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wined3d: Don't reserve clipping constants needlessly.

This commit is contained in:
Stefan Dösinger 2009-10-06 20:59:44 +02:00 committed by Alexandre Julliard
parent ed2860f789
commit 8a68f418db
1 changed files with 9 additions and 2 deletions
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11
dlls/wined3d/arb_program_shader.c
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@ -648,8 +648,15 @@ static DWORD shader_generate_arb_declarations(IWineD3DBaseShader *iface, const s
if(reg_maps->constf[idx] & (1 << shift)) highest_constf = i;
}
clip_limit = GL_LIMITS(clipplanes);
if(ctx->target_version == ARB) clip_limit = min(clip_limit, 4);
if(use_nv_clip(gl_info) && ctx->target_version >= NV2)
{
clip_limit = GL_LIMITS(clipplanes);
}
else
{
unsigned int mask = ctx->cur_vs_args->boolclip.clipplane_mask;
clip_limit = min(count_bits(mask), 4);
}
*num_clipplanes = min(clip_limit, max_constantsF - highest_constf - 1);
max_constantsF -= *num_clipplanes;
if(*num_clipplanes < clip_limit)