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wined3d: Use NRM from GL_NV_fragment_program2 if available.

This commit is contained in:
Stefan Dösinger 2009-05-28 17:36:52 +02:00 committed by Alexandre Julliard
parent d8e219be75
commit 7168b62323
1 changed files with 19 additions and 6 deletions
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15
dlls/wined3d/arb_program_shader.c
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@ -1792,15 +1792,25 @@ static void shader_hw_nrm(const struct wined3d_shader_instruction *ins)
SHADER_BUFFER *buffer = ins->ctx->buffer;
char dst_name[50];
char src_name[50];
struct shader_arb_ctx_priv *priv = ins->ctx->backend_data;
BOOL pshader = shader_is_pshader_version(ins->ctx->reg_maps->shader_version.type);
shader_arb_get_dst_param(ins, &ins->dst[0], dst_name);
shader_arb_get_src_param(ins, &ins->src[0], 1 /* Use TB */, src_name);
if(pshader && priv->target_version >= NV3)
{
shader_addline(buffer, "NRM%s %s, %s;\n", shader_arb_get_modifier(ins), dst_name, src_name);
}
else
{
shader_addline(buffer, "DP3 TA, %s, %s;\n", src_name, src_name);
shader_addline(buffer, "RSQ TA, TA.x;\n");
/* dst.w = src[0].w * 1 / (src.x^2 + src.y^2 + src.z^2)^(1/2) according to msdn*/
shader_addline(buffer, "MUL%s %s, %s, TA;\n", shader_arb_get_modifier(ins), dst_name,
src_name);
}
}
static void shader_hw_sincos(const struct wined3d_shader_instruction *ins)
{
@ -2043,7 +2053,10 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShaderImpl *This,
list_init(&priv_ctx.if_frames);
shader_addline(buffer, "!!ARBfp1.0\n");
if(GL_SUPPORT(NV_FRAGMENT_PROGRAM_OPTION)) {
if(GL_SUPPORT(NV_FRAGMENT_PROGRAM2)) {
shader_addline(buffer, "OPTION NV_fragment_program2;\n");
priv_ctx.target_version = NV3;
} else if(GL_SUPPORT(NV_FRAGMENT_PROGRAM_OPTION)) {
shader_addline(buffer, "OPTION NV_fragment_program;\n");
priv_ctx.target_version = NV2;
} else {