From 7db7ff878d3e5a6b345228e6eaee4797bb68b360 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 14 Apr 2009 22:14:30 -0600 Subject: mesa: merge the prog_src_register::NegateBase and NegateAbs fields There's really no need for two negation fields. This came from the GL_NV_fragment_program extension. The new, unified Negate bitfield applies after the absolute value step. --- src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c') diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c b/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c index a86d2bd471..191853ac1f 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog_swizzle.c @@ -92,7 +92,7 @@ static const struct swizzle_data* lookup_native_swizzle(GLuint swizzle) GLboolean r300FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg) { if (reg.Abs) - reg.NegateBase = 0; + reg.Negate = NEGATE_NONE; if (opcode == OPCODE_KIL || opcode == OPCODE_TEX || @@ -100,7 +100,8 @@ GLboolean r300FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg) opcode == OPCODE_TXP) { int j; - if (reg.Abs || reg.NegateBase != (15*reg.NegateAbs)) + if (reg.Abs || (reg.Negate != NEGATE_XYZW && + reg.Negate != NEGATE_NONE)) return GL_FALSE; for(j = 0; j < 4; ++j) { @@ -121,7 +122,7 @@ GLboolean r300FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg) if (GET_SWZ(reg.Swizzle, j) != SWIZZLE_NIL) relevant |= 1 << j; - if ((reg.NegateBase & relevant) && (reg.NegateBase & relevant) != relevant) + if ((reg.Negate & relevant) && (reg.Negate & relevant) != relevant) return GL_FALSE; if (!lookup_native_swizzle(reg.Swizzle)) @@ -137,7 +138,7 @@ GLboolean r300FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg) void r300FPBuildSwizzle(struct nqssadce_state *s, struct prog_dst_register dst, struct prog_src_register src) { if (src.Abs) - src.NegateBase = 0; + src.Negate = NEGATE_NONE; while(dst.WriteMask) { const struct swizzle_data *best_swizzle = 0; @@ -170,11 +171,11 @@ void r300FPBuildSwizzle(struct nqssadce_state *s, struct prog_dst_register dst, } } - if ((src.NegateBase & best_matchmask) != 0) { - best_matchmask &= src.NegateBase; - rgbnegate = !src.NegateAbs; + if ((src.Negate & best_matchmask) != 0) { + best_matchmask &= src.Negate; + rgbnegate = !src.Negate; } else { - rgbnegate = src.NegateAbs; + rgbnegate = src.Negate; } struct prog_instruction *inst; -- cgit v1.2.3