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mesa: clamp texture border color if ARB_texture_float is unsupported

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ARB_texture_float disables clamping of the texture border color,
ARB_color_buffer_float only modifies clamping of the glGet query.
This commit is contained in:
Marek Olšák 2011-03-26 13:06:22 +01:00
parent b518f4d0ea
commit e28fe8fe5d
1 changed files with 12 additions and 4 deletions
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16
src/mesa/main/texparam.c
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@ -534,10 +534,18 @@ set_tex_parameterf(struct gl_context *ctx,
case GL_TEXTURE_BORDER_COLOR:
flush(ctx);
texObj->BorderColor.f[RCOMP] = params[0];
texObj->BorderColor.f[GCOMP] = params[1];
texObj->BorderColor.f[BCOMP] = params[2];
texObj->BorderColor.f[ACOMP] = params[3];
/* ARB_texture_float disables clamping */
if (ctx->Extensions.ARB_texture_float) {
texObj->BorderColor.f[RCOMP] = params[0];
texObj->BorderColor.f[GCOMP] = params[1];
texObj->BorderColor.f[BCOMP] = params[2];
texObj->BorderColor.f[ACOMP] = params[3];
} else {
texObj->BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F);
texObj->BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F);
texObj->BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F);
texObj->BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F);
}
return GL_TRUE;
default: