0
};
-
-/* 1, -1/3!, 1/5!, -1/7! */
-static const float scs_sin_constants[4] = { 1.0,
- -1.0f / (3 * 2 * 1),
- 1.0f / (5 * 4 * 3 * 2 * 1),
- -1.0f / (7 * 6 * 5 * 4 * 3 * 2 * 1)
-};
-
-/* 1, -1/2!, 1/4!, -1/6! */
-static const float scs_cos_constants[4] = { 1.0,
- -1.0f / (2 * 1),
- 1.0f / (4 * 3 * 2 * 1),
- -1.0f / (6 * 5 * 4 * 3 * 2 * 1)
-};
-
/* 2*pi, -(2*pi)^3/3!, (2*pi)^5/5!, -(2*pi)^7/7! */
static const float sin_constants[4] = { 2.0 * M_PI,
-8.0f * M_PI * M_PI * M_PI / (3 * 2 * 1),
/**
* component-wise negation of ureg
*/
-static INLINE int
+static inline int
negate(int reg, int x, int y, int z, int w)
{
/* Another neat thing about the UREG representation */
if (fs->program) {
memcpy(fs->program, passthrough_program, sizeof(passthrough_program));
memcpy(fs->decl, passthrough_decl, sizeof(passthrough_decl));
- fs->program_len = Elements(passthrough_program);
- fs->decl_len = Elements(passthrough_decl);
+ fs->program_len = ARRAY_SIZE(passthrough_program);
+ fs->decl_len = ARRAY_SIZE(passthrough_decl);
}
fs->num_constants = 0;
}
const struct i915_full_instruction *inst,
struct i915_fragment_shader *fs)
{
- uint writemask;
uint src0, src1, src2, flags;
uint tmp = 0;
switch (inst->Instruction.Opcode) {
- case TGSI_OPCODE_ABS:
- src0 = src_vector(p, &inst->Src[0], fs);
- i915_emit_arith(p,
- A0_MAX,
- get_result_vector(p, &inst->Dst[0]),
- get_result_flags(inst), 0,
- src0, negate(src0, 1, 1, 1, 1), 0);
- break;
-
case TGSI_OPCODE_ADD:
emit_simple_arith(p, inst, A0_ADD, 2, fs);
break;
case TGSI_OPCODE_DDX:
case TGSI_OPCODE_DDY:
/* XXX We just output 0 here */
- debug_printf("Punting DDX/DDX\n");
+ debug_printf("Punting DDX/DDY\n");
src0 = get_result_vector(p, &inst->Dst[0]);
i915_emit_arith(p,
A0_MOV,
emit_simple_arith(p, inst, A0_DP4, 2, fs);
break;
- case TGSI_OPCODE_DPH:
- src0 = src_vector(p, &inst->Src[0], fs);
- src1 = src_vector(p, &inst->Src[1], fs);
-
- i915_emit_arith(p,
- A0_DP4,
- get_result_vector(p, &inst->Dst[0]),
- get_result_flags(inst), 0,
- swizzle(src0, X, Y, Z, ONE), src1, 0);
- break;
-
case TGSI_OPCODE_DST:
src0 = src_vector(p, &inst->Src[0], fs);
src1 = src_vector(p, &inst->Src[1], fs);
swizzle(src0, X, X, X, X), 0, 0);
break;
- case TGSI_OPCODE_SCS:
- src0 = src_vector(p, &inst->Src[0], fs);
- tmp = i915_get_utemp(p);
-
- /*
- * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
- * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
- * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
- * scs.x = DP4 t1, scs_sin_constants
- * t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
- * scs.y = DP4 t1, scs_cos_constants
- */
- i915_emit_arith(p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XY, 0,
- swizzle(src0, X, X, ONE, ONE),
- swizzle(src0, X, ONE, ONE, ONE), 0);
-
- i915_emit_arith(p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp, X, Y, X, Y),
- swizzle(tmp, X, X, ONE, ONE), 0);
-
- writemask = inst->Dst[0].Register.WriteMask;
-
- if (writemask & TGSI_WRITEMASK_Y) {
- uint tmp1;
-
- if (writemask & TGSI_WRITEMASK_X)
- tmp1 = i915_get_utemp(p);
- else
- tmp1 = tmp;
-
- i915_emit_arith(p,
- A0_MUL,
- tmp1, A0_DEST_CHANNEL_ALL, 0,
- swizzle(tmp, X, Y, Y, W),
- swizzle(tmp, X, Z, ONE, ONE), 0);
-
- i915_emit_arith(p,
- A0_DP4,
- get_result_vector(p, &inst->Dst[0]),
- A0_DEST_CHANNEL_Y, 0,
- swizzle(tmp1, W, Z, Y, X),
- i915_emit_const4fv(p, scs_sin_constants), 0);
- }
-
- if (writemask & TGSI_WRITEMASK_X) {
- i915_emit_arith(p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_XYZ, 0,
- swizzle(tmp, X, X, Z, ONE),
- swizzle(tmp, Z, ONE, ONE, ONE), 0);
-
- i915_emit_arith(p,
- A0_DP4,
- get_result_vector(p, &inst->Dst[0]),
- A0_DEST_CHANNEL_X, 0,
- swizzle(tmp, ONE, Z, Y, X),
- i915_emit_const4fv(p, scs_cos_constants), 0);
- }
- break;
-
case TGSI_OPCODE_SEQ:
/* if we're both >= and <= then we're == */
src0 = src_vector(p, &inst->Src[0], fs);
negate(tmp, 1, 1, 1, 1), 0);
break;
- case TGSI_OPCODE_SUB:
- src0 = src_vector(p, &inst->Src[0], fs);
- src1 = src_vector(p, &inst->Src[1], fs);
-
- i915_emit_arith(p,
- A0_ADD,
- get_result_vector(p, &inst->Dst[0]),
- get_result_flags(inst), 0,
- src0, negate(src1, 1, 1, 1, 1), 0);
- break;
-
case TGSI_OPCODE_TEX:
emit_tex(p, inst, T0_TEXLD, fs);
break;
emit_tex(p, inst, T0_TEXLDP, fs);
break;
- case TGSI_OPCODE_XPD:
- /* Cross product:
- * result.x = src0.y * src1.z - src0.z * src1.y;
- * result.y = src0.z * src1.x - src0.x * src1.z;
- * result.z = src0.x * src1.y - src0.y * src1.x;
- * result.w = undef;
- */
- src0 = src_vector(p, &inst->Src[0], fs);
- src1 = src_vector(p, &inst->Src[1], fs);
- tmp = i915_get_utemp(p);
-
- i915_emit_arith(p,
- A0_MUL,
- tmp, A0_DEST_CHANNEL_ALL, 0,
- swizzle(src0, Z, X, Y, ONE),
- swizzle(src1, Y, Z, X, ONE), 0);
-
- i915_emit_arith(p,
- A0_MAD,
- get_result_vector(p, &inst->Dst[0]),
- get_result_flags(inst), 0,
- swizzle(src0, Y, Z, X, ONE),
- swizzle(src1, Z, X, Y, ONE),
- negate(tmp, 1, 1, 1, 0));
- break;
-
default:
i915_program_error(p, "bad opcode %d", inst->Instruction.Opcode);
p->error = 1;
projects / mesa.git / blobdiff