LLVMValueRef elems[LP_MAX_VECTOR_LENGTH];
unsigned i;
- assert(type.length < LP_MAX_VECTOR_LENGTH);
+ assert(type.length <= LP_MAX_VECTOR_LENGTH);
elem_type = lp_build_elem_type(type);
unsigned i;
assert(type.length % 4 == 0);
- assert(type.length < LP_MAX_VECTOR_LENGTH);
+ assert(type.length <= LP_MAX_VECTOR_LENGTH);
elem_type = lp_build_elem_type(type);
if(type.width * type.length == 128 &&
!type.floating && !type.fixed) {
if(type.width == 8)
- intrinsic = type.sign ? "llvm.x86.sse2.adds.b" : "llvm.x86.sse2.addus.b";
+ intrinsic = type.sign ? "llvm.x86.sse2.padds.b" : "llvm.x86.sse2.paddus.b";
if(type.width == 16)
- intrinsic = type.sign ? "llvm.x86.sse2.adds.w" : "llvm.x86.sse2.addus.w";
+ intrinsic = type.sign ? "llvm.x86.sse2.padds.w" : "llvm.x86.sse2.paddus.w";
}
#endif
if(type.width * type.length == 128 &&
!type.floating && !type.fixed) {
if(type.width == 8)
- intrinsic = type.sign ? "llvm.x86.sse2.subs.b" : "llvm.x86.sse2.subus.b";
+ intrinsic = type.sign ? "llvm.x86.sse2.psubs.b" : "llvm.x86.sse2.psubus.b";
if(type.width == 16)
- intrinsic = type.sign ? "llvm.x86.sse2.subs.w" : "llvm.x86.sse2.subus.w";
+ intrinsic = type.sign ? "llvm.x86.sse2.psubs.w" : "llvm.x86.sse2.psubus.w";
}
#endif
}
+/**
+ * Build shuffle vectors that match PUNPCKLxx and PUNPCKHxx instructions.
+ */
+static LLVMValueRef
+lp_build_unpack_shuffle(unsigned n, unsigned lo_hi)
+{
+ LLVMValueRef elems[LP_MAX_VECTOR_LENGTH];
+ unsigned i, j;
+
+ assert(n <= LP_MAX_VECTOR_LENGTH);
+ assert(lo_hi < 2);
+
+ for(i = 0, j = lo_hi*n/2; i < n; i += 2, ++j) {
+ elems[i + 0] = LLVMConstInt(LLVMInt32Type(), 0 + j, 0);
+ elems[i + 1] = LLVMConstInt(LLVMInt32Type(), n + j, 0);
+ }
+
+ return LLVMConstVector(elems, n);
+}
+
+
+static LLVMValueRef
+lp_build_const_vec(LLVMTypeRef type, unsigned n, long long c)
+{
+ LLVMValueRef elems[LP_MAX_VECTOR_LENGTH];
+ unsigned i;
+
+ assert(n <= LP_MAX_VECTOR_LENGTH);
+
+ for(i = 0; i < n; ++i)
+ elems[i] = LLVMConstInt(type, c, 0);
+
+ return LLVMConstVector(elems, n);
+}
+
+
+/**
+ * Normalized 8bit multiplication.
+ *
+ * - alpha plus one
+ *
+ * makes the following approximation to the division (Sree)
+ *
+ * a*b/255 ~= (a*(b + 1)) >> 256
+ *
+ * which is the fastest method that satisfies the following OpenGL criteria
+ *
+ * 0*0 = 0 and 255*255 = 255
+ *
+ * - geometric series
+ *
+ * takes the geometric series approximation to the division
+ *
+ * t/255 = (t >> 8) + (t >> 16) + (t >> 24) ..
+ *
+ * in this case just the first two terms to fit in 16bit arithmetic
+ *
+ * t/255 ~= (t + (t >> 8)) >> 8
+ *
+ * note that just by itself it doesn't satisfies the OpenGL criteria, as
+ * 255*255 = 254, so the special case b = 255 must be accounted or roundoff
+ * must be used
+ *
+ * - geometric series plus rounding
+ *
+ * when using a geometric series division instead of truncating the result
+ * use roundoff in the approximation (Jim Blinn)
+ *
+ * t/255 ~= (t + (t >> 8) + 0x80) >> 8
+ *
+ * achieving the exact results
+ *
+ * @sa Alvy Ray Smith, Image Compositing Fundamentals, Tech Memo 4, Aug 15, 1995,
+ * ftp://ftp.alvyray.com/Acrobat/4_Comp.pdf
+ * @sa Michael Herf, The "double blend trick", May 2000,
+ * http://www.stereopsis.com/doubleblend.html
+ */
+static LLVMValueRef
+lp_build_mul_u8n(LLVMBuilderRef builder,
+ LLVMValueRef a, LLVMValueRef b)
+{
+ static LLVMValueRef c01 = NULL;
+ static LLVMValueRef c08 = NULL;
+ static LLVMValueRef c80 = NULL;
+ LLVMValueRef ab;
+
+ if(!c01) c01 = lp_build_const_vec(LLVMInt16Type(), 8, 0x01);
+ if(!c08) c08 = lp_build_const_vec(LLVMInt16Type(), 8, 0x08);
+ if(!c80) c80 = lp_build_const_vec(LLVMInt16Type(), 8, 0x80);
+
+#if 0
+
+ /* a*b/255 ~= (a*(b + 1)) >> 256 */
+ b = LLVMBuildAdd(builder, b, c01, "");
+ ab = LLVMBuildMul(builder, a, b, "");
+
+#else
+
+ /* t/255 ~= (t + (t >> 8) + 0x80) >> 8 */
+ ab = LLVMBuildMul(builder, a, b, "");
+ ab = LLVMBuildAdd(builder, ab, LLVMBuildLShr(builder, ab, c08, ""), "");
+ ab = LLVMBuildAdd(builder, ab, c80, "");
+
+#endif
+
+ ab = LLVMBuildLShr(builder, ab, c08, "");
+
+ return ab;
+}
+
+
LLVMValueRef
lp_build_mul(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b)
{
+ const union lp_type type = bld->type;
+
if(a == bld->zero)
return bld->zero;
if(a == bld->one)
if(a == bld->undef || b == bld->undef)
return bld->undef;
+ if(!type.floating && !type.fixed && type.norm) {
+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
+ if(type.width == 8 && type.length == 16) {
+ LLVMTypeRef i16x8 = LLVMVectorType(LLVMInt16Type(), 8);
+ LLVMTypeRef i8x16 = LLVMVectorType(LLVMInt8Type(), 16);
+ static LLVMValueRef ml = NULL;
+ static LLVMValueRef mh = NULL;
+ LLVMValueRef al, ah, bl, bh;
+ LLVMValueRef abl, abh;
+ LLVMValueRef ab;
+
+ if(!ml) ml = lp_build_unpack_shuffle(16, 0);
+ if(!mh) mh = lp_build_unpack_shuffle(16, 1);
+
+ /* PUNPCKLBW, PUNPCKHBW */
+ al = LLVMBuildShuffleVector(bld->builder, a, bld->zero, ml, "");
+ bl = LLVMBuildShuffleVector(bld->builder, b, bld->zero, ml, "");
+ ah = LLVMBuildShuffleVector(bld->builder, a, bld->zero, mh, "");
+ bh = LLVMBuildShuffleVector(bld->builder, b, bld->zero, mh, "");
+
+ /* NOP */
+ al = LLVMBuildBitCast(bld->builder, al, i16x8, "");
+ bl = LLVMBuildBitCast(bld->builder, bl, i16x8, "");
+ ah = LLVMBuildBitCast(bld->builder, ah, i16x8, "");
+ bh = LLVMBuildBitCast(bld->builder, bh, i16x8, "");
+
+ /* PMULLW, PSRLW, PADDW */
+ abl = lp_build_mul_u8n(bld->builder, al, bl);
+ abh = lp_build_mul_u8n(bld->builder, ah, bh);
+
+ /* PACKUSWB */
+ ab = lp_build_intrinsic_binary(bld->builder, "llvm.x86.sse2.packuswb.128" , abl, abh);
+
+ /* NOP */
+ ab = LLVMBuildBitCast(bld->builder, ab, i8x16, "");
+
+ return ab;
+ }
+#endif
+
+ /* FIXME */
+ assert(0);
+ }
+
if(LLVMIsConstant(a) && LLVMIsConstant(b))
return LLVMConstMul(a, b);
#include <stdlib.h>
#include <stdio.h>
+#include <float.h>
#include <llvm-c/Core.h>
#include <llvm-c/Analysis.h>
unsigned verbose = 0;
-typedef void (*blend_test_ptr_t)(const float *src, const float *dst, const float *const_, float *res);
+typedef void (*blend_test_ptr_t)(const void *src, const void *dst, const void *con, void *res);
static LLVMValueRef
add_blend_test(LLVMModuleRef module,
- const struct pipe_blend_state *blend)
+ const struct pipe_blend_state *blend,
+ union lp_type type)
{
- union lp_type type;
-
+ LLVMTypeRef vec_type;
LLVMTypeRef args[4];
LLVMValueRef func;
LLVMValueRef src_ptr;
LLVMBuilderRef builder;
LLVMValueRef src;
LLVMValueRef dst;
- LLVMValueRef const_;
+ LLVMValueRef con;
LLVMValueRef res;
- type.value = 0;
- type.floating = TRUE;
- type.sign = TRUE;
- type.norm = TRUE;
- type.width = 32;
- type.length = 4;
-
- args[0] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0);
- args[1] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0);
- args[2] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0);
- args[3] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0);
+ vec_type = lp_build_vec_type(type);
+
+ args[3] = args[2] = args[1] = args[0] = LLVMPointerType(vec_type, 0);
func = LLVMAddFunction(module, "test", LLVMFunctionType(LLVMVoidType(), args, 4, 0));
LLVMSetFunctionCallConv(func, LLVMCCallConv);
src_ptr = LLVMGetParam(func, 0);
src = LLVMBuildLoad(builder, src_ptr, "src");
dst = LLVMBuildLoad(builder, dst_ptr, "dst");
- const_ = LLVMBuildLoad(builder, const_ptr, "const");
+ con = LLVMBuildLoad(builder, const_ptr, "const");
- res = lp_build_blend(builder, blend, type, src, dst, const_, 3);
+ res = lp_build_blend(builder, blend, type, src, dst, con, 3);
LLVMSetValueName(res, "res");
}
-static void
-random_color(float *color)
+static float
+random_float(void)
{
- color[0] = (float)((double)random()/(double)RAND_MAX);
- color[1] = (float)((double)random()/(double)RAND_MAX);
- color[2] = (float)((double)random()/(double)RAND_MAX);
- color[3] = (float)((double)random()/(double)RAND_MAX);
+ return (float)((double)random()/(double)RAND_MAX);
}
const float *factor,
const float *src,
const float *dst,
- const float *const_,
+ const float *con,
float *term)
{
float temp;
term[2] = factor[2] * temp; /* B */
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
- term[0] = factor[0] * const_[0]; /* R */
- term[1] = factor[1] * const_[1]; /* G */
- term[2] = factor[2] * const_[2]; /* B */
+ term[0] = factor[0] * con[0]; /* R */
+ term[1] = factor[1] * con[1]; /* G */
+ term[2] = factor[2] * con[2]; /* B */
break;
case PIPE_BLENDFACTOR_CONST_ALPHA:
- term[0] = factor[0] * const_[3]; /* R */
- term[1] = factor[1] * const_[3]; /* G */
- term[2] = factor[2] * const_[3]; /* B */
+ term[0] = factor[0] * con[3]; /* R */
+ term[1] = factor[1] * con[3]; /* G */
+ term[2] = factor[2] * con[3]; /* B */
break;
case PIPE_BLENDFACTOR_SRC1_COLOR:
assert(0); /* to do */
term[2] = factor[2] * (1.0f - dst[2]); /* B */
break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
- term[0] = factor[0] * (1.0f - const_[0]); /* R */
- term[1] = factor[1] * (1.0f - const_[1]); /* G */
- term[2] = factor[2] * (1.0f - const_[2]); /* B */
+ term[0] = factor[0] * (1.0f - con[0]); /* R */
+ term[1] = factor[1] * (1.0f - con[1]); /* G */
+ term[2] = factor[2] * (1.0f - con[2]); /* B */
break;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- term[0] = factor[0] * (1.0f - const_[3]); /* R */
- term[1] = factor[1] * (1.0f - const_[3]); /* G */
- term[2] = factor[2] * (1.0f - const_[3]); /* B */
+ term[0] = factor[0] * (1.0f - con[3]); /* R */
+ term[1] = factor[1] * (1.0f - con[3]); /* G */
+ term[2] = factor[2] * (1.0f - con[3]); /* B */
break;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
assert(0); /* to do */
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
case PIPE_BLENDFACTOR_CONST_ALPHA:
- term[3] = factor[3] * const_[3]; /* A */
+ term[3] = factor[3] * con[3]; /* A */
break;
case PIPE_BLENDFACTOR_ZERO:
term[3] = 0.0f; /* A */
break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- term[3] = factor[3] * (1.0f - const_[3]);
+ term[3] = factor[3] * (1.0f - con[3]);
break;
default:
assert(0);
compute_blend_ref(const struct pipe_blend_state *blend,
const float *src,
const float *dst,
- const float *const_,
+ const float *con,
float *res)
{
float src_term[4];
float dst_term[4];
- compute_blend_ref_term(blend->rgb_src_factor, blend->alpha_src_factor, src, src, dst, const_, src_term);
- compute_blend_ref_term(blend->rgb_dst_factor, blend->alpha_dst_factor, dst, src, dst, const_, dst_term);
+ compute_blend_ref_term(blend->rgb_src_factor, blend->alpha_src_factor, src, src, dst, con, src_term);
+ compute_blend_ref_term(blend->rgb_dst_factor, blend->alpha_dst_factor, dst, src, dst, con, dst_term);
/*
* Combine RGB terms
static boolean
-test_one(const struct pipe_blend_state *blend)
+test_one(const struct pipe_blend_state *blend,
+ union lp_type type)
{
LLVMModuleRef module = NULL;
LLVMValueRef func = NULL;
char *error = NULL;
blend_test_ptr_t blend_test_ptr;
boolean success;
- unsigned i, j;
+ unsigned i, j, k;
module = LLVMModuleCreateWithName("test");
- func = add_blend_test(module, blend);
+ func = add_blend_test(module, blend, type);
if(LLVMVerifyModule(module, LLVMPrintMessageAction, &error)) {
LLVMDumpModule(module);
success = TRUE;
for(i = 0; i < 10; ++i) {
- float src[4];
- float dst[4];
- float const_[4];
- float ref[4];
- float res[4];
+ if(type.floating && type.width == 32) {
+ float src[LP_MAX_VECTOR_LENGTH];
+ float dst[LP_MAX_VECTOR_LENGTH];
+ float con[LP_MAX_VECTOR_LENGTH];
+ float ref[LP_MAX_VECTOR_LENGTH];
+ float res[LP_MAX_VECTOR_LENGTH];
+
+ for(j = 0; j < type.length; ++j) {
+ src[j] = random_float();
+ dst[j] = random_float();
+ con[j] = random_float();
+ }
+
+ for(j = 0; j < type.length; j += 4)
+ compute_blend_ref(blend, src + j, dst + j, con + j, ref + j);
+
+ blend_test_ptr(src, dst, con, res);
+
+ for(j = 0; j < type.length; ++j)
+ if(fabs(res[j] - ref[j]) > FLT_EPSILON)
+ success = FALSE;
+
+ if (!success) {
+ fprintf(stderr, "FAILED\n");
+ fprintf(stderr, " Result: ");
+ for(j = 0; j < type.length; ++j)
+ fprintf(stderr, " %f", res[j]);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " Expected: ");
+ for(j = 0; j < type.length; ++j)
+ fprintf(stderr, " %f", ref[j]);
+ fprintf(stderr, "\n");
+ }
+ }
+ else if(!type.floating && !type.fixed && !type.sign && type.norm && type.width == 8) {
+ uint8_t src[LP_MAX_VECTOR_LENGTH];
+ uint8_t dst[LP_MAX_VECTOR_LENGTH];
+ uint8_t con[LP_MAX_VECTOR_LENGTH];
+ uint8_t ref[LP_MAX_VECTOR_LENGTH];
+ uint8_t res[LP_MAX_VECTOR_LENGTH];
+
+ for(j = 0; j < type.length; ++j) {
+ src[j] = random() & 0xff;
+ dst[j] = random() & 0xff;
+ con[j] = random() & 0xff;
+ }
+
+ for(j = 0; j < type.length; j += 4) {
+ float srcf[4];
+ float dstf[4];
+ float conf[4];
+ float reff[4];
- random_color(src);
- random_color(dst);
- random_color(const_);
+ for(k = 0; k < 4; ++k) {
+ srcf[k] = (1.0f/255.0f)*src[j + k];
+ dstf[k] = (1.0f/255.0f)*dst[j + k];
+ conf[k] = (1.0f/255.0f)*con[j + k];
+ }
- compute_blend_ref(blend, src, dst, const_, ref);
+ compute_blend_ref(blend, srcf, dstf, conf, reff);
- blend_test_ptr(src, dst, const_, res);
+ for(k = 0; k < 4; ++k)
+ ref[j + k] = (uint8_t)(reff[k]*255.0f + 0.5f);
+ }
- for(j = 0; j < 4; ++j)
- if(res[j] != ref[j])
- success = FALSE;
+ blend_test_ptr(src, dst, con, res);
+
+ for(j = 0; j < type.length; ++j) {
+ int delta = (int)res[j] - (int)ref[j];
+ if (delta < 0)
+ delta = -delta;
+ if(delta > 1)
+ success = FALSE;
+ }
+
+ if (!success) {
+ fprintf(stderr, "FAILED\n");
+ fprintf(stderr, " Result: ");
+ for(j = 0; j < type.length; ++j)
+ fprintf(stderr, " %3u", res[j]);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " Expected: ");
+ for(j = 0; j < type.length; ++j)
+ fprintf(stderr, " %3u", ref[j]);
+ fprintf(stderr, "\n");
+ }
+ }
+ else
+ assert(0);
if (!success) {
- fprintf(stderr, "FAILED\n");
- fprintf(stderr, " Result: %f %f %f %f\n", res[0], res[1], res[2], res[3]);
- fprintf(stderr, " %f %f %f %f\n", ref[0], ref[1], ref[2], ref[3]);
LLVMDumpModule(module);
LLVMWriteBitcodeToFile(module, "blend.bc");
fprintf(stderr, "blend.bc written\n");
};
+const union lp_type blend_types[] = {
+ /* float, fixed, sign, norm, width, len */
+ {{ TRUE, FALSE, TRUE, TRUE, 32, 4 }}, /* f32 x 4 */
+ {{ FALSE, FALSE, FALSE, TRUE, 8, 16 }}, /* u8n x 16 */
+};
+
+
const unsigned num_funcs = sizeof(blend_funcs)/sizeof(blend_funcs[0]);
const unsigned num_factors = sizeof(blend_factors)/sizeof(blend_factors[0]);
+const unsigned num_types = sizeof(blend_types)/sizeof(blend_types[0]);
static boolean
const struct value_name_pair *alpha_src_factor;
const struct value_name_pair *alpha_dst_factor;
struct pipe_blend_state blend;
+ const union lp_type *type;
bool success = TRUE;
for(rgb_func = blend_funcs; rgb_func < &blend_funcs[num_funcs]; ++rgb_func) {
for(rgb_dst_factor = blend_factors; rgb_dst_factor <= rgb_src_factor; ++rgb_dst_factor) {
for(alpha_src_factor = blend_factors; alpha_src_factor < &blend_factors[num_factors]; ++alpha_src_factor) {
for(alpha_dst_factor = blend_factors; alpha_dst_factor <= alpha_src_factor; ++alpha_dst_factor) {
-
- if(rgb_dst_factor->value == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
- alpha_dst_factor->value == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE)
- continue;
-
- if(verbose >= 1)
- fprintf(stderr,
- "%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s ...\n",
- "rgb_func", rgb_func->name,
- "rgb_src_factor", rgb_src_factor->name,
- "rgb_dst_factor", rgb_dst_factor->name,
- "alpha_func", alpha_func->name,
- "alpha_src_factor", alpha_src_factor->name,
- "alpha_dst_factor", alpha_dst_factor->name);
-
- memset(&blend, 0, sizeof blend);
- blend.blend_enable = 1;
- blend.rgb_func = rgb_func->value;
- blend.rgb_src_factor = rgb_src_factor->value;
- blend.rgb_dst_factor = rgb_dst_factor->value;
- blend.alpha_func = alpha_func->value;
- blend.alpha_src_factor = alpha_src_factor->value;
- blend.alpha_dst_factor = alpha_dst_factor->value;
-
- if(!test_one(&blend))
- success = FALSE;
-
+ for(type = blend_types; type < &blend_types[num_types]; ++type) {
+
+ if(rgb_dst_factor->value == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
+ alpha_dst_factor->value == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE)
+ continue;
+
+ if(verbose >= 1)
+ fprintf(stderr,
+ "%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s ...\n",
+ "rgb_func", rgb_func->name,
+ "rgb_src_factor", rgb_src_factor->name,
+ "rgb_dst_factor", rgb_dst_factor->name,
+ "alpha_func", alpha_func->name,
+ "alpha_src_factor", alpha_src_factor->name,
+ "alpha_dst_factor", alpha_dst_factor->name);
+
+ memset(&blend, 0, sizeof blend);
+ blend.blend_enable = 1;
+ blend.rgb_func = rgb_func->value;
+ blend.rgb_src_factor = rgb_src_factor->value;
+ blend.rgb_dst_factor = rgb_dst_factor->value;
+ blend.alpha_func = alpha_func->value;
+ blend.alpha_src_factor = alpha_src_factor->value;
+ blend.alpha_dst_factor = alpha_dst_factor->value;
+
+ if(!test_one(&blend, *type))
+ success = FALSE;
+
+ }
}
}
}
const struct value_name_pair *alpha_src_factor;
const struct value_name_pair *alpha_dst_factor;
struct pipe_blend_state blend;
+ const union lp_type *type;
unsigned long i;
bool success = TRUE;
alpha_dst_factor = &blend_factors[random() % num_factors];
} while(alpha_dst_factor->value == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE);
- if(verbose >= 1)
- fprintf(stderr,
- "%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s ...\n",
- "rgb_func", rgb_func->name,
- "rgb_src_factor", rgb_src_factor->name,
- "rgb_dst_factor", rgb_dst_factor->name,
- "alpha_func", alpha_func->name,
- "alpha_src_factor", alpha_src_factor->name,
- "alpha_dst_factor", alpha_dst_factor->name);
-
- memset(&blend, 0, sizeof blend);
- blend.blend_enable = 1;
- blend.rgb_func = rgb_func->value;
- blend.rgb_src_factor = rgb_src_factor->value;
- blend.rgb_dst_factor = rgb_dst_factor->value;
- blend.alpha_func = alpha_func->value;
- blend.alpha_src_factor = alpha_src_factor->value;
- blend.alpha_dst_factor = alpha_dst_factor->value;
-
- if(!test_one(&blend))
- success = FALSE;
+ for(type = blend_types; type < &blend_types[num_types]; ++type) {
+
+ if(verbose >= 1)
+ fprintf(stderr,
+ "%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s ...\n",
+ "rgb_func", rgb_func->name,
+ "rgb_src_factor", rgb_src_factor->name,
+ "rgb_dst_factor", rgb_dst_factor->name,
+ "alpha_func", alpha_func->name,
+ "alpha_src_factor", alpha_src_factor->name,
+ "alpha_dst_factor", alpha_dst_factor->name);
+
+ memset(&blend, 0, sizeof blend);
+ blend.blend_enable = 1;
+ blend.rgb_func = rgb_func->value;
+ blend.rgb_src_factor = rgb_src_factor->value;
+ blend.rgb_dst_factor = rgb_dst_factor->value;
+ blend.alpha_func = alpha_func->value;
+ blend.alpha_src_factor = alpha_src_factor->value;
+ blend.alpha_dst_factor = alpha_dst_factor->value;
+
+ if(!test_one(&blend, *type))
+ success = FALSE;
+ }
}
return success;
projects / mesa.git / commitdiff