diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_arit.c | 158 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_const.c | 20 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_flow.c | 2 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_flow.h | 4 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_logic.c | 132 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_pack.c | 15 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_sample.c | 41 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_sample.h | 3 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c | 935 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 164 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_type.h | 50 |
11 files changed, 1159 insertions, 365 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c index 32f9e5201c..f55d2b6d15 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c @@ -644,13 +644,26 @@ lp_build_abs(struct lp_build_context *bld, if(type.floating) { /* Mask out the sign bit */ - LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); - unsigned long long absMask = ~(1ULL << (type.width - 1)); - LLVMValueRef mask = lp_build_int_const_scalar(type, ((unsigned long long) absMask)); - a = LLVMBuildBitCast(bld->builder, a, int_vec_type, ""); - a = LLVMBuildAnd(bld->builder, a, mask, ""); - a = LLVMBuildBitCast(bld->builder, a, vec_type, ""); - return a; + if (type.length == 1) { + LLVMTypeRef int_type = LLVMIntType(type.width); + LLVMTypeRef float_type = LLVMFloatType(); + unsigned long long absMask = ~(1ULL << (type.width - 1)); + LLVMValueRef mask = LLVMConstInt(int_type, absMask, 0); + a = LLVMBuildBitCast(bld->builder, a, int_type, ""); + a = LLVMBuildAnd(bld->builder, a, mask, ""); + a = LLVMBuildBitCast(bld->builder, a, float_type, ""); + return a; + } + else { + /* vector of floats */ + LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); + unsigned long long absMask = ~(1ULL << (type.width - 1)); + LLVMValueRef mask = lp_build_int_const_scalar(type, ((unsigned long long) absMask)); + a = LLVMBuildBitCast(bld->builder, a, int_vec_type, ""); + a = LLVMBuildAnd(bld->builder, a, mask, ""); + a = LLVMBuildBitCast(bld->builder, a, vec_type, ""); + return a; + } } if(type.width*type.length == 128 && util_cpu_caps.has_ssse3) { @@ -753,7 +766,7 @@ lp_build_set_sign(struct lp_build_context *bld, /** - * Convert vector of int to vector of float. + * Convert vector of (or scalar) int to vector of (or scalar) float. */ LLVMValueRef lp_build_int_to_float(struct lp_build_context *bld, @@ -764,7 +777,11 @@ lp_build_int_to_float(struct lp_build_context *bld, assert(type.floating); /*assert(lp_check_value(type, a));*/ - { + if (type.length == 1) { + LLVMTypeRef float_type = LLVMFloatType(); + return LLVMBuildSIToFP(bld->builder, a, float_type, ""); + } + else { LLVMTypeRef vec_type = lp_build_vec_type(type); /*LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);*/ LLVMValueRef res; @@ -866,6 +883,10 @@ lp_build_floor(struct lp_build_context *bld, assert(type.floating); + if (type.length == 1) { + return LLVMBuildFPTrunc(bld->builder, a, LLVMFloatType(), ""); + } + if(util_cpu_caps.has_sse4_1) return lp_build_round_sse41(bld, a, LP_BUILD_ROUND_SSE41_FLOOR); else { @@ -921,15 +942,24 @@ lp_build_itrunc(struct lp_build_context *bld, LLVMValueRef a) { const struct lp_type type = bld->type; - LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); assert(type.floating); - assert(lp_check_value(type, a)); - return LLVMBuildFPToSI(bld->builder, a, int_vec_type, ""); + if (type.length == 1) { + LLVMTypeRef int_type = LLVMIntType(type.width); + return LLVMBuildFPTrunc(bld->builder, a, int_type, ""); + } + else { + LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); + assert(lp_check_value(type, a)); + return LLVMBuildFPToSI(bld->builder, a, int_vec_type, ""); + } } +/** + * Convert float[] to int[] with round(). + */ LLVMValueRef lp_build_iround(struct lp_build_context *bld, LLVMValueRef a) @@ -939,6 +969,15 @@ lp_build_iround(struct lp_build_context *bld, LLVMValueRef res; assert(type.floating); + + if (type.length == 1) { + /* scalar float to int */ + LLVMTypeRef int_type = LLVMIntType(type.width); + /* XXX we want rounding here! */ + res = LLVMBuildFPToSI(bld->builder, a, int_type, ""); + return res; + } + assert(lp_check_value(type, a)); if(util_cpu_caps.has_sse4_1) { @@ -981,6 +1020,14 @@ lp_build_ifloor(struct lp_build_context *bld, LLVMValueRef res; assert(type.floating); + + if (type.length == 1) { + /* scalar float to int */ + LLVMTypeRef int_type = LLVMIntType(type.width); + res = LLVMBuildFPToSI(bld->builder, a, int_type, ""); + return res; + } + assert(lp_check_value(type, a)); if(util_cpu_caps.has_sse4_1) { @@ -1207,6 +1254,7 @@ lp_build_polynomial(struct lp_build_context *bld, unsigned num_coeffs) { const struct lp_type type = bld->type; + LLVMTypeRef float_type = LLVMFloatType(); LLVMValueRef res = NULL; unsigned i; @@ -1216,7 +1264,13 @@ lp_build_polynomial(struct lp_build_context *bld, __FUNCTION__); for (i = num_coeffs; i--; ) { - LLVMValueRef coeff = lp_build_const_scalar(type, coeffs[i]); + LLVMValueRef coeff; + + if (type.length == 1) + coeff = LLVMConstReal(float_type, coeffs[i]); + else + coeff = lp_build_const_scalar(type, coeffs[i]); + if(res) res = lp_build_add(bld, coeff, lp_build_mul(bld, x, res)); else @@ -1410,11 +1464,87 @@ lp_build_log2_approx(struct lp_build_context *bld, } +/** scalar version of above function */ +static void +lp_build_float_log2_approx(struct lp_build_context *bld, + LLVMValueRef x, + LLVMValueRef *p_exp, + LLVMValueRef *p_floor_log2, + LLVMValueRef *p_log2) +{ + const struct lp_type type = bld->type; + LLVMTypeRef float_type = LLVMFloatType(); + LLVMTypeRef int_type = LLVMIntType(type.width); + + LLVMValueRef expmask = LLVMConstInt(int_type, 0x7f800000, 0); + LLVMValueRef mantmask = LLVMConstInt(int_type, 0x007fffff, 0); + LLVMValueRef one = LLVMConstBitCast(bld->one, int_type); + + LLVMValueRef i = NULL; + LLVMValueRef exp = NULL; + LLVMValueRef mant = NULL; + LLVMValueRef logexp = NULL; + LLVMValueRef logmant = NULL; + LLVMValueRef res = NULL; + + if(p_exp || p_floor_log2 || p_log2) { + /* TODO: optimize the constant case */ + if(LLVMIsConstant(x)) + debug_printf("%s: inefficient/imprecise constant arithmetic\n", + __FUNCTION__); + + assert(type.floating && type.width == 32); + + i = LLVMBuildBitCast(bld->builder, x, int_type, ""); + + /* exp = (float) exponent(x) */ + exp = LLVMBuildAnd(bld->builder, i, expmask, ""); + } + + if(p_floor_log2 || p_log2) { + LLVMValueRef c23 = LLVMConstInt(int_type, 23, 0); + LLVMValueRef c127 = LLVMConstInt(int_type, 127, 0); + logexp = LLVMBuildLShr(bld->builder, exp, c23, ""); + logexp = LLVMBuildSub(bld->builder, logexp, c127, ""); + logexp = LLVMBuildSIToFP(bld->builder, logexp, float_type, ""); + } + + if(p_log2) { + /* mant = (float) mantissa(x) */ + mant = LLVMBuildAnd(bld->builder, i, mantmask, ""); + mant = LLVMBuildOr(bld->builder, mant, one, ""); + mant = LLVMBuildBitCast(bld->builder, mant, float_type, ""); + + logmant = lp_build_polynomial(bld, mant, lp_build_log2_polynomial, + Elements(lp_build_log2_polynomial)); + + /* This effectively increases the polynomial degree by one, but ensures that log2(1) == 0*/ + logmant = LLVMBuildMul(bld->builder, logmant, LLVMBuildSub(bld->builder, mant, bld->one, ""), ""); + + res = LLVMBuildAdd(bld->builder, logmant, logexp, ""); + } + + if(p_exp) + *p_exp = exp; + + if(p_floor_log2) + *p_floor_log2 = logexp; + + if(p_log2) + *p_log2 = res; +} + + LLVMValueRef lp_build_log2(struct lp_build_context *bld, LLVMValueRef x) { LLVMValueRef res; - lp_build_log2_approx(bld, x, NULL, NULL, &res); + if (bld->type.length == 1) { + lp_build_float_log2_approx(bld, x, NULL, NULL, &res); + } + else { + lp_build_log2_approx(bld, x, NULL, NULL, &res); + } return res; } diff --git a/src/gallium/auxiliary/gallivm/lp_bld_const.c b/src/gallium/auxiliary/gallivm/lp_bld_const.c index c8eaa8c394..8a275fa72f 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_const.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_const.c @@ -221,8 +221,16 @@ lp_build_undef(struct lp_type type) LLVMValueRef lp_build_zero(struct lp_type type) { - LLVMTypeRef vec_type = lp_build_vec_type(type); - return LLVMConstNull(vec_type); + if (type.length == 1) { + if (type.floating) + return LLVMConstReal(LLVMFloatType(), 0.0); + else + return LLVMConstInt(LLVMIntType(type.width), 0, 0); + } + else { + LLVMTypeRef vec_type = lp_build_vec_type(type); + return LLVMConstNull(vec_type); + } } @@ -264,10 +272,16 @@ lp_build_one(struct lp_type type) for(i = 1; i < type.length; ++i) elems[i] = elems[0]; - return LLVMConstVector(elems, type.length); + if (type.length == 1) + return elems[0]; + else + return LLVMConstVector(elems, type.length); } +/** + * Build constant-valued vector from a scalar value. + */ LLVMValueRef lp_build_const_scalar(struct lp_type type, double val) diff --git a/src/gallium/auxiliary/gallivm/lp_bld_flow.c b/src/gallium/auxiliary/gallivm/lp_bld_flow.c index bc83138908..c2f35419ec 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_flow.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_flow.c @@ -308,7 +308,7 @@ lp_build_flow_scope_end(struct lp_build_flow_context *flow) * Note: this function has no dependencies on the flow code and could * be used elsewhere. */ -static LLVMBasicBlockRef +LLVMBasicBlockRef lp_build_insert_new_block(LLVMBuilderRef builder, const char *name) { LLVMBasicBlockRef current_block; diff --git a/src/gallium/auxiliary/gallivm/lp_bld_flow.h b/src/gallium/auxiliary/gallivm/lp_bld_flow.h index 4c225a0d4f..8bb22543ee 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_flow.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_flow.h @@ -145,7 +145,9 @@ lp_build_else(struct lp_build_if_state *ctx); void lp_build_endif(struct lp_build_if_state *ctx); - + +LLVMBasicBlockRef +lp_build_insert_new_block(LLVMBuilderRef builder, const char *name); #endif /* !LP_BLD_FLOW_H */ diff --git a/src/gallium/auxiliary/gallivm/lp_bld_logic.c b/src/gallium/auxiliary/gallivm/lp_bld_logic.c index 2726747eae..fa65895367 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_logic.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_logic.c @@ -42,6 +42,26 @@ #include "lp_bld_logic.h" +/* + * XXX + * + * Selection with vector conditional like + * + * select <4 x i1> %C, %A, %B + * + * is valid IR (e.g. llvm/test/Assembler/vector-select.ll), but it is not + * supported on any backend. + * + * Expanding the boolean vector to full SIMD register width, as in + * + * sext <4 x i1> %C to <4 x i32> + * + * is valid and supported (e.g., llvm/test/CodeGen/X86/vec_compare.ll), but + * it causes assertion failures in LLVM 2.6. It appears to work correctly on + * LLVM 2.7. + */ + + /** * Build code to compare two values 'a' and 'b' of 'type' using the given func. * \param func one of PIPE_FUNC_x @@ -74,6 +94,7 @@ lp_build_compare(LLVMBuilderRef builder, /* XXX: It is not clear if we should use the ordered or unordered operators */ +#if !defined(HAVE_LLVM) || HAVE_LLVM < 0x0207 #if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) if(type.width * type.length == 128) { if(type.floating && util_cpu_caps.has_sse) { @@ -198,8 +219,9 @@ lp_build_compare(LLVMBuilderRef builder, return res; } - } + } /* if (type.width * type.length == 128) */ #endif +#endif /* HAVE_LLVM < 0x0207 */ if(type.floating) { LLVMRealPredicate op; @@ -233,25 +255,29 @@ lp_build_compare(LLVMBuilderRef builder, return lp_build_undef(type); } -#if 0 - /* XXX: Although valid IR, no LLVM target currently support this */ +#if HAVE_LLVM >= 0x0207 cond = LLVMBuildFCmp(builder, op, a, b, ""); - res = LLVMBuildSelect(builder, cond, ones, zeros, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); #else - debug_printf("%s: warning: using slow element-wise vector comparison\n", - __FUNCTION__); res = LLVMGetUndef(int_vec_type); - for(i = 0; i < type.length; ++i) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - cond = LLVMBuildFCmp(builder, op, - LLVMBuildExtractElement(builder, a, index, ""), - LLVMBuildExtractElement(builder, b, index, ""), - ""); - cond = LLVMBuildSelect(builder, cond, - LLVMConstExtractElement(ones, index), - LLVMConstExtractElement(zeros, index), - ""); - res = LLVMBuildInsertElement(builder, res, cond, index, ""); + if (type.length == 1) { + res = LLVMBuildFCmp(builder, op, a, b, ""); + } + else { + debug_printf("%s: warning: using slow element-wise float" + " vector comparison\n", __FUNCTION__); + for (i = 0; i < type.length; ++i) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); + cond = LLVMBuildFCmp(builder, op, + LLVMBuildExtractElement(builder, a, index, ""), + LLVMBuildExtractElement(builder, b, index, ""), + ""); + cond = LLVMBuildSelect(builder, cond, + LLVMConstExtractElement(ones, index), + LLVMConstExtractElement(zeros, index), + ""); + res = LLVMBuildInsertElement(builder, res, cond, index, ""); + } } #endif } @@ -281,25 +307,30 @@ lp_build_compare(LLVMBuilderRef builder, return lp_build_undef(type); } -#if 0 - /* XXX: Although valid IR, no LLVM target currently support this */ +#if HAVE_LLVM >= 0x0207 cond = LLVMBuildICmp(builder, op, a, b, ""); - res = LLVMBuildSelect(builder, cond, ones, zeros, ""); + res = LLVMBuildSExt(builder, cond, int_vec_type, ""); #else - debug_printf("%s: warning: using slow element-wise int vector comparison\n", - __FUNCTION__); res = LLVMGetUndef(int_vec_type); - for(i = 0; i < type.length; ++i) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - cond = LLVMBuildICmp(builder, op, - LLVMBuildExtractElement(builder, a, index, ""), - LLVMBuildExtractElement(builder, b, index, ""), - ""); - cond = LLVMBuildSelect(builder, cond, - LLVMConstExtractElement(ones, index), - LLVMConstExtractElement(zeros, index), - ""); - res = LLVMBuildInsertElement(builder, res, cond, index, ""); + if (type.length == 1) { + res = LLVMBuildICmp(builder, op, a, b, ""); + } + else { + debug_printf("%s: warning: using slow element-wise int" + " vector comparison\n", __FUNCTION__); + + for(i = 0; i < type.length; ++i) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); + cond = LLVMBuildICmp(builder, op, + LLVMBuildExtractElement(builder, a, index, ""), + LLVMBuildExtractElement(builder, b, index, ""), + ""); + cond = LLVMBuildSelect(builder, cond, + LLVMConstExtractElement(ones, index), + LLVMConstExtractElement(zeros, index), + ""); + res = LLVMBuildInsertElement(builder, res, cond, index, ""); + } } #endif } @@ -339,26 +370,31 @@ lp_build_select(struct lp_build_context *bld, if(a == b) return a; - if(type.floating) { - LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); - a = LLVMBuildBitCast(bld->builder, a, int_vec_type, ""); - b = LLVMBuildBitCast(bld->builder, b, int_vec_type, ""); + if (type.length == 1) { + res = LLVMBuildSelect(bld->builder, mask, a, b, ""); } + else { + if(type.floating) { + LLVMTypeRef int_vec_type = lp_build_int_vec_type(type); + a = LLVMBuildBitCast(bld->builder, a, int_vec_type, ""); + b = LLVMBuildBitCast(bld->builder, b, int_vec_type, ""); + } - a = LLVMBuildAnd(bld->builder, a, mask, ""); + a = LLVMBuildAnd(bld->builder, a, mask, ""); - /* This often gets translated to PANDN, but sometimes the NOT is - * pre-computed and stored in another constant. The best strategy depends - * on available registers, so it is not a big deal -- hopefully LLVM does - * the right decision attending the rest of the program. - */ - b = LLVMBuildAnd(bld->builder, b, LLVMBuildNot(bld->builder, mask, ""), ""); + /* This often gets translated to PANDN, but sometimes the NOT is + * pre-computed and stored in another constant. The best strategy depends + * on available registers, so it is not a big deal -- hopefully LLVM does + * the right decision attending the rest of the program. + */ + b = LLVMBuildAnd(bld->builder, b, LLVMBuildNot(bld->builder, mask, ""), ""); - res = LLVMBuildOr(bld->builder, a, b, ""); + res = LLVMBuildOr(bld->builder, a, b, ""); - if(type.floating) { - LLVMTypeRef vec_type = lp_build_vec_type(type); - res = LLVMBuildBitCast(bld->builder, res, vec_type, ""); + if(type.floating) { + LLVMTypeRef vec_type = lp_build_vec_type(type); + res = LLVMBuildBitCast(bld->builder, res, vec_type, ""); + } } return res; diff --git a/src/gallium/auxiliary/gallivm/lp_bld_pack.c b/src/gallium/auxiliary/gallivm/lp_bld_pack.c index bc360ad77a..4c61d10749 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_pack.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_pack.c @@ -256,7 +256,9 @@ lp_build_pack2(LLVMBuilderRef builder, LLVMValueRef lo, LLVMValueRef hi) { +#if !(HAVE_LLVM >= 0x0207) LLVMTypeRef src_vec_type = lp_build_vec_type(src_type); +#endif LLVMTypeRef dst_vec_type = lp_build_vec_type(dst_type); LLVMValueRef shuffle; LLVMValueRef res; @@ -272,11 +274,14 @@ lp_build_pack2(LLVMBuilderRef builder, switch(src_type.width) { case 32: if(dst_type.sign) { +#if HAVE_LLVM >= 0x0207 + res = lp_build_intrinsic_binary(builder, "llvm.x86.sse2.packssdw.128", dst_vec_type, lo, hi); +#else res = lp_build_intrinsic_binary(builder, "llvm.x86.sse2.packssdw.128", src_vec_type, lo, hi); +#endif } else { if (util_cpu_caps.has_sse4_1) { - /* PACKUSDW is the only instrinsic with a consistent signature */ return lp_build_intrinsic_binary(builder, "llvm.x86.sse41.packusdw", dst_vec_type, lo, hi); } else { @@ -288,9 +293,17 @@ lp_build_pack2(LLVMBuilderRef builder, case 16: if(dst_type.sign) +#if HAVE_LLVM >= 0x0207 + res = lp_build_intrinsic_binary(builder, "llvm.x86.sse2.packsswb.128", dst_vec_type, lo, hi); +#else res = lp_build_intrinsic_binary(builder, "llvm.x86.sse2.packsswb.128", src_vec_type, lo, hi); +#endif else +#if HAVE_LLVM >= 0x0207 + res = lp_build_intrinsic_binary(builder, "llvm.x86.sse2.packuswb.128", dst_vec_type, lo, hi); +#else res = lp_build_intrinsic_binary(builder, "llvm.x86.sse2.packuswb.128", src_vec_type, lo, hi); +#endif break; default: diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.c b/src/gallium/auxiliary/gallivm/lp_bld_sample.c index 6a026e468e..543fd5fea3 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.c @@ -62,6 +62,18 @@ lp_sampler_static_state(struct lp_sampler_static_state *state, if(!sampler) return; + /* + * We don't copy sampler state over unless it is actually enabled, to avoid + * spurious recompiles, as the sampler static state is part of the shader + * key. + * + * Ideally the state tracker or cso_cache module would make all state + * canonical, but until that happens it's better to be safe than sorry here. + * + * XXX: Actually there's much more than can be done here, especially + * regarding 1D/2D/3D/CUBE textures, wrap modes, etc. + */ + state->format = texture->format; state->target = texture->target; state->pot_width = util_is_pot(texture->width0); @@ -74,8 +86,12 @@ lp_sampler_static_state(struct lp_sampler_static_state *state, state->min_img_filter = sampler->min_img_filter; state->min_mip_filter = sampler->min_mip_filter; state->mag_img_filter = sampler->mag_img_filter; + state->compare_mode = sampler->compare_mode; - state->compare_func = sampler->compare_func; + if (sampler->compare_mode != PIPE_TEX_COMPARE_NONE) { + state->compare_func = sampler->compare_func; + } + state->normalized_coords = sampler->normalized_coords; state->lod_bias = sampler->lod_bias; state->min_lod = sampler->min_lod; @@ -139,15 +155,16 @@ lp_build_gather(LLVMBuilderRef builder, /** * Compute the offset of a pixel. * - * x, y, y_stride are vectors + * x, y, z, y_stride, z_stride are vectors */ LLVMValueRef lp_build_sample_offset(struct lp_build_context *bld, const struct util_format_description *format_desc, LLVMValueRef x, LLVMValueRef y, + LLVMValueRef z, LLVMValueRef y_stride, - LLVMValueRef data_ptr) + LLVMValueRef z_stride) { LLVMValueRef x_stride; LLVMValueRef offset; @@ -163,6 +180,10 @@ lp_build_sample_offset(struct lp_build_context *bld, LLVMValueRef y_offset_lo, y_offset_hi; LLVMValueRef offset_lo, offset_hi; + /* XXX 1D & 3D addressing not done yet */ + assert(!z); + assert(!z_stride); + x_lo = LLVMBuildAnd(bld->builder, x, bld->one, ""); y_lo = LLVMBuildAnd(bld->builder, y, bld->one, ""); @@ -186,13 +207,17 @@ lp_build_sample_offset(struct lp_build_context *bld, offset = lp_build_add(bld, offset_hi, offset_lo); } else { - LLVMValueRef x_offset; - LLVMValueRef y_offset; + offset = lp_build_mul(bld, x, x_stride); - x_offset = lp_build_mul(bld, x, x_stride); - y_offset = lp_build_mul(bld, y, y_stride); + if (y && y_stride) { + LLVMValueRef y_offset = lp_build_mul(bld, y, y_stride); + offset = lp_build_add(bld, offset, y_offset); + } - offset = lp_build_add(bld, x_offset, y_offset); + if (z && z_stride) { + LLVMValueRef z_offset = lp_build_mul(bld, z, z_stride); + offset = lp_build_add(bld, offset, z_offset); + } } return offset; diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.h b/src/gallium/auxiliary/gallivm/lp_bld_sample.h index 5ba0925bb6..5b8da5dbf2 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.h @@ -148,8 +148,9 @@ lp_build_sample_offset(struct lp_build_context *bld, const struct util_format_description *format_desc, LLVMValueRef x, LLVMValueRef y, + LLVMValueRef z, LLVMValueRef y_stride, - LLVMValueRef data_ptr); + LLVMValueRef z_stride); void diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c index 9058f76c1d..dadae61115 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c @@ -65,6 +65,14 @@ struct lp_build_sample_context const struct util_format_description *format_desc; + /** regular scalar float type */ + struct lp_type float_type; + struct lp_build_context float_bld; + + /** regular scalar float type */ + struct lp_type int_type; + struct lp_build_context int_bld; + /** Incoming coordinates type and build context */ struct lp_type coord_type; struct lp_build_context coord_bld; @@ -108,9 +116,50 @@ wrap_mode_uses_border_color(unsigned mode) } +static LLVMValueRef +lp_build_get_mipmap_level(struct lp_build_sample_context *bld, + LLVMValueRef data_array, LLVMValueRef level) +{ + LLVMValueRef indexes[2], data_ptr; + indexes[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); + indexes[1] = level; + data_ptr = LLVMBuildGEP(bld->builder, data_array, indexes, 2, ""); + data_ptr = LLVMBuildLoad(bld->builder, data_ptr, ""); + return data_ptr; +} + + +static LLVMValueRef +lp_build_get_const_mipmap_level(struct lp_build_sample_context *bld, + LLVMValueRef data_array, int level) +{ + LLVMValueRef lvl = LLVMConstInt(LLVMInt32Type(), level, 0); + return lp_build_get_mipmap_level(bld, data_array, lvl); +} + + +static int +texture_dims(enum pipe_texture_target tex) +{ + switch (tex) { + case PIPE_TEXTURE_1D: + return 1; + case PIPE_TEXTURE_2D: + case PIPE_TEXTURE_CUBE: + return 2; + case PIPE_TEXTURE_3D: + return 3; + default: + assert(0 && "bad texture target in texture_dims()"); + return 2; + } +} + + /** - * Gen code to fetch a texel from a texture at int coords (x, y). + * Generate code to fetch a texel from a texture at int coords (x, y, z). + * The computation depends on whether the texture is 1D, 2D or 3D. * The result, texel, will be: * texel[0] = red values * texel[1] = green values @@ -121,12 +170,16 @@ static void lp_build_sample_texel_soa(struct lp_build_sample_context *bld, LLVMValueRef width, LLVMValueRef height, + LLVMValueRef depth, LLVMValueRef x, LLVMValueRef y, + LLVMValueRef z, LLVMValueRef y_stride, + LLVMValueRef z_stride, LLVMValueRef data_ptr, LLVMValueRef *texel) { + const int dims = texture_dims(bld->static_state->target); struct lp_build_context *int_coord_bld = &bld->int_coord_bld; LLVMValueRef offset; LLVMValueRef packed; @@ -140,7 +193,7 @@ lp_build_sample_texel_soa(struct lp_build_sample_context *bld, use_border = LLVMBuildOr(bld->builder, b1, b2, "b1_or_b2"); } - if (wrap_mode_uses_border_color(bld->static_state->wrap_t)) { + if (dims >= 2 && wrap_mode_uses_border_color(bld->static_state->wrap_t)) { LLVMValueRef b1, b2; b1 = lp_build_cmp(int_coord_bld, PIPE_FUNC_LESS, y, int_coord_bld->zero); b2 = lp_build_cmp(int_coord_bld, PIPE_FUNC_GEQUAL, y, height); @@ -153,6 +206,19 @@ lp_build_sample_texel_soa(struct lp_build_sample_context *bld, } } + if (dims == 3 && wrap_mode_uses_border_color(bld->static_state->wrap_r)) { + LLVMValueRef b1, b2; + b1 = lp_build_cmp(int_coord_bld, PIPE_FUNC_LESS, z, int_coord_bld->zero); + b2 = lp_build_cmp(int_coord_bld, PIPE_FUNC_GEQUAL, z, depth); + if (use_border) { + use_border = LLVMBuildOr(bld->builder, use_border, b1, "ub_or_b1"); + use_border = LLVMBuildOr(bld->builder, use_border, b2, "ub_or_b2"); + } + else { + use_border = LLVMBuildOr(bld->builder, b1, b2, "b1_or_b2"); + } + } + /* * Note: if we find an app which frequently samples the texture border * we might want to implement a true conditional here to avoid sampling @@ -168,11 +234,10 @@ lp_build_sample_texel_soa(struct lp_build_sample_context *bld, * the texel color results with the border color. */ - /* convert x,y coords to linear offset from start of texture, in bytes */ + /* convert x,y,z coords to linear offset from start of texture, in bytes */ offset = lp_build_sample_offset(&bld->uint_coord_bld, bld->format_desc, - x, y, y_stride, - data_ptr); + x, y, z, y_stride, z_stride); assert(bld->format_desc->block.width == 1); assert(bld->format_desc->block.height == 1); @@ -185,6 +250,8 @@ lp_build_sample_texel_soa(struct lp_build_sample_context *bld, bld->texel_type.width, data_ptr, offset); + texel[0] = texel[1] = texel[2] = texel[3] = NULL; + /* convert texels to float rgba */ lp_build_unpack_rgba_soa(bld->builder, bld->format_desc, @@ -210,19 +277,22 @@ lp_build_sample_packed(struct lp_build_sample_context *bld, LLVMValueRef x, LLVMValueRef y, LLVMValueRef y_stride, - LLVMValueRef data_ptr) + LLVMValueRef data_array) { LLVMValueRef offset; + LLVMValueRef data_ptr; offset = lp_build_sample_offset(&bld->uint_coord_bld, bld->format_desc, - x, y, y_stride, - data_ptr); + x, y, NULL, y_stride, NULL); assert(bld->format_desc->block.width == 1); assert(bld->format_desc->block.height == 1); assert(bld->format_desc->block.bits <= bld->texel_type.width); + /* get pointer to mipmap level 0 data */ + data_ptr = lp_build_get_const_mipmap_level(bld, data_array, 0); + return lp_build_gather(bld->builder, bld->texel_type.length, bld->format_desc->block.bits, @@ -711,76 +781,566 @@ lp_build_sample_wrap_nearest(struct lp_build_sample_context *bld, /** - * Sample 2D texture with nearest filtering. + * Codegen equivalent for u_minify(). + * Return max(1, base_size >> level); + */ +static LLVMValueRef +lp_build_minify(struct lp_build_sample_context *bld, + LLVMValueRef base_size, + LLVMValueRef level) +{ + LLVMValueRef size = LLVMBuildAShr(bld->builder, base_size, level, "minify"); + size = lp_build_max(&bld->int_coord_bld, size, bld->int_coord_bld.one); + return size; +} + + +/** + * Generate code to compute texture level of detail (lambda). + * \param s vector of texcoord s values + * \param t vector of texcoord t values + * \param r vector of texcoord r values + * \param width scalar int texture width + * \param height scalar int texture height + * \param depth scalar int texture depth + */ +static LLVMValueRef +lp_build_lod_selector(struct lp_build_sample_context *bld, + LLVMValueRef s, + LLVMValueRef t, + LLVMValueRef r, + LLVMValueRef width, + LLVMValueRef height, + LLVMValueRef depth) + +{ + const int dims = texture_dims(bld->static_state->target); + struct lp_build_context *float_bld = &bld->float_bld; + LLVMValueRef lod_bias = LLVMConstReal(LLVMFloatType(), bld->static_state->lod_bias); + LLVMValueRef min_lod = LLVMConstReal(LLVMFloatType(), bld->static_state->min_lod); + LLVMValueRef max_lod = LLVMConstReal(LLVMFloatType(), bld->static_state->max_lod); + + LLVMValueRef index0 = LLVMConstInt(LLVMInt32Type(), 0, 0); + LLVMValueRef index1 = LLVMConstInt(LLVMInt32Type(), 1, 0); + LLVMValueRef index2 = LLVMConstInt(LLVMInt32Type(), 2, 0); + + LLVMValueRef s0, s1, s2; + LLVMValueRef t0, t1, t2; + LLVMValueRef r0, r1, r2; + LLVMValueRef dsdx, dsdy, dtdx, dtdy, drdx, drdy; + LLVMValueRef rho, lod; + + /* + * dsdx = abs(s[1] - s[0]); + * dsdy = abs(s[2] - s[0]); + * dtdx = abs(t[1] - t[0]); + * dtdy = abs(t[2] - t[0]); + * drdx = abs(r[1] - r[0]); + * drdy = abs(r[2] - r[0]); + * XXX we're assuming a four-element quad in 2x2 layout here. + */ + s0 = LLVMBuildExtractElement(bld->builder, s, index0, "s0"); + s1 = LLVMBuildExtractElement(bld->builder, s, index1, "s1"); + s2 = LLVMBuildExtractElement(bld->builder, s, index2, "s2"); + dsdx = LLVMBuildSub(bld->builder, s1, s0, ""); + dsdx = lp_build_abs(float_bld, dsdx); + dsdy = LLVMBuildSub(bld->builder, s2, s0, ""); + dsdy = lp_build_abs(float_bld, dsdy); + if (dims > 1) { + t0 = LLVMBuildExtractElement(bld->builder, t, index0, "t0"); + t1 = LLVMBuildExtractElement(bld->builder, t, index1, "t1"); + t2 = LLVMBuildExtractElement(bld->builder, t, index2, "t2"); + dtdx = LLVMBuildSub(bld->builder, t1, t0, ""); + dtdx = lp_build_abs(float_bld, dtdx); + dtdy = LLVMBuildSub(bld->builder, t2, t0, ""); + dtdy = lp_build_abs(float_bld, dtdy); + if (dims > 2) { + r0 = LLVMBuildExtractElement(bld->builder, r, index0, "r0"); + r1 = LLVMBuildExtractElement(bld->builder, r, index1, "r1"); + r2 = LLVMBuildExtractElement(bld->builder, r, index2, "r2"); + drdx = LLVMBuildSub(bld->builder, r1, r0, ""); + drdx = lp_build_abs(float_bld, drdx); + drdy = LLVMBuildSub(bld->builder, r2, r0, ""); + drdy = lp_build_abs(float_bld, drdy); + } + } + + /* Compute rho = max of all partial derivatives scaled by texture size. + * XXX this could be vectorized somewhat + */ + rho = LLVMBuildMul(bld->builder, + lp_build_max(float_bld, dsdx, dsdy), + lp_build_int_to_float(float_bld, width), ""); + if (dims > 1) { + LLVMValueRef max; + max = LLVMBuildMul(bld->builder, + lp_build_max(float_bld, dtdx, dtdy), + lp_build_int_to_float(float_bld, height), ""); + rho = lp_build_max(float_bld, rho, max); + if (dims > 2) { + max = LLVMBuildMul(bld->builder, + lp_build_max(float_bld, drdx, drdy), + lp_build_int_to_float(float_bld, depth), ""); + rho = lp_build_max(float_bld, rho, max); + } + } + + /* compute lod = log2(rho) */ + lod = lp_build_log2(float_bld, rho); + + /* add lod bias */ + lod = LLVMBuildAdd(bld->builder, lod, lod_bias, "LOD bias"); + + /* clamp lod */ + lod = lp_build_clamp(float_bld, lod, min_lod, max_lod); + + return lod; +} + + +/** + * For PIPE_TEX_MIPFILTER_NEAREST, convert float LOD to integer + * mipmap level index. + * Note: this is all scalar code. + * \param lod scalar float texture level of detail + * \param level_out returns integer */ static void -lp_build_sample_2d_nearest_soa(struct lp_build_sample_context *bld, - LLVMValueRef s, - LLVMValueRef t, - LLVMValueRef width, - LLVMValueRef height, - LLVMValueRef stride, - LLVMValueRef data_ptr, - LLVMValueRef *texel) +lp_build_nearest_mip_level(struct lp_build_sample_context *bld, + unsigned unit, + LLVMValueRef lod, + LLVMValueRef *level_out) { - LLVMValueRef x, y; + struct lp_build_context *float_bld = &bld->float_bld; + struct lp_build_context *int_bld = &bld->int_bld; + LLVMValueRef last_level, level; - x = lp_build_sample_wrap_nearest(bld, s, width, - bld->static_state->pot_width, - bld->static_state->wrap_s); - y = lp_build_sample_wrap_nearest(bld, t, height, - bld->static_state->pot_height, - bld->static_state->wrap_t); + LLVMValueRef zero = LLVMConstInt(LLVMInt32Type(), 0, 0); - lp_build_name(x, "tex.x.wrapped"); - lp_build_name(y, "tex.y.wrapped"); + last_level = bld->dynamic_state->last_level(bld->dynamic_state, + bld->builder, unit); + + /* convert float lod to integer */ + level = lp_build_iround(float_bld, lod); + + /* clamp level to legal range of levels */ + *level_out = lp_build_clamp(int_bld, level, zero, last_level); +} + + +/** + * For PIPE_TEX_MIPFILTER_LINEAR, convert float LOD to integer to + * two (adjacent) mipmap level indexes. Later, we'll sample from those + * two mipmap levels and interpolate between them. + */ +static void +lp_build_linear_mip_levels(struct lp_build_sample_context *bld, + unsigned unit, + LLVMValueRef lod, + LLVMValueRef *level0_out, + LLVMValueRef *level1_out, + LLVMValueRef *weight_out) +{ + struct lp_build_context *float_bld = &bld->float_bld; + struct lp_build_context *int_bld = &bld->int_bld; + LLVMValueRef last_level, level; + + last_level = bld->dynamic_state->last_level(bld->dynamic_state, + bld->builder, unit); + + /* convert float lod to integer */ + level = lp_build_ifloor(float_bld, lod); + + /* compute level 0 and clamp to legal range of levels */ + *level0_out = lp_build_clamp(int_bld, level, + int_bld->zero, + last_level); + /* compute level 1 and clamp to legal range of levels */ + *level1_out = lp_build_add(int_bld, *level0_out, int_bld->one); + *level1_out = lp_build_min(int_bld, *level1_out, int_bld->zero); - lp_build_sample_texel_soa(bld, width, height, x, y, stride, data_ptr, texel); + *weight_out = lp_build_fract(float_bld, lod); } /** - * Sample 2D texture with bilinear filtering. + * Generate code to sample a mipmap level with nearest filtering. */ static void -lp_build_sample_2d_linear_soa(struct lp_build_sample_context *bld, +lp_build_sample_image_nearest(struct lp_build_sample_context *bld, + LLVMValueRef width_vec, + LLVMValueRef height_vec, + LLVMValueRef depth_vec, + LLVMValueRef row_stride_vec, + LLVMValueRef img_stride_vec, + LLVMValueRef data_ptr, LLVMValueRef s, LLVMValueRef t, - LLVMValueRef width, - LLVMValueRef height, - LLVMValueRef stride, - LLVMValueRef data_ptr, - LLVMValueRef *texel) + LLVMValueRef r, + LLVMValueRef colors_out[4]) { - LLVMValueRef s_fpart; - LLVMValueRef t_fpart; - LLVMValueRef x0, x1; - LLVMValueRef y0, y1; + const int dims = texture_dims(bld->static_state->target); + LLVMValueRef x, y, z; + + /* + * Compute integer texcoords. + */ + x = lp_build_sample_wrap_nearest(bld, s, width_vec, + bld->static_state->pot_width, + bld->static_state->wrap_s); + lp_build_name(x, "tex.x.wrapped"); + + if (dims >= 2) { + y = lp_build_sample_wrap_nearest(bld, t, height_vec, + bld->static_state->pot_height, + bld->static_state->wrap_t); + lp_build_name(y, "tex.y.wrapped"); + + if (dims == 3) { + z = lp_build_sample_wrap_nearest(bld, r, depth_vec, + bld->static_state->pot_height, + bld->static_state->wrap_r); + lp_build_name(z, "tex.z.wrapped"); + } + else { + z = NULL; + } + } + else { + y = NULL; + } + + /* + * Get texture colors. + */ + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x, y, z, + row_stride_vec, img_stride_vec, + data_ptr, colors_out); +} + + +/** + * Generate code to sample a mipmap level with linear filtering. + * 1D, 2D and 3D images are suppored. + */ +static void +lp_build_sample_image_linear(struct lp_build_sample_context *bld, + LLVMValueRef width_vec, + LLVMValueRef height_vec, + LLVMValueRef depth_vec, + LLVMValueRef row_stride_vec, + LLVMValueRef img_stride_vec, + LLVMValueRef data_ptr, + LLVMValueRef s, + LLVMValueRef t, + LLVMValueRef r, + LLVMValueRef colors_out[4]) +{ + const int dims = texture_dims(bld->static_state->target); + LLVMValueRef x0, y0, z0, x1, y1, z1; + LLVMValueRef s_fpart, t_fpart, r_fpart; LLVMValueRef neighbors[2][2][4]; - unsigned chan; + int chan; - lp_build_sample_wrap_linear(bld, s, width, bld->static_state->pot_width, - bld->static_state->wrap_s, &x0, &x1, &s_fpart); - lp_build_sample_wrap_linear(bld, t, height, bld->static_state->pot_height, - bld->static_state->wrap_t, &y0, &y1, &t_fpart); + /* + * Compute integer texcoords. + */ + lp_build_sample_wrap_linear(bld, s, width_vec, + bld->static_state->pot_width, + bld->static_state->wrap_s, + &x0, &x1, &s_fpart); + lp_build_name(x0, "tex.x0.wrapped"); + lp_build_name(x1, "tex.x1.wrapped"); + + if (dims >= 2) { + lp_build_sample_wrap_linear(bld, t, height_vec, + bld->static_state->pot_height, + bld->static_state->wrap_t, + &y0, &y1, &t_fpart); + lp_build_name(y0, "tex.y0.wrapped"); + lp_build_name(y1, "tex.y1.wrapped"); + + if (dims == 3) { + lp_build_sample_wrap_linear(bld, r, depth_vec, + bld->static_state->pot_depth, + bld->static_state->wrap_r, + &z0, &z1, &r_fpart); + lp_build_name(z0, "tex.z0.wrapped"); + lp_build_name(z1, "tex.z1.wrapped"); + } + else { + z0 = z1 = r_fpart = NULL; + } + } + else { + y0 = y1 = t_fpart = NULL; + } - lp_build_sample_texel_soa(bld, width, height, x0, y0, stride, data_ptr, neighbors[0][0]); - lp_build_sample_texel_soa(bld, width, height, x1, y0, stride, data_ptr, neighbors[0][1]); - lp_build_sample_texel_soa(bld, width, height, x0, y1, stride, data_ptr, neighbors[1][0]); - lp_build_sample_texel_soa(bld, width, height, x1, y1, stride, data_ptr, neighbors[1][1]); + /* + * Get texture colors. + */ + /* get x0/x1 texels */ + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x0, y0, z0, + row_stride_vec, img_stride_vec, + data_ptr, neighbors[0][0]); + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x1, y0, z0, + row_stride_vec, img_stride_vec, + data_ptr, neighbors[0][1]); + + if (dims == 1) { + /* Interpolate two samples from 1D image to produce one color */ + colors_out[chan] = lp_build_lerp(&bld->texel_bld, s_fpart, + neighbors[0][0][chan], + neighbors[0][1][chan]); + } + else { + /* 2D/3D texture */ + LLVMValueRef colors0[4]; + + /* get x0/x1 texels at y1 */ + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x0, y1, z0, + row_stride_vec, img_stride_vec, + data_ptr, neighbors[1][0]); + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x1, y1, z0, + row_stride_vec, img_stride_vec, + data_ptr, neighbors[1][1]); + + /* Bilinear interpolate the four samples from the 2D image / 3D slice */ + for (chan = 0; chan < 4; chan++) { + colors0[chan] = lp_build_lerp_2d(&bld->texel_bld, + s_fpart, t_fpart, + neighbors[0][0][chan], + neighbors[0][1][chan], + neighbors[1][0][chan], + neighbors[1][1][chan]); + } - /* TODO: Don't interpolate missing channels */ - for(chan = 0; chan < 4; ++chan) { - texel[chan] = lp_build_lerp_2d(&bld->texel_bld, - s_fpart, t_fpart, - neighbors[0][0][chan], - neighbors[0][1][chan], - neighbors[1][0][chan], - neighbors[1][1][chan]); + if (dims == 3) { + LLVMValueRef neighbors1[2][2][4]; + LLVMValueRef colors1[4]; + + /* get x0/x1/y0/y1 texels at z1 */ + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x0, y0, z1, + row_stride_vec, img_stride_vec, + data_ptr, neighbors1[0][0]); + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x1, y0, z1, + row_stride_vec, img_stride_vec, + data_ptr, neighbors1[0][1]); + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x0, y1, z1, + row_stride_vec, img_stride_vec, + data_ptr, neighbors1[1][0]); + lp_build_sample_texel_soa(bld, width_vec, height_vec, depth_vec, + x1, y1, z1, + row_stride_vec, img_stride_vec, + data_ptr, neighbors1[1][1]); + + /* Bilinear interpolate the four samples from the second Z slice */ + for (chan = 0; chan < 4; chan++) { + colors1[chan] = lp_build_lerp_2d(&bld->texel_bld, + s_fpart, t_fpart, + neighbors1[0][0][chan], + neighbors1[0][1][chan], + neighbors1[1][0][chan], + neighbors1[1][1][chan]); + } + + /* Linearly interpolate the two samples from the two 3D slices */ + for (chan = 0; chan < 4; chan++) { + colors_out[chan] = lp_build_lerp(&bld->texel_bld, + r_fpart, + colors0[chan], colors1[chan]); + } + } + else { + /* 2D tex */ + for (chan = 0; chan < 4; chan++) { + colors_out[chan] = colors0[chan]; + } + } } } + +/** + * General texture sampling codegen. + * This function handles texture sampling for all texture targets (1D, + * 2D, 3D, cube) and all filtering modes. + */ +static void +lp_build_sample_general(struct lp_build_sample_context *bld, + unsigned unit, + LLVMValueRef s, + LLVMValueRef t, + LLVMValueRef r, + LLVMValueRef width, + LLVMValueRef height, + LLVMValueRef depth, + LLVMValueRef width_vec, + LLVMValueRef height_vec, + LLVMValueRef depth_vec, + LLVMValueRef row_stride_vec, + LLVMValueRef img_stride_vec, + LLVMValueRef data_array, + LLVMValueRef *colors_out) +{ + const unsigned mip_filter = bld->static_state->min_mip_filter; + const unsigned min_filter = bld->static_state->min_img_filter; + const unsigned mag_filter = bld->static_state->mag_img_filter; + const int dims = texture_dims(bld->static_state->target); + LLVMValueRef lod, lod_fpart; + LLVMValueRef ilevel0, ilevel1, ilevel0_vec, ilevel1_vec; + LLVMValueRef width0_vec, height0_vec, depth0_vec; + LLVMValueRef width1_vec, height1_vec, depth1_vec; + LLVMValueRef row_stride0_vec, row_stride1_vec; + LLVMValueRef img_stride0_vec, img_stride1_vec; + LLVMValueRef data_ptr0, data_ptr1; + int chan; + + /* + printf("%s mip %d min %d mag %d\n", __FUNCTION__, + mip_filter, min_filter, mag_filter); + */ + + /* + * Compute the level of detail (mipmap level index(es)). + */ + if (mip_filter == PIPE_TEX_MIPFILTER_NONE) { + /* always use mip level 0 */ + ilevel0 = LLVMConstInt(LLVMInt32Type(), 0, 0); + } + else { + /* compute float LOD */ + lod = lp_build_lod_selector(bld, s, t, r, width, height, depth); + + if (mip_filter == PIPE_TEX_MIPFILTER_NEAREST) { + lp_build_nearest_mip_level(bld, unit, lod, &ilevel0); + } + else { + assert(mip_filter == PIPE_TEX_MIPFILTER_LINEAR); + lp_build_linear_mip_levels(bld, unit, lod, &ilevel0, &ilevel1, + &lod_fpart); + lod_fpart = lp_build_broadcast_scalar(&bld->coord_bld, lod_fpart); + } + } + + /* + * Convert scalar integer mipmap levels into vectors. + */ + ilevel0_vec = lp_build_broadcast_scalar(&bld->int_coord_bld, ilevel0); + if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) + ilevel1_vec = lp_build_broadcast_scalar(&bld->int_coord_bld, ilevel1); + + /* + * Compute width, height at mipmap level 'ilevel0' + */ + width0_vec = lp_build_minify(bld, width_vec, ilevel0_vec); + if (dims >= 2) { + height0_vec = lp_build_minify(bld, height_vec, ilevel0_vec); + row_stride0_vec = lp_build_minify(bld, row_stride_vec, ilevel0_vec); + if (dims == 3) { + depth0_vec = lp_build_minify(bld, depth_vec, ilevel0_vec); + } + } + if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { + /* compute width, height, depth for second mipmap level at ilevel1 */ + width1_vec = lp_build_minify(bld, width_vec, ilevel1_vec); + if (dims >= 2) { + height1_vec = lp_build_minify(bld, height_vec, ilevel1_vec); + row_stride1_vec = lp_build_minify(bld, row_stride_vec, ilevel1_vec); + if (dims == 3) { + depth1_vec = lp_build_minify(bld, depth_vec, ilevel1_vec); + } + } + } + + /* + * Choose cube face, recompute texcoords. + */ + if (bld->static_state->target == PIPE_TEXTURE_CUBE) { + + } + + /* + * Get pointer(s) to image data for mipmap level(s). + */ + data_ptr0 = lp_build_get_mipmap_level(bld, data_array, ilevel0); + if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { + data_ptr1 = lp_build_get_mipmap_level(bld, data_array, ilevel1); + } + + /* + * Get/interpolate texture colors. + */ + /* XXX temporarily force this path: */ + if (1 /*min_filter == mag_filter*/) { + /* same filter for minification or magnification */ + LLVMValueRef colors0[4], colors1[4]; + + if (min_filter == PIPE_TEX_FILTER_NEAREST) { + lp_build_sample_image_nearest(bld, + width0_vec, height0_vec, depth0_vec, + row_stride0_vec, img_stride0_vec, + data_ptr0, s, t, r, colors0); + + if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { + /* sample the second mipmap level, and interp */ + lp_build_sample_image_nearest(bld, + width1_vec, height1_vec, depth1_vec, + row_stride1_vec, img_stride1_vec, + data_ptr1, s, t, r, colors1); + } + } + else { + assert(min_filter == PIPE_TEX_FILTER_LINEAR); + + lp_build_sample_image_linear(bld, + width0_vec, height0_vec, depth0_vec, + row_stride0_vec, img_stride0_vec, + data_ptr0, s, t, r, colors0); + + + if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { + /* sample the second mipmap level, and interp */ + lp_build_sample_image_linear(bld, + width1_vec, height1_vec, depth1_vec, + row_stride1_vec, img_stride1_vec, + data_ptr1, s, t, r, colors1); + } + } + + if (mip_filter == PIPE_TEX_MIPFILTER_LINEAR) { + /* interpolate samples from the two mipmap levels */ + for (chan = 0; chan < 4; chan++) { + colors_out[chan] = lp_build_lerp(&bld->texel_bld, lod_fpart, + colors0[chan], colors1[chan]); + } + } + else { + /* use first/only level's colors */ + for (chan = 0; chan < 4; chan++) { + colors_out[chan] = colors0[chan]; + } + } + } + else { + /* emit conditional to choose min image filter or mag image filter + * depending on the lod being >0 or <= 0, respectively. + */ + abort(); + } +} + + + static void lp_build_rgba8_to_f32_soa(LLVMBuilderRef builder, struct lp_type dst_type, @@ -818,7 +1378,7 @@ lp_build_sample_2d_linear_aos(struct lp_build_sample_context *bld, LLVMValueRef width, LLVMValueRef height, LLVMValueRef stride, - LLVMValueRef data_ptr, + LLVMValueRef data_array, LLVMValueRef *texel) { LLVMBuilderRef builder = bld->builder; @@ -835,7 +1395,7 @@ lp_build_sample_2d_linear_aos(struct lp_build_sample_context *bld, LLVMValueRef packed, packed_lo, packed_hi; LLVMValueRef unswizzled[4]; - lp_build_context_init(&i32, builder, lp_type_int(32)); + lp_build_context_init(&i32, builder, lp_type_int_vec(32)); lp_build_context_init(&h16, builder, lp_type_ufixed(16)); lp_build_context_init(&u8n, builder, lp_type_unorm(8)); @@ -958,10 +1518,10 @@ lp_build_sample_2d_linear_aos(struct lp_build_sample_context *bld, * The higher 8 bits of the resulting elements will be zero. */ - neighbors[0][0] = lp_build_sample_packed(bld, x0, y0, stride, data_ptr); - neighbors[0][1] = lp_build_sample_packed(bld, x1, y0, stride, data_ptr); - neighbors[1][0] = lp_build_sample_packed(bld, x0, y1, stride, data_ptr); - neighbors[1][1] = lp_build_sample_packed(bld, x1, y1, stride, data_ptr); + neighbors[0][0] = lp_build_sample_packed(bld, x0, y0, stride, data_array); + neighbors[0][1] = lp_build_sample_packed(bld, x1, y0, stride, data_array); + neighbors[1][0] = lp_build_sample_packed(bld, x0, y1, stride, data_array); + neighbors[1][1] = lp_build_sample_packed(bld, x1, y1, stride, data_array); neighbors[0][0] = LLVMBuildBitCast(builder, neighbors[0][0], u8n_vec_type, ""); neighbors[0][1] = LLVMBuildBitCast(builder, neighbors[0][1], u8n_vec_type, ""); @@ -1044,194 +1604,11 @@ lp_build_sample_compare(struct lp_build_sample_context *bld, } -static int -texture_dims(enum pipe_texture_target tex) -{ - switch (tex) { - case PIPE_TEXTURE_1D: - return 1; - case PIPE_TEXTURE_2D: - case PIPE_TEXTURE_CUBE: - return 2; - case PIPE_TEXTURE_3D: - return 3; - default: - assert(0 && "bad texture target in texture_dims()"); - return 2; - } -} - - -/** - * Generate code to compute texture level of detail (lambda). - * \param s vector of texcoord s values - * \param t vector of texcoord t values - * \param r vector of texcoord r values - * \param width scalar int texture width - * \param height scalar int texture height - * \param depth scalar int texture depth - */ -static LLVMValueRef -lp_build_lod_selector(struct lp_build_sample_context *bld, - LLVMValueRef s, - LLVMValueRef t, - LLVMValueRef r, - LLVMValueRef width, - LLVMValueRef height, - LLVMValueRef depth) - -{ - const int dims = texture_dims(bld->static_state->target); - struct lp_build_context *coord_bld = &bld->coord_bld; - - LLVMValueRef lod_bias = lp_build_const_scalar(bld->coord_bld.type, - bld->static_state->lod_bias); - LLVMValueRef min_lod = lp_build_const_scalar(bld->coord_bld.type, - bld->static_state->min_lod); - LLVMValueRef max_lod = lp_build_const_scalar(bld->coord_bld.type, - bld->static_state->max_lod); - - LLVMValueRef index0 = LLVMConstInt(LLVMInt32Type(), 0, 0); - LLVMValueRef index1 = LLVMConstInt(LLVMInt32Type(), 1, 0); - LLVMValueRef index2 = LLVMConstInt(LLVMInt32Type(), 2, 0); - - LLVMValueRef s0, s1, s2; - LLVMValueRef t0, t1, t2; - LLVMValueRef r0, r1, r2; - LLVMValueRef dsdx, dsdy, dtdx, dtdy, drdx, drdy; - LLVMValueRef rho, lod; - - /* - * dsdx = abs(s[1] - s[0]); - * dsdy = abs(s[2] - s[0]); - * dtdx = abs(t[1] - t[0]); - * dtdy = abs(t[2] - t[0]); - * drdx = abs(r[1] - r[0]); - * drdy = abs(r[2] - r[0]); - * XXX we're assuming a four-element quad in 2x2 layout here. - */ - s0 = LLVMBuildExtractElement(bld->builder, s, index0, "s0"); - s1 = LLVMBuildExtractElement(bld->builder, s, index1, "s1"); - s2 = LLVMBuildExtractElement(bld->builder, s, index2, "s2"); - dsdx = lp_build_abs(coord_bld, lp_build_sub(coord_bld, s1, s0)); - dsdy = lp_build_abs(coord_bld, lp_build_sub(coord_bld, s2, s0)); - if (dims > 1) { - t0 = LLVMBuildExtractElement(bld->builder, t, index0, "t0"); - t1 = LLVMBuildExtractElement(bld->builder, t, index1, "t1"); - t2 = LLVMBuildExtractElement(bld->builder, t, index2, "t2"); - dtdx = lp_build_abs(coord_bld, lp_build_sub(coord_bld, t1, t0)); - dtdy = lp_build_abs(coord_bld, lp_build_sub(coord_bld, t2, t0)); - if (dims > 2) { - r0 = LLVMBuildExtractElement(bld->builder, r, index0, "r0"); - r1 = LLVMBuildExtractElement(bld->builder, r, index1, "r1"); - r2 = LLVMBuildExtractElement(bld->builder, r, index2, "r2"); - drdx = lp_build_abs(coord_bld, lp_build_sub(coord_bld, r1, r0)); - drdy = lp_build_abs(coord_bld, lp_build_sub(coord_bld, r2, r0)); - } - } - - /* Compute rho = max of all partial derivatives scaled by texture size. - * XXX this can be vectorized somewhat - */ - rho = lp_build_mul(coord_bld, - lp_build_max(coord_bld, dsdx, dsdy), - lp_build_int_to_float(coord_bld, width)); - if (dims > 1) { - LLVMValueRef max; - max = lp_build_mul(coord_bld, - lp_build_max(coord_bld, dtdx, dtdy), - lp_build_int_to_float(coord_bld, height)); - rho = lp_build_max(coord_bld, rho, max); - if (dims > 2) { - max = lp_build_mul(coord_bld, - lp_build_max(coord_bld, drdx, drdy), - lp_build_int_to_float(coord_bld, depth)); - rho = lp_build_max(coord_bld, rho, max); - } - } - - /* compute lod = log2(rho) */ - lod = lp_build_log2(coord_bld, rho); - - /* add lod bias */ - lod = lp_build_add(coord_bld, lod, lod_bias); - - /* clamp lod */ - lod = lp_build_clamp(coord_bld, lod, min_lod, max_lod); - - return lod; -} - - -/** - * For PIPE_TEX_MIPFILTER_NEAREST, convert float LOD to integer - * mipmap level index. - * \param lod scalar float texture level of detail - * \param level_out returns integer - */ -static void -lp_build_nearest_mip_level(struct lp_build_sample_context *bld, - unsigned unit, - LLVMValueRef lod, - LLVMValueRef *level_out) -{ - struct lp_build_context *coord_bld = &bld->coord_bld; - struct lp_build_context *int_coord_bld = &bld->int_coord_bld; - LLVMValueRef last_level, level; - - last_level = bld->dynamic_state->last_level(bld->dynamic_state, - bld->builder, unit); - - /* convert float lod to integer */ - level = lp_build_iround(coord_bld, lod); - - /* clamp level to legal range of levels */ - *level_out = lp_build_clamp(int_coord_bld, level, - int_coord_bld->zero, - last_level); -} - - -/** - * For PIPE_TEX_MIPFILTER_LINEAR, convert float LOD to integer to - * two (adjacent) mipmap level indexes. Later, we'll sample from those - * two mipmap levels and interpolate between them. - */ -static void -lp_build_linear_mip_levels(struct lp_build_sample_context *bld, - unsigned unit, - LLVMValueRef lod, - LLVMValueRef *level0_out, - LLVMValueRef *level1_out, - LLVMValueRef *weight_out) -{ - struct lp_build_context *coord_bld = &bld->coord_bld; - struct lp_build_context *int_coord_bld = &bld->int_coord_bld; - LLVMValueRef last_level, level; - - last_level = bld->dynamic_state->last_level(bld->dynamic_state, - bld->builder, unit); - - /* convert float lod to integer */ - level = lp_build_ifloor(coord_bld, lod); - - /* compute level 0 and clamp to legal range of levels */ - *level0_out = lp_build_clamp(int_coord_bld, level, - int_coord_bld->zero, - last_level); - /* compute level 1 and clamp to legal range of levels */ - *level1_out = lp_build_add(int_coord_bld, *level0_out, int_coord_bld->one); - *level1_out = lp_build_min(int_coord_bld, *level1_out, int_coord_bld->zero); - - *weight_out = lp_build_fract(coord_bld, lod); -} - - - /** * Build texture sampling code. * 'texel' will return a vector of four LLVMValueRefs corresponding to * R, G, B, A. + * \param type vector float type to use for coords, etc. */ void lp_build_sample_soa(LLVMBuilderRef builder, @@ -1245,10 +1622,11 @@ lp_build_sample_soa(LLVMBuilderRef builder, LLVMValueRef *texel) { struct lp_build_sample_context bld; - LLVMValueRef width; - LLVMValueRef height; - LLVMValueRef stride; - LLVMValueRef data_ptr; + LLVMValueRef width, width_vec; + LLVMValueRef height, height_vec; + LLVMValueRef depth, depth_vec; + LLVMValueRef stride, stride_vec; + LLVMValueRef data_array; LLVMValueRef s; LLVMValueRef t; LLVMValueRef r; @@ -1256,6 +1634,7 @@ lp_build_sample_soa(LLVMBuilderRef builder, (void) lp_build_lod_selector; /* temporary to silence warning */ (void) lp_build_nearest_mip_level; (void) lp_build_linear_mip_levels; + (void) lp_build_minify; /* Setup our build context */ memset(&bld, 0, sizeof bld); @@ -1263,10 +1642,16 @@ lp_build_sample_soa(LLVMBuilderRef builder, bld.static_state = static_state; bld.dynamic_state = dynamic_state; bld.format_desc = util_format_description(static_state->format); + + bld.float_type = lp_type_float(32); + bld.int_type = lp_type_int(32); bld.coord_type = type; bld.uint_coord_type = lp_uint_type(type); bld.int_coord_type = lp_int_type(type); bld.texel_type = type; + + lp_build_context_init(&bld.float_bld, builder, bld.float_type); + lp_build_context_init(&bld.int_bld, builder, bld.int_type); lp_build_context_init(&bld.coord_bld, builder, bld.coord_type); lp_build_context_init(&bld.uint_coord_bld, builder, bld.uint_coord_type); lp_build_context_init(&bld.int_coord_bld, builder, bld.int_coord_type); @@ -1275,41 +1660,37 @@ lp_build_sample_soa(LLVMBuilderRef builder, /* Get the dynamic state */ width = dynamic_state->width(dynamic_state, builder, unit); height = dynamic_state->height(dynamic_state, builder, unit); + depth = dynamic_state->depth(dynamic_state, builder, unit); stride = dynamic_state->stride(dynamic_state, builder, unit); - data_ptr = dynamic_state->data_ptr(dynamic_state, builder, unit); + data_array = dynamic_state->data_ptr(dynamic_state, builder, unit); + /* Note that data_array is an array[level] of pointers to texture images */ s = coords[0]; t = coords[1]; r = coords[2]; - width = lp_build_broadcast_scalar(&bld.uint_coord_bld, width); - height = lp_build_broadcast_scalar(&bld.uint_coord_bld, height); - stride = lp_build_broadcast_scalar(&bld.uint_coord_bld, stride); - - if(static_state->target == PIPE_TEXTURE_1D) - t = bld.coord_bld.zero; - - switch (static_state->min_img_filter) { - case PIPE_TEX_FILTER_NEAREST: - lp_build_sample_2d_nearest_soa(&bld, s, t, width, height, - stride, data_ptr, texel); - break; - case PIPE_TEX_FILTER_LINEAR: - if(lp_format_is_rgba8(bld.format_desc) && - is_simple_wrap_mode(static_state->wrap_s) && - is_simple_wrap_mode(static_state->wrap_t)) - lp_build_sample_2d_linear_aos(&bld, s, t, width, height, - stride, data_ptr, texel); - else - lp_build_sample_2d_linear_soa(&bld, s, t, width, height, - stride, data_ptr, texel); - break; - default: - assert(0); + width_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, width); + height_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, height); + depth_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, depth); + stride_vec = lp_build_broadcast_scalar(&bld.uint_coord_bld, stride); + + if (lp_format_is_rgba8(bld.format_desc) && + static_state->min_img_filter == PIPE_TEX_FILTER_LINEAR && + static_state->mag_img_filter == PIPE_TEX_FILTER_LINEAR && + static_state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE && + is_simple_wrap_mode(static_state->wrap_s) && + is_simple_wrap_mode(static_state->wrap_t)) { + /* special case */ + lp_build_sample_2d_linear_aos(&bld, s, t, width_vec, height_vec, + stride_vec, data_array, texel); + } + else { + lp_build_sample_general(&bld, unit, s, t, r, + width, height, depth, + width_vec, height_vec, depth_vec, + stride_vec, NULL, data_array, + texel); } - - /* FIXME: respect static_state->min_mip_filter */; - /* FIXME: respect static_state->mag_img_filter */; lp_build_sample_compare(&bld, r, texel); } diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index 5f2c2a54ee..b3a0fe7d9b 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -95,6 +95,19 @@ struct lp_exec_mask { int cond_stack_size; LLVMValueRef cond_mask; + LLVMValueRef break_stack[LP_TGSI_MAX_NESTING]; + int break_stack_size; + LLVMValueRef break_mask; + + LLVMValueRef cont_stack[LP_TGSI_MAX_NESTING]; + int cont_stack_size; + LLVMValueRef cont_mask; + + LLVMBasicBlockRef loop_stack[LP_TGSI_MAX_NESTING]; + int loop_stack_size; + LLVMBasicBlockRef loop_block; + + LLVMValueRef exec_mask; }; @@ -145,15 +158,33 @@ static void lp_exec_mask_init(struct lp_exec_mask *mask, struct lp_build_context mask->bld = bld; mask->has_mask = FALSE; mask->cond_stack_size = 0; + mask->loop_stack_size = 0; + mask->break_stack_size = 0; + mask->cont_stack_size = 0; mask->int_vec_type = lp_build_int_vec_type(mask->bld->type); } static void lp_exec_mask_update(struct lp_exec_mask *mask) { - mask->exec_mask = mask->cond_mask; - if (mask->cond_stack_size > 0) - mask->has_mask = TRUE; + if (mask->loop_stack_size) { + /*for loops we need to update the entire mask at + * runtime */ + LLVMValueRef tmp; + tmp = LLVMBuildAnd(mask->bld->builder, + mask->cont_mask, + mask->break_mask, + "maskcb"); + mask->exec_mask = LLVMBuildAnd(mask->bld->builder, + mask->cond_mask, + tmp, + "maskfull"); + } else + mask->exec_mask = mask->cond_mask; + + + mask->has_mask = (mask->cond_stack_size > 0 || + mask->loop_stack_size > 0); } static void lp_exec_mask_cond_push(struct lp_exec_mask *mask, @@ -190,6 +221,89 @@ static void lp_exec_mask_cond_pop(struct lp_exec_mask *mask) lp_exec_mask_update(mask); } +static void lp_exec_bgnloop(struct lp_exec_mask *mask) +{ + + if (mask->cont_stack_size == 0) + mask->cont_mask = LLVMConstAllOnes(mask->int_vec_type); + if (mask->cont_stack_size == 0) + mask->break_mask = LLVMConstAllOnes(mask->int_vec_type); + if (mask->cond_stack_size == 0) + mask->cond_mask = LLVMConstAllOnes(mask->int_vec_type); + mask->loop_stack[mask->loop_stack_size++] = mask->loop_block; + mask->loop_block = lp_build_insert_new_block(mask->bld->builder, "bgnloop"); + LLVMBuildBr(mask->bld->builder, mask->loop_block); + LLVMPositionBuilderAtEnd(mask->bld->builder, mask->loop_block); + + lp_exec_mask_update(mask); +} + +static void lp_exec_break(struct lp_exec_mask *mask) +{ + LLVMValueRef exec_mask = LLVMBuildNot(mask->bld->builder, + mask->exec_mask, + "break"); + + mask->break_stack[mask->break_stack_size++] = mask->break_mask; + if (mask->break_stack_size > 1) { + mask->break_mask = LLVMBuildAnd(mask->bld->builder, + mask->break_mask, + exec_mask, "break_full"); + } else + mask->break_mask = exec_mask; + + lp_exec_mask_update(mask); +} + +static void lp_exec_continue(struct lp_exec_mask *mask) +{ + LLVMValueRef exec_mask = LLVMBuildNot(mask->bld->builder, + mask->exec_mask, + ""); + + mask->cont_stack[mask->cont_stack_size++] = mask->cont_mask; + if (mask->cont_stack_size > 1) { + mask->cont_mask = LLVMBuildAnd(mask->bld->builder, + mask->cont_mask, + exec_mask, ""); + } else + mask->cont_mask = exec_mask; + + lp_exec_mask_update(mask); +} + + +static void lp_exec_endloop(struct lp_exec_mask *mask) +{ + LLVMBasicBlockRef endloop; + LLVMTypeRef reg_type = LLVMIntType(mask->bld->type.width* + mask->bld->type.length); + /* i1cond = (mask == 0) */ + LLVMValueRef i1cond = LLVMBuildICmp( + mask->bld->builder, + LLVMIntNE, + LLVMBuildBitCast(mask->bld->builder, mask->break_mask, reg_type, ""), + LLVMConstNull(reg_type), ""); + + endloop = lp_build_insert_new_block(mask->bld->builder, "endloop"); + + LLVMBuildCondBr(mask->bld->builder, + i1cond, mask->loop_block, endloop); + + LLVMPositionBuilderAtEnd(mask->bld->builder, endloop); + + mask->loop_block = mask->loop_stack[--mask->loop_stack_size]; + /* pop the break mask */ + if (mask->cont_stack_size) { + mask->cont_mask = mask->cont_stack[--mask->cont_stack_size]; + } + if (mask->break_stack_size) { + mask->break_mask = mask->cont_stack[--mask->break_stack_size]; + } + + lp_exec_mask_update(mask); +} + static void lp_exec_mask_store(struct lp_exec_mask *mask, LLVMValueRef val, LLVMValueRef dst) @@ -384,6 +498,11 @@ emit_store( assert(0); break; + case TGSI_FILE_PREDICATE: + /* FIXME */ + assert(0); + break; + default: assert( 0 ); } @@ -581,6 +700,17 @@ emit_instruction( if (indirect_temp_reference(inst)) return FALSE; + /* + * Stores and write masks are handled in a general fashion after the long + * instruction opcode switch statement. + * + * Although not stricitly necessary, we avoid generating instructions for + * channels which won't be stored, in cases where's that easy. For some + * complex instructions, like texture sampling, it is more convenient to + * assume a full writemask and then let LLVM optimization passes eliminate + * redundant code. + */ + assert(info->num_dst <= 1); if(info->num_dst) { FOR_EACH_DST0_ENABLED_CHANNEL( inst, chan_index ) { @@ -1126,7 +1256,6 @@ emit_instruction( break; case TGSI_OPCODE_TEX: - /* XXX what about dst0 writemask? */ emit_tex( bld, inst, FALSE, FALSE, dst0 ); break; @@ -1349,14 +1478,15 @@ emit_instruction( case TGSI_OPCODE_TXP: emit_tex( bld, inst, FALSE, TRUE, dst0 ); break; - + case TGSI_OPCODE_BRK: - /* FIXME */ - return 0; + lp_exec_break(&bld->exec_mask); break; case TGSI_OPCODE_IF: tmp0 = emit_fetch(bld, inst, 0, CHAN_X); + tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_NOTEQUAL, + tmp0, bld->base.zero); lp_exec_mask_cond_push(&bld->exec_mask, tmp0); break; @@ -1366,6 +1496,10 @@ emit_instruction( return 0; break; + case TGSI_OPCODE_BGNLOOP: + lp_exec_bgnloop(&bld->exec_mask); + break; + case TGSI_OPCODE_REP: /* deprecated */ assert(0); @@ -1386,6 +1520,10 @@ emit_instruction( return 0; break; + case TGSI_OPCODE_ENDLOOP: + lp_exec_endloop(&bld->exec_mask); + break; + case TGSI_OPCODE_ENDREP: /* deprecated */ assert(0); @@ -1485,8 +1623,7 @@ emit_instruction( break; case TGSI_OPCODE_CONT: - /* FIXME */ - return 0; + lp_exec_continue(&bld->exec_mask); break; case TGSI_OPCODE_EMIT: @@ -1589,7 +1726,14 @@ lp_build_tgsi_soa(LLVMBuilderRef builder, assert( 0 ); } } - + if (0) { + LLVMBasicBlockRef block = LLVMGetInsertBlock(builder); + LLVMValueRef function = LLVMGetBasicBlockParent(block); + debug_printf("11111111111111111111111111111 \n"); + tgsi_dump(tokens, 0); + LLVMDumpValue(function); + debug_printf("2222222222222222222222222222 \n"); + } tgsi_parse_free( &parse ); } diff --git a/src/gallium/auxiliary/gallivm/lp_bld_type.h b/src/gallium/auxiliary/gallivm/lp_bld_type.h index 16946cc28a..4daa904e63 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_type.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_type.h @@ -103,7 +103,7 @@ struct lp_type { unsigned width:14; /** - * Vector length. + * Vector length. If length==1, this is a scalar (float/int) type. * * width*length should be a power of two greater or equal to eight. * @@ -139,6 +139,7 @@ struct lp_build_context }; +/** Create scalar float type */ static INLINE struct lp_type lp_type_float(unsigned width) { @@ -148,12 +149,29 @@ lp_type_float(unsigned width) res_type.floating = TRUE; res_type.sign = TRUE; res_type.width = width; + res_type.length = 1; + + return res_type; +} + + +/** Create vector of float type */ +static INLINE struct lp_type +lp_type_float_vec(unsigned width) +{ + struct lp_type res_type; + + memset(&res_type, 0, sizeof res_type); + res_type.floating = TRUE; + res_type.sign = TRUE; + res_type.width = width; res_type.length = LP_NATIVE_VECTOR_WIDTH / width; return res_type; } +/** Create scalar int type */ static INLINE struct lp_type lp_type_int(unsigned width) { @@ -162,12 +180,28 @@ lp_type_int(unsigned width) memset(&res_type, 0, sizeof res_type); res_type.sign = TRUE; res_type.width = width; + res_type.length = 1; + + return res_type; +} + + +/** Create vector int type */ +static INLINE struct lp_type +lp_type_int_vec(unsigned width) +{ + struct lp_type res_type; + + memset(&res_type, 0, sizeof res_type); + res_type.sign = TRUE; + res_type.width = width; res_type.length = LP_NATIVE_VECTOR_WIDTH / width; return res_type; } +/** Create scalar uint type */ static INLINE struct lp_type lp_type_uint(unsigned width) { @@ -175,6 +209,20 @@ lp_type_uint(unsigned width) memset(&res_type, 0, sizeof res_type); res_type.width = width; + res_type.length = 1; + + return res_type; +} + + +/** Create vector uint type */ +static INLINE struct lp_type +lp_type_uint_vec(unsigned width) +{ + struct lp_type res_type; + + memset(&res_type, 0, sizeof res_type); + res_type.width = width; res_type.length = LP_NATIVE_VECTOR_WIDTH / width; return res_type; |