPR_SRC_COLOR 0
-#define OPR_ONE_MINUS_SRC_COLOR 1
-#define OPR_SRC_ALPHA 2
-#define OPR_ONE_MINUS_SRC_ALPHA 3
-#define OPR_ZERO 4
-#define OPR_ONE 5
-#define OPR_UNKNOWN 7
-
-static GLuint translate_operand( GLenum operand )
-{
- switch (operand) {
- case GL_SRC_COLOR: return OPR_SRC_COLOR;
- case GL_ONE_MINUS_SRC_COLOR: return OPR_ONE_MINUS_SRC_COLOR;
- case GL_SRC_ALPHA: return OPR_SRC_ALPHA;
- case GL_ONE_MINUS_SRC_ALPHA: return OPR_ONE_MINUS_SRC_ALPHA;
- case GL_ZERO: return OPR_ZERO;
- case GL_ONE: return OPR_ONE;
- default:
- assert(0);
- return OPR_UNKNOWN;
- }
-}
-
-#define SRC_TEXTURE 0
-#define SRC_TEXTURE0 1
-#define SRC_TEXTURE1 2
-#define SRC_TEXTURE2 3
-#define SRC_TEXTURE3 4
-#define SRC_TEXTURE4 5
-#define SRC_TEXTURE5 6
-#define SRC_TEXTURE6 7
-#define SRC_TEXTURE7 8
-#define SRC_CONSTANT 9
-#define SRC_PRIMARY_COLOR 10
-#define SRC_PREVIOUS 11
-#define SRC_ZERO 12
-#define SRC_UNKNOWN 15
-
-static GLuint translate_source( GLenum src )
-{
- switch (src) {
- case GL_TEXTURE: return SRC_TEXTURE;
- case GL_TEXTURE0:
- case GL_TEXTURE1:
- case GL_TEXTURE2:
- case GL_TEXTURE3:
- case GL_TEXTURE4:
- case GL_TEXTURE5:
- case GL_TEXTURE6:
- case GL_TEXTURE7: return SRC_TEXTURE0 + (src - GL_TEXTURE0);
- case GL_CONSTANT: return SRC_CONSTANT;
- case GL_PRIMARY_COLOR: return SRC_PRIMARY_COLOR;
- case GL_PREVIOUS: return SRC_PREVIOUS;
- case GL_ZERO:
- return SRC_ZERO;
- default:
- assert(0);
- return SRC_UNKNOWN;
- }
-}
-
-#define MODE_REPLACE 0 /* r = a0 */
-#define MODE_MODULATE 1 /* r = a0 * a1 */
-#define MODE_ADD 2 /* r = a0 + a1 */
-#define MODE_ADD_SIGNED 3 /* r = a0 + a1 - 0.5 */
-#define MODE_INTERPOLATE 4 /* r = a0 * a2 + a1 * (1 - a2) */
-#define MODE_SUBTRACT 5 /* r = a0 - a1 */
-#define MODE_DOT3_RGB 6 /* r = a0 . a1 */
-#define MODE_DOT3_RGB_EXT 7 /* r = a0 . a1 */
-#define MODE_DOT3_RGBA 8 /* r = a0 . a1 */
-#define MODE_DOT3_RGBA_EXT 9 /* r = a0 . a1 */
-#define MODE_MODULATE_ADD_ATI 10 /* r = a0 * a2 + a1 */
-#define MODE_MODULATE_SIGNED_ADD_ATI 11 /* r = a0 * a2 + a1 - 0.5 */
-#define MODE_MODULATE_SUBTRACT_ATI 12 /* r = a0 * a2 - a1 */
-#define MODE_ADD_PRODUCTS 13 /* r = a0 * a1 + a2 * a3 */
-#define MODE_ADD_PRODUCTS_SIGNED 14 /* r = a0 * a1 + a2 * a3 - 0.5 */
-#define MODE_UNKNOWN 16
-
-/**
- * Translate GL combiner state into a MODE_x value
- */
-static GLuint translate_mode( GLenum envMode, GLenum mode )
-{
- switch (mode) {
- case GL_REPLACE: return MODE_REPLACE;
- case GL_MODULATE: return MODE_MODULATE;
- case GL_ADD:
- if (envMode == GL_COMBINE4_NV)
- return MODE_ADD_PRODUCTS;
- else
- return MODE_ADD;
- case GL_ADD_SIGNED:
- if (envMode == GL_COMBINE4_NV)
- return MODE_ADD_PRODUCTS_SIGNED;
- else
- return MODE_ADD_SIGNED;
- case GL_INTERPOLATE: return MODE_INTERPOLATE;
- case GL_SUBTRACT: return MODE_SUBTRACT;
- case GL_DOT3_RGB: return MODE_DOT3_RGB;
- case GL_DOT3_RGB_EXT: return MODE_DOT3_RGB_EXT;
- case GL_DOT3_RGBA: return MODE_DOT3_RGBA;
- case GL_DOT3_RGBA_EXT: return MODE_DOT3_RGBA_EXT;
- case GL_MODULATE_ADD_ATI: return MODE_MODULATE_ADD_ATI;
- case GL_MODULATE_SIGNED_ADD_ATI: return MODE_MODULATE_SIGNED_ADD_ATI;
- case GL_MODULATE_SUBTRACT_ATI: return MODE_MODULATE_SUBTRACT_ATI;
- default:
- assert(0);
- return MODE_UNKNOWN;
- }
-}
-
/**
* Do we need to clamp the results of the given texture env/combine mode?
need_saturate( GLuint mode )
{
switch (mode) {
- case MODE_REPLACE:
- case MODE_MODULATE:
- case MODE_INTERPOLATE:
+ case TEXENV_MODE_REPLACE:
+ case TEXENV_MODE_MODULATE:
+ case TEXENV_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 TEXENV_MODE_ADD:
+ case TEXENV_MODE_ADD_SIGNED:
+ case TEXENV_MODE_SUBTRACT:
+ case TEXENV_MODE_DOT3_RGB:
+ case TEXENV_MODE_DOT3_RGB_EXT:
+ case TEXENV_MODE_DOT3_RGBA:
+ case TEXENV_MODE_DOT3_RGBA_EXT:
+ case TEXENV_MODE_MODULATE_ADD_ATI:
+ case TEXENV_MODE_MODULATE_SIGNED_ADD_ATI:
+ case TEXENV_MODE_MODULATE_SUBTRACT_ATI:
+ case TEXENV_MODE_ADD_PRODUCTS_NV:
+ case TEXENV_MODE_ADD_PRODUCTS_SIGNED_NV:
return GL_TRUE;
default:
assert(0);
*/
static GLuint make_state_key( struct gl_context *ctx, struct state_key *key )
{
- GLuint j;
GLbitfield inputs_referenced = VARYING_BIT_COL0;
GLbitfield mask;
GLuint keySize;
i = u_bit_scan(&mask);
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
const struct gl_texture_object *texObj = texUnit->_Current;
- const struct gl_tex_env_combine_state *comb = texUnit->_CurrentCombine;
+ const struct gl_tex_env_combine_packed *comb = &texUnit->_CurrentCombinePacked;
if (!texObj)
continue;
format == GL_DEPTH_STENCIL_EXT);
}
- key->unit[i].NumArgsRGB = comb->_NumArgsRGB;
- key->unit[i].NumArgsA = comb->_NumArgsA;
-
- key->unit[i].ModeRGB =
- translate_mode(texUnit->EnvMode, comb->ModeRGB);
- key->unit[i].ModeA =
- translate_mode(texUnit->EnvMode, comb->ModeA);
-
+ key->unit[i].ModeRGB = comb->ModeRGB;
+ key->unit[i].ModeA = comb->ModeA;
key->unit[i].ScaleShiftRGB = comb->ScaleShiftRGB;
key->unit[i].ScaleShiftA = comb->ScaleShiftA;
+ key->unit[i].NumArgsRGB = comb->NumArgsRGB;
+ key->unit[i].NumArgsA = comb->NumArgsA;
- for (j = 0; j < MAX_COMBINER_TERMS; j++) {
- key->unit[i].OptRGB[j].Operand = translate_operand(comb->OperandRGB[j]);
- key->unit[i].OptA[j].Operand = translate_operand(comb->OperandA[j]);
- key->unit[i].OptRGB[j].Source = translate_source(comb->SourceRGB[j]);
- key->unit[i].OptA[j].Source = translate_source(comb->SourceA[j]);
- }
+ memcpy(key->unit[i].ArgsRGB, comb->ArgsRGB, sizeof comb->ArgsRGB);
+ memcpy(key->unit[i].ArgsA, comb->ArgsA, sizeof comb->ArgsA);
}
key->nr_enabled_units = i + 1;
ir_dereference *deref;
switch (src) {
- case SRC_TEXTURE:
+ case TEXENV_SRC_TEXTURE:
return new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
- case SRC_TEXTURE0:
- case SRC_TEXTURE1:
- case SRC_TEXTURE2:
- case SRC_TEXTURE3:
- case SRC_TEXTURE4:
- case SRC_TEXTURE5:
- case SRC_TEXTURE6:
- case SRC_TEXTURE7:
+ case TEXENV_SRC_TEXTURE0:
+ case TEXENV_SRC_TEXTURE1:
+ case TEXENV_SRC_TEXTURE2:
+ case TEXENV_SRC_TEXTURE3:
+ case TEXENV_SRC_TEXTURE4:
+ case TEXENV_SRC_TEXTURE5:
+ case TEXENV_SRC_TEXTURE6:
+ case TEXENV_SRC_TEXTURE7:
return new(p->mem_ctx)
- ir_dereference_variable(p->src_texture[src - SRC_TEXTURE0]);
+ ir_dereference_variable(p->src_texture[src - TEXENV_SRC_TEXTURE0]);
- case SRC_CONSTANT:
+ case TEXENV_SRC_CONSTANT:
var = p->shader->symbols->get_variable("gl_TextureEnvColor");
assert(var);
deref = new(p->mem_ctx) ir_dereference_variable(var);
return new(p->mem_ctx) ir_dereference_array(deref,
new(p->mem_ctx) ir_constant(unit));
- case SRC_PRIMARY_COLOR:
+ case TEXENV_SRC_PRIMARY_COLOR:
var = p->shader->symbols->get_variable("gl_Color");
assert(var);
return new(p->mem_ctx) ir_dereference_variable(var);
- case SRC_ZERO:
+ case TEXENV_SRC_ZERO:
return new(p->mem_ctx) ir_constant(0.0f);
- case SRC_PREVIOUS:
+ case TEXENV_SRC_ONE:
+ return new(p->mem_ctx) ir_constant(1.0f);
+
+ case TEXENV_SRC_PREVIOUS:
if (!p->src_previous) {
return get_gl_Color(p);
} else {
src = get_source(p, source, unit);
switch (operand) {
- case OPR_ONE_MINUS_SRC_COLOR:
+ case TEXENV_OPR_ONE_MINUS_COLOR:
return sub(new(p->mem_ctx) ir_constant(1.0f), src);
- case OPR_SRC_ALPHA:
+ case TEXENV_OPR_ALPHA:
return src->type->is_scalar() ? src : swizzle_w(src);
- case OPR_ONE_MINUS_SRC_ALPHA: {
+ case TEXENV_OPR_ONE_MINUS_ALPHA: {
ir_rvalue *const scalar = src->type->is_scalar() ? src : swizzle_w(src);
return sub(new(p->mem_ctx) ir_constant(1.0f), scalar);
}
- case OPR_ZERO:
- return new(p->mem_ctx) ir_constant(0.0f);
- case OPR_ONE:
- return new(p->mem_ctx) ir_constant(1.0f);
- case OPR_SRC_COLOR:
+ case TEXENV_OPR_COLOR:
return src;
+
default:
assert(0);
return src;
GLuint i, numArgs = key->unit[unit].NumArgsRGB;
for (i = 0; i < numArgs; i++) {
- if (key->unit[unit].OptA[i].Source != key->unit[unit].OptRGB[i].Source)
+ if (key->unit[unit].ArgsA[i].Source != key->unit[unit].ArgsRGB[i].Source)
return GL_FALSE;
- switch (key->unit[unit].OptA[i].Operand) {
- case OPR_SRC_ALPHA:
- switch (key->unit[unit].OptRGB[i].Operand) {
- case OPR_SRC_COLOR:
- case OPR_SRC_ALPHA:
+ switch (key->unit[unit].ArgsA[i].Operand) {
+ case TEXENV_OPR_ALPHA:
+ switch (key->unit[unit].ArgsRGB[i].Operand) {
+ case TEXENV_OPR_COLOR:
+ case TEXENV_OPR_ALPHA:
break;
default:
return GL_FALSE;
}
break;
- case OPR_ONE_MINUS_SRC_ALPHA:
- switch (key->unit[unit].OptRGB[i].Operand) {
- case OPR_ONE_MINUS_SRC_COLOR:
- case OPR_ONE_MINUS_SRC_ALPHA:
+ case TEXENV_OPR_ONE_MINUS_ALPHA:
+ switch (key->unit[unit].ArgsRGB[i].Operand) {
+ case TEXENV_OPR_ONE_MINUS_COLOR:
+ case TEXENV_OPR_ONE_MINUS_ALPHA:
break;
default:
return GL_FALSE;
GLuint unit,
GLuint nr,
GLuint mode,
- const struct mode_opt *opt)
+ const struct gl_tex_env_argument *opt)
{
ir_rvalue *src[MAX_COMBINER_TERMS];
ir_rvalue *tmp0, *tmp1;
src[i] = emit_combine_source( p, unit, opt[i].Source, opt[i].Operand );
switch (mode) {
- case MODE_REPLACE:
+ case TEXENV_MODE_REPLACE:
return src[0];
- case MODE_MODULATE:
+ case TEXENV_MODE_MODULATE:
return mul(src[0], src[1]);
- case MODE_ADD:
+ case TEXENV_MODE_ADD:
return add(src[0], src[1]);
- case MODE_ADD_SIGNED:
+ case TEXENV_MODE_ADD_SIGNED:
return add(add(src[0], src[1]), new(p->mem_ctx) ir_constant(-0.5f));
- case MODE_INTERPOLATE:
+ case TEXENV_MODE_INTERPOLATE:
/* Arg0 * (Arg2) + Arg1 * (1-Arg2) */
tmp0 = mul(src[0], src[2]);
tmp1 = mul(src[1], sub(new(p->mem_ctx) ir_constant(1.0f),
src[2]->clone(p->mem_ctx, NULL)));
return add(tmp0, tmp1);
- case MODE_SUBTRACT:
+ case TEXENV_MODE_SUBTRACT:
return sub(src[0], src[1]);
- case MODE_DOT3_RGBA:
- case MODE_DOT3_RGBA_EXT:
- case MODE_DOT3_RGB_EXT:
- case MODE_DOT3_RGB: {
+ case TEXENV_MODE_DOT3_RGBA:
+ case TEXENV_MODE_DOT3_RGBA_EXT:
+ case TEXENV_MODE_DOT3_RGB_EXT:
+ case TEXENV_MODE_DOT3_RGB: {
tmp0 = mul(src[0], new(p->mem_ctx) ir_constant(2.0f));
tmp0 = add(tmp0, new(p->mem_ctx) ir_constant(-1.0f));
return dot(swizzle_xyz(smear(tmp0)), swizzle_xyz(smear(tmp1)));
}
- case MODE_MODULATE_ADD_ATI:
+ case TEXENV_MODE_MODULATE_ADD_ATI:
return add(mul(src[0], src[2]), src[1]);
- case MODE_MODULATE_SIGNED_ADD_ATI:
+ case TEXENV_MODE_MODULATE_SIGNED_ADD_ATI:
return add(add(mul(src[0], src[2]), src[1]),
new(p->mem_ctx) ir_constant(-0.5f));
- case MODE_MODULATE_SUBTRACT_ATI:
+ case TEXENV_MODE_MODULATE_SUBTRACT_ATI:
return sub(mul(src[0], src[2]), src[1]);
- case MODE_ADD_PRODUCTS:
+ case TEXENV_MODE_ADD_PRODUCTS_NV:
return add(mul(src[0], src[1]), mul(src[2], src[3]));
- case MODE_ADD_PRODUCTS_SIGNED:
+ case TEXENV_MODE_ADD_PRODUCTS_SIGNED_NV:
return add(add(mul(src[0], src[1]), mul(src[2], src[3])),
new(p->mem_ctx) ir_constant(-0.5f));
default:
GLuint rgb_shift, alpha_shift;
if (!key->unit[unit].enabled) {
- return get_source(p, SRC_PREVIOUS, 0);
+ return get_source(p, TEXENV_SRC_PREVIOUS, 0);
}
switch (key->unit[unit].ModeRGB) {
- case MODE_DOT3_RGB_EXT:
+ case TEXENV_MODE_DOT3_RGB_EXT:
alpha_shift = key->unit[unit].ScaleShiftA;
rgb_shift = 0;
break;
- case MODE_DOT3_RGBA_EXT:
+ case TEXENV_MODE_DOT3_RGBA_EXT:
alpha_shift = 0;
rgb_shift = 0;
break;
val = emit_combine(p, unit,
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
- key->unit[unit].OptRGB);
+ key->unit[unit].ArgsRGB);
val = smear(val);
if (rgb_saturate)
val = saturate(val);
p->emit(assign(temp_var, val));
}
- else if (key->unit[unit].ModeRGB == MODE_DOT3_RGBA_EXT ||
- key->unit[unit].ModeRGB == MODE_DOT3_RGBA) {
+ else if (key->unit[unit].ModeRGB == TEXENV_MODE_DOT3_RGBA_EXT ||
+ key->unit[unit].ModeRGB == TEXENV_MODE_DOT3_RGBA) {
ir_rvalue *val = emit_combine(p, unit,
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
- key->unit[unit].OptRGB);
+ key->unit[unit].ArgsRGB);
val = smear(val);
if (rgb_saturate)
val = saturate(val);
val = emit_combine(p, unit,
key->unit[unit].NumArgsRGB,
key->unit[unit].ModeRGB,
- key->unit[unit].OptRGB);
+ key->unit[unit].ArgsRGB);
val = swizzle_xyz(smear(val));
if (rgb_saturate)
val = saturate(val);
val = emit_combine(p, unit,
key->unit[unit].NumArgsA,
key->unit[unit].ModeA,
- key->unit[unit].OptA);
+ key->unit[unit].ArgsA);
val = swizzle_w(smear(val));
if (alpha_saturate)
val = saturate(val);
GLuint src, GLuint unit)
{
switch (src) {
- case SRC_TEXTURE:
+ case TEXENV_SRC_TEXTURE:
load_texture(p, unit);
break;
- case SRC_TEXTURE0:
- case SRC_TEXTURE1:
- case SRC_TEXTURE2:
- case SRC_TEXTURE3:
- case SRC_TEXTURE4:
- case SRC_TEXTURE5:
- case SRC_TEXTURE6:
- case SRC_TEXTURE7:
- load_texture(p, src - SRC_TEXTURE0);
+ case TEXENV_SRC_TEXTURE0:
+ case TEXENV_SRC_TEXTURE1:
+ case TEXENV_SRC_TEXTURE2:
+ case TEXENV_SRC_TEXTURE3:
+ case TEXENV_SRC_TEXTURE4:
+ case TEXENV_SRC_TEXTURE5:
+ case TEXENV_SRC_TEXTURE6:
+ case TEXENV_SRC_TEXTURE7:
+ load_texture(p, src - TEXENV_SRC_TEXTURE0);
break;
default:
GLuint i;
for (i = 0; i < key->unit[unit].NumArgsRGB; i++) {
- load_texenv_source( p, key->unit[unit].OptRGB[i].Source, unit );
+ load_texenv_source( p, key->unit[unit].ArgsRGB[i].Source, unit );
}
for (i = 0; i < key->unit[unit].NumArgsA; i++) {
- load_texenv_source( p, key->unit[unit].OptA[i].Source, unit );
+ load_texenv_source( p, key->unit[unit].ArgsA[i].Source, unit );
}
return GL_TRUE;
}
}
- ir_rvalue *cf = get_source(p, SRC_PREVIOUS, 0);
+ ir_rvalue *cf = get_source(p, TEXENV_SRC_PREVIOUS, 0);
if (key->separate_specular) {
ir_variable *spec_result = p->make_temp(glsl_type::vec4_type,